🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.2

Radius: 11.5

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.5 AU - 0.6 AU

Year: 287 Days

Day: 12.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 74.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 89,385,845 km

• M1: 143,016 km (0.066 R)
• M2: 533,167 km (0.068 R)
• M3: 905,067 km (0.066 R)
• M4: 1,329,476 km (0.085 R)
• M5: 1,833,920 km (0.08 R)
• M6: 2,423,486 km (0.069 R)
• M7: 2,863,004 km (0.072 R)
• M8: 3,692,973 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.7

Radius: 8.9

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.05 AU - 1.19 AU

Year: 833 Days

Day: 5 Hours

Environment

Temp: -189 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 89,385,845 km

• M1: 110,702 km (0.107 R)
• M2: 390,151 km (0.042 R)
• M3: 854,653 km (0.092 R)
• M4: 1,512,734 km (0.104 R)
• M5: 1,829,432 km (0.109 R)
• M6: 2,210,757 km (0.102 R)
• M7: 2,931,969 km (0.118 R)
• M8: 3,498,945 km (0.12 R)
• M9: 4,678,374 km (0.055 R)
• M10: 5,302,945 km (0.086 R)
• M11: 5,625,778 km (0.115 R)
• M12: 6,022,361 km (0.064 R)
• M13: 6,871,778 km (0.072 R)
• M14: 7,798,836 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.3

Radius: 8.6

Gravity: 10.89 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.14 AU - 1.58 AU

Year: 1115 Days

Day: 11.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 89,385,845 km

• M1: 106,962 km (0.111 R)
• M2: 411,095 km (0.096 R)
• M3: 714,330 km (0.09 R)
• M4: 1,116,449 km (0.103 R)
• M5: 1,456,335 km (0.058 R)
• M6: 1,904,979 km (0.116 R)
• M7: 2,652,819 km (0.062 R)
• M8: 2,955,456 km (0.115 R)
• M9: 3,662,156 km (0.058 R)
• M10: 4,333,402 km (0.101 R)
• M11: 4,812,115 km (0.094 R)
• M12: 5,204,061 km (0.091 R)
• M13: 6,074,272 km (0.11 R)
• M14: 6,532,490 km (0.096 R)
• M15: 7,832,496 km (0.084 R)
• M16: 8,943,858 km (0.058 R)
• M17: 10,541,414 km (0.087 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917.3

Radius: 5.1

Gravity: 35.27 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 5.41 AU - 7.15 AU

Year: 11062 Days

Day: 19.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 84.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 89,385,845 km

• M1: 96,939 km (0.097 R)
• M2: 376,388 km (0.069 R)
• M3: 732,431 km (0.054 R)
• M4: 1,895,854 km (0.112 R)
• M5: 2,719,091 km (0.113 R)
• M6: 7,376,521 km (0.104 R)
• M7: 11,597,874 km (0.067 R)
• M8: 12,256,254 km (0.085 R)
• M9: 13,066,028 km (0.097 R)
• M10: 17,656,438 km (0.099 R)
• M11: 20,181,650 km (0.106 R)
• M12: 22,845,091 km (0.08 R)
• M13: 23,592,931 km (0.056 R)
• M14: 24,164,544 km (0.078 R)
• M15: 38,269,678 km (0.103 R)
• M16: 38,926,114 km (0.036 R)
• M17: 41,489,174 km (0.12 R)
• M18: 44,739,637 km (0.096 R)
• M19: 47,700,627 km (0.052 R)
• M20: 48,767,111 km (0.113 R)
• M21: 51,264,348 km (0.049 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 844.7

Radius: 5.3

Gravity: 30.07 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 8.97 AU - 11.45 AU

Year: 22932 Days

Day: 15.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,385,845 km

• M1: 66,721 km (0.104 R)
• M2: 367,412 km (0.107 R)
• M3: 708,047 km (0.119 R)
• M4: 1,016,966 km (0.067 R)
• M5: 1,728,155 km (0.113 R)
• M6: 2,047,696 km (0.099 R)
• M7: 2,382,346 km (0.091 R)
• M8: 2,965,329 km (0.102 R)
• M9: 3,189,127 km (0.026 R)
• M10: 8,205,144 km (0.086 R)
• M11: 16,005,327 km (0.12 R)
• M12: 19,943,640 km (0.108 R)
• M13: 21,977,423 km (0.07 R)
• M14: 29,408,249 km (0.106 R)
• M15: 30,966,011 km (0.066 R)
• M16: 37,747,732 km (0.109 R)
• M17: 45,797,743 km (0.054 R)
• M18: 49,314,040 km (0.04 R)
• M19: 54,919,473 km (0.037 R)
• M20: 62,610,150 km (0.068 R)
• M21: 68,714,940 km (0.083 R)
• M22: 72,142,975 km (0.111 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: 482 - 19,073 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit