🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.3

Radius: 14.3

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.7 AU - 0.88 AU

Year: 494 Days

Day: 7.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,041,674 km

• M1: 177,872 km (0.096 R)
• M2: 813,364 km (0.111 R)
• M3: 1,401,134 km (0.117 R)
• M4: 2,187,869 km (0.12 R)
• M5: 4,313,804 km (0.095 R)
• M6: 5,468,101 km (0.117 R)
• M7: 6,779,177 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.8

Radius: 12.2

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.89 AU - 3.29 AU

Year: 3818 Days

Day: 5 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,041,674 km

• M1: 151,991 km (0.095 R)
• M2: 614,249 km (0.064 R)
• M3: 1,335,311 km (0.041 R)
• M4: 2,074,474 km (0.115 R)
• M5: 2,506,812 km (0.051 R)
• M6: 3,027,861 km (0.058 R)
• M7: 4,181,859 km (0.115 R)
• M8: 5,287,836 km (0.088 R)
• M9: 6,315,274 km (0.113 R)
• M10: 7,156,912 km (0.068 R)
• M11: 7,551,401 km (0.036 R)
• M12: 8,384,213 km (0.099 R)
• M13: 9,683,321 km (0.118 R)
• M14: 10,734,246 km (0.102 R)
• M15: 11,464,283 km (0.111 R)
• M16: 12,413,631 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.8

Radius: 9.6

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.88 AU - 4.54 AU

Year: 5023 Days

Day: 5.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,041,674 km

• M1: 119,678 km (0.072 R)
• M2: 421,118 km (0.026 R)
• M3: 743,202 km (0.118 R)
• M4: 1,147,416 km (0.084 R)
• M5: 1,887,327 km (0.082 R)
• M6: 2,413,014 km (0.106 R)
• M7: 2,994,650 km (0.111 R)
• M8: 3,403,800 km (0.053 R)
• M9: 4,436,923 km (0.098 R)
• M10: 5,427,710 km (0.053 R)
• M11: 7,360,664 km (0.094 R)
• M12: 8,147,998 km (0.102 R)
• M13: 8,907,656 km (0.108 R)
• M14: 9,583,389 km (0.067 R)
• M15: 10,942,037 km (0.102 R)
• M16: 11,816,586 km (0.063 R)
• M17: 15,484,128 km (0.088 R)
• M18: 15,906,442 km (0.075 R)
• M19: 17,348,416 km (0.097 R)
• M20: 17,673,044 km (0.034 R)
• M21: 19,357,665 km (0.091 R)
• M22: 21,741,807 km (0.118 R)
• M23: 22,887,577 km (0.092 R)
• M24: 25,216,367 km (0.098 R)
• M25: 28,681,353 km (0.075 R)
• M26: 29,779,850 km (0.095 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 232.5

Radius: 6.4

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.32 AU - 8.04 AU

Year: 12136 Days

Day: 18.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,041,674 km

• M1: 85,271 km (0.098 R)
• M2: 431,141 km (0.103 R)
• M3: 770,130 km (0.06 R)
• M4: 1,188,705 km (0.07 R)
• M5: 2,229,158 km (0.104 R)
• M6: 2,582,807 km (0.041 R)
• M7: 3,035,042 km (0.075 R)
• M8: 3,402,304 km (0.109 R)
• M9: 3,847,508 km (0.082 R)
• M10: 4,628,259 km (0.12 R)
• M11: 5,356,053 km (0.073 R)
• M12: 9,891,860 km (0.059 R)
• M13: 15,587,799 km (0.08 R)
• M14: 16,030,908 km (0.054 R)
• M15: 16,612,844 km (0.085 R)
• M16: 17,818,902 km (0.037 R)
• M17: 21,164,209 km (0.051 R)
• M18: 31,209,407 km (0.056 R)
• M19: 31,409,419 km (0.079 R)
• M20: 32,936,664 km (0.097 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: 469 - 11,449 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit