🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.8

Radius: 10.5

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.59 AU - 0.63 AU

Year: 318 Days

Day: 8 Hours

Environment

Temp: -160 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,653,622 km

• M1: 130,599 km (0.067 R)
• M2: 511,625 km (0.099 R)
• M3: 841,338 km (0.118 R)
• M4: 1,243,308 km (0.079 R)
• M5: 1,641,388 km (0.11 R)
• M6: 2,027,350 km (0.083 R)
• M7: 2,489,907 km (0.108 R)
• M8: 2,828,148 km (0.056 R)
• M9: 3,197,056 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.7

Radius: 13.9

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.54 AU - 0.76 AU

Year: 349 Days

Day: 7.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 53.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,653,622 km

• M1: 172,935 km (0.081 R)
• M2: 625,020 km (0.117 R)
• M3: 1,234,781 km (0.115 R)
• M4: 1,695,692 km (0.072 R)
• M5: 2,320,413 km (0.097 R)
• M6: 3,134,823 km (0.054 R)
• M7: 3,924,551 km (0.082 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 183.7

Radius: 3.1

Gravity: 19.12 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.44 AU - 6.86 AU

Year: 11436 Days

Day: 18.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,653,622 km

• M1: 38,596 km (0.061 R)
• M2: 281,244 km (0.103 R)
• M3: 522,994 km (0.115 R)
• M4: 779,704 km (0.062 R)
• M5: 1,093,860 km (0.087 R)
• M6: 1,296,565 km (0.077 R)
• M7: 1,905,877 km (0.103 R)
• M8: 2,199,388 km (0.092 R)
• M9: 2,630,529 km (0.096 R)
• M10: 2,934,362 km (0.114 R)
• M11: 3,795,896 km (0.068 R)
• M12: 4,412,838 km (0.088 R)
• M13: 8,085,466 km (0.083 R)
• M14: 10,843,452 km (0.074 R)
• M15: 14,397,000 km (0.07 R)
• M16: 14,801,662 km (0.12 R)
• M17: 15,154,563 km (0.101 R)
• M18: 17,520,903 km (0.119 R)
• M19: 20,700,755 km (0.086 R)
• M20: 24,082,564 km (0.111 R)
• M21: 28,532,203 km (0.097 R)
• M22: 32,207,524 km (0.078 R)
• M23: 32,601,415 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 379.1

Radius: 3.4

Gravity: 32.79 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.59 AU - 7.21 AU

Year: 12087 Days

Day: 16.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 44,653,622 km

• M1: 45,328 km (0.082 R)
• M2: 151,991 km (0.117 R)
• M3: 353,201 km (0.052 R)
• M4: 799,601 km (0.038 R)
• M5: 1,053,468 km (0.096 R)
• M6: 1,463,366 km (0.112 R)
• M7: 1,573,770 km (0.102 R)
• M8: 2,529,102 km (0.081 R)
• M9: 2,729,563 km (0.077 R)
• M10: 3,207,827 km (0.083 R)
• M11: 3,714,366 km (0.118 R)
• M12: 4,441,411 km (0.071 R)
• M13: 5,258,664 km (0.066 R)
• M14: 6,424,181 km (0.083 R)
• M15: 6,646,334 km (0.06 R)
• M16: 6,912,020 km (0.081 R)
• M17: 8,003,336 km (0.09 R)
• M18: 8,479,207 km (0.058 R)
• M19: 9,823,643 km (0.109 R)
• M20: 10,118,501 km (0.102 R)
• M21: 13,884,627 km (0.112 R)
• M22: 14,697,542 km (0.052 R)
• M23: 15,278,431 km (0.086 R)
• M24: 15,740,838 km (0.114 R)
• M25: 17,113,099 km (0.053 R)
• M26: 17,755,921 km (0.09 R)
• M27: 18,488,801 km (0.115 R)
• M28: 19,165,432 km (0.104 R)
• M29: 19,625,595 km (0.103 R)
• M30: 22,797,668 km (0.059 R)
• M31: 23,054,977 km (0.104 R)
• M32: 26,483,610 km (0.106 R)
• M33: 29,826,075 km (0.039 R)
• M34: 34,105,323 km (0.075 R)
• M35: 37,929,792 km (0.087 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: 465 - 19,320 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit