🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.1

Radius: 12.9

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.41 AU - 0.63 AU

Year: 264 Days

Day: 12.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 74,389,531 km

• M1: 161,416 km (0.053 R)
• M2: 1,043,744 km (0.086 R)

Asteroid Belt

Center: 0.79 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467

Radius: 14.5

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.91 AU - 1.21 AU

Year: 767 Days

Day: 5.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,389,531 km

• M1: 180,265 km (0.072 R)
• M2: 743,202 km (0.076 R)
• M3: 1,225,955 km (0.072 R)
• M4: 1,786,498 km (0.045 R)
• M5: 2,687,376 km (0.112 R)
• M6: 3,457,506 km (0.07 R)
• M7: 4,432,286 km (0.109 R)
• M8: 5,196,132 km (0.108 R)
• M9: 5,951,901 km (0.117 R)
• M10: 6,495,689 km (0.049 R)
• M11: 6,967,072 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.1

Radius: 10.2

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.35 AU - 1.37 AU

Year: 1115 Days

Day: 10.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,389,531 km

• M1: 128,505 km (0.077 R)
• M2: 452,534 km (0.112 R)
• M3: 908,358 km (0.064 R)
• M4: 1,226,104 km (0.039 R)
• M5: 2,304,555 km (0.116 R)
• M6: 2,847,745 km (0.082 R)
• M7: 3,227,424 km (0.118 R)
• M8: 3,765,678 km (0.075 R)
• M9: 4,629,605 km (0.062 R)
• M10: 5,275,569 km (0.117 R)
• M11: 7,476,453 km (0.067 R)
• M12: 8,949,543 km (0.051 R)
• M13: 10,864,695 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.7

Radius: 12.8

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.19 AU - 1.91 AU

Year: 1356 Days

Day: 11.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,389,531 km

• M1: 159,172 km (0.039 R)
• M2: 558,000 km (0.109 R)
• M3: 1,389,465 km (0.102 R)
• M4: 1,875,509 km (0.093 R)
• M5: 2,285,107 km (0.092 R)
• M6: 2,862,106 km (0.084 R)
• M7: 3,534,998 km (0.094 R)
• M8: 4,420,617 km (0.105 R)
• M9: 6,826,600 km (0.111 R)
• M10: 8,059,136 km (0.071 R)
• M11: 8,597,539 km (0.088 R)
• M12: 9,281,501 km (0.096 R)
• M13: 11,446,930 km (0.101 R)
• M14: 12,018,843 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.9

Radius: 9.4

Gravity: 10.23 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.41 AU - 2.45 AU

Year: 2663 Days

Day: 7.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 96.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,389,531 km

• M1: 116,986 km (0.057 R)
• M2: 463,305 km (0.046 R)
• M3: 2,142,242 km (0.079 R)
• M4: 2,887,688 km (0.097 R)
• M5: 3,777,047 km (0.114 R)
• M6: 4,339,685 km (0.073 R)
• M7: 5,924,524 km (0.105 R)
• M8: 7,413,921 km (0.072 R)
• M9: 8,922,765 km (0.077 R)
• M10: 9,431,398 km (0.068 R)
• M11: 9,920,882 km (0.085 R)
• M12: 12,269,718 km (0.118 R)
• M13: 13,036,557 km (0.097 R)
• M14: 13,644,223 km (0.094 R)
• M15: 14,124,582 km (0.079 R)
• M16: 17,638,038 km (0.094 R)
• M17: 19,026,755 km (0.101 R)
• M18: 19,385,042 km (0.117 R)
• M19: 20,549,512 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 265.6

