🌌 Stone's Star System Generator

Asteroid Belt

Center: 3.28 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.3

Radius: 11.6

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.32 AU - 7.8 AU

Year: 7039 Days

Day: 12.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,970,188 km

• M1: 144,362 km (0.069 R)
• M2: 536,608 km (0.082 R)
• M3: 903,272 km (0.064 R)
• M4: 1,578,258 km (0.061 R)
• M5: 2,175,303 km (0.098 R)
• M6: 3,133,926 km (0.075 R)
• M7: 3,516,747 km (0.045 R)
• M8: 4,127,854 km (0.082 R)
• M9: 5,034,866 km (0.05 R)
• M10: 7,079,270 km (0.118 R)
• M11: 7,950,828 km (0.104 R)
• M12: 8,376,583 km (0.101 R)
• M13: 8,817,448 km (0.113 R)
• M14: 10,996,939 km (0.099 R)
• M15: 11,797,288 km (0.103 R)
• M16: 13,021,298 km (0.111 R)
• M17: 14,432,155 km (0.117 R)
• M18: 14,800,316 km (0.097 R)
• M19: 15,942,645 km (0.039 R)
• M20: 20,045,516 km (0.028 R)
• M21: 21,579,194 km (0.119 R)
• M22: 22,832,973 km (0.115 R)

Planet 2 - Ice Giant

Semi-Major Axis: 15.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 901.1

Radius: 4.9

Gravity: 37.53 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 14.56 AU - 15.64 AU

Year: 24584 Days

Day: 18.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 81,970,188 km

• M1: 62,233 km (0.112 R)
• M2: 243,246 km (0.072 R)
• M3: 467,344 km (0.109 R)
• M4: 884,572 km (0.039 R)
• M5: 1,333,665 km (0.097 R)
• M6: 1,572,722 km (0.099 R)
• M7: 2,540,471 km (0.092 R)
• M8: 3,135,422 km (0.094 R)
• M9: 3,591,246 km (0.104 R)
• M10: 4,302,136 km (0.067 R)
• M11: 4,864,474 km (0.066 R)
• M12: 5,953,098 km (0.105 R)
• M13: 6,133,961 km (0.081 R)
• M14: 7,400,158 km (0.12 R)
• M15: 8,715,123 km (0.058 R)
• M16: 9,366,771 km (0.115 R)
• M17: 12,011,662 km (0.113 R)
• M18: 13,426,409 km (0.05 R)
• M19: 21,761,553 km (0.065 R)
• M20: 23,739,836 km (0.114 R)
• M21: 34,860,792 km (0.077 R)
• M22: 35,301,358 km (0.095 R)
• M23: 39,912,562 km (0.043 R)
• M24: 40,072,782 km (0.063 R)
• M25: 52,774,838 km (0.09 R)
• M26: 54,924,858 km (0.062 R)
• M27: 57,949,727 km (0.104 R)
• M28: 63,452,685 km (0.047 R)
• M29: 68,143,775 km (0.101 R)
• M30: 70,690,828 km (0.078 R)
• M31: 70,925,547 km (0.101 R)
• M32: 75,728,237 km (0.094 R)
• M33: 76,466,952 km (0.099 R)
• M34: 77,958,592 km (0.066 R)
• M35: 80,232,180 km (0.047 R)
• M36: 81,256,776 km (0.095 R)
• M37: 81,772,290 km (0.066 R)
• M38: 88,946,855 km (0.088 R)
• M39: 91,150,581 km (0.067 R)

Planet 3 - Ice Giant

Semi-Major Axis: 17.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 386.9

Radius: 3.4

Gravity: 33.47 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 16.55 AU - 17.75 AU

Year: 29756 Days

Day: 21.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,970,188 km

• M1: 42,935 km (0.082 R)
• M2: 3,177,908 km (0.111 R)
• M3: 4,092,100 km (0.118 R)
• M4: 5,606,629 km (0.051 R)
• M5: 14,507,403 km (0.04 R)
• M6: 15,294,737 km (0.098 R)
• M7: 17,916,290 km (0.05 R)
• M8: 19,757,540 km (0.039 R)
• M9: 23,276,531 km (0.049 R)
• M10: 24,027,064 km (0.104 R)
• M11: 28,264,124 km (0.106 R)
• M12: 29,241,447 km (0.051 R)
• M13: 34,192,538 km (0.099 R)
• M14: 36,291,396 km (0.102 R)
• M15: 37,884,015 km (0.065 R)
• M16: 49,123,453 km (0.085 R)
• M17: 58,777,751 km (0.086 R)
• M18: 68,743,962 km (0.106 R)
• M19: 77,625,288 km (0.112 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: 287 - 11,356 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit