🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.3 AU - 1.82 AU

Year: 698 Days

Day: 25.6 Hours

Environment

Temp: -32 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 85,817,250 km

• M1: 303,684 km (0.067 R)
• M2: 385,813 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.1

Radius: 9.7

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.72 AU - 9.1 AU

Year: 7224 Days

Day: 5.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,817,250 km

• M1: 121,324 km (0.096 R)
• M2: 812,765 km (0.114 R)
• M3: 1,915,302 km (0.073 R)
• M4: 3,148,586 km (0.079 R)
• M5: 4,685,854 km (0.089 R)
• M6: 5,229,493 km (0.057 R)
• M7: 6,613,572 km (0.105 R)
• M8: 10,204,520 km (0.053 R)
• M9: 10,794,384 km (0.111 R)
• M10: 14,527,150 km (0.099 R)
• M11: 18,576,465 km (0.061 R)
• M12: 19,396,710 km (0.04 R)

Planet 3 - Ice Giant

Semi-Major Axis: 14.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907

Radius: 5.5

Gravity: 29.98 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 13.04 AU - 15.22 AU

Year: 19023 Days

Day: 22 Hours

Environment

Temp: -183 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,817,250 km

• M1: 68,516 km (0.108 R)
• M2: 369,058 km (0.096 R)
• M3: 784,491 km (0.098 R)
• M4: 2,427,525 km (0.091 R)
• M5: 3,412,776 km (0.088 R)
• M6: 4,498,857 km (0.112 R)
• M7: 5,714,938 km (0.117 R)
• M8: 6,443,180 km (0.101 R)
• M9: 10,528,848 km (0.104 R)
• M10: 11,486,873 km (0.108 R)
• M11: 13,722,762 km (0.073 R)
• M12: 16,990,578 km (0.093 R)
• M13: 19,498,138 km (0.11 R)
• M14: 25,906,761 km (0.114 R)
• M15: 28,844,713 km (0.051 R)
• M16: 37,652,288 km (0.073 R)
• M17: 50,357,037 km (0.08 R)
• M18: 53,053,688 km (0.051 R)
• M19: 77,937,798 km (0.096 R)
• M20: 79,126,054 km (0.066 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629.3

Radius: 4.7

Gravity: 28.49 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 13.73 AU - 20.17 AU

Year: 24994 Days

Day: 19.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 85,817,250 km

• M1: 59,241 km (0.115 R)
• M2: 371,601 km (0.042 R)
• M3: 637,437 km (0.118 R)
• M4: 864,077 km (0.087 R)
• M5: 1,143,227 km (0.074 R)
• M6: 1,480,421 km (0.065 R)
• M7: 2,064,600 km (0.094 R)
• M8: 2,764,569 km (0.095 R)
• M9: 3,459,002 km (0.065 R)
• M10: 3,960,454 km (0.099 R)
• M11: 6,276,977 km (0.059 R)
• M12: 7,769,515 km (0.102 R)
• M13: 8,515,260 km (0.106 R)
• M14: 11,103,154 km (0.097 R)
• M15: 20,006,621 km (0.039 R)
• M16: 21,913,246 km (0.047 R)
• M17: 24,490,368 km (0.092 R)
• M18: 26,199,524 km (0.109 R)
• M19: 26,433,345 km (0.118 R)
• M20: 28,108,692 km (0.096 R)
• M21: 28,972,320 km (0.114 R)
• M22: 45,129,638 km (0.097 R)
• M23: 45,972,622 km (0.12 R)
• M24: 51,985,110 km (0.072 R)
• M25: 61,129,131 km (0.074 R)
• M26: 61,746,671 km (0.088 R)
• M27: 64,046,738 km (0.076 R)
• M28: 64,258,569 km (0.056 R)
• M29: 65,325,052 km (0.088 R)
• M30: 65,754,846 km (0.097 R)

Kuiper Belt

Range: 30.6 - 52.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 18,491 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit