🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.5

Radius: 9.5

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1 AU - 1.42 AU

Year: 873 Days

Day: 11.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 84.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,305,274 km

• M1: 118,930 km (0.103 R)
• M2: 417,228 km (0.105 R)
• M3: 867,817 km (0.053 R)
• M4: 1,242,560 km (0.114 R)
• M5: 1,631,514 km (0.068 R)
• M6: 2,002,218 km (0.038 R)
• M7: 2,824,557 km (0.035 R)
• M8: 3,505,377 km (0.07 R)
• M9: 4,114,091 km (0.099 R)
• M10: 4,537,004 km (0.097 R)
• M11: 4,938,974 km (0.037 R)
• M12: 5,364,580 km (0.091 R)
• M13: 5,704,316 km (0.107 R)
• M14: 6,077,413 km (0.09 R)
• M15: 6,831,536 km (0.036 R)
• M16: 7,252,654 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.1

Radius: 9.2

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.32 AU - 1.52 AU

Year: 1110 Days

Day: 14.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,305,274 km

• M1: 141,071 km (0.092 R)
• M2: 536,308 km (0.092 R)
• M3: 1,793,828 km (0.041 R)
• M4: 2,124,439 km (0.111 R)
• M5: 2,692,612 km (0.094 R)
• M6: 4,639,778 km (0.087 R)
• M7: 4,940,021 km (0.087 R)
• M8: 5,333,613 km (0.09 R)
• M9: 5,646,721 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.8

Radius: 10.7

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.22 AU - 1.94 AU

Year: 1303 Days

Day: 7.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,305,274 km

• M1: 133,441 km (0.104 R)
• M2: 552,315 km (0.107 R)
• M3: 904,469 km (0.093 R)
• M4: 1,635,105 km (0.093 R)
• M5: 2,832,187 km (0.11 R)
• M6: 3,345,158 km (0.064 R)
• M7: 3,765,827 km (0.074 R)
• M8: 4,239,903 km (0.111 R)
• M9: 5,077,053 km (0.092 R)
• M10: 5,791,532 km (0.112 R)
• M11: 6,208,910 km (0.079 R)
• M12: 6,621,351 km (0.111 R)
• M13: 7,692,023 km (0.098 R)
• M14: 8,694,179 km (0.065 R)
• M15: 9,211,339 km (0.105 R)
• M16: 9,911,009 km (0.085 R)
• M17: 10,408,122 km (0.12 R)
• M18: 11,778,738 km (0.071 R)
• M19: 13,226,546 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827

Radius: 12.1

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.63 AU - 4.01 AU

Year: 3968 Days

Day: 11.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,305,274 km

• M1: 151,991 km (0.062 R)
• M2: 599,738 km (0.05 R)
• M3: 1,007,242 km (0.05 R)
• M4: 1,852,770 km (0.095 R)
• M5: 2,681,841 km (0.099 R)
• M6: 3,395,273 km (0.105 R)
• M7: 5,042,196 km (0.039 R)
• M8: 5,694,892 km (0.095 R)
• M9: 6,433,905 km (0.11 R)
• M10: 7,202,389 km (0.086 R)
• M11: 7,609,146 km (0.115 R)
• M12: 7,995,557 km (0.091 R)
• M13: 8,884,169 km (0.101 R)
• M14: 10,946,226 km (0.081 R)
• M15: 12,326,715 km (0.101 R)
• M16: 16,630,795 km (0.056 R)
• M17: 17,283,640 km (0.115 R)
• M18: 18,958,538 km (0.083 R)
• M19: 20,468,579 km (0.074 R)
• M20: 21,080,883 km (0.094 R)
• M21: 24,783,730 km (0.097 R)
• M22: 25,635,690 km (0.079 R)
• M23: 27,480,231 km (0.053 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.3

Radius: 7.6

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.29 AU - 7.87 AU

Year: 12358 Days

Day: 15.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,305,274 km

• M1: 95,593 km (0.103 R)
• M2: 427,401 km (0.064 R)
• M3: 692,638 km (0.06 R)
• M4: 1,732,792 km (0.073 R)
• M5: 2,660,897 km (0.091 R)
• M6: 5,800,957 km (0.09 R)
• M7: 6,618,210 km (0.04 R)
• M8: 7,984,936 km (0.118 R)
• M9: 9,530,282 km (0.105 R)
• M10: 10,518,675 km (0.092 R)
• M11: 12,697,568 km (0.074 R)
• M12: 18,417,293 km (0.098 R)
• M13: 29,642,668 km (0.064 R)
• M14: 29,935,731 km (0.118 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 16,034 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit