🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.3

Radius: 8.2

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.49 AU - 0.71 AU

Year: 310 Days

Day: 10.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,783,127 km

• M1: 102,923 km (0.102 R)
• M2: 371,152 km (0.053 R)
• M3: 720,463 km (0.063 R)
• M4: 979,417 km (0.109 R)
• M5: 1,363,734 km (0.105 R)
• M6: 1,865,785 km (0.045 R)
• M7: 2,322,956 km (0.116 R)
• M8: 2,690,069 km (0.039 R)
• M9: 2,995,099 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.7

Radius: 10.6

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.7 AU - 0.92 AU

Year: 486 Days

Day: 8.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,783,127 km

• M1: 133,441 km (0.073 R)
• M2: 596,297 km (0.118 R)
• M3: 1,205,460 km (0.062 R)
• M4: 2,015,532 km (0.091 R)
• M5: 2,428,721 km (0.077 R)
• M6: 2,920,150 km (0.09 R)
• M7: 4,834,854 km (0.113 R)
• M8: 5,264,499 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.6

Radius: 12.4

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.26 AU - 1.94 AU

Year: 1350 Days

Day: 14.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,783,127 km

• M1: 154,235 km (0.101 R)
• M2: 596,896 km (0.082 R)
• M3: 1,052,720 km (0.077 R)
• M4: 1,456,335 km (0.105 R)
• M5: 2,036,027 km (0.097 R)
• M6: 3,082,913 km (0.102 R)
• M7: 3,711,673 km (0.08 R)
• M8: 4,233,769 km (0.057 R)
• M9: 4,621,078 km (0.037 R)
• M10: 5,863,489 km (0.118 R)
• M11: 6,761,076 km (0.06 R)
• M12: 10,038,466 km (0.04 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 582.3

Radius: 7.7

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 8.32 AU - 9.3 AU

Year: 17438 Days

Day: 23.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 65,783,127 km

• M1: 96,042 km (0.095 R)
• M2: 460,013 km (0.103 R)
• M3: 915,988 km (0.119 R)
• M4: 1,223,860 km (0.102 R)
• M5: 1,648,569 km (0.11 R)
• M6: 2,413,762 km (0.097 R)
• M7: 2,700,391 km (0.045 R)
• M8: 3,186,135 km (0.06 R)
• M9: 5,577,607 km (0.1 R)
• M10: 6,081,453 km (0.044 R)
• M11: 8,159,816 km (0.089 R)
• M12: 9,385,322 km (0.108 R)
• M13: 9,655,346 km (0.039 R)
• M14: 10,098,155 km (0.066 R)
• M15: 12,069,556 km (0.103 R)
• M16: 12,978,513 km (0.115 R)
• M17: 13,381,829 km (0.083 R)
• M18: 17,722,112 km (0.079 R)
• M19: 19,763,823 km (0.055 R)
• M20: 20,118,670 km (0.059 R)
• M21: 20,841,227 km (0.089 R)
• M22: 22,723,169 km (0.044 R)
• M23: 23,506,762 km (0.092 R)
• M24: 25,544,435 km (0.056 R)
• M25: 26,606,131 km (0.092 R)
• M26: 29,388,651 km (0.057 R)
• M27: 32,236,845 km (0.068 R)
• M28: 35,786,204 km (0.106 R)
• M29: 39,307,738 km (0.061 R)
• M30: 40,578,572 km (0.051 R)
• M31: 43,800,162 km (0.059 R)
• M32: 45,781,736 km (0.084 R)
• M33: 53,788,662 km (0.119 R)
• M34: 54,828,966 km (0.116 R)
• M35: 57,308,401 km (0.079 R)
• M36: 62,109,595 km (0.097 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 17,242 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit