🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.6

Radius: 10.6

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.22 AU - 1.46 AU

Year: 1052 Days

Day: 6.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,378,823 km

• M1: 134,488 km (0.111 R)
• M2: 590,762 km (0.101 R)
• M3: 949,647 km (0.062 R)
• M4: 1,310,477 km (0.066 R)
• M5: 1,917,994 km (0.102 R)
• M6: 2,418,250 km (0.029 R)
• M7: 3,449,577 km (0.065 R)
• M8: 3,790,960 km (0.028 R)
• M9: 4,298,994 km (0.118 R)
• M10: 5,012,426 km (0.113 R)

Planet 2 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.6

Radius: 8

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.57 AU - 6.19 AU

Year: 9671 Days

Day: 19.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 54.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,378,823 km

• M1: 99,483 km (0.085 R)
• M2: 506,239 km (0.071 R)
• M3: 960,718 km (0.092 R)
• M4: 1,358,947 km (0.119 R)
• M5: 2,234,843 km (0.119 R)
• M6: 5,532,428 km (0.074 R)
• M7: 5,921,682 km (0.091 R)
• M8: 6,356,713 km (0.12 R)
• M9: 8,280,541 km (0.109 R)
• M10: 13,098,191 km (0.095 R)
• M11: 15,755,049 km (0.072 R)
• M12: 19,452,211 km (0.086 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.2

Radius: 6

Gravity: 16.39 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.31 AU - 10.13 AU

Year: 15984 Days

Day: 17.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,378,823 km

• M1: 75,547 km (0.118 R)
• M2: 536,458 km (0.1 R)
• M3: 872,604 km (0.115 R)
• M4: 1,341,743 km (0.116 R)
• M5: 1,562,400 km (0.081 R)
• M6: 2,134,612 km (0.054 R)
• M7: 3,103,109 km (0.082 R)
• M8: 5,026,339 km (0.076 R)
• M9: 7,005,369 km (0.098 R)
• M10: 7,223,782 km (0.1 R)
• M11: 11,307,654 km (0.096 R)
• M12: 11,547,908 km (0.118 R)
• M13: 13,459,919 km (0.087 R)
• M14: 14,561,408 km (0.043 R)
• M15: 15,946,086 km (0.081 R)
• M16: 17,336,598 km (0.1 R)
• M17: 24,703,096 km (0.056 R)
• M18: 26,139,386 km (0.093 R)
• M19: 29,972,083 km (0.088 R)
• M20: 32,684,891 km (0.083 R)
• M21: 33,665,505 km (0.117 R)
• M22: 37,120,318 km (0.113 R)
• M23: 41,086,158 km (0.11 R)
• M24: 51,309,676 km (0.102 R)
• M25: 53,471,964 km (0.064 R)
• M26: 54,149,343 km (0.098 R)
• M27: 59,775,420 km (0.085 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.4

Radius: 6.4

Gravity: 13.49 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 7.49 AU - 11.21 AU

Year: 19391 Days

Day: 17.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,378,823 km

• M1: 80,783 km (0.061 R)
• M2: 1,049,579 km (0.04 R)
• M3: 3,589,751 km (0.074 R)
• M4: 6,780,972 km (0.084 R)
• M5: 8,898,829 km (0.069 R)
• M6: 10,222,471 km (0.116 R)
• M7: 12,913,288 km (0.118 R)
• M8: 18,160,882 km (0.105 R)
• M9: 18,502,564 km (0.07 R)
• M10: 19,553,489 km (0.074 R)
• M11: 20,459,154 km (0.031 R)
• M12: 22,647,622 km (0.091 R)
• M13: 24,362,163 km (0.051 R)
• M14: 25,304,181 km (0.085 R)
• M15: 32,713,314 km (0.078 R)
• M16: 42,338,292 km (0.106 R)
• M17: 49,098,320 km (0.087 R)
• M18: 53,690,975 km (0.062 R)
• M19: 55,104,824 km (0.11 R)
• M20: 64,508,098 km (0.074 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 14,531 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit