🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.09 AU - 1.49 AU

Year: 532 Days

Day: 34.9 Hours

Environment

Temp: 9 °C

Axial Tilt: 170.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.04 AU - 2.04 AU

Year: 1059 Days

Day: 27 Hours

Environment

Temp: -66 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,852,411 km

• M1: 26,180 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.9

Radius: 14.3

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.87 AU - 5.37 AU

Year: 4211 Days

Day: 12.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,852,411 km

• M1: 177,872 km (0.047 R)
• M2: 695,331 km (0.118 R)
• M3: 1,638,246 km (0.077 R)
• M4: 2,200,884 km (0.088 R)
• M5: 2,715,201 km (0.07 R)
• M6: 4,014,010 km (0.118 R)
• M7: 5,242,508 km (0.054 R)
• M8: 6,171,660 km (0.087 R)
• M9: 6,905,587 km (0.093 R)
• M10: 12,895,336 km (0.115 R)
• M11: 13,989,346 km (0.118 R)
• M12: 17,394,642 km (0.085 R)
• M13: 20,338,279 km (0.098 R)
• M14: 21,819,747 km (0.112 R)
• M15: 24,447,134 km (0.081 R)
• M16: 25,314,802 km (0.074 R)
• M17: 25,796,657 km (0.104 R)
• M18: 27,447,170 km (0.093 R)
• M19: 29,874,844 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 500.9

Radius: 7.3

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 15.67 AU - 16.77 AU

Year: 23741 Days

Day: 19 Hours

Environment

Temp: -184 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,852,411 km

• M1: 93,499 km (0.088 R)
• M2: 393,592 km (0.077 R)
• M3: 3,134,524 km (0.109 R)
• M4: 4,171,237 km (0.059 R)
• M5: 4,505,589 km (0.096 R)
• M6: 5,342,589 km (0.086 R)
• M7: 5,941,878 km (0.068 R)
• M8: 6,629,579 km (0.088 R)
• M9: 8,369,552 km (0.111 R)
• M10: 13,001,850 km (0.11 R)
• M11: 15,936,362 km (0.119 R)
• M12: 24,227,076 km (0.115 R)
• M13: 25,198,116 km (0.042 R)
• M14: 25,638,083 km (0.092 R)
• M15: 41,036,342 km (0.04 R)
• M16: 44,940,846 km (0.082 R)
• M17: 52,580,211 km (0.034 R)
• M18: 56,611,425 km (0.071 R)

Kuiper Belt

Range: 30.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 16,829 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit