🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.9

Radius: 13.3

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.85 AU - 1.19 AU

Year: 699 Days

Day: 9.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,459,393 km

• M1: 165,455 km (0.072 R)
• M2: 679,174 km (0.113 R)
• M3: 1,139,038 km (0.058 R)
• M4: 1,779,467 km (0.046 R)
• M5: 2,336,420 km (0.106 R)
• M6: 3,048,805 km (0.098 R)
• M7: 3,677,864 km (0.11 R)
• M8: 4,262,941 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.6

Radius: 12.3

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.9 AU - 1.38 AU

Year: 826 Days

Day: 14.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,459,393 km

• M1: 153,338 km (0.055 R)
• M2: 667,207 km (0.069 R)
• M3: 1,054,964 km (0.098 R)
• M4: 1,862,493 km (0.116 R)
• M5: 2,281,068 km (0.058 R)
• M6: 3,072,291 km (0.064 R)
• M7: 3,733,364 km (0.086 R)
• M8: 4,552,114 km (0.103 R)
• M9: 6,059,462 km (0.101 R)
• M10: 6,462,927 km (0.069 R)
• M11: 7,014,345 km (0.111 R)
• M12: 7,414,370 km (0.05 R)
• M13: 8,187,641 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.8

Radius: 11.2

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.54 AU - 1.58 AU

Year: 1322 Days

Day: 14.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,459,393 km

• M1: 139,276 km (0.107 R)
• M2: 676,182 km (0.055 R)
• M3: 1,117,197 km (0.066 R)
• M4: 1,489,546 km (0.101 R)
• M5: 2,955,306 km (0.06 R)
• M6: 3,752,064 km (0.095 R)
• M7: 4,119,477 km (0.043 R)
• M8: 4,785,785 km (0.078 R)
• M9: 6,236,885 km (0.119 R)
• M10: 6,629,130 km (0.066 R)
• M11: 7,142,700 km (0.039 R)
• M12: 8,105,213 km (0.085 R)
• M13: 8,935,780 km (0.071 R)
• M14: 9,371,858 km (0.038 R)
• M15: 10,490,551 km (0.116 R)
• M16: 11,513,202 km (0.104 R)
• M17: 13,592,762 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.3

Radius: 8.1

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.8 AU - 2.24 AU

Year: 1947 Days

Day: 12.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,459,393 km

• M1: 107,860 km (0.056 R)
• M2: 510,877 km (0.076 R)
• M3: 858,542 km (0.11 R)
• M4: 1,587,832 km (0.048 R)
• M5: 2,833,384 km (0.053 R)
• M6: 4,110,650 km (0.106 R)
• M7: 4,394,737 km (0.062 R)
• M8: 7,661,057 km (0.047 R)
• M9: 8,601,429 km (0.094 R)
• M10: 8,879,232 km (0.051 R)
• M11: 9,355,701 km (0.093 R)
• M12: 10,498,629 km (0.073 R)
• M13: 11,286,262 km (0.118 R)
• M14: 12,540,640 km (0.085 R)
• M15: 13,885,525 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.7

Radius: 8.6

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.88 AU - 6.32 AU

Year: 8988 Days

Day: 6 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,459,393 km

• M1: 106,962 km (0.038 R)
• M2: 423,661 km (0.118 R)
• M3: 922,869 km (0.036 R)
• M4: 1,372,560 km (0.108 R)
• M5: 1,661,733 km (0.115 R)
• M6: 2,051,136 km (0.078 R)
• M7: 2,804,661 km (0.113 R)
• M8: 3,194,064 km (0.103 R)
• M9: 3,509,716 km (0.091 R)
• M10: 4,203,700 km (0.104 R)
• M11: 5,770,588 km (0.046 R)
• M12: 7,328,650 km (0.086 R)
• M13: 15,840,021 km (0.117 R)
• M14: 16,761,693 km (0.085 R)
• M15: 17,331,512 km (0.091 R)
• M16: 17,979,869 km (0.107 R)
• M17: 18,644,233 km (0.118 R)
• M18: 18,982,474 km (0.119 R)
• M19: 19,256,088 km (0.049 R)
• M20: 19,881,108 km (0.11 R)
• M21: 21,025,831 km (0.12 R)
• M22: 21,540,149 km (0.088 R)
• M23: 23,211,606 km (0.032 R)
• M24: 24,238,894 km (0.063 R)
• M25: 32,782,728 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.9

Radius: 4.9

Gravity: 26.61 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 5.84 AU - 6.86 AU

Year: 10853 Days

Day: 20.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 49,459,393 km

• M1: 61,036 km (0.08 R)
• M2: 312,360 km (0.119 R)
• M3: 805,285 km (0.086 R)
• M4: 1,022,501 km (0.085 R)
• M5: 1,490,294 km (0.113 R)
• M6: 1,901,539 km (0.097 R)
• M7: 2,142,840 km (0.077 R)
• M8: 2,624,545 km (0.111 R)
• M9: 3,270,060 km (0.102 R)
• M10: 3,906,898 km (0.072 R)
• M11: 4,622,724 km (0.111 R)
• M12: 6,887,187 km (0.113 R)
• M13: 7,498,743 km (0.11 R)
• M14: 11,439,749 km (0.081 R)
• M15: 11,607,598 km (0.098 R)
• M16: 13,752,532 km (0.066 R)
• M17: 21,068,018 km (0.114 R)
• M18: 22,612,915 km (0.071 R)
• M19: 24,508,918 km (0.06 R)
• M20: 25,069,462 km (0.038 R)
• M21: 26,704,118 km (0.107 R)
• M22: 30,612,362 km (0.118 R)
• M23: 30,936,241 km (0.103 R)
• M24: 32,143,346 km (0.095 R)
• M25: 33,724,596 km (0.045 R)
• M26: 35,357,008 km (0.074 R)
• M27: 38,652,499 km (0.101 R)
• M28: 40,309,894 km (0.114 R)
• M29: 40,698,849 km (0.104 R)
• M30: 44,867,244 km (0.096 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: 264 - 15,251 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit