🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.1

Radius: 9.1

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.32 AU - 1.98 AU

Year: 1368 Days

Day: 14.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,670,894 km

• M1: 113,246 km (0.102 R)
• M2: 432,637 km (0.11 R)
• M3: 932,892 km (0.098 R)
• M4: 1,379,891 km (0.091 R)
• M5: 1,740,870 km (0.087 R)
• M6: 3,628,197 km (0.09 R)
• M7: 4,141,916 km (0.083 R)
• M8: 4,703,357 km (0.091 R)
• M9: 5,084,532 km (0.073 R)
• M10: 5,551,577 km (0.107 R)
• M11: 6,210,855 km (0.114 R)
• M12: 6,596,369 km (0.106 R)
• M13: 8,243,441 km (0.083 R)
• M14: 8,888,806 km (0.1 R)
• M15: 9,504,402 km (0.073 R)
• M16: 10,082,597 km (0.102 R)
• M17: 10,548,295 km (0.091 R)
• M18: 11,379,910 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.4

Radius: 9

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.62 AU - 2.42 AU

Year: 1854 Days

Day: 11.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,670,894 km

• M1: 112,498 km (0.065 R)
• M2: 413,489 km (0.096 R)
• M3: 695,780 km (0.086 R)
• M4: 1,070,223 km (0.079 R)
• M5: 1,812,528 km (0.027 R)
• M6: 2,379,354 km (0.098 R)
• M7: 4,515,163 km (0.114 R)
• M8: 5,236,973 km (0.112 R)
• M9: 6,132,615 km (0.09 R)
• M10: 7,576,384 km (0.108 R)
• M11: 7,985,086 km (0.062 R)
• M12: 9,432,295 km (0.033 R)
• M13: 12,473,171 km (0.081 R)

Asteroid Belt

Center: 3.67 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201

Radius: 10.3

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.17 AU - 5.45 AU

Year: 7901 Days

Day: 9.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,670,894 km

• M1: 131,497 km (0.099 R)
• M2: 1,456,335 km (0.095 R)
• M3: 2,467,617 km (0.106 R)
• M4: 4,465,796 km (0.092 R)
• M5: 7,534,198 km (0.085 R)
• M6: 13,284,141 km (0.115 R)
• M7: 15,844,658 km (0.095 R)
• M8: 21,087,914 km (0.086 R)
• M9: 22,061,497 km (0.096 R)
• M10: 22,919,591 km (0.082 R)
• M11: 24,323,716 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.7

Radius: 13.5

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.41 AU - 6.51 AU

Year: 8238 Days

Day: 7 Hours

Environment

Temp: -213 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,670,894 km

• M1: 221,854 km (0.077 R)
• M2: 838,945 km (0.087 R)
• M3: 1,435,541 km (0.075 R)
• M4: 1,862,045 km (0.084 R)
• M5: 3,668,738 km (0.114 R)
• M6: 7,859,274 km (0.08 R)
• M7: 10,817,272 km (0.119 R)
• M8: 13,942,970 km (0.111 R)
• M9: 22,143,477 km (0.072 R)
• M10: 30,375,399 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.2

Radius: 7.4

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.14 AU - 8.02 AU

Year: 12164 Days

Day: 17.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,670,894 km

• M1: 92,003 km (0.111 R)
• M2: 646,412 km (0.111 R)
• M3: 948,451 km (0.069 R)
• M4: 1,413,999 km (0.119 R)
• M5: 2,396,857 km (0.111 R)
• M6: 3,456,010 km (0.09 R)
• M7: 4,164,655 km (0.035 R)
• M8: 6,322,604 km (0.12 R)
• M9: 6,872,077 km (0.109 R)
• M10: 7,948,584 km (0.119 R)
• M11: 10,525,407 km (0.117 R)
• M12: 11,247,516 km (0.105 R)
• M13: 11,645,895 km (0.087 R)
• M14: 15,604,703 km (0.08 R)
• M15: 18,599,653 km (0.117 R)
• M16: 23,054,079 km (0.093 R)
• M17: 33,483,893 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 994

Radius: 4.7

Gravity: 45 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 9.44 AU - 9.72 AU

Year: 19145 Days

Day: 15.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,670,894 km

• M1: 60,438 km (0.075 R)
• M2: 420,520 km (0.08 R)
• M3: 800,049 km (0.111 R)
• M4: 5,612,763 km (0.111 R)
• M5: 7,526,269 km (0.11 R)
• M6: 14,045,445 km (0.101 R)
• M7: 15,461,538 km (0.117 R)
• M8: 18,300,008 km (0.105 R)
• M9: 22,183,120 km (0.077 R)
• M10: 22,390,463 km (0.055 R)
• M11: 23,020,569 km (0.082 R)
• M12: 23,339,961 km (0.062 R)
• M13: 26,002,503 km (0.077 R)
• M14: 33,666,253 km (0.094 R)
• M15: 34,771,033 km (0.051 R)
• M16: 36,762,330 km (0.069 R)
• M17: 38,230,334 km (0.071 R)
• M18: 40,196,499 km (0.052 R)
• M19: 45,991,173 km (0.116 R)
• M20: 47,350,419 km (0.076 R)
• M21: 47,866,980 km (0.079 R)
• M22: 48,911,323 km (0.106 R)
• M23: 53,426,336 km (0.086 R)
• M24: 64,320,951 km (0.078 R)
• M25: 76,605,479 km (0.098 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 193 - 17,797 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit