🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.9

Radius: 14.8

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.84 AU - 0.98 AU

Year: 569 Days

Day: 10.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 73,617,973 km

• M1: 184,005 km (0.098 R)
• M2: 669,002 km (0.115 R)
• M3: 1,289,534 km (0.113 R)
• M4: 2,190,262 km (0.117 R)
• M5: 4,412,539 km (0.115 R)
• M6: 5,172,496 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.4

Radius: 11.8

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.26 AU - 1.56 AU

Year: 1098 Days

Day: 12 Hours

Environment

Temp: -171 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 73,617,973 km

• M1: 146,756 km (0.081 R)
• M2: 686,953 km (0.115 R)
• M3: 1,630,617 km (0.037 R)
• M4: 2,811,991 km (0.11 R)
• M5: 4,428,396 km (0.119 R)
• M6: 4,918,628 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.2

Radius: 13.6

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.49 AU - 2.37 AU

Year: 1759 Days

Day: 7.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,617,973 km

• M1: 169,195 km (0.117 R)
• M2: 622,477 km (0.082 R)
• M3: 1,334,263 km (0.093 R)
• M4: 1,784,403 km (0.058 R)
• M5: 2,291,241 km (0.1 R)
• M6: 2,773,545 km (0.095 R)
• M7: 3,399,462 km (0.027 R)
• M8: 5,036,960 km (0.063 R)
• M9: 5,751,290 km (0.117 R)
• M10: 6,948,821 km (0.105 R)
• M11: 7,673,623 km (0.086 R)
• M12: 8,534,559 km (0.068 R)
• M13: 10,382,840 km (0.102 R)
• M14: 10,883,993 km (0.073 R)
• M15: 11,791,005 km (0.098 R)
• M16: 12,373,689 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.7

Radius: 8.1

Gravity: 12.81 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.54 AU - 5.5 AU

Year: 7378 Days

Day: 12.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,617,973 km

• M1: 100,829 km (0.118 R)
• M2: 365,468 km (0.047 R)
• M3: 738,415 km (0.11 R)
• M4: 1,078,601 km (0.082 R)
• M5: 2,776,237 km (0.102 R)
• M6: 3,067,056 km (0.119 R)
• M7: 4,276,854 km (0.105 R)
• M8: 5,263,751 km (0.086 R)
• M9: 6,012,638 km (0.083 R)
• M10: 6,538,175 km (0.115 R)
• M11: 6,905,139 km (0.113 R)
• M12: 7,208,673 km (0.084 R)
• M13: 8,426,998 km (0.09 R)
• M14: 8,862,178 km (0.104 R)
• M15: 11,318,126 km (0.113 R)
• M16: 12,338,982 km (0.084 R)
• M17: 13,655,294 km (0.118 R)
• M18: 14,686,621 km (0.043 R)
• M19: 16,767,378 km (0.035 R)
• M20: 21,026,280 km (0.065 R)
• M21: 21,584,579 km (0.049 R)
• M22: 22,564,744 km (0.071 R)
• M23: 24,350,793 km (0.111 R)
• M24: 26,320,997 km (0.056 R)
• M25: 29,175,474 km (0.119 R)
• M26: 32,440,897 km (0.064 R)
• M27: 36,396,863 km (0.102 R)
• M28: 37,086,060 km (0.05 R)
• M29: 39,929,766 km (0.082 R)
• M30: 41,404,801 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.1

Radius: 5.4

Gravity: 19.48 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.97 AU - 12.13 AU

Year: 20901 Days

Day: 17.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,617,973 km

• M1: 67,169 km (0.099 R)
• M2: 248,183 km (0.086 R)
• M3: 2,195,349 km (0.097 R)
• M4: 3,527,368 km (0.117 R)
• M5: 4,363,321 km (0.1 R)
• M6: 5,477,526 km (0.099 R)
• M7: 6,724,873 km (0.045 R)
• M8: 7,414,669 km (0.102 R)
• M9: 9,823,793 km (0.077 R)
• M10: 10,055,071 km (0.077 R)
• M11: 10,649,424 km (0.063 R)
• M12: 14,943,630 km (0.103 R)
• M13: 16,354,638 km (0.072 R)
• M14: 16,679,863 km (0.082 R)
• M15: 20,359,373 km (0.084 R)
• M16: 26,614,957 km (0.116 R)
• M17: 27,979,888 km (0.109 R)
• M18: 32,609,793 km (0.11 R)
• M19: 35,240,022 km (0.042 R)
• M20: 43,816,917 km (0.044 R)
• M21: 46,199,862 km (0.031 R)
• M22: 49,849,002 km (0.106 R)
• M23: 53,507,119 km (0.062 R)
• M24: 58,657,624 km (0.119 R)
• M25: 68,448,356 km (0.04 R)
• M26: 72,738,823 km (0.111 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 459 - 20,108 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit