🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.6

Radius: 14.1

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.52 AU - 0.64 AU

Year: 300 Days

Day: 6.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,165,940 km

• M1: 175,478 km (0.117 R)
• M2: 619,485 km (0.098 R)
• M3: 1,110,615 km (0.082 R)
• M4: 1,972,897 km (0.072 R)
• M5: 2,965,927 km (0.113 R)
• M6: 3,844,815 km (0.05 R)
• M7: 4,346,267 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731

Radius: 12.9

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.61 AU - 1.01 AU

Year: 494 Days

Day: 11.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,165,940 km

• M1: 160,519 km (0.09 R)
• M2: 686,654 km (0.034 R)
• M3: 1,108,071 km (0.094 R)
• M4: 1,551,031 km (0.12 R)
• M5: 1,986,211 km (0.077 R)
• M6: 2,445,327 km (0.042 R)
• M7: 3,157,263 km (0.103 R)
• M8: 3,828,359 km (0.113 R)
• M9: 4,518,005 km (0.088 R)
• M10: 5,124,924 km (0.066 R)
• M11: 5,576,410 km (0.083 R)
• M12: 6,146,079 km (0.085 R)
• M13: 6,579,314 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.4

Radius: 8.9

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.05 AU - 1.13 AU

Year: 772 Days

Day: 12.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,165,940 km

• M1: 110,702 km (0.057 R)
• M2: 452,534 km (0.119 R)
• M3: 860,786 km (0.069 R)
• M4: 1,179,579 km (0.084 R)
• M5: 1,601,595 km (0.118 R)
• M6: 1,952,252 km (0.119 R)
• M7: 2,536,432 km (0.099 R)
• M8: 3,091,440 km (0.11 R)
• M9: 3,418,461 km (0.092 R)
• M10: 3,739,797 km (0.075 R)
• M11: 4,251,721 km (0.073 R)
• M12: 4,691,090 km (0.069 R)
• M13: 5,397,192 km (0.107 R)
• M14: 5,814,869 km (0.119 R)
• M15: 6,672,364 km (0.079 R)
• M16: 7,967,583 km (0.034 R)
• M17: 8,409,345 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.6

Radius: 13.9

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.13 AU - 2.13 AU

Year: 2108 Days

Day: 14.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,165,940 km

• M1: 173,085 km (0.055 R)
• M2: 911,201 km (0.062 R)
• M3: 1,515,726 km (0.108 R)
• M4: 1,969,456 km (0.053 R)
• M5: 2,676,306 km (0.094 R)
• M6: 3,752,214 km (0.095 R)
• M7: 4,217,912 km (0.06 R)
• M8: 8,834,951 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.9

Radius: 8.3

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.83 AU - 3.87 AU

Year: 5124 Days

Day: 11.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,165,940 km

• M1: 103,372 km (0.087 R)
• M2: 466,147 km (0.094 R)
• M3: 773,122 km (0.092 R)
• M4: 1,599,201 km (0.084 R)
• M5: 2,037,373 km (0.098 R)
• M6: 2,767,112 km (0.028 R)
• M7: 3,727,381 km (0.051 R)
• M8: 5,595,110 km (0.073 R)
• M9: 6,027,897 km (0.12 R)
• M10: 7,407,488 km (0.07 R)
• M11: 8,505,686 km (0.047 R)
• M12: 12,717,315 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.8

Radius: 11

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.43 AU - 4.71 AU

Year: 5569 Days

Day: 10.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,165,940 km

• M1: 136,732 km (0.12 R)
• M2: 480,957 km (0.118 R)
• M3: 831,764 km (0.111 R)
• M4: 1,298,510 km (0.057 R)
• M5: 1,703,920 km (0.105 R)
• M6: 2,306,500 km (0.112 R)
• M7: 2,814,684 km (0.112 R)
• M8: 3,375,377 km (0.073 R)
• M9: 3,820,580 km (0.114 R)
• M10: 4,829,468 km (0.119 R)
• M11: 5,881,739 km (0.089 R)
• M12: 7,588,502 km (0.099 R)
• M13: 8,395,881 km (0.088 R)
• M14: 8,923,812 km (0.09 R)
• M15: 9,956,636 km (0.115 R)
• M16: 11,902,605 km (0.116 R)
• M17: 13,754,477 km (0.091 R)
• M18: 15,913,174 km (0.103 R)
• M19: 17,624,724 km (0.076 R)
• M20: 19,385,939 km (0.116 R)
• M21: 20,526,324 km (0.115 R)
• M22: 24,378,619 km (0.102 R)
• M23: 25,706,599 km (0.101 R)
• M24: 29,053,103 km (0.086 R)
• M25: 30,830,625 km (0.091 R)
• M26: 31,697,545 km (0.03 R)
• M27: 33,178,265 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92.1

Radius: 3.2

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 6.68 AU - 8.64 AU

Year: 14379 Days

Day: 22.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,165,940 km

• M1: 39,793 km (0.117 R)
• M2: 608,115 km (0.071 R)
• M3: 1,016,368 km (0.091 R)
• M4: 1,822,700 km (0.055 R)
• M5: 2,665,086 km (0.09 R)
• M6: 3,002,280 km (0.036 R)
• M7: 4,877,938 km (0.117 R)
• M8: 9,820,502 km (0.086 R)
• M9: 14,027,493 km (0.083 R)
• M10: 17,711,490 km (0.106 R)
• M11: 18,624,187 km (0.085 R)
• M12: 22,816,368 km (0.11 R)
• M13: 23,044,804 km (0.109 R)
• M14: 25,742,502 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.4

Radius: 7.4

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 9.23 AU - 10.89 AU

Year: 21642 Days

Day: 17.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,165,940 km

• M1: 92,451 km (0.084 R)
• M2: 411,394 km (0.085 R)
• M3: 1,667,268 km (0.107 R)
• M4: 3,808,612 km (0.107 R)
• M5: 5,817,412 km (0.116 R)
• M6: 8,901,522 km (0.06 R)
• M7: 11,111,531 km (0.103 R)
• M8: 11,438,852 km (0.074 R)
• M9: 13,112,403 km (0.065 R)
• M10: 21,112,149 km (0.117 R)
• M11: 24,705,939 km (0.079 R)
• M12: 25,170,291 km (0.11 R)
• M13: 28,484,033 km (0.119 R)
• M14: 29,407,501 km (0.101 R)
• M15: 37,282,931 km (0.067 R)
• M16: 41,309,358 km (0.057 R)
• M17: 44,376,114 km (0.109 R)
• M18: 45,477,453 km (0.08 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 10,529 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit