🌌 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: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.26 AU - 1.34 AU

Year: 544 Days

Day: 13.9 Hours

Environment

Temp: -20 °C

Axial Tilt: 120.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 61,644,735 km

• M1: 370,554 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.25 AU - 2.77 AU

Year: 1460 Days

Day: 31.6 Hours

Environment

Temp: -85 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.1

Radius: 9.1

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.55 AU - 5.83 AU

Year: 4340 Days

Day: 5.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,644,735 km

• M1: 116,238 km (0.112 R)
• M2: 445,353 km (0.087 R)
• M3: 792,420 km (0.1 R)
• M4: 1,224,907 km (0.063 R)
• M5: 1,604,437 km (0.11 R)
• M6: 2,337,018 km (0.096 R)
• M7: 2,805,110 km (0.073 R)
• M8: 4,039,292 km (0.077 R)
• M9: 4,691,090 km (0.099 R)
• M10: 5,093,957 km (0.084 R)
• M11: 5,384,327 km (0.089 R)
• M12: 6,504,366 km (0.072 R)
• M13: 7,332,839 km (0.035 R)
• M14: 7,981,495 km (0.077 R)
• M15: 9,198,474 km (0.066 R)
• M16: 9,871,814 km (0.103 R)
• M17: 10,241,321 km (0.043 R)
• M18: 10,877,560 km (0.091 R)
• M19: 11,585,158 km (0.109 R)
• M20: 12,276,151 km (0.086 R)
• M21: 13,388,561 km (0.109 R)
• M22: 14,938,694 km (0.117 R)
• M23: 15,480,986 km (0.087 R)
• M24: 16,092,692 km (0.086 R)
• M25: 17,187,150 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.4

Radius: 12.4

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 8.4 AU - 12.18 AU

Year: 12117 Days

Day: 13.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,644,735 km

• M1: 158,125 km (0.106 R)
• M2: 624,272 km (0.083 R)
• M3: 1,337,854 km (0.115 R)
• M4: 2,304,256 km (0.098 R)
• M5: 2,701,289 km (0.055 R)
• M6: 4,580,986 km (0.108 R)
• M7: 7,082,861 km (0.081 R)
• M8: 7,522,230 km (0.034 R)
• M9: 13,974,535 km (0.117 R)
• M10: 15,166,531 km (0.032 R)
• M11: 20,005,125 km (0.041 R)
• M12: 31,050,684 km (0.077 R)
• M13: 31,874,070 km (0.091 R)
• M14: 34,933,796 km (0.099 R)
• M15: 48,821,116 km (0.069 R)
• M16: 52,874,619 km (0.108 R)
• M17: 55,411,500 km (0.089 R)
• M18: 57,147,284 km (0.088 R)
• M19: 58,205,988 km (0.077 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 13,670 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit