🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.65 AU - 0.85 AU

Year: 242 Days

Day: 14.1 Hours

Environment

Temp: 180 °C

Axial Tilt: 36 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.29 AU - 1.71 AU

Year: 685 Days

Day: 18.6 Hours

Environment

Temp: -43 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,004,432 km

• M1: 140,173 km (0.06 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.84 AU - 2.3 AU

Year: 1110 Days

Day: 42.3 Hours

Environment

Temp: -82 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.17 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 16.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617.2

Radius: 3.5

Gravity: 50.38 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 13.5 AU - 19.02 AU

Year: 24442 Days

Day: 23.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 177.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 84,004,432 km

• M1: 46,076 km (0.091 R)
• M2: 264,190 km (0.099 R)
• M3: 1,175,390 km (0.111 R)
• M4: 1,293,423 km (0.112 R)
• M5: 1,677,890 km (0.07 R)
• M6: 1,906,475 km (0.07 R)
• M7: 2,379,205 km (0.074 R)
• M8: 3,115,974 km (0.093 R)
• M9: 3,228,472 km (0.119 R)
• M10: 3,343,512 km (0.085 R)
• M11: 3,863,664 km (0.092 R)
• M12: 4,059,488 km (0.058 R)
• M13: 6,443,479 km (0.102 R)
• M14: 8,004,533 km (0.056 R)
• M15: 9,982,068 km (0.07 R)
• M16: 10,475,740 km (0.067 R)
• M17: 14,165,422 km (0.094 R)
• M18: 17,025,584 km (0.03 R)
• M19: 17,729,442 km (0.1 R)
• M20: 19,573,535 km (0.067 R)
• M21: 20,541,732 km (0.102 R)
• M22: 22,260,313 km (0.103 R)
• M23: 24,291,852 km (0.095 R)
• M24: 26,560,204 km (0.119 R)
• M25: 28,965,738 km (0.072 R)
• M26: 32,571,645 km (0.043 R)
• M27: 33,110,048 km (0.043 R)
• M28: 41,282,580 km (0.065 R)
• M29: 41,439,508 km (0.032 R)
• M30: 46,336,893 km (0.104 R)
• M31: 47,188,853 km (0.101 R)
• M32: 49,099,966 km (0.074 R)
• M33: 50,881,527 km (0.11 R)
• M34: 51,606,029 km (0.052 R)
• M35: 53,075,679 km (0.082 R)
• M36: 55,522,951 km (0.102 R)
• M37: 59,034,013 km (0.114 R)
• M38: 59,233,427 km (0.114 R)
• M39: 65,422,889 km (0.114 R)
• M40: 67,577,996 km (0.045 R)
• M41: 70,898,919 km (0.101 R)
• M42: 72,029,580 km (0.093 R)
• M43: 78,584,061 km (0.119 R)
• M44: 78,825,212 km (0.12 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 311 - 19,955 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit