🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.56 AU - 0.64 AU

Year: 176 Days

Day: 26.6 Hours

Environment

Temp: 136 °C

Axial Tilt: 24 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.55 AU - 2.63 AU

Year: 1579 Days

Day: 33 Hours

Environment

Temp: -91 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.9

Radius: 14.5

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.87 AU - 5.75 AU

Year: 4634 Days

Day: 14.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,563,956 km

• M1: 180,415 km (0.058 R)
• M2: 711,787 km (0.07 R)
• M3: 1,171,800 km (0.068 R)
• M4: 1,740,272 km (0.101 R)
• M5: 2,200,136 km (0.03 R)
• M6: 2,812,141 km (0.044 R)
• M7: 3,354,583 km (0.094 R)
• M8: 3,834,044 km (0.092 R)
• M9: 4,312,159 km (0.106 R)
• M10: 5,445,063 km (0.115 R)
• M11: 6,294,929 km (0.094 R)
• M12: 7,471,217 km (0.11 R)
• M13: 8,408,597 km (0.119 R)
• M14: 9,221,811 km (0.097 R)
• M15: 10,086,936 km (0.109 R)
• M16: 14,151,659 km (0.092 R)
• M17: 15,758,041 km (0.075 R)
• M18: 16,995,066 km (0.096 R)
• M19: 17,917,636 km (0.055 R)
• M20: 21,165,406 km (0.078 R)
• M21: 25,574,055 km (0.034 R)
• M22: 26,703,669 km (0.115 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 986.9

Radius: 3.8

Gravity: 68.34 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 11.74 AU - 13.34 AU

Year: 16819 Days

Day: 16.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 76,563,956 km

• M1: 48,619 km (0.091 R)
• M2: 354,846 km (0.07 R)
• M3: 516,262 km (0.029 R)
• M4: 696,827 km (0.026 R)
• M5: 978,220 km (0.094 R)
• M6: 2,051,884 km (0.099 R)
• M7: 2,282,864 km (0.075 R)
• M8: 2,698,297 km (0.108 R)
• M9: 4,312,458 km (0.104 R)
• M10: 5,320,897 km (0.088 R)
• M11: 6,004,410 km (0.035 R)
• M12: 6,345,493 km (0.1 R)
• M13: 6,973,505 km (0.094 R)
• M14: 7,207,476 km (0.057 R)
• M15: 7,398,363 km (0.111 R)
• M16: 7,740,643 km (0.084 R)
• M17: 7,940,805 km (0.119 R)
• M18: 8,994,422 km (0.056 R)
• M19: 9,611,813 km (0.094 R)
• M20: 10,993,349 km (0.114 R)
• M21: 11,119,460 km (0.094 R)
• M22: 11,503,478 km (0.038 R)
• M23: 19,089,137 km (0.087 R)
• M24: 22,650,913 km (0.079 R)
• M25: 23,163,884 km (0.108 R)
• M26: 23,475,347 km (0.085 R)
• M27: 25,734,125 km (0.039 R)
• M28: 26,858,951 km (0.094 R)
• M29: 27,202,578 km (0.098 R)
• M30: 31,813,932 km (0.082 R)
• M31: 31,941,988 km (0.034 R)
• M32: 36,079,865 km (0.086 R)
• M33: 36,919,857 km (0.11 R)
• M34: 41,316,838 km (0.094 R)
• M35: 56,387,626 km (0.074 R)
• M36: 71,843,929 km (0.116 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 12,996 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit