🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.7

Radius: 11.8

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.48 AU - 0.64 AU

Year: 279 Days

Day: 5.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,172,744 km

• M1: 146,756 km (0.12 R)
• M2: 598,691 km (0.115 R)
• M3: 991,983 km (0.078 R)
• M4: 1,495,231 km (0.03 R)
• M5: 2,180,389 km (0.061 R)
• M6: 2,883,200 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.7

Radius: 8.8

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.74 AU - 0.86 AU

Year: 477 Days

Day: 6.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,172,744 km

• M1: 109,506 km (0.098 R)
• M2: 484,398 km (0.106 R)
• M3: 826,079 km (0.072 R)
• M4: 1,346,680 km (0.117 R)
• M5: 2,262,069 km (0.106 R)
• M6: 2,712,658 km (0.059 R)
• M7: 3,274,398 km (0.079 R)
• M8: 3,656,471 km (0.067 R)
• M9: 4,316,946 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.4

Radius: 10.1

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.83 AU - 1.35 AU

Year: 759 Days

Day: 5.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,172,744 km

• M1: 125,662 km (0.118 R)
• M2: 611,706 km (0.106 R)
• M3: 1,257,968 km (0.098 R)
• M4: 1,625,530 km (0.056 R)
• M5: 2,286,304 km (0.074 R)
• M6: 3,788,416 km (0.11 R)
• M7: 4,138,027 km (0.115 R)
• M8: 4,855,648 km (0.093 R)
• M9: 5,400,932 km (0.055 R)
• M10: 5,775,226 km (0.069 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 28.8

Radius: 4.6

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 7.18 AU - 7.54 AU

Year: 13315 Days

Day: 23.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,172,744 km

• M1: 57,146 km (0.073 R)
• M2: 639,232 km (0.102 R)
• M3: 1,268,889 km (0.113 R)
• M4: 2,092,725 km (0.111 R)
• M5: 2,423,785 km (0.119 R)
• M6: 3,496,102 km (0.075 R)
• M7: 4,084,321 km (0.094 R)
• M8: 4,467,591 km (0.049 R)
• M9: 4,897,834 km (0.091 R)
• M10: 7,627,995 km (0.081 R)
• M11: 9,276,414 km (0.104 R)
• M12: 13,625,673 km (0.04 R)
• M13: 16,446,940 km (0.069 R)
• M14: 19,105,892 km (0.12 R)
• M15: 19,339,714 km (0.052 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 15,021 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit