🌌 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: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.64 AU - 0.68 AU

Year: 346 Days

Day: 26.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.4

Radius: 9.3

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.69 AU - 0.79 AU

Year: 411 Days

Day: 5.4 Hours

Environment

Temp: -134 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,603,175 km

• M1: 116,387 km (0.106 R)
• M2: 414,984 km (0.074 R)
• M3: 808,726 km (0.119 R)
• M4: 1,200,673 km (0.082 R)
• M5: 1,511,537 km (0.036 R)
• M6: 1,822,850 km (0.111 R)
• M7: 2,509,953 km (0.107 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.1

Radius: 4.8

Gravity: 35.07 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 6.79 AU - 8.57 AU

Year: 13742 Days

Day: 17.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 62,603,175 km

• M1: 59,690 km (0.027 R)
• M2: 217,067 km (0.026 R)
• M3: 412,441 km (0.073 R)
• M4: 791,223 km (0.075 R)
• M5: 1,002,156 km (0.106 R)
• M6: 2,090,032 km (0.111 R)
• M7: 2,389,976 km (0.105 R)
• M8: 2,539,723 km (0.12 R)
• M9: 2,787,457 km (0.073 R)
• M10: 3,227,724 km (0.09 R)
• M11: 3,741,293 km (0.083 R)
• M12: 4,276,255 km (0.066 R)
• M13: 5,683,373 km (0.058 R)
• M14: 7,194,910 km (0.065 R)
• M15: 7,645,498 km (0.074 R)
• M16: 8,602,626 km (0.108 R)
• M17: 9,370,960 km (0.042 R)
• M18: 9,962,919 km (0.096 R)
• M19: 10,984,523 km (0.077 R)
• M20: 11,887,795 km (0.049 R)
• M21: 13,434,487 km (0.118 R)
• M22: 13,772,728 km (0.117 R)
• M23: 14,821,708 km (0.118 R)
• M24: 16,609,253 km (0.083 R)
• M25: 17,077,644 km (0.067 R)
• M26: 17,635,195 km (0.083 R)
• M27: 19,039,471 km (0.091 R)
• M28: 21,146,407 km (0.099 R)
• M29: 21,881,980 km (0.095 R)
• M30: 24,390,138 km (0.097 R)
• M31: 25,609,809 km (0.118 R)
• M32: 31,723,126 km (0.091 R)
• M33: 41,958,912 km (0.079 R)
• M34: 47,502,111 km (0.107 R)
• M35: 49,239,541 km (0.107 R)
• M36: 51,018,858 km (0.116 R)
• M37: 54,022,334 km (0.032 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 18,286 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit