Synopsis of “The Federation Galactographic Reference” , 7th edition
23 May, 2320
The United Earth Federation, or UEF, is composed galactographically of a roughly spherical volume of space centered on Sol, with a nominal radius of
500 light years, or 153 parsecs. This volume contains 523,598,776 cubic light years (15,090,143 cubic parsecs). Sol itself is located just inside the
inner edge of the Orion Spur (also known as the Local Arm) of the Perseus Arm of the Milky Way Galaxy, and is roughly 50 light years (15.3 parsecs)
“above” the galactic plane, towards Galactic North. Currently, the closest neighboring star to Sol is Proxima Centauri, the smallest and outermost
star in the Alpha Centauri triple system, at 4.25 Light years distance.
The UEF contains 2,094,395 stars, with an average of 0.004 stars per cubic light year. The numeric density of stars thins drastically toward the
galactic center, as one encounters the relative void between the spiral arms of the Milky Way Galaxy, and thickens appreciably toward the Galactic Rim
in the general direction of Orion. Star spatial density decreases towards both the north and south Galactic poles as one gets farther from Sol, more
rapidly towards the north.
In this region of space, Main Sequence stars comprise about 91% of all stars present, followed by White Dwarves at 8% and Giant and Supergiant stars
combining to comprise 1%. Main Sequence stars are further subdivided as follows, from dimmest to brightest: Cool, red class M dwarves comprise about
73% of the total, followed by orange class K stars at 14%, yellow class G stars like Sol comprise 9%, green class F at slightly less than 3%, blue
class A at 1%, with classes B and O, at the hottest, accounting for far less than 1% combined.

Although the huge volume of space claimed by the UEF has not been contested by any of the neighboring political units, it is far from fully explored.
In much the same way that parts of the Americas were still unexplored 300 years after colonization of the Americas, Ships of the UEF are still
exploring the vast expanse of the Federation, and surprising discoveries are still made. In the 70 years since the Formation of the Federation, there
simply has not been enough time or personnel resources to explore more than a fraction of the more than 2 million stars it contains. Nearly all of the
stars it contains have been noted and cataloged, but for the majority little to nothing is known as yet of the internal arrangements the systems
contain. Nearly 60% of the cataloged stars are estimated to possess planetary systems of one sort or another, and an estimated 10% of those contain
planets that are habitable, or can be made habitable with modification to one degree or another, yielding an estimated 125,663 habitable or near
habitable planets in the UEF. There are far fewer ‘optimally’ habitable planets, perhaps in the neighborhood of 15,000 total. Despite this seeming
limitation, nearly any rock in space can be inhabited given a sufficiently healthy supply line.

Politically, the UEF has Two major neighbors, known in the Federation as the Orion Alliance, formerly known as the Orion Empire, and the Ophiuchi
Consortium. Very little of their internal arrangements, affairs, and customs is known, although citizens of both of these entities have been
encountered from time to time on the frontiers of Federation space.
The Orion Alliance is located in a densely-starred, resource rich region of the galaxy encompassing the stars and nebulae of the Orion constellation,
slightly below the galactic plane, hence the name. Likewise, the Ophiuchi Consortium is located in the direction of the consellation Ophiuchi, as seen
from Earth. The Consortium, although possessing far more volume than the UEF, is located in a more thinly starred region of the galaxy due to it’s
greater distance above the galactic plane. Because of this, it is believed that the Ophiuchi Consortium has access to fewer resources than the UEF,
and far fewer than the Orion Alliance.
Additionally, there are several smaller self-contained political entities bordering Federation space, but again, little is known of them. There are
likely to be some of these smaller political units that are yet to be discovered.
Contained wholly within the bounds of UEF space are two Quarantine Zones, one for the Reticulans, and another for the Draconians. Attacks on trade
routes around 2240 and the following years by these two hostile races were the stimulus that prompted the formation of the UEF. They have since been
defeated and contained within their respective quarantine zones. There have been a few minor incidents when these races have probed the bounds of
their Quarantine Zones, but as of 2320, the quarantines have held.
[edit on 2009/5/20 by nenothtu]