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Jupiter Station

Size Comp
Universe : Prime Timeline
Class Name : Jupiter Station
Type : Space station
Unit Run : 1 built in total.
Commissioned : 2360, class remains in service
Dimensions : Span : 784 m
Height : 705 m1
Decks : 40
Mass : 5,000,000 metric tons
Crew : 650
Armament : None
Defence Systems : Standard shield system, total capacity 999,000 TeraJoules
Light Duranium / Tritanium Double hull plus 7 cm armour.
Standard level Structural Integrity Field
Docking Facilities : 12 Standard docking ports
Jupiter Station : Not capable of independent movement; attitude control and/or orbital adjustment only.
Strength Indices :
(Galaxy class = 1,000)
Beam Firepower : -
Torpedo Firepower : -
Weapon Range and Accuracy : -
Shield Strength : 370
Hull Armour : 25
Speed : -
Combat Manoeuvrability : -
Overall Strength Index : 78
Diplomatic Capability : Grade 6
Expected Hull Life : 120
Refit Cycle : Minor : 1 year
Standard : 1 years
Major : 25 years


As part of the Ambassador class project, Starfleet had planned to build a set of operational spacecraft and then build six semi-complete vessels to keep as a reserve force, much as was done with the later Galaxy class.2 However, Starfleet decided to cancel this option in favour of increasing the reserve Galaxy force from two to six vessels instead. This decision came when the construction of the spare hulls had already been partially completed, so Starfleet was left with six Ambassador class primary hulls on its hands.

Various options were contemplated, most centring around turning the hulls into operational vessels. One idea was for a Centaur-style conversion, adding nacelles but not engineering hulls. However, Starfleet was not willing to expend even the reduced resources needed for this option. In the end it was decided to link the hulls together in order to create a space station; Starfleet had been planning to build a new station in Jupiter orbit, so this option would allow it to fulfil that need without having to design and produce new hardware.

The conversion went remarkably smoothly. Since the station was not considered a front line combat or defence station the weapons systems were removed, although the shields were retained. The hulls were stacked in groups of three, with each group linked together by bridging gangways. Various peripheral equipment was added to allow the station to fulfil its new roles. These included various scientific research projects, including a holographic research laboratory run by Dr. Lewis Zimmerman.3

Colour key

Canon source Backstage source Novel source DITL speculation


# Series Season Source Comment
1 Speculative Scaled to Ambassador class saucer sections.
2 Star Trek The Next Generation Technical Manual Page 14
3 VOY 6 Life Line
Source : Speculative
Comment : Scaled to Ambassador class saucer sections.
Book : Star Trek The Next Generation Technical Manual
Comment : Page 14
Series : VOY Season 6 (Disc 6)
Episode : Life Line


Seen in "Life Line", the Jupiter station is one of the more interesting structures we have met over the years. It's main body is composed of six modified Ambassador class Saucer sections joined together in two stacks of three. This allows us to guestimate the size of the station, and doing so gives a height of 705 metres.

The mass estimate is actually based on two other estimates - first my guess at the mass of an Ambassador class, then my guess at how much of that is in the saucer. It's hard to say how accurate this would make the final number, but 'not very' probably sums it up.

The back story of the station's origins is, of course, completely invented.

© Graham & Ian Kennedy Page views : 24,598 Last updated : 31 Dec 2004