Aurora-class battleship

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Aurora-class battleship
Orion Planet
The Orion, an Aurora-class battleship
Production information


Technical specifications

3,000[1]-3,500m[2] Note


500[1]-1,000m[2] Note

Maximum speed

296,794 km/s (upgraded)

Engine unit(s)
Hyperdrive system

Interstellar (standard),
Intergalactic (upgraded)

Power plant

ZPM-powered generators[2]


Lantean shielding system

Sensor systems

Lantean sensor array

Targeting systems


Control systems
Navigation system

Lantean star map




Puddle Jumpers (amount unknown)

Minimum crew




Other systems


"Believing their ships were unbeatable, they sent them deeper and deeper into Wraith-controlled territory, trying to weed us out."

The Aurora-class battleship was a series of Lantean battleships used during their war with the Wraith. The Atlantis expedition first encountered this class of ships in the form of the Aurora, and only four have been encountered since the fall of the Lanteans, excluding those built by the Asurans.


Aurora derlict ship

Aurora as a derelict.

Built by the Lanteans during their war with the Wraith, the Aurora-class is considered to be among the most advanced class of warships ever created, with only the Asgard-modified Daedalus-class seen to rival the power of at least older variants. It is unknown how an Ori warship or the Asgard O'Neill-class ship would fare against one of these vessels, but at peak capacity just one of them is more than a match for an entire fleet of Wraith Hive ships or Goa'uld Ha'tak's.


There are at least 3 variations of the Aurora-class design:

  • The Aurora variant is the largest seen, but little is known about it's defensive capabilities.
  • The Orion variant was much smaller than the Aurora. It did not have a Control chair on the bridge.
  • The Traveler's Aurora-class was almost identical to the Orion in exterior appearance, but the bridge was larger and had a Control chair in the center.

It is unknown if these variants are actually the same class of ship - it is possible that the Orion and the ship used by the Travelers were not built as Aurora-class battleships by the Ancients and therefore may possess very different offensive and defensive abilities. If they were the same class, however, then it is likely that the variations came as upgrades to the original design, but it is unknown in which order the three seen variants were constructed.

The Asurans use older variations of the Aurora-class battleships. They are most similar in appearance to the Orion, but do not appear to be as powerful as they rely on outdated technology. Their Drone weapons do not appear to be able to destroy Hive ships with the same ease as the Orion's, and their shields cannot withstand as much fire. They proved inefficient against Daedalus-class ships upgraded with Asgard technology. (SGA: "Aurora", "Inferno", "Progeny", "Travelers", "Be All My Sins Remember'd")


Command and control systems

These spaceships contained a subspace communications array allowing them to send out distress signals or communicate at faster-than-light speeds with other vessels at interstellar distances. They can also project stable holograms onto other ships capable of also projecting sound, however sound cannot be transmitted back to the projecting ship. This may just be because of the massive difference in speed and the distance it was being transmitted and that when they are closer and travelling at a similar speed it may be possible. (SGA: "Travelers", "The Return, Part 1")

Offensive and defensive systems


Drone weapons being fired.

The Aurora-class is one of the most powerfull ships ever seen, comparable to even Ori Motherships.

The Aurora-class boasts an arsenal of Drone weapons that are capable of destroying a Hive ship in mere seconds and destroy an Asuran Aurora-class with only two drones. The drones have shown the ability to bypass shielding systems used by the Asurans and Goa'uld with great ease. They are very accurate and can hit multiple targets at a time, even after their host ship is destroyed. (SGA: "No Man's Land")

Orion Turrets

The Orion's pulse turrets

For secondary weaponry, the ship features at least 16 pulse weapon turrets placed around the ship, allowing for complete coverage of the vessel. While these weapons are much weaker than drones, they are still capable of destroying a shielded Traveler generational ship and heavily damaging a Wraith Hive ship with several shots. The pulse weapons are however much less effective against the advanced Asgard shields of the Daedalus-class vessels. (SGA: "Be All My Sins Remember'd")


The Orion's shields

The shields of the Aurora-class have been shown to mimic the contour of the hull. These shielding systems allow Aurora-class battleships to withstand intense weapons fire even when little power is being fed into them, and they have also been shown to protect Aurora-class battleships from the intense heat and pressure of an erupting supervolcano for slightly more than four seconds (even though the ship in question had barely enough power to bring the hyperdrive online for a short jump into the outer orbit of the planet).

However, the ship's hull appears much less durable, sustaining heavy damage even from Railguns or F-302 fighter-interceptor missiles and easily being penetrated by Asgard plasma beam weapons. Wraith energy weapons fired from a Wraith cruiser can destroy the bridge in one correctly aimed shot, but only the after shields were completely depleted.

The Asuran Aurora-class ships seem to be less powerfull, their drones are incapable of penetrating even the travelers shields, while their shields can be depleted by a barrage of Darts and F-302 weapons fire, or 3 to 5 shots with the Asgard plasma beam weapons. Their Hyperspace capacity is more limited, however, it seems to be comparable to the hyperspace capacity of the Orion. (SGA: "Travelers", "Be All My Sins Remember'd")

Energy and power systems

Although it is unknown what the primary energy source of the Aurora-class is, the Lantean's were known to occasionally install a Zero Point Module to give them an extra 'boost'. Even without them the ships are capable of remaining active for long durations of time. In the first ever encountered Aurora-class battleship by the Tau'ri, the Aurora, the power had remained active for 10,000 years maintaining the crew's Stasis pods without a ZPM. (SGA: "Aurora", "The Return, Part 1")

Hyperdrive and propulsion systems

MyancientshipOrion 2

The Orion opens a hyperspace window.

The Aurora-class possesses the fastest sublight engines known to exist. Although they typically operated at speeds similar to those of Asgard and Tau'ri ships, they could be modified to travel at .999 the speed of light if the need would ever arise. However, it is unknown if the ship requires a Zero Point Module to travel at this speed. (SGA: "The Return, Part 1")

While no known Aurora-class battleships were equipped with intergalactic hyperdrives, it was possible for the crew of the ship to modify the hyperdrive engines to allow travel to other galaxies. It is possible the original limit was intentional, to prevent the Wraith from reverse-engineering their own intergalactic drive. Either way, even without being modified the hyperdrives on the Aurora-class are far superior to every other form of interstellar hyperdrive, and it's possible that these hyperdrives are capable of achieveing speeds comparable to an Asgard hyperdrive, especially when considering that many of these ships were equipped with a Zero Point Module. (SGA: "Aurora", "Inferno", "No Man's Land")

Other systems


A grouping of stasis pods in a hallway of the Aurora.

To protect the crew in case of critical damage, the ship is equipped with several hundred Stasis pods, at least enough to contain the entire crew. While in stasis the mind of each person can be connected through the ships main computer in a virtual construct where interaction is possible; however, over a long period of time (10,000 years), the pods do not protect the inhabitants from aging, they only slow it down considerably and prolong the life cycle to the point where the pod is the only thing keeping them alive. It is known, however, that the stasis pods aboard an Aurora-class battleship were not as efficient at slowing down the aging process as those in Atlantis and Lantean outposts. (SGA: "Aurora")


Auxiliary Control Room

Aurora-class battleship auxilary control room

Sheppard in the Auxiliary Control Centre.

Much like Lantean City-ships, Aurora-class battleships contain a secondary control center where ship systems can be controlled If the bridge was ever destroyed or made uninhabitable. From this position, a crewman was capable of tracking the activities of individuals throughout the ship, scan life signs, and control access to corridors. Numerous control terminals were present in the room, which mimic the consoles on a City-ship in appearance.

Lt. Colonel John Sheppard journeyed to the auxiliary bridge of the Traveler's Aurora-class ship after the destruction of the main bridge by a Wraith cruiser's weapons fire. Through it, he was able to launch drones at the enemy ship and determine how many Wraith had boarded the vessel. It only has to be activated, then it can be used by anyone. (SGA: "Travelers")


Aurora bridge

Fully manned battle bridge of the Aurora.


The command chair on the bridge of the Aurora-class battleship.

The bridge of the Aurora-class controls most (if not all) basic systems required for the battleship to function. It is situated in the middle of the upper side of the ship with the front side being a large window. The bridge consists of panels and displays similar to those of the Atlantis control room, but some designs also feature a Control chair for navigation that allows a person with the Ancient Technology Activation gene to control most if not all functions of the ship. This chair differs from other Lantean control chairs, such as the ones found on Earth and Atlantis, and is likely less advanced as it only receives input from the user's hand, much like those on Puddle Jumpers. (SGA: "No Man's Land", "Travelers")



Sheppard in a holding cell on the Aurora

These vessels contain brigs which are used to detain prisoners and appeared as metal bars which could hold enemies. On the Aurora, the brig is an empty room divided into two sections by bars with forcefields between them. On another Aurora-classbattleship, the brig was smaller and used more physical wall and less forcefield. Both brigs are similar in design to the cells on the City-ships. It is also possible that all variations of the Aurora-class have both types of brig, used for storing different types, or different numbers, of prisoners.(SGA: "Aurora", "Travelers")

Weapons control platform


The chair room of an Aurora-class battleship.

Many of the qualities of an Aurora-class battleship are similar to that of a Lantean City-ship. This includes the chair room, where a Lantean Control chair, also known as a weapon's control platform, is present in the middle which allows the use of the ship's complement of Drone weapons. Presumably, the ship's other weapons are also controlled here. It is located at the rear of the vessel and contained a visual screen on the wall which contained a display of certain systems. It was possible for a person to be sealed in the room as was the case with Larrin who was locked in the room by Lt. Colonel John Sheppard. (SGA: "Travelers")

Other locations

  • Captain's quarters.
  • Drone storage.
  • Hangar Bays: For use of Puddle Jumpers, vessel's of this class contain at least three bays, although more may exist.


It is known that the Lanteans once controlled an entire fleet of Aurora-class battleships, which were used in their war against the Wraith, with many ships equipped with Zero Point Modules. In the end, however, the Lanteans lost the war with most of their ships being destroyed. It is not known if the Aurora-class' were the most powerful vessels in the Lantean fleet other than the City-ship; however it has been implied that the Lantean fleet was more diverse. (SGA: "Spoils of War")


Corridor of an Aurora-class battleship.

10,000 years later, the Atlantis expedition became aware of these ships when they detected the Aurora via Atlantis' Long range sensors. After traveling to the location of the ship with the Daedalus they found the Aurora as a badly damaged vessel floating in space and the crew in stasis, infiltrated by a Wraith. To prevent the ship from falling in the hands of the Wraith, the Captain of the Aurora gave Lt. Colonel John Sheppard his code so that he could activate the self-destruct which destroyed the vessel. Later all such ships were designated as Aurora-class battleships in the crew's honor. (SGA: "Aurora")

Sometime later, the Atlantis expedition made contact with the Taranians, who not only discovered a Lantean outpost on their planet but also a hangar with a damaged but repairable Aurora-class ship, named after the Lantean General Hippaforalkus. Since the planet was threatened by a supervolcano, the population was evacuated on the ship, (newly named Orion) which then was repaired enough by Dr. Rodney McKay to escape the catastrophe. Grateful, the Taranians "loaned" the Atlantis expedition the ship, which was then repaired to help fight against the Wraith, which were again on their way to Atlantis. (SGA: "Inferno")

After the Wraith gained access to intergalactic hyperspace technology, the Orion and Daedalus followed and engaged them in a battle at the edge of the Pegasus galaxy. Although the Orion had shields they could not fire Drone weapons until they sacrificed their shields to fire them, taking out one Hive ship in the process. The other Hive ship however quickly responded and destroyed the shieldless Orion. (SGA: "No Man's Land")


The Tria blows past the Daedalus at 99.9% light speed

About half a year later the Daedalus, while conducting a test with the new Midway space station, discovered another such ship, traveling at .999% the speed of light. It turned out to be the Lantean warship Tria, which was damaged by the Wraith. The crew of the ship was then evacuated by the Daedalus and brought back to Atlantis. Since the hyperspace engines of the Tria were irreparable, the ship was presumably abandoned in the intergalactic void. (SGA: "The Return, Part 1")

The last currently known Aurora-class ship was found by a space traveling human race known as the Travelers. They abducted Sheppard so that he would "help" them activate the ship. After preventing the Wraith from getting the ship, it was repaired by the Travelers. This currently unnamed ship participated in the Battle of Asuras to defeat the Asurans once and for all. According to Katana Labrea, this Aurora-class ship was destroyed along with a Traveler generational ship, and a colony of 3,000 people when a Stargate exploded; an unfortunate side-effect of the Attero device. (SGA: "Travelers", "Be All My Sins Remember'd", "The Lost Tribe")

The Asurans, who were able to duplicate much of Lantean technology, built their own fleet of nearly forty Aurora-class ships, but using older Ancient technology. One was sent to destroy the Asuran copy of Atlantis and the Organic Asuran copy of the First Atlantis Reconnaissance Team and Doctor Elizabeth Weir hitched a ride on it to Asuras. Using a core drive gotten from Niam's faction, the Daedalus and the Apollo were able to launch first strikes against these ships before they could destroy more human worlds. With the two BC-304s upgraded with Asgard plasma beam weapons, these ships were destroyed easily and the rest retreated to Asuras. There they came under attack by a fleet of Tau'ri, Wraith and Traveler ships during an effort to destroy the Asurans once and for all. The Asuran Aurora-class ships were no match for the fleet despite outnumbering it and were easily held off though they did destroy one Hive ship and one Traveler generational ship in the battle before the Asurans were pulled from their ships and into one huge blob of nanites. The ships that survived the battle were destroyed when Asuras exploded. One ship remained under the control of Niam's faction until they asceneded to subspace. The fate of the last remaining Asuran-built Aurora-class battleship remains unknown. (SGA: "This Mortal Coil", "Be All My Sins Remember'd", "Ghost in the Machine")

Known ships

During the course of the Atlantis expedition's tenure in the Pegasus galaxy, several Aurora-class battleships have been encountered or referenced, the vast majority of which have remained unnamed, such as the Traveler's Aurora-class battleship. Known ships include the Aurora, Orion (originally named Hippaforalkus), and Tria.


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Stargate Wiki has a collection of images related to Aurora-class battleship.
  • The size of the ship is, as with many other vessels in the Stargate universe, hard to determine. The first appearance was the Aurora, which was a derelict floating in space with little reference for size. The Orion, seen next, originally appeared about 350 meters long, which was supported by an official graphic of the ship. The graphic, however, was completely inaccurate (placing the bridge in the nose rather than on the midsection, for example). Later on in the series, the vessel's size stabilized and screen measurements usually come up with the now-accepted value of around 3 kilometers in length. It would likely be logical to assume that the Orion was meant to be the same size as the other vessels, since they shared the same basic design.
  • Of consideration is how a 3 km ship would compare to the rest of the ships fielded by other races. If we use this own site's ship listing as canon, it makes the Aurora-class ship 3 times larger than an Ori warship, approximately 15 times larger than a Daedalus-class ship, consequently 30 times larger than a Traveler vessel, listed as approximately half the size of a Daedalus-class. Each Aurora would also be larger than individual Hive ships, as a Hive ship is considered 13x larger than a Daedalus.
  • The set for the bridge and the auxiliary control room is also used for the Auxiliary control center of Atlantis.
  • The MGM Tech Journal describes the bridge as being in a structure at the very front of the ship. However in Allies, the bridge of the Orion is unmistakably shown as being in the domed structure atop the middle of the ship. As such, Stargate wiki describes the bridge as being at that location.
  • The Lantean name for this class of ship has never been revealed. However, Replicator Keller called them Aurora-class as well though she may have been using this name as it was the one the Organic Asuran copies of the team knew.
  • "Aurora" is the Latin for "dawn".

External links


  1. 1.0 1.1 1.2 Stargate Atlantis: The DVD Collection 76
  2. 2.0 2.1 2.2 2.3 Stargate Atlantis: The DVD Collection 73
Ancient fleet
Capital ships Alteran ship · Aurora-class · City-ship · Destiny
Other ships Cruiser · Puddle Jumper · Science vessel · Seed ship · Shuttle · Transport ship

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