Radius: 5.3

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 6.68 AU - 10.2 AU

Year: 17235 Days

Day: 17 Hours

Environment

Temp: -243 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,389,531 km

• M1: 176,226 km (0.067 R)
• M2: 725,550 km (0.034 R)
• M3: 1,042,697 km (0.069 R)
• M4: 1,461,870 km (0.075 R)
• M5: 1,725,611 km (0.117 R)
• M6: 3,374,629 km (0.073 R)
• M7: 4,224,793 km (0.106 R)
• M8: 5,546,191 km (0.083 R)
• M9: 6,226,114 km (0.094 R)
• M10: 6,605,494 km (0.042 R)
• M11: 8,505,836 km (0.079 R)
• M12: 9,261,305 km (0.055 R)
• M13: 10,796,628 km (0.083 R)
• M14: 18,254,231 km (0.09 R)
• M15: 18,873,417 km (0.08 R)
• M16: 20,898,374 km (0.056 R)
• M17: 23,423,586 km (0.103 R)
• M18: 29,070,008 km (0.103 R)
• M19: 30,557,011 km (0.037 R)
• M20: 37,879,527 km (0.12 R)
• M21: 45,018,487 km (0.044 R)
• M22: 49,050,449 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 581.2

Radius: 3.1

Gravity: 60.48 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 8.24 AU - 11.34 AU

Year: 21532 Days

Day: 21.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 74,389,531 km

• M1: 40,391 km (0.07 R)
• M2: 403,615 km (0.118 R)
• M3: 1,097,151 km (0.105 R)
• M4: 1,980,077 km (0.05 R)
• M5: 2,610,782 km (0.119 R)
• M6: 2,907,285 km (0.067 R)
• M7: 3,422,051 km (0.085 R)
• M8: 3,838,382 km (0.087 R)
• M9: 4,456,072 km (0.117 R)
• M10: 4,559,294 km (0.109 R)
• M11: 5,174,890 km (0.107 R)
• M12: 5,366,076 km (0.117 R)
• M13: 6,436,897 km (0.116 R)
• M14: 6,793,239 km (0.046 R)
• M15: 7,068,799 km (0.053 R)
• M16: 8,298,194 km (0.105 R)
• M17: 8,990,682 km (0.105 R)
• M18: 11,361,509 km (0.117 R)
• M19: 12,416,324 km (0.091 R)
• M20: 12,828,017 km (0.026 R)
• M21: 14,642,191 km (0.044 R)
• M22: 15,649,882 km (0.089 R)
• M23: 16,211,173 km (0.098 R)
• M24: 18,769,446 km (0.075 R)
• M25: 19,129,678 km (0.083 R)
• M26: 21,096,591 km (0.115 R)
• M27: 24,560,230 km (0.09 R)
• M28: 29,458,813 km (0.111 R)
• M29: 29,701,311 km (0.12 R)
• M30: 30,560,451 km (0.109 R)
• M31: 32,845,559 km (0.109 R)
• M32: 35,652,314 km (0.095 R)
• M33: 39,785,105 km (0.108 R)
• M34: 39,933,057 km (0.068 R)
• M35: 41,737,058 km (0.114 R)
• M36: 45,993,117 km (0.097 R)
• M37: 49,155,616 km (0.073 R)
• M38: 60,283,155 km (0.1 R)
• M39: 62,253,957 km (0.043 R)
• M40: 67,367,811 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 464.7

Radius: 6.6

Gravity: 10.67 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 7.79 AU - 12.95 AU

Year: 23473 Days

Day: 16.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,389,531 km

• M1: 82,129 km (0.09 R)
• M2: 780,153 km (0.11 R)
• M3: 1,328,728 km (0.097 R)
• M4: 2,539,873 km (0.085 R)
• M5: 2,776,836 km (0.029 R)
• M6: 3,607,104 km (0.101 R)
• M7: 4,456,072 km (0.081 R)
• M8: 5,548,136 km (0.084 R)
• M9: 7,174,265 km (0.038 R)
• M10: 9,538,659 km (0.085 R)
• M11: 10,712,255 km (0.109 R)
• M12: 17,451,040 km (0.062 R)
• M13: 17,791,675 km (0.118 R)
• M14: 20,114,331 km (0.041 R)
• M15: 43,498,274 km (0.106 R)
• M16: 60,626,332 km (0.096 R)
• M17: 62,393,532 km (0.09 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 13,965 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit