🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.2

Radius: 8.7

Gravity: 12.69 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.42 AU - 0.6 AU

Year: 243 Days

Day: 13.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,414,942 km

• M1: 108,608 km (0.067 R)
• M2: 391,348 km (0.106 R)
• M3: 826,827 km (0.039 R)
• M4: 1,144,573 km (0.086 R)
• M5: 1,627,176 km (0.102 R)
• M6: 1,982,920 km (0.108 R)
• M7: 2,322,657 km (0.12 R)
• M8: 2,646,087 km (0.066 R)
• M9: 2,940,197 km (0.11 R)
• M10: 3,482,788 km (0.043 R)
• M11: 3,790,212 km (0.105 R)
• M12: 4,066,220 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.4

Radius: 10.5

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.59 AU - 2.15 AU

Year: 1705 Days

Day: 7.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,414,942 km

• M1: 130,599 km (0.032 R)
• M2: 949,946 km (0.097 R)
• M3: 2,129,376 km (0.067 R)
• M4: 2,503,221 km (0.099 R)
• M5: 2,984,478 km (0.088 R)
• M6: 4,165,852 km (0.116 R)
• M7: 4,844,577 km (0.1 R)
• M8: 5,916,895 km (0.055 R)
• M9: 6,596,967 km (0.116 R)
• M10: 7,048,004 km (0.066 R)
• M11: 9,619,592 km (0.064 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 83.6

Radius: 7.2

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.37 AU - 8.69 AU

Year: 12430 Days

Day: 23.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,414,942 km

• M1: 131,197 km (0.06 R)
• M2: 381,325 km (0.113 R)
• M3: 678,127 km (0.083 R)
• M4: 1,012,778 km (0.032 R)
• M5: 1,325,587 km (0.034 R)
• M6: 1,803,702 km (0.086 R)
• M7: 2,119,353 km (0.072 R)
• M8: 2,520,126 km (0.05 R)
• M9: 4,145,207 km (0.087 R)
• M10: 5,860,497 km (0.069 R)
• M11: 6,369,429 km (0.107 R)
• M12: 6,778,130 km (0.096 R)
• M13: 7,788,364 km (0.1 R)
• M14: 10,923,487 km (0.079 R)
• M15: 12,115,932 km (0.112 R)
• M16: 15,195,105 km (0.069 R)
• M17: 16,327,560 km (0.06 R)
• M18: 19,796,585 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 799.4

Radius: 4.5

Gravity: 39.48 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 8.56 AU - 8.56 AU

Year: 16701 Days

Day: 23.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,414,942 km

• M1: 84,672 km (0.098 R)
• M2: 483,949 km (0.118 R)
• M3: 1,138,589 km (0.073 R)
• M4: 1,500,167 km (0.101 R)
• M5: 1,859,801 km (0.082 R)
• M6: 3,651,385 km (0.117 R)
• M7: 3,799,038 km (0.091 R)
• M8: 4,012,664 km (0.103 R)
• M9: 4,298,994 km (0.106 R)
• M10: 6,102,396 km (0.059 R)
• M11: 8,822,534 km (0.08 R)
• M12: 15,007,808 km (0.029 R)
• M13: 17,137,034 km (0.104 R)
• M14: 22,276,320 km (0.107 R)
• M15: 24,090,792 km (0.116 R)
• M16: 26,110,364 km (0.1 R)
• M17: 32,209,319 km (0.069 R)
• M18: 32,841,370 km (0.065 R)
• M19: 37,778,249 km (0.075 R)
• M20: 40,058,121 km (0.116 R)
• M21: 44,889,683 km (0.086 R)
• M22: 45,203,839 km (0.103 R)
• M23: 49,591,096 km (0.117 R)
• M24: 57,889,888 km (0.111 R)
• M25: 62,659,367 km (0.093 R)
• M26: 63,051,912 km (0.09 R)
• M27: 64,040,305 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 473.6

Radius: 3

Gravity: 52.62 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 8.18 AU - 9.76 AU

Year: 17915 Days

Day: 18.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,414,942 km

• M1: 40,541 km (0.115 R)
• M2: 142,567 km (0.089 R)
• M3: 307,872 km (0.079 R)
• M4: 858,542 km (0.079 R)
• M5: 2,046,648 km (0.073 R)
• M6: 2,493,198 km (0.105 R)
• M7: 2,762,474 km (0.101 R)
• M8: 3,888,049 km (0.099 R)
• M9: 8,180,311 km (0.113 R)
• M10: 8,671,740 km (0.12 R)
• M11: 9,130,556 km (0.102 R)
• M12: 12,102,767 km (0.063 R)
• M13: 21,838,447 km (0.116 R)
• M14: 22,212,142 km (0.104 R)
• M15: 23,456,198 km (0.056 R)
• M16: 27,791,844 km (0.09 R)
• M17: 28,341,017 km (0.118 R)
• M18: 36,675,713 km (0.106 R)
• M19: 37,602,622 km (0.051 R)
• M20: 39,918,696 km (0.081 R)
• M21: 41,182,349 km (0.08 R)
• M22: 44,532,593 km (0.105 R)
• M23: 46,658,379 km (0.041 R)
• M24: 49,972,122 km (0.099 R)
• M25: 52,433,006 km (0.1 R)
• M26: 58,665,703 km (0.042 R)
• M27: 60,114,708 km (0.114 R)
• M28: 61,959,399 km (0.029 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.2

Radius: 6.7

Gravity: 9.94 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 9.02 AU - 10.42 AU

Year: 20208 Days

Day: 19.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,414,942 km

• M1: 108,010 km (0.083 R)
• M2: 606,021 km (0.106 R)
• M3: 1,011,730 km (0.113 R)
• M4: 2,807,204 km (0.112 R)
• M5: 4,688,547 km (0.042 R)
• M6: 7,791,955 km (0.098 R)
• M7: 10,355,015 km (0.119 R)
• M8: 11,059,172 km (0.114 R)
• M9: 13,025,487 km (0.05 R)
• M10: 16,907,402 km (0.068 R)
• M11: 17,309,222 km (0.039 R)
• M12: 18,637,950 km (0.056 R)
• M13: 23,723,978 km (0.112 R)
• M14: 28,517,094 km (0.075 R)
• M15: 29,431,735 km (0.042 R)
• M16: 43,163,174 km (0.112 R)
• M17: 51,231,287 km (0.091 R)
• M18: 56,417,247 km (0.029 R)
• M19: 60,062,498 km (0.099 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 18,560 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit