🌌 Stone's Star System Generator

Asteroid Belt

Center: 4.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.8

Radius: 15

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 7.72 AU - 11 AU

Year: 10905 Days

Day: 6.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,728,792 km

• M1: 186,698 km (0.106 R)
• M2: 770,878 km (0.054 R)
• M3: 2,218,088 km (0.105 R)
• M4: 2,753,798 km (0.089 R)
• M5: 3,322,419 km (0.076 R)
• M6: 4,091,951 km (0.1 R)
• M7: 5,001,954 km (0.081 R)
• M8: 6,688,371 km (0.099 R)
• M9: 7,472,563 km (0.106 R)
• M10: 8,453,028 km (0.084 R)
• M11: 9,891,860 km (0.117 R)
• M12: 10,749,953 km (0.1 R)
• M13: 15,598,121 km (0.108 R)
• M14: 16,438,562 km (0.112 R)
• M15: 19,142,095 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.2

Radius: 11.6

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 8.47 AU - 10.81 AU

Year: 11398 Days

Day: 10.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,728,792 km

• M1: 144,212 km (0.109 R)
• M2: 570,267 km (0.09 R)
• M3: 1,099,096 km (0.082 R)
• M4: 1,529,638 km (0.046 R)
• M5: 2,058,915 km (0.109 R)
• M6: 2,571,587 km (0.118 R)
• M7: 3,286,665 km (0.088 R)
• M8: 3,680,706 km (0.087 R)
• M9: 4,295,404 km (0.059 R)
• M10: 4,951,091 km (0.098 R)
• M11: 6,119,600 km (0.085 R)
• M12: 7,819,481 km (0.119 R)
• M13: 12,128,199 km (0.074 R)
• M14: 14,073,569 km (0.098 R)
• M15: 15,233,850 km (0.045 R)
• M16: 16,159,861 km (0.119 R)
• M17: 16,939,416 km (0.118 R)
• M18: 18,573,922 km (0.099 R)
• M19: 22,817,116 km (0.073 R)
• M20: 23,266,658 km (0.071 R)
• M21: 24,338,377 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 10.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.3

Radius: 14.3

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 10.53 AU - 11.37 AU

Year: 13798 Days

Day: 11.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,728,792 km

• M1: 184,005 km (0.042 R)
• M2: 698,921 km (0.066 R)
• M3: 1,184,815 km (0.114 R)
• M4: 2,137,903 km (0.118 R)
• M5: 5,276,466 km (0.106 R)
• M6: 5,912,108 km (0.085 R)
• M7: 13,950,301 km (0.034 R)
• M8: 17,935,738 km (0.095 R)
• M9: 19,376,515 km (0.077 R)
• M10: 22,216,331 km (0.109 R)
• M11: 23,175,403 km (0.092 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 248.8

Radius: 6.3

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 12.81 AU - 14.95 AU

Year: 19692 Days

Day: 20.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,728,792 km

• M1: 133,591 km (0.101 R)
• M2: 527,183 km (0.072 R)
• M3: 783,594 km (0.097 R)
• M4: 1,043,296 km (0.101 R)
• M5: 1,645,876 km (0.11 R)
• M6: 2,023,910 km (0.093 R)
• M7: 4,806,131 km (0.07 R)
• M8: 7,153,321 km (0.091 R)
• M9: 7,709,377 km (0.1 R)
• M10: 14,208,507 km (0.105 R)
• M11: 18,877,606 km (0.074 R)
• M12: 19,199,391 km (0.085 R)
• M13: 20,103,261 km (0.094 R)
• M14: 23,629,582 km (0.111 R)
• M15: 35,896,907 km (0.049 R)
• M16: 39,059,256 km (0.11 R)
• M17: 43,093,462 km (0.06 R)
• M18: 46,368,010 km (0.093 R)
• M19: 52,928,026 km (0.041 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 19,804 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit