🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.8

Radius: 13.9

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.79 AU - 1.11 AU

Year: 598 Days

Day: 14.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 18,737,593 km

• M1: 172,935 km (0.106 R)
• M2: 1,188,705 km (0.038 R)
• M3: 2,523,866 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.7

Radius: 13.5

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.31 AU - 2.39 AU

Year: 2326 Days

Day: 12.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 18,737,593 km

• M1: 167,849 km (0.06 R)
• M2: 880,832 km (0.044 R)
• M3: 1,516,623 km (0.044 R)
• M4: 2,084,347 km (0.095 R)
• M5: 2,629,033 km (0.081 R)
• M6: 3,297,137 km (0.042 R)
• M7: 3,814,297 km (0.091 R)
• M8: 4,528,028 km (0.055 R)
• M9: 4,955,729 km (0.097 R)
• M10: 5,700,876 km (0.069 R)
• M11: 6,268,300 km (0.068 R)
• M12: 7,465,981 km (0.077 R)
• M13: 8,697,919 km (0.049 R)
• M14: 9,753,183 km (0.074 R)
• M15: 10,535,131 km (0.033 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.2

Radius: 14.6

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.92 AU - 3.1 AU

Year: 3372 Days

Day: 5.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 18,737,593 km

• M1: 182,360 km (0.108 R)
• M2: 692,489 km (0.084 R)
• M3: 1,185,264 km (0.063 R)
• M4: 1,777,372 km (0.105 R)
• M5: 2,292,288 km (0.057 R)
• M6: 2,954,708 km (0.108 R)
• M7: 3,951,179 km (0.083 R)
• M8: 4,733,127 km (0.113 R)
• M9: 5,591,669 km (0.093 R)
• M10: 6,255,585 km (0.083 R)
• M11: 7,834,291 km (0.113 R)
• M12: 9,243,353 km (0.079 R)
• M13: 9,700,973 km (0.068 R)
• M14: 10,472,449 km (0.055 R)
• M15: 11,808,059 km (0.112 R)
• M16: 12,731,078 km (0.119 R)
• M17: 13,521,553 km (0.106 R)
• M18: 16,395,179 km (0.105 R)
• M19: 16,910,992 km (0.107 R)
• M20: 17,651,352 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.2

Radius: 12.3

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.27 AU - 5.29 AU

Year: 6748 Days

Day: 7.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 18,737,593 km

• M1: 153,039 km (0.106 R)
• M2: 573,708 km (0.062 R)
• M3: 963,859 km (0.047 R)
• M4: 1,492,538 km (0.118 R)
• M5: 2,395,212 km (0.103 R)
• M6: 3,049,104 km (0.056 R)
• M7: 4,499,006 km (0.115 R)
• M8: 4,938,675 km (0.102 R)
• M9: 5,498,320 km (0.119 R)
• M10: 6,366,137 km (0.052 R)
• M11: 7,066,255 km (0.101 R)
• M12: 7,817,087 km (0.065 R)
• M13: 8,745,492 km (0.118 R)
• M14: 9,927,614 km (0.051 R)
• M15: 12,182,951 km (0.104 R)
• M16: 12,715,221 km (0.09 R)
• M17: 13,486,248 km (0.101 R)
• M18: 16,561,681 km (0.077 R)
• M19: 18,713,946 km (0.063 R)
• M20: 19,279,874 km (0.08 R)
• M21: 22,047,585 km (0.055 R)
• M22: 29,866,018 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.3

Radius: 12.6

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.45 AU - 5.73 AU

Year: 7415 Days

Day: 6.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 18,737,593 km

• M1: 159,771 km (0.105 R)
• M2: 828,623 km (0.093 R)
• M3: 1,843,345 km (0.116 R)
• M4: 2,261,920 km (0.088 R)
• M5: 2,706,674 km (0.038 R)
• M6: 3,727,829 km (0.114 R)
• M7: 4,146,105 km (0.04 R)
• M8: 4,678,524 km (0.11 R)
• M9: 5,316,708 km (0.083 R)
• M10: 5,784,650 km (0.112 R)
• M11: 6,625,839 km (0.068 R)
• M12: 7,938,561 km (0.107 R)
• M13: 10,058,512 km (0.06 R)
• M14: 12,805,578 km (0.103 R)
• M15: 14,056,216 km (0.087 R)
• M16: 15,511,953 km (0.104 R)
• M17: 19,734,652 km (0.091 R)
• M18: 23,905,889 km (0.064 R)
• M19: 24,926,147 km (0.063 R)
• M20: 29,878,884 km (0.05 R)
• M21: 33,839,188 km (0.06 R)
• M22: 38,481,359 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32.2

Radius: 3.7

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.65 AU - 6.81 AU

Year: 11273 Days

Day: 23.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 18,737,593 km

• M1: 46,076 km (0.064 R)
• M2: 253,269 km (0.1 R)
• M3: 465,249 km (0.063 R)
• M4: 1,269,338 km (0.097 R)
• M5: 1,401,433 km (0.067 R)
• M6: 1,693,149 km (0.082 R)
• M7: 1,901,239 km (0.098 R)
• M8: 3,963,446 km (0.097 R)
• M9: 4,697,523 km (0.115 R)
• M10: 5,769,092 km (0.11 R)
• M11: 6,133,064 km (0.053 R)
• M12: 6,375,113 km (0.098 R)
• M13: 7,198,500 km (0.098 R)
• M14: 8,316,146 km (0.115 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: 447 - 17,222 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit