🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.6

Radius: 11.9

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.01 AU - 1.35 AU

Year: 869 Days

Day: 11.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,551,834 km

• M1: 147,952 km (0.108 R)
• M2: 559,346 km (0.108 R)
• M3: 1,218,175 km (0.069 R)
• M4: 1,921,285 km (0.113 R)
• M5: 2,430,367 km (0.098 R)
• M6: 3,170,128 km (0.083 R)
• M7: 3,565,067 km (0.073 R)
• M8: 4,085,667 km (0.117 R)
• M9: 4,622,724 km (0.09 R)
• M10: 5,151,403 km (0.11 R)
• M11: 6,330,533 km (0.103 R)
• M12: 7,119,811 km (0.084 R)
• M13: 7,705,637 km (0.086 R)
• M14: 9,027,633 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.2

Radius: 14.5

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.41 AU - 1.95 AU

Year: 1477 Days

Day: 5.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,551,834 km

• M1: 180,265 km (0.082 R)
• M2: 754,123 km (0.106 R)
• M3: 1,231,789 km (0.108 R)
• M4: 2,154,808 km (0.118 R)
• M5: 2,636,662 km (0.109 R)
• M6: 4,069,810 km (0.108 R)
• M7: 4,815,705 km (0.026 R)
• M8: 5,341,093 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.2

Radius: 11.1

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.68 AU - 1.86 AU

Year: 1597 Days

Day: 11.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,551,834 km

• M1: 138,079 km (0.114 R)
• M2: 520,451 km (0.116 R)
• M3: 909,705 km (0.118 R)
• M4: 1,500,467 km (0.113 R)
• M5: 2,187,270 km (0.095 R)
• M6: 2,864,051 km (0.089 R)
• M7: 3,260,186 km (0.094 R)
• M8: 3,798,140 km (0.102 R)
• M9: 4,533,264 km (0.058 R)
• M10: 5,405,569 km (0.077 R)
• M11: 6,513,790 km (0.079 R)
• M12: 7,259,087 km (0.118 R)
• M13: 7,825,465 km (0.028 R)
• M14: 8,269,471 km (0.045 R)
• M15: 9,636,197 km (0.095 R)
• M16: 11,184,984 km (0.102 R)
• M17: 13,981,716 km (0.103 R)
• M18: 15,175,208 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.6

Radius: 10.7

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.14 AU - 2.48 AU

Year: 2381 Days

Day: 7.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,551,834 km

• M1: 134,040 km (0.102 R)
• M2: 501,153 km (0.098 R)
• M3: 1,007,990 km (0.03 R)
• M4: 1,605,335 km (0.093 R)
• M5: 3,177,459 km (0.094 R)
• M6: 3,653,629 km (0.089 R)
• M7: 4,618,236 km (0.108 R)
• M8: 4,952,288 km (0.042 R)
• M9: 5,422,923 km (0.074 R)
• M10: 6,053,029 km (0.098 R)
• M11: 7,191,469 km (0.12 R)
• M12: 7,796,143 km (0.072 R)
• M13: 8,336,491 km (0.115 R)
• M14: 8,901,672 km (0.07 R)
• M15: 10,220,377 km (0.091 R)
• M16: 11,624,203 km (0.052 R)
• M17: 12,245,483 km (0.118 R)
• M18: 13,781,704 km (0.071 R)
• M19: 15,295,185 km (0.068 R)
• M20: 17,768,786 km (0.108 R)
• M21: 18,205,612 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.4

Radius: 14.3

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.28 AU - 2.86 AU

Year: 2794 Days

Day: 5.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,551,834 km

• M1: 177,872 km (0.1 R)
• M2: 669,002 km (0.077 R)
• M3: 1,657,993 km (0.085 R)
• M4: 2,114,566 km (0.088 R)
• M5: 2,611,530 km (0.074 R)
• M6: 3,136,020 km (0.085 R)
• M7: 3,692,674 km (0.103 R)
• M8: 4,960,217 km (0.11 R)
• M9: 6,529,199 km (0.092 R)
• M10: 7,020,478 km (0.106 R)
• M11: 9,785,346 km (0.101 R)
• M12: 10,276,327 km (0.087 R)
• M13: 11,597,126 km (0.114 R)
• M14: 12,320,432 km (0.072 R)
• M15: 17,473,630 km (0.114 R)
• M16: 18,085,335 km (0.099 R)
• M17: 19,528,805 km (0.107 R)
• M18: 20,187,784 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617

Radius: 11.6

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.72 AU - 3.14 AU

Year: 3402 Days

Day: 14.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,551,834 km

• M1: 144,212 km (0.093 R)
• M2: 590,313 km (0.102 R)
• M3: 1,056,610 km (0.092 R)
• M4: 1,951,205 km (0.113 R)
• M5: 2,412,415 km (0.11 R)
• M6: 4,449,938 km (0.111 R)
• M7: 4,961,413 km (0.071 R)
• M8: 5,332,416 km (0.084 R)
• M9: 5,992,292 km (0.079 R)
• M10: 6,765,414 km (0.111 R)
• M11: 7,254,150 km (0.095 R)
• M12: 7,636,074 km (0.115 R)
• M13: 9,263,549 km (0.104 R)
• M14: 11,576,930 km (0.12 R)
• M15: 12,913,737 km (0.12 R)
• M16: 13,334,107 km (0.11 R)
• M17: 13,957,481 km (0.096 R)
• M18: 14,852,675 km (0.099 R)
• M19: 15,785,717 km (0.06 R)
• M20: 16,647,550 km (0.065 R)
• M21: 17,370,557 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.2

Radius: 9.4

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.83 AU - 3.15 AU

Year: 3507 Days

Day: 10 Hours

Environment

Temp: -219 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,551,834 km

• M1: 116,836 km (0.065 R)
• M2: 420,520 km (0.1 R)
• M3: 759,508 km (0.11 R)
• M4: 1,221,915 km (0.104 R)
• M5: 2,044,853 km (0.053 R)
• M6: 2,380,252 km (0.115 R)
• M7: 2,902,049 km (0.066 R)
• M8: 3,272,453 km (0.084 R)
• M9: 3,634,779 km (0.068 R)
• M10: 4,066,369 km (0.109 R)
• M11: 4,718,317 km (0.118 R)
• M12: 6,088,334 km (0.035 R)
• M13: 7,805,718 km (0.102 R)
• M14: 9,746,750 km (0.088 R)
• M15: 12,078,831 km (0.073 R)
• M16: 13,042,092 km (0.1 R)
• M17: 14,965,621 km (0.11 R)
• M18: 17,411,696 km (0.112 R)
• M19: 18,940,287 km (0.111 R)
• M20: 19,613,178 km (0.085 R)
• M21: 20,684,449 km (0.063 R)
• M22: 21,398,031 km (0.117 R)
• M23: 21,927,308 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.7

Radius: 10.3

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.51 AU - 3.73 AU

Year: 4671 Days

Day: 9.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,551,834 km

• M1: 128,056 km (0.12 R)
• M2: 468,989 km (0.098 R)
• M3: 819,796 km (0.107 R)
• M4: 1,153,100 km (0.085 R)
• M5: 2,228,859 km (0.079 R)
• M6: 2,741,082 km (0.084 R)
• M7: 4,721,010 km (0.102 R)
• M8: 5,455,086 km (0.117 R)
• M9: 7,204,633 km (0.088 R)
• M10: 7,766,822 km (0.057 R)
• M11: 9,596,853 km (0.114 R)
• M12: 12,435,473 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845.7

Radius: 7.3

Gravity: 15.87 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 6.33 AU - 9.17 AU

Year: 14633 Days

Day: 24 Hours

Environment

Temp: -240 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,551,834 km

• M1: 92,003 km (0.041 R)
• M2: 427,551 km (0.063 R)
• M3: 677,828 km (0.117 R)
• M4: 1,807,292 km (0.065 R)
• M5: 2,579,067 km (0.106 R)
• M6: 3,077,079 km (0.039 R)
• M7: 3,986,783 km (0.102 R)
• M8: 6,042,108 km (0.118 R)
• M9: 8,021,587 km (0.068 R)
• M10: 9,290,327 km (0.08 R)
• M11: 10,512,990 km (0.091 R)
• M12: 11,405,790 km (0.072 R)
• M13: 12,938,121 km (0.097 R)
• M14: 13,273,819 km (0.098 R)
• M15: 15,486,521 km (0.084 R)
• M16: 20,902,263 km (0.1 R)
• M17: 29,145,555 km (0.088 R)
• M18: 29,839,090 km (0.097 R)
• M19: 39,040,856 km (0.073 R)
• M20: 42,336,796 km (0.094 R)
• M21: 58,832,504 km (0.113 R)
• M22: 63,924,068 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 219.7

Radius: 7.6

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 9.34 AU - 12.12 AU

Year: 23839 Days

Day: 18 Hours

Environment

Temp: -239 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 58,551,834 km

• M1: 96,191 km (0.087 R)
• M2: 691,890 km (0.111 R)
• M3: 2,119,802 km (0.1 R)
• M4: 2,474,199 km (0.064 R)
• M5: 3,642,858 km (0.1 R)
• M6: 3,892,237 km (0.111 R)
• M7: 4,272,665 km (0.084 R)
• M8: 5,385,972 km (0.087 R)
• M9: 6,763,619 km (0.094 R)
• M10: 7,184,587 km (0.111 R)
• M11: 8,032,807 km (0.113 R)
• M12: 9,662,078 km (0.119 R)
• M13: 11,441,395 km (0.096 R)
• M14: 12,161,559 km (0.029 R)
• M15: 12,470,479 km (0.051 R)
• M16: 13,039,549 km (0.112 R)
• M17: 14,434,998 km (0.073 R)
• M18: 15,418,753 km (0.093 R)
• M19: 18,152,954 km (0.082 R)
• M20: 18,556,569 km (0.115 R)
• M21: 19,549,899 km (0.05 R)
• M22: 21,913,545 km (0.109 R)
• M23: 22,187,459 km (0.111 R)
• M24: 25,152,937 km (0.119 R)
• M25: 28,156,862 km (0.045 R)
• M26: 35,868,034 km (0.09 R)
• M27: 38,854,905 km (0.025 R)
• M28: 44,437,300 km (0.096 R)
• M29: 47,115,101 km (0.057 R)
• M30: 49,583,915 km (0.113 R)
• M31: 50,214,320 km (0.071 R)
• M32: 51,813,821 km (0.115 R)
• M33: 52,953,457 km (0.069 R)
• M34: 57,505,870 km (0.081 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: 489 - 18,203 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit