🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.86 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.4 AU - 2.02 AU

Year: 817 Days

Day: 12.1 Hours

Environment

Temp: -46 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.6 AU - 2.04 AU

Year: 897 Days

Day: 41.2 Hours

Environment

Temp: -51 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.91 AU - 2.09 AU

Year: 1033 Days

Day: 38.2 Hours

Environment

Temp: -72 °C

Axial Tilt: 47.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Ice Giant

Semi-Major Axis: 14.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 636.5

Radius: 4.7

Gravity: 28.81 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 11.4 AU - 17.62 AU

Year: 20188 Days

Day: 20.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 101,476,411 km

• M1: 58,642 km (0.112 R)
• M2: 222,452 km (0.05 R)
• M3: 438,322 km (0.065 R)
• M4: 655,687 km (0.091 R)
• M5: 990,637 km (0.092 R)
• M6: 1,714,840 km (0.068 R)
• M7: 2,716,997 km (0.044 R)
• M8: 3,658,865 km (0.117 R)
• M9: 4,764,991 km (0.073 R)
• M10: 4,981,160 km (0.113 R)
• M11: 5,203,762 km (0.092 R)
• M12: 5,394,200 km (0.108 R)
• M13: 6,681,490 km (0.105 R)
• M14: 7,809,308 km (0.103 R)
• M15: 8,949,543 km (0.064 R)
• M16: 9,223,307 km (0.07 R)
• M17: 11,490,313 km (0.067 R)
• M18: 13,239,412 km (0.116 R)
• M19: 14,103,489 km (0.111 R)
• M20: 15,081,261 km (0.102 R)
• M21: 16,345,662 km (0.079 R)
• M22: 23,428,822 km (0.119 R)
• M23: 24,904,455 km (0.03 R)
• M24: 25,995,622 km (0.074 R)
• M25: 28,981,147 km (0.037 R)
• M26: 33,612,398 km (0.118 R)
• M27: 35,214,142 km (0.105 R)
• M28: 38,713,236 km (0.111 R)
• M29: 41,220,646 km (0.069 R)
• M30: 43,834,121 km (0.056 R)
• M31: 44,941,744 km (0.107 R)
• M32: 47,708,855 km (0.101 R)
• M33: 59,335,901 km (0.055 R)
• M34: 64,877,455 km (0.092 R)
• M35: 70,538,089 km (0.113 R)
• M36: 71,186,745 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.5

Radius: 6.1

Gravity: 26.32 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 15.93 AU - 18.21 AU

Year: 25760 Days

Day: 15.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 101,476,411 km

• M1: 82,877 km (0.116 R)
• M2: 309,069 km (0.11 R)
• M3: 1,041,949 km (0.067 R)
• M4: 1,442,871 km (0.099 R)
• M5: 1,941,631 km (0.108 R)
• M6: 2,600,460 km (0.113 R)
• M7: 3,009,760 km (0.063 R)
• M8: 4,574,104 km (0.038 R)
• M9: 9,377,692 km (0.104 R)
• M10: 16,580,979 km (0.105 R)
• M11: 19,962,789 km (0.101 R)
• M12: 21,869,114 km (0.111 R)
• M13: 25,672,939 km (0.118 R)
• M14: 33,823,181 km (0.117 R)
• M15: 52,972,456 km (0.117 R)
• M16: 53,566,061 km (0.051 R)
• M17: 53,964,290 km (0.117 R)
• M18: 55,984,909 km (0.063 R)
• M19: 66,848,407 km (0.099 R)
• M20: 75,985,695 km (0.078 R)
• M21: 80,590,168 km (0.105 R)
• M22: 83,226,980 km (0.106 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: 199 - 13,983 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit