🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.31 AU - 1.43 AU

Year: 586 Days

Day: 46.1 Hours

Environment

Temp: -13 °C

Axial Tilt: 32.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 103,952,494 km

• M1: 36,951 km (0.045 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.41 AU - 1.97 AU

Year: 802 Days

Day: 45.1 Hours

Environment

Temp: -58 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 103,952,494 km

• M1: 126,111 km (0.063 R)
• M2: 477,367 km (0.095 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.7 AU - 3.2 AU

Year: 1851 Days

Day: 34.9 Hours

Environment

Temp: -91 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 103,952,494 km

• M1: 592,258 km (0.045 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.84 AU - 4.44 AU

Year: 2537 Days

Day: 34 Hours

Environment

Temp: -117 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 19.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.1

Radius: 4.1

Gravity: 42.54 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 17.89 AU - 20.95 AU

Year: 31258 Days

Day: 16.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 103,952,494 km

• M1: 72,256 km (0.117 R)
• M2: 284,535 km (0.119 R)
• M3: 509,231 km (0.065 R)
• M4: 2,006,556 km (0.119 R)
• M5: 2,405,983 km (0.058 R)
• M6: 3,116,423 km (0.076 R)
• M7: 3,298,483 km (0.108 R)
• M8: 3,751,017 km (0.032 R)
• M9: 4,660,273 km (0.119 R)
• M10: 4,818,248 km (0.049 R)
• M11: 6,309,589 km (0.1 R)
• M12: 7,531,056 km (0.079 R)
• M13: 9,022,996 km (0.08 R)
• M14: 11,327,551 km (0.095 R)
• M15: 11,758,393 km (0.118 R)
• M16: 12,349,903 km (0.105 R)
• M17: 13,833,614 km (0.026 R)
• M18: 14,325,791 km (0.097 R)
• M19: 16,140,563 km (0.111 R)
• M20: 16,870,451 km (0.092 R)
• M21: 17,813,366 km (0.051 R)
• M22: 19,191,761 km (0.096 R)
• M23: 28,322,318 km (0.11 R)
• M24: 30,468,598 km (0.045 R)
• M25: 30,744,307 km (0.102 R)
• M26: 33,740,304 km (0.108 R)
• M27: 34,183,562 km (0.107 R)
• M28: 34,332,113 km (0.082 R)
• M29: 39,156,046 km (0.116 R)
• M30: 39,318,808 km (0.092 R)
• M31: 44,236,090 km (0.057 R)
• M32: 44,589,590 km (0.117 R)
• M33: 48,603,002 km (0.103 R)
• M34: 57,129,632 km (0.1 R)
• M35: 68,706,712 km (0.086 R)
• M36: 74,290,452 km (0.085 R)
• M37: 84,980,118 km (0.093 R)
• M38: 92,552,163 km (0.119 R)
• M39: 94,001,916 km (0.116 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 11,704 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit