🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.04 AU - 1.14 AU

Year: 412 Days

Day: 23.6 Hours

Environment

Temp: 12 °C

Axial Tilt: 26.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.18 AU - 1.5 AU

Year: 561 Days

Day: 32.9 Hours

Environment

Temp: -10 °C

Axial Tilt: 178.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Gas Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.5

Radius: 13.4

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 6.51 AU - 7.89 AU

Year: 6987 Days

Day: 10.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 28,432,448 km

• M1: 166,951 km (0.07 R)
• M2: 704,905 km (0.114 R)
• M3: 1,122,433 km (0.077 R)
• M4: 1,798,166 km (0.076 R)
• M5: 2,298,721 km (0.08 R)
• M6: 3,705,390 km (0.095 R)
• M7: 4,637,983 km (0.034 R)
• M8: 5,250,885 km (0.089 R)
• M9: 6,357,760 km (0.114 R)
• M10: 10,276,177 km (0.106 R)
• M11: 10,715,546 km (0.093 R)
• M12: 11,843,065 km (0.053 R)
• M13: 12,823,230 km (0.063 R)
• M14: 16,089,401 km (0.101 R)
• M15: 17,223,203 km (0.07 R)
• M16: 18,552,679 km (0.071 R)
• M17: 19,205,674 km (0.065 R)
• M18: 21,336,247 km (0.06 R)
• M19: 22,458,680 km (0.077 R)
• M20: 23,620,008 km (0.041 R)
• M21: 24,215,557 km (0.099 R)
• M22: 31,037,369 km (0.067 R)
• M23: 31,546,750 km (0.032 R)
• M24: 33,214,467 km (0.1 R)
• M25: 36,048,749 km (0.097 R)
• M26: 38,452,786 km (0.071 R)
• M27: 39,873,667 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.1

Radius: 14.2

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 8.15 AU - 12.31 AU

Year: 11833 Days

Day: 7.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,432,448 km

• M1: 176,675 km (0.117 R)
• M2: 623,374 km (0.084 R)
• M3: 1,173,745 km (0.091 R)
• M4: 1,690,606 km (0.08 R)
• M5: 2,196,097 km (0.114 R)
• M6: 2,649,827 km (0.077 R)
• M7: 5,950,255 km (0.099 R)
• M8: 8,713,029 km (0.114 R)
• M9: 9,909,961 km (0.116 R)
• M10: 10,855,420 km (0.116 R)
• M11: 13,792,774 km (0.053 R)
• M12: 14,535,378 km (0.113 R)
• M13: 15,192,861 km (0.109 R)
• M14: 15,642,253 km (0.108 R)
• M15: 16,626,607 km (0.111 R)
• M16: 17,224,848 km (0.108 R)
• M17: 18,655,154 km (0.117 R)
• M18: 20,433,723 km (0.106 R)
• M19: 23,347,141 km (0.106 R)
• M20: 23,795,636 km (0.09 R)
• M21: 28,010,705 km (0.116 R)

Kuiper Belt

Range: 30.3 - 46.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 16,053 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit