🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.09 AU - 1.29 AU

Year: 494 Days

Day: 23.5 Hours

Environment

Temp: -17 °C

Axial Tilt: 36.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.07 AU - 2.81 AU

Year: 1451 Days

Day: 46.8 Hours

Environment

Temp: -93 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.99 AU - 4.03 AU

Year: 3058 Days

Day: 27.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 14.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,487,609 km

• M1: 21,991 km (0.044 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 864.2

Radius: 4.7

Gravity: 39.12 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 14.69 AU - 16.39 AU

Year: 23328 Days

Day: 22.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 38,487,609 km

• M1: 58,642 km (0.099 R)
• M2: 272,567 km (0.111 R)
• M3: 431,291 km (0.093 R)
• M4: 1,137,542 km (0.105 R)
• M5: 1,348,774 km (0.099 R)
• M6: 1,532,780 km (0.063 R)
• M7: 2,233,197 km (0.07 R)
• M8: 3,069,748 km (0.084 R)
• M9: 5,500,714 km (0.115 R)
• M10: 7,196,406 km (0.098 R)
• M11: 8,189,885 km (0.102 R)
• M12: 8,577,942 km (0.117 R)
• M13: 8,862,477 km (0.118 R)
• M14: 10,380,895 km (0.099 R)
• M15: 13,844,086 km (0.116 R)
• M16: 14,235,733 km (0.06 R)
• M17: 14,959,189 km (0.1 R)
• M18: 15,205,726 km (0.1 R)
• M19: 17,821,894 km (0.106 R)
• M20: 28,938,511 km (0.043 R)
• M21: 29,321,332 km (0.104 R)
• M22: 35,040,758 km (0.03 R)
• M23: 35,330,230 km (0.077 R)
• M24: 38,313,660 km (0.104 R)
• M25: 42,437,326 km (0.113 R)
• M26: 44,267,656 km (0.036 R)
• M27: 56,962,531 km (0.116 R)
• M28: 58,371,593 km (0.108 R)
• M29: 58,574,747 km (0.11 R)
• M30: 59,392,150 km (0.112 R)
• M31: 60,217,182 km (0.117 R)
• M32: 61,469,017 km (0.095 R)
• M33: 67,094,346 km (0.047 R)
• M34: 70,721,346 km (0.056 R)
• M35: 75,918,526 km (0.066 R)
• M36: 84,182,761 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 49.6

Radius: 6.2

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 14.45 AU - 19.59 AU

Year: 26738 Days

Day: 23.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,487,609 km

• M1: 77,641 km (0.05 R)
• M2: 366,365 km (0.108 R)
• M3: 3,393,927 km (0.089 R)
• M4: 4,596,095 km (0.105 R)
• M5: 6,822,560 km (0.088 R)
• M6: 9,364,976 km (0.042 R)
• M7: 10,480,228 km (0.029 R)
• M8: 15,453,460 km (0.067 R)
• M9: 21,100,780 km (0.112 R)
• M10: 33,009,369 km (0.073 R)
• M11: 34,916,891 km (0.094 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 10,731 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit