🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.8 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.7

Radius: 10.3

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.49 AU - 6.69 AU

Year: 8403 Days

Day: 5.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 93,484,662 km

• M1: 130,150 km (0.091 R)
• M2: 946,207 km (0.095 R)
• M3: 1,446,911 km (0.11 R)
• M4: 2,219,883 km (0.103 R)
• M5: 2,559,320 km (0.102 R)
• M6: 3,171,774 km (0.109 R)
• M7: 3,584,515 km (0.088 R)
• M8: 4,689,145 km (0.066 R)
• M9: 5,068,974 km (0.112 R)
• M10: 5,579,701 km (0.082 R)
• M11: 6,579,464 km (0.102 R)
• M12: 7,522,978 km (0.107 R)
• M13: 7,938,710 km (0.101 R)
• M14: 8,260,645 km (0.053 R)
• M15: 9,556,611 km (0.115 R)
• M16: 11,249,161 km (0.052 R)
• M17: 11,747,771 km (0.075 R)
• M18: 13,483,106 km (0.118 R)
• M19: 16,054,544 km (0.063 R)
• M20: 16,979,957 km (0.098 R)
• M21: 17,636,392 km (0.073 R)
• M22: 19,903,698 km (0.101 R)
• M23: 20,700,905 km (0.071 R)
• M24: 21,243,945 km (0.118 R)
• M25: 22,930,661 km (0.092 R)

Planet 2 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.2

Radius: 5.4

Gravity: 18.25 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.95 AU - 9.97 AU

Year: 15645 Days

Day: 23.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 139.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 93,484,662 km

• M1: 70,909 km (0.06 R)
• M2: 338,540 km (0.039 R)
• M3: 513,869 km (0.094 R)
• M4: 1,133,952 km (0.111 R)
• M5: 1,369,269 km (0.084 R)
• M6: 1,590,076 km (0.12 R)
• M7: 2,198,939 km (0.05 R)
• M8: 2,766,214 km (0.115 R)
• M9: 3,270,957 km (0.064 R)
• M10: 3,949,683 km (0.058 R)
• M11: 4,849,514 km (0.033 R)
• M12: 5,954,743 km (0.065 R)
• M13: 6,225,815 km (0.095 R)
• M14: 6,464,722 km (0.102 R)
• M15: 7,003,424 km (0.087 R)
• M16: 8,169,689 km (0.04 R)
• M17: 8,504,489 km (0.082 R)
• M18: 8,948,496 km (0.101 R)
• M19: 9,882,735 km (0.113 R)
• M20: 10,262,863 km (0.102 R)
• M21: 11,285,514 km (0.088 R)
• M22: 13,138,134 km (0.088 R)
• M23: 13,399,481 km (0.111 R)
• M24: 14,899,798 km (0.06 R)
• M25: 19,133,568 km (0.056 R)
• M26: 20,588,557 km (0.026 R)
• M27: 21,840,990 km (0.115 R)
• M28: 22,766,103 km (0.06 R)
• M29: 27,893,720 km (0.084 R)
• M30: 32,416,213 km (0.104 R)
• M31: 34,107,866 km (0.113 R)
• M32: 38,860,291 km (0.093 R)
• M33: 43,166,914 km (0.117 R)
• M34: 46,409,149 km (0.036 R)
• M35: 51,895,801 km (0.118 R)
• M36: 54,206,340 km (0.1 R)

Planet 3 - Ice Giant

Semi-Major Axis: 9.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136.6

Radius: 4.1

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 8.33 AU - 11.15 AU

Year: 19327 Days

Day: 21.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 93,484,662 km

• M1: 51,013 km (0.047 R)
• M2: 343,926 km (0.086 R)
• M3: 721,062 km (0.093 R)
• M4: 1,187,957 km (0.096 R)
• M5: 3,875,482 km (0.09 R)
• M6: 4,850,711 km (0.063 R)
• M7: 8,695,227 km (0.034 R)
• M8: 9,472,388 km (0.044 R)
• M9: 10,097,108 km (0.118 R)
• M10: 12,191,179 km (0.074 R)
• M11: 13,517,514 km (0.107 R)
• M12: 19,481,084 km (0.047 R)
• M13: 23,286,853 km (0.084 R)
• M14: 27,655,859 km (0.077 R)
• M15: 28,237,795 km (0.096 R)

Planet 4 - Ice Giant

Semi-Major Axis: 11.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873.5

Radius: 6.7

Gravity: 19.46 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 11.23 AU - 11.35 AU

Year: 24120 Days

Day: 18.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 93,484,662 km

• M1: 87,664 km (0.057 R)
• M2: 339,587 km (0.113 R)
• M3: 628,012 km (0.119 R)
• M4: 1,190,350 km (0.057 R)
• M5: 2,068,490 km (0.106 R)
• M6: 5,666,468 km (0.056 R)
• M7: 9,353,607 km (0.116 R)
• M8: 12,546,175 km (0.088 R)
• M9: 13,140,677 km (0.117 R)
• M10: 15,964,486 km (0.118 R)
• M11: 16,486,134 km (0.077 R)
• M12: 17,839,845 km (0.11 R)
• M13: 19,265,962 km (0.061 R)
• M14: 20,460,501 km (0.087 R)
• M15: 25,263,041 km (0.063 R)
• M16: 27,799,324 km (0.092 R)
• M17: 28,554,045 km (0.067 R)
• M18: 30,766,448 km (0.06 R)
• M19: 31,168,417 km (0.101 R)
• M20: 34,367,418 km (0.057 R)
• M21: 37,169,835 km (0.115 R)
• M22: 41,246,377 km (0.108 R)
• M23: 48,807,053 km (0.054 R)
• M24: 51,581,795 km (0.093 R)
• M25: 65,928,380 km (0.066 R)
• M26: 73,527,653 km (0.111 R)
• M27: 82,977,301 km (0.094 R)
• M28: 85,064,790 km (0.104 R)
• M29: 85,592,123 km (0.104 R)
• M30: 89,616,455 km (0.055 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: 267 - 18,214 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit