🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.5

Radius: 14.5

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.68 AU - 0.78 AU

Year: 409 Days

Day: 5.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,661,472 km

• M1: 180,265 km (0.113 R)
• M2: 640,279 km (0.107 R)
• M3: 1,105,977 km (0.085 R)
• M4: 1,841,400 km (0.067 R)
• M5: 2,344,797 km (0.107 R)
• M6: 2,899,506 km (0.081 R)
• M7: 3,784,677 km (0.053 R)
• M8: 4,888,110 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.9

Radius: 10.3

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.63 AU - 0.91 AU

Year: 443 Days

Day: 12.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,661,472 km

• M1: 135,685 km (0.069 R)
• M2: 668,702 km (0.07 R)
• M3: 1,428,660 km (0.09 R)
• M4: 2,138,950 km (0.106 R)
• M5: 2,505,465 km (0.114 R)
• M6: 3,069,898 km (0.044 R)
• M7: 3,452,270 km (0.065 R)
• M8: 4,031,663 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.7

Radius: 8.5

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.16 AU - 1.28 AU

Year: 884 Days

Day: 9.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,661,472 km

• M1: 105,915 km (0.04 R)
• M2: 415,882 km (0.074 R)
• M3: 903,870 km (0.088 R)
• M4: 1,417,589 km (0.103 R)
• M5: 1,950,008 km (0.107 R)
• M6: 2,226,764 km (0.095 R)
• M7: 2,644,741 km (0.12 R)
• M8: 3,594,986 km (0.071 R)
• M9: 4,014,459 km (0.116 R)
• M10: 4,618,535 km (0.117 R)
• M11: 4,987,593 km (0.077 R)
• M12: 5,705,513 km (0.082 R)
• M13: 6,362,098 km (0.098 R)
• M14: 6,664,884 km (0.118 R)
• M15: 7,136,866 km (0.119 R)
• M16: 8,173,130 km (0.077 R)
• M17: 8,687,896 km (0.108 R)
• M18: 8,980,211 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47

Radius: 14.3

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.21 AU - 2.39 AU

Year: 2288 Days

Day: 10.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,661,472 km

• M1: 178,470 km (0.072 R)
• M2: 689,796 km (0.082 R)
• M3: 1,179,280 km (0.108 R)
• M4: 1,764,208 km (0.084 R)
• M5: 2,885,145 km (0.116 R)
• M6: 3,372,385 km (0.035 R)
• M7: 3,984,838 km (0.101 R)
• M8: 5,042,944 km (0.047 R)
• M9: 6,982,032 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 968.1

Radius: 4.3

Gravity: 52.36 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 6.78 AU - 7.82 AU

Year: 12939 Days

Day: 20.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 44,661,472 km

• M1: 53,556 km (0.073 R)
• M2: 240,105 km (0.113 R)
• M3: 401,371 km (0.052 R)
• M4: 548,875 km (0.08 R)
• M5: 829,969 km (0.086 R)
• M6: 1,380,639 km (0.114 R)
• M7: 3,105,951 km (0.062 R)
• M8: 4,046,622 km (0.051 R)
• M9: 4,324,426 km (0.07 R)
• M10: 4,714,427 km (0.114 R)
• M11: 5,415,892 km (0.106 R)
• M12: 5,715,237 km (0.033 R)
• M13: 6,064,847 km (0.096 R)
• M14: 6,553,135 km (0.096 R)
• M15: 8,469,334 km (0.116 R)
• M16: 9,393,998 km (0.054 R)
• M17: 9,554,517 km (0.104 R)
• M18: 12,059,683 km (0.097 R)
• M19: 12,312,952 km (0.118 R)
• M20: 18,821,058 km (0.079 R)
• M21: 21,755,869 km (0.077 R)
• M22: 22,991,248 km (0.114 R)
• M23: 24,373,083 km (0.119 R)
• M24: 31,161,087 km (0.04 R)
• M25: 37,743,692 km (0.068 R)
• M26: 48,144,784 km (0.067 R)
• M27: 48,303,507 km (0.081 R)
• M28: 51,220,366 km (0.073 R)
• M29: 52,890,626 km (0.046 R)
• M30: 62,351,944 km (0.114 R)
• M31: 62,729,529 km (0.107 R)
• M32: 63,298,599 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97.8

Radius: 7.1

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 10.96 AU - 10.96 AU

Year: 23803 Days

Day: 17.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,661,472 km

• M1: 92,601 km (0.103 R)
• M2: 418,874 km (0.116 R)
• M3: 743,801 km (0.115 R)
• M4: 965,654 km (0.119 R)
• M5: 1,209,499 km (0.077 R)
• M6: 1,548,936 km (0.08 R)
• M7: 2,133,415 km (0.086 R)
• M8: 7,423,495 km (0.078 R)
• M9: 12,499,500 km (0.086 R)
• M10: 14,477,783 km (0.119 R)
• M11: 20,596,336 km (0.12 R)
• M12: 21,981,313 km (0.107 R)
• M13: 26,318,753 km (0.034 R)
• M14: 27,850,037 km (0.055 R)
• M15: 33,017,297 km (0.08 R)
• M16: 34,910,159 km (0.099 R)
• M17: 35,365,834 km (0.114 R)
• M18: 42,426,704 km (0.093 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 12,252 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit