Proxima Centauri

✹ • ◦ ) ⦾....... ◦ )

Proxima Centauri is a red dwarf star with a contingent of four planets and an outer cometary disk. It is the closest star system to Sol, and while technically a gravitational subsystem of the Alpha Centauri binary, it is so distant that it is typically listed as a separate system. Proxima is the home system of the Calypsians: a low-temperature sophont species native to Calypso, the sixth moon of Atlas.

Astrography

Location

Proxima Centauri lies in a very wide orbit around the Alpha Centauri binary system in a 550000-year cycle. It is currently just over 4 lightyears from Sol, placing it very close to the approximate center of known space.

Structure

Proxima Centauri is, as a component of the Alpha Centauri system, a solitary red dwarf star orbited by four planets and an outer debris disk. The two innermost planets are separate from the outer system by a large gap, filled by a scattered asteroid belt called the Proxima Belt.
SYSTEM OUTLINE

Proxima Centauri

1. Prometheus* (d)
2. Menoetes* (o)
{Proxima Belt}
3. Atlas (n)
• Donakis* (s)
• Mermesa* (e)
• Aiopis* (e)
• Nelisa* (c)
• Tara* (c)
• Calypso^Δ (q)
• Antheia* (c)
4. Epimetheus* (c)
{Proxima Disk}

Ecology

The Proxima Centauri system is the origin point of Calypsigenid lifeforms, from the Atlantid moon Calypso. Calypsigenids are a unique group of organisms that utilize liquid ammonia as a solvent, and rely primarily on a hydrogen/methane metabolic cycle rather than the oxygenic cycle.

Archive Data

Related Historical Events

• Dec. 15 2023 - Oct. 30 2046 CE[p][small]Data return: 2049 - 2050 CE[/small][/p]
  Breakthrough Proxima Mission

DESIGNATIONS

UNAC Local Star Catalogue designation

USC 002.1

Native name

[untranscriptable]

Sun name

"Proxen"

Other designations

• GJ 551
• HIP 70890
• OH^SE 27
• EZN 78
• KAZ 149

SYSTEM CHARACTERISTICS

Location

Local Interstellar Cloud, Local Bubble, Orion–Cygnus Arm, Milky Way, Virgo Supercluster

Proximal system

Alpha Centauri (0.21 ly)

System diameter (farthest orbit)

2.3e+9 km (Proxima Disk)

System diameter (helioshock)

1.6e+14 km

System mass

0.215 M_Sol

Major planets

4

Biotic planetoids

1

Inhabited planetoids

15

STELLAR CHARACTERISTICS

Central star

Proxima Centauri

Stellar type

M5.5Ve

Mass

0.122 M_Sol

Temperature

3042 K

Luminosity

0.0017 L_Sol

Age

4.85 Gyr

HABITATION INFORMATION

Total population

3.46 billion

Species demographics

• 98% Calypsian (native)
• 1% human
• <1% Other

Demonym

Proxentauri

Administrated by::Allied Tribes of Calypso----ERPA Restriction Level

II

Reality Check

The real Proxima Centauri system has two confirmed planets and one disputed planet candidate.