🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.62 AU - 0.68 AU

Year: 338 Days

Day: 41.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,276,895 km

• M1: 403,465 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.6

Radius: 8.5

Gravity: 11.47 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.99 AU - 1.31 AU

Year: 796 Days

Day: 8.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 140.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,276,895 km

• M1: 105,766 km (0.03 R)
• M2: 479,611 km (0.089 R)
• M3: 823,237 km (0.093 R)
• M4: 1,132,905 km (0.043 R)
• M5: 1,404,874 km (0.049 R)
• M6: 1,720,974 km (0.105 R)
• M7: 2,114,566 km (0.1 R)
• M8: 2,625,592 km (0.077 R)
• M9: 3,216,504 km (0.087 R)
• M10: 4,558,397 km (0.091 R)
• M11: 5,240,563 km (0.117 R)
• M12: 5,508,343 km (0.111 R)
• M13: 5,927,367 km (0.083 R)
• M14: 6,197,391 km (0.105 R)
• M15: 6,562,709 km (0.11 R)
• M16: 8,094,442 km (0.108 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 56.9

Radius: 3.7

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.01 AU - 6.61 AU

Year: 10234 Days

Day: 24.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,276,895 km

• M1: 48,021 km (0.081 R)
• M2: 173,833 km (0.086 R)
• M3: 807,679 km (0.049 R)
• M4: 931,546 km (0.025 R)
• M5: 1,332,468 km (0.119 R)
• M6: 1,464,414 km (0.055 R)
• M7: 2,957,700 km (0.071 R)
• M8: 3,514,652 km (0.034 R)
• M9: 5,706,560 km (0.096 R)
• M10: 16,928,794 km (0.112 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426.4

Radius: 7.7

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 9.9 AU - 9.92 AU

Year: 20143 Days

Day: 21.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 65,276,895 km

• M1: 98,735 km (0.089 R)
• M2: 469,588 km (0.085 R)
• M3: 734,526 km (0.114 R)
• M4: 974,481 km (0.065 R)
• M5: 1,215,184 km (0.1 R)
• M6: 2,094,520 km (0.05 R)
• M7: 3,932,629 km (0.117 R)
• M8: 4,298,695 km (0.083 R)
• M9: 6,075,020 km (0.091 R)
• M10: 6,949,868 km (0.11 R)
• M11: 10,940,242 km (0.081 R)
• M12: 11,852,041 km (0.094 R)
• M13: 12,294,402 km (0.047 R)
• M14: 13,011,724 km (0.075 R)
• M15: 14,104,536 km (0.077 R)
• M16: 16,471,773 km (0.07 R)
• M17: 18,078,903 km (0.087 R)
• M18: 19,005,961 km (0.119 R)
• M19: 20,231,167 km (0.118 R)
• M20: 22,357,252 km (0.096 R)
• M21: 23,821,367 km (0.105 R)
• M22: 24,627,849 km (0.117 R)
• M23: 25,766,288 km (0.056 R)
• M24: 28,371,236 km (0.078 R)
• M25: 29,162,908 km (0.1 R)
• M26: 32,846,606 km (0.084 R)
• M27: 33,218,806 km (0.081 R)
• M28: 34,352,159 km (0.111 R)
• M29: 34,735,728 km (0.101 R)
• M30: 37,635,533 km (0.097 R)
• M31: 38,316,503 km (0.109 R)
• M32: 39,562,653 km (0.088 R)
• M33: 40,125,141 km (0.053 R)
• M34: 41,122,211 km (0.054 R)
• M35: 43,017,765 km (0.115 R)
• M36: 56,157,096 km (0.111 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 13,112 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit