🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.5

Radius: 11.6

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.12 AU - 1.38 AU

Year: 889 Days

Day: 8.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,441,135 km

• M1: 144,212 km (0.08 R)
• M2: 525,986 km (0.1 R)
• M3: 1,278,463 km (0.091 R)
• M4: 1,646,773 km (0.089 R)
• M5: 2,695,305 km (0.084 R)
• M6: 3,498,945 km (0.034 R)
• M7: 4,833,657 km (0.115 R)
• M8: 6,157,748 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.5

Radius: 9.3

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.88 AU - 2.02 AU

Year: 1731 Days

Day: 14.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,441,135 km

• M1: 115,639 km (0.073 R)
• M2: 452,683 km (0.087 R)
• M3: 796,160 km (0.117 R)
• M4: 1,190,350 km (0.087 R)
• M5: 1,779,915 km (0.098 R)
• M6: 2,491,403 km (0.083 R)
• M7: 3,519,739 km (0.096 R)
• M8: 3,975,115 km (0.056 R)
• M9: 4,925,510 km (0.109 R)
• M10: 5,433,245 km (0.118 R)
• M11: 5,864,087 km (0.071 R)
• M12: 6,156,401 km (0.113 R)
• M13: 7,167,982 km (0.042 R)
• M14: 7,713,565 km (0.069 R)
• M15: 8,064,971 km (0.095 R)
• M16: 8,455,421 km (0.1 R)
• M17: 11,377,816 km (0.119 R)
• M18: 11,904,999 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.4

Radius: 13.6

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.16 AU - 3.24 AU

Year: 2821 Days

Day: 7.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,441,135 km

• M1: 171,589 km (0.037 R)
• M2: 772,673 km (0.083 R)
• M3: 1,249,142 km (0.084 R)
• M4: 1,779,018 km (0.071 R)
• M5: 2,353,025 km (0.054 R)
• M6: 2,987,619 km (0.096 R)
• M7: 3,634,779 km (0.037 R)
• M8: 4,122,169 km (0.119 R)
• M9: 5,229,792 km (0.11 R)
• M10: 6,359,405 km (0.094 R)
• M11: 7,320,273 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.6

Radius: 7.7

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 7.41 AU - 8.43 AU

Year: 14172 Days

Day: 22.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,441,135 km

• M1: 95,743 km (0.074 R)
• M2: 387,608 km (0.12 R)
• M3: 640,279 km (0.079 R)
• M4: 1,878,052 km (0.061 R)
• M5: 2,318,917 km (0.081 R)
• M6: 3,777,047 km (0.069 R)
• M7: 4,743,748 km (0.107 R)
• M8: 5,595,559 km (0.089 R)
• M9: 7,598,973 km (0.049 R)
• M10: 8,317,791 km (0.049 R)
• M11: 9,361,536 km (0.116 R)
• M12: 10,850,633 km (0.075 R)
• M13: 11,166,434 km (0.095 R)
• M14: 14,353,766 km (0.104 R)
• M15: 15,252,700 km (0.065 R)
• M16: 17,020,797 km (0.109 R)
• M17: 19,302,464 km (0.076 R)
• M18: 20,716,912 km (0.117 R)
• M19: 21,780,403 km (0.09 R)
• M20: 22,368,023 km (0.051 R)
• M21: 24,643,108 km (0.089 R)
• M22: 26,876,305 km (0.099 R)
• M23: 27,357,860 km (0.113 R)
• M24: 39,096,656 km (0.109 R)
• M25: 40,339,963 km (0.066 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 18,488 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit