🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.9

Radius: 10.2

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.57 AU - 0.79 AU

Year: 368 Days

Day: 6.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,595,044 km

• M1: 126,859 km (0.05 R)
• M2: 463,454 km (0.118 R)
• M3: 794,215 km (0.119 R)
• M4: 1,135,149 km (0.03 R)
• M5: 1,759,570 km (0.115 R)
• M6: 2,154,957 km (0.102 R)
• M7: 3,737,553 km (0.096 R)
• M8: 4,566,924 km (0.093 R)
• M9: 5,010,182 km (0.098 R)
• M10: 5,449,551 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.6

Radius: 10.2

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.95 AU - 1.03 AU

Year: 646 Days

Day: 10.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,595,044 km

• M1: 128,056 km (0.094 R)
• M2: 470,635 km (0.076 R)
• M3: 799,152 km (0.115 R)
• M4: 1,243,757 km (0.1 R)
• M5: 1,669,961 km (0.098 R)
• M6: 2,023,910 km (0.104 R)
• M7: 2,347,789 km (0.074 R)
• M8: 2,671,668 km (0.116 R)
• M9: 3,054,190 km (0.088 R)
• M10: 3,494,157 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.3

Radius: 14.8

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.16 AU - 4.64 AU

Year: 5052 Days

Day: 8.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,595,044 km

• M1: 184,005 km (0.096 R)
• M2: 963,410 km (0.114 R)
• M3: 1,650,813 km (0.104 R)
• M4: 2,303,957 km (0.069 R)
• M5: 3,210,969 km (0.103 R)
• M6: 6,474,446 km (0.094 R)
• M7: 7,013,298 km (0.114 R)
• M8: 8,311,957 km (0.074 R)
• M9: 9,620,190 km (0.081 R)
• M10: 11,382,752 km (0.095 R)
• M11: 13,307,329 km (0.118 R)
• M12: 13,855,306 km (0.102 R)
• M13: 16,667,297 km (0.104 R)
• M14: 17,629,211 km (0.094 R)
• M15: 18,291,032 km (0.074 R)
• M16: 19,488,863 km (0.103 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 585.3

Radius: 4.8

Gravity: 25.4 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 6.3 AU - 9.54 AU

Year: 14622 Days

Day: 19.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,595,044 km

• M1: 73,004 km (0.085 R)
• M2: 230,830 km (0.064 R)
• M3: 384,317 km (0.072 R)
• M4: 691,591 km (0.103 R)
• M5: 920,476 km (0.05 R)
• M6: 1,372,411 km (0.092 R)
• M7: 2,401,195 km (0.082 R)
• M8: 5,011,977 km (0.089 R)
• M9: 8,529,921 km (0.063 R)
• M10: 9,073,560 km (0.098 R)
• M11: 9,745,553 km (0.042 R)
• M12: 11,246,020 km (0.108 R)
• M13: 11,778,588 km (0.072 R)
• M14: 13,411,599 km (0.094 R)
• M15: 14,557,369 km (0.058 R)
• M16: 14,976,841 km (0.106 R)
• M17: 15,913,473 km (0.04 R)
• M18: 17,507,738 km (0.111 R)
• M19: 19,205,524 km (0.091 R)
• M20: 22,366,228 km (0.111 R)
• M21: 22,830,879 km (0.087 R)
• M22: 24,557,238 km (0.101 R)
• M23: 27,731,107 km (0.09 R)
• M24: 31,747,361 km (0.108 R)
• M25: 34,260,605 km (0.108 R)
• M26: 38,076,099 km (0.087 R)
• M27: 43,735,386 km (0.081 R)
• M28: 55,321,592 km (0.099 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 18,271 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit