🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.83 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.9

Radius: 11.1

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.48 AU - 1.84 AU

Year: 1451 Days

Day: 9.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,499,464 km

• M1: 143,016 km (0.028 R)
• M2: 537,505 km (0.116 R)
• M3: 998,267 km (0.118 R)
• M4: 1,474,287 km (0.073 R)
• M5: 2,141,793 km (0.083 R)
• M6: 2,593,877 km (0.097 R)
• M7: 2,974,305 km (0.096 R)
• M8: 3,436,113 km (0.085 R)
• M9: 3,897,025 km (0.069 R)
• M10: 6,505,114 km (0.114 R)
• M11: 7,411,228 km (0.083 R)
• M12: 8,426,549 km (0.113 R)
• M13: 10,446,569 km (0.027 R)
• M14: 10,828,343 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.7

Radius: 14.6

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.68 AU - 2.76 AU

Year: 2243 Days

Day: 12.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,499,464 km

• M1: 181,761 km (0.119 R)
• M2: 888,911 km (0.047 R)
• M3: 1,604,587 km (0.057 R)
• M4: 2,125,935 km (0.119 R)
• M5: 2,877,066 km (0.072 R)
• M6: 3,697,311 km (0.077 R)
• M7: 5,151,103 km (0.115 R)
• M8: 6,271,442 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.3

Radius: 14

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.51 AU - 2.89 AU

Year: 3009 Days

Day: 12.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,499,464 km

• M1: 174,282 km (0.057 R)
• M2: 672,143 km (0.111 R)
• M3: 1,155,344 km (0.069 R)
• M4: 1,645,128 km (0.116 R)
• M5: 2,123,841 km (0.086 R)
• M6: 4,201,755 km (0.096 R)
• M7: 4,677,327 km (0.096 R)
• M8: 5,765,053 km (0.106 R)
• M9: 6,383,640 km (0.1 R)
• M10: 7,171,572 km (0.11 R)
• M11: 7,622,311 km (0.052 R)
• M12: 8,580,784 km (0.097 R)
• M13: 10,531,391 km (0.114 R)
• M14: 11,243,028 km (0.085 R)
• M15: 11,941,949 km (0.076 R)
• M16: 12,439,063 km (0.052 R)
• M17: 13,186,903 km (0.042 R)
• M18: 14,113,811 km (0.069 R)
• M19: 14,670,016 km (0.105 R)
• M20: 15,558,328 km (0.11 R)
• M21: 20,547,417 km (0.092 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.6

Radius: 4.7

Gravity: 43.8 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.64 AU - 7.06 AU

Year: 10853 Days

Day: 23.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 78,499,464 km

• M1: 58,942 km (0.102 R)
• M2: 210,783 km (0.075 R)
• M3: 389,403 km (0.057 R)
• M4: 730,935 km (0.106 R)
• M5: 955,631 km (0.119 R)
• M6: 1,344,436 km (0.061 R)
• M7: 1,529,937 km (0.112 R)
• M8: 3,635,677 km (0.102 R)
• M9: 3,997,704 km (0.084 R)
• M10: 6,333,375 km (0.049 R)
• M11: 8,222,049 km (0.114 R)
• M12: 9,294,067 km (0.051 R)
• M13: 9,498,567 km (0.026 R)
• M14: 9,706,059 km (0.11 R)
• M15: 10,076,314 km (0.097 R)
• M16: 10,237,880 km (0.117 R)
• M17: 10,566,247 km (0.098 R)
• M18: 10,845,247 km (0.11 R)
• M19: 11,129,034 km (0.055 R)
• M20: 13,646,767 km (0.116 R)
• M21: 13,977,527 km (0.09 R)
• M22: 17,277,058 km (0.102 R)
• M23: 21,770,380 km (0.057 R)
• M24: 22,222,165 km (0.032 R)
• M25: 23,237,785 km (0.108 R)
• M26: 26,266,095 km (0.05 R)
• M27: 28,460,546 km (0.059 R)
• M28: 30,324,236 km (0.118 R)
• M29: 30,661,280 km (0.101 R)
• M30: 33,448,887 km (0.106 R)
• M31: 34,536,314 km (0.095 R)
• M32: 36,908,936 km (0.115 R)
• M33: 38,462,061 km (0.116 R)
• M34: 51,683,521 km (0.1 R)
• M35: 51,843,441 km (0.102 R)
• M36: 53,298,430 km (0.069 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 792.5

Radius: 7.6

Gravity: 13.72 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 7.64 AU - 11.12 AU

Year: 19485 Days

Day: 18.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 78,499,464 km

• M1: 94,546 km (0.087 R)
• M2: 338,540 km (0.108 R)
• M3: 640,877 km (0.071 R)
• M4: 1,178,382 km (0.104 R)
• M5: 1,504,655 km (0.104 R)
• M6: 2,127,880 km (0.093 R)
• M7: 2,430,217 km (0.039 R)
• M8: 3,015,893 km (0.107 R)
• M9: 3,602,317 km (0.12 R)
• M10: 5,820,853 km (0.094 R)
• M11: 7,097,222 km (0.03 R)
• M12: 7,676,465 km (0.1 R)
• M13: 8,603,972 km (0.101 R)
• M14: 11,118,862 km (0.094 R)
• M15: 11,899,912 km (0.111 R)
• M16: 13,281,897 km (0.079 R)
• M17: 19,144,638 km (0.111 R)
• M18: 20,551,755 km (0.1 R)
• M19: 21,035,705 km (0.088 R)
• M20: 24,530,610 km (0.04 R)
• M21: 26,415,244 km (0.106 R)
• M22: 28,156,563 km (0.085 R)
• M23: 30,846,782 km (0.082 R)
• M24: 31,226,461 km (0.104 R)
• M25: 35,333,970 km (0.118 R)
• M26: 41,454,168 km (0.098 R)
• M27: 42,382,423 km (0.107 R)
• M28: 50,839,340 km (0.057 R)
• M29: 52,619,705 km (0.055 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 19,462 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit