🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.91 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.5

Radius: 12

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.68 AU - 1.94 AU

Year: 1652 Days

Day: 12.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,870,460 km

• M1: 149,448 km (0.092 R)
• M2: 817,552 km (0.08 R)
• M3: 1,916,498 km (0.064 R)
• M4: 3,159,058 km (0.103 R)
• M5: 3,828,210 km (0.052 R)
• M6: 4,509,329 km (0.098 R)
• M7: 5,518,516 km (0.109 R)
• M8: 7,100,065 km (0.094 R)
• M9: 7,631,586 km (0.097 R)
• M10: 8,837,943 km (0.082 R)
• M11: 10,591,230 km (0.075 R)
• M12: 12,050,557 km (0.112 R)
• M13: 13,470,839 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.6

Radius: 11.7

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.62 AU - 2.24 AU

Year: 1819 Days

Day: 9.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,870,460 km

• M1: 150,645 km (0.028 R)
• M2: 758,611 km (0.102 R)
• M3: 1,260,811 km (0.117 R)
• M4: 2,369,032 km (0.109 R)
• M5: 2,807,204 km (0.085 R)
• M6: 3,611,592 km (0.107 R)
• M7: 4,905,314 km (0.04 R)
• M8: 5,605,731 km (0.087 R)
• M9: 6,602,951 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.4

Radius: 10.4

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.58 AU - 3.34 AU

Year: 3454 Days

Day: 8.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,870,460 km

• M1: 133,292 km (0.072 R)
• M2: 474,973 km (0.078 R)
• M3: 1,018,462 km (0.029 R)
• M4: 1,925,025 km (0.06 R)
• M5: 2,291,540 km (0.061 R)
• M6: 2,671,369 km (0.109 R)
• M7: 3,641,511 km (0.083 R)
• M8: 4,139,523 km (0.084 R)
• M9: 4,958,571 km (0.064 R)
• M10: 5,352,761 km (0.115 R)
• M11: 7,209,869 km (0.101 R)
• M12: 10,878,308 km (0.114 R)
• M13: 13,111,805 km (0.111 R)
• M14: 15,248,361 km (0.085 R)
• M15: 15,802,771 km (0.113 R)
• M16: 16,834,548 km (0.045 R)
• M17: 18,590,677 km (0.041 R)
• M18: 18,968,711 km (0.068 R)
• M19: 19,610,037 km (0.084 R)
• M20: 22,250,888 km (0.112 R)
• M21: 23,326,796 km (0.07 R)
• M22: 25,737,715 km (0.062 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 689.5

Radius: 6.4

Gravity: 16.83 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 8.3 AU - 8.44 AU

Year: 16424 Days

Day: 24.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,870,460 km

• M1: 79,586 km (0.105 R)
• M2: 353,201 km (0.052 R)
• M3: 671,994 km (0.066 R)
• M4: 924,515 km (0.077 R)
• M5: 1,937,592 km (0.078 R)
• M6: 3,354,134 km (0.091 R)
• M7: 4,451,135 km (0.07 R)
• M8: 4,716,671 km (0.107 R)
• M9: 5,027,984 km (0.081 R)
• M10: 6,125,434 km (0.106 R)
• M11: 6,751,801 km (0.115 R)
• M12: 7,420,054 km (0.095 R)
• M13: 7,699,354 km (0.11 R)
• M14: 12,319,085 km (0.064 R)
• M15: 15,239,834 km (0.066 R)
• M16: 16,152,232 km (0.063 R)
• M17: 17,506,541 km (0.097 R)
• M18: 19,107,687 km (0.115 R)
• M19: 27,697,148 km (0.097 R)
• M20: 39,950,261 km (0.05 R)
• M21: 44,824,309 km (0.062 R)
• M22: 46,375,938 km (0.056 R)
• M23: 51,245,499 km (0.11 R)
• M24: 51,750,391 km (0.111 R)
• M25: 58,803,333 km (0.082 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 361 - 16,566 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit