🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.2

Radius: 10.8

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.46 AU - 0.6 AU

Year: 266 Days

Day: 14.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,905,369 km

• M1: 134,339 km (0.056 R)
• M2: 475,123 km (0.069 R)
• M3: 860,786 km (0.12 R)
• M4: 1,475,035 km (0.1 R)
• M5: 1,953,299 km (0.118 R)
• M6: 2,405,534 km (0.109 R)
• M7: 2,888,735 km (0.051 R)
• M8: 3,298,334 km (0.046 R)
• M9: 3,944,297 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.8

Radius: 13.2

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.05 AU - 1.19 AU

Year: 818 Days

Day: 8.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,905,369 km

• M1: 164,109 km (0.091 R)
• M2: 725,998 km (0.1 R)
• M3: 1,249,591 km (0.099 R)
• M4: 1,724,564 km (0.115 R)
• M5: 2,216,143 km (0.098 R)
• M6: 2,657,606 km (0.1 R)
• M7: 3,502,984 km (0.055 R)
• M8: 4,554,657 km (0.098 R)
• M9: 5,145,269 km (0.046 R)
• M10: 6,243,467 km (0.112 R)
• M11: 6,679,545 km (0.084 R)
• M12: 7,159,455 km (0.046 R)
• M13: 7,589,100 km (0.112 R)
• M14: 9,065,033 km (0.088 R)
• M15: 9,568,729 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.2

Radius: 14.4

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.07 AU - 1.29 AU

Year: 885 Days

Day: 11.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,905,369 km

• M1: 179,069 km (0.07 R)
• M2: 769,531 km (0.102 R)
• M3: 1,222,514 km (0.116 R)
• M4: 1,774,829 km (0.097 R)
• M5: 2,227,363 km (0.086 R)
• M6: 3,016,940 km (0.037 R)
• M7: 3,541,879 km (0.112 R)
• M8: 4,503,494 km (0.071 R)
• M9: 6,035,227 km (0.084 R)
• M10: 7,172,919 km (0.044 R)
• M11: 8,423,258 km (0.06 R)
• M12: 9,529,983 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.7

Radius: 11.8

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.34 AU - 2.06 AU

Year: 1530 Days

Day: 8.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,905,369 km

• M1: 147,504 km (0.116 R)
• M2: 578,046 km (0.098 R)
• M3: 999,912 km (0.102 R)
• M4: 1,563,597 km (0.072 R)
• M5: 1,996,384 km (0.063 R)
• M6: 2,485,419 km (0.074 R)
• M7: 2,877,216 km (0.064 R)
• M8: 3,429,382 km (0.063 R)
• M9: 3,868,601 km (0.086 R)
• M10: 4,257,406 km (0.077 R)
• M11: 5,732,890 km (0.066 R)
• M12: 6,308,841 km (0.082 R)
• M13: 7,219,743 km (0.119 R)
• M14: 8,409,495 km (0.099 R)
• M15: 8,805,181 km (0.087 R)
• M16: 9,302,295 km (0.097 R)
• M17: 11,242,280 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.8

Radius: 14.4

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.96 AU - 2.8 AU

Year: 2534 Days

Day: 13.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,905,369 km

• M1: 179,069 km (0.102 R)
• M2: 641,027 km (0.116 R)
• M3: 1,777,671 km (0.087 R)
• M4: 2,236,039 km (0.111 R)
• M5: 2,697,100 km (0.114 R)
• M6: 3,776,449 km (0.093 R)
• M7: 4,843,081 km (0.116 R)
• M8: 5,298,009 km (0.115 R)
• M9: 5,834,167 km (0.112 R)
• M10: 6,406,529 km (0.086 R)
• M11: 7,167,084 km (0.072 R)
• M12: 7,760,390 km (0.12 R)
• M13: 8,904,215 km (0.101 R)
• M14: 11,358,667 km (0.086 R)
• M15: 13,013,369 km (0.068 R)
• M16: 14,923,584 km (0.085 R)
• M17: 18,073,517 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.8

Radius: 13

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.45 AU - 5.21 AU

Year: 6219 Days

Day: 6.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,905,369 km

• M1: 161,865 km (0.064 R)
• M2: 603,179 km (0.113 R)
• M3: 1,237,773 km (0.088 R)
• M4: 1,862,344 km (0.054 R)
• M5: 4,085,219 km (0.104 R)
• M6: 6,054,375 km (0.112 R)
• M7: 6,722,480 km (0.09 R)
• M8: 7,733,462 km (0.102 R)
• M9: 9,136,690 km (0.1 R)
• M10: 9,938,235 km (0.032 R)
• M11: 14,565,597 km (0.094 R)
• M12: 15,184,333 km (0.101 R)
• M13: 16,529,667 km (0.094 R)
• M14: 22,644,630 km (0.108 R)
• M15: 23,475,646 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 273

Radius: 7.4

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.94 AU - 8.18 AU

Year: 12948 Days

Day: 16.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 41,905,369 km

• M1: 92,302 km (0.101 R)
• M2: 365,468 km (0.072 R)
• M3: 810,072 km (0.068 R)
• M4: 1,070,223 km (0.031 R)
• M5: 1,527,394 km (0.057 R)
• M6: 1,779,317 km (0.031 R)
• M7: 2,314,728 km (0.114 R)
• M8: 2,748,113 km (0.073 R)
• M9: 3,851,696 km (0.11 R)
• M10: 8,855,446 km (0.091 R)
• M11: 9,443,515 km (0.065 R)
• M12: 10,009,145 km (0.098 R)
• M13: 14,068,333 km (0.12 R)
• M14: 14,806,000 km (0.12 R)
• M15: 17,731,985 km (0.111 R)
• M16: 18,447,063 km (0.112 R)
• M17: 18,958,987 km (0.091 R)
• M18: 19,858,369 km (0.118 R)
• M19: 21,904,419 km (0.065 R)
• M20: 22,478,426 km (0.06 R)
• M21: 24,522,532 km (0.112 R)
• M22: 25,680,120 km (0.072 R)
• M23: 29,868,262 km (0.048 R)
• M24: 31,084,792 km (0.119 R)
• M25: 32,018,731 km (0.068 R)
• M26: 32,545,466 km (0.078 R)
• M27: 35,603,246 km (0.103 R)
• M28: 37,783,785 km (0.071 R)
• M29: 38,372,153 km (0.109 R)
• M30: 39,808,891 km (0.112 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: 231 - 10,671 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit