🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.56 AU - 0.7 AU

Year: 323 Days

Day: 17.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,234,660 km

• M1: 358,736 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.8

Radius: 13.4

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.99 AU - 1.03 AU

Year: 655 Days

Day: 11.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,234,660 km

• M1: 166,652 km (0.067 R)
• M2: 704,456 km (0.098 R)
• M3: 1,139,038 km (0.093 R)
• M4: 1,562,251 km (0.098 R)
• M5: 2,003,863 km (0.09 R)
• M6: 2,427,824 km (0.067 R)
• M7: 2,900,852 km (0.098 R)
• M8: 3,397,218 km (0.116 R)
• M9: 3,993,216 km (0.1 R)
• M10: 4,438,868 km (0.094 R)
• M11: 5,238,917 km (0.102 R)
• M12: 6,426,725 km (0.095 R)
• M13: 7,342,413 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.9

Radius: 14.4

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.14 AU - 2.72 AU

Year: 2446 Days

Day: 13.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,234,660 km

• M1: 179,218 km (0.064 R)
• M2: 1,620,145 km (0.084 R)
• M3: 2,087,040 km (0.085 R)
• M4: 2,753,947 km (0.119 R)
• M5: 3,816,242 km (0.097 R)
• M6: 4,572,309 km (0.09 R)
• M7: 5,289,930 km (0.052 R)
• M8: 6,167,172 km (0.058 R)
• M9: 7,021,376 km (0.115 R)
• M10: 9,189,947 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932.1

Radius: 5.7

Gravity: 28.69 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.9 AU - 8.66 AU

Year: 12683 Days

Day: 15 Hours

Environment

Temp: -227 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 62,234,660 km

• M1: 201,209 km (0.071 R)
• M2: 458,069 km (0.118 R)
• M3: 680,072 km (0.074 R)
• M4: 1,163,423 km (0.119 R)
• M5: 1,420,881 km (0.091 R)
• M6: 1,940,733 km (0.036 R)
• M7: 2,535,834 km (0.091 R)
• M8: 3,349,048 km (0.105 R)
• M9: 3,618,324 km (0.085 R)
• M10: 4,292,860 km (0.11 R)
• M11: 7,429,329 km (0.109 R)
• M12: 9,378,141 km (0.1 R)
• M13: 10,526,604 km (0.093 R)
• M14: 11,223,431 km (0.051 R)
• M15: 12,012,559 km (0.053 R)
• M16: 12,262,687 km (0.115 R)
• M17: 13,297,904 km (0.092 R)
• M18: 14,601,351 km (0.098 R)
• M19: 14,886,185 km (0.105 R)
• M20: 15,540,825 km (0.081 R)
• M21: 16,366,755 km (0.089 R)
• M22: 18,024,150 km (0.088 R)
• M23: 19,104,246 km (0.117 R)
• M24: 20,492,216 km (0.104 R)
• M25: 20,939,364 km (0.11 R)
• M26: 25,159,220 km (0.071 R)
• M27: 28,120,211 km (0.062 R)
• M28: 32,258,088 km (0.102 R)
• M29: 33,475,665 km (0.065 R)
• M30: 33,722,801 km (0.068 R)
• M31: 35,103,888 km (0.042 R)
• M32: 35,744,018 km (0.084 R)
• M33: 40,025,808 km (0.118 R)
• M34: 41,005,973 km (0.104 R)
• M35: 41,288,863 km (0.052 R)
• M36: 41,573,099 km (0.107 R)
• M37: 45,237,349 km (0.112 R)
• M38: 48,005,059 km (0.115 R)
• M39: 49,911,684 km (0.072 R)
• M40: 50,720,709 km (0.113 R)
• M41: 53,705,935 km (0.05 R)
• M42: 54,384,810 km (0.108 R)
• M43: 56,630,723 km (0.115 R)
• M44: 60,938,393 km (0.114 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 14,427 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit