🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.82 AU - 0.92 AU

Year: 359 Days

Day: 42.7 Hours

Environment

Temp: -47 °C

Axial Tilt: 48.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.12 AU - 1.64 AU

Year: 718 Days

Day: 13.8 Hours

Environment

Temp: -84 °C

Axial Tilt: 17.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.36 AU - 2.5 AU

Year: 1678 Days

Day: 17.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 20.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,391,829 km

• M1: 77,940 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.8

Radius: 11.3

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.26 AU - 5.82 AU

Year: 5012 Days

Day: 13.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,391,829 km

• M1: 140,472 km (0.096 R)
• M2: 685,308 km (0.105 R)
• M3: 1,771,987 km (0.066 R)
• M4: 2,167,374 km (0.106 R)
• M5: 3,048,805 km (0.075 R)
• M6: 4,597,292 km (0.092 R)
• M7: 5,646,721 km (0.033 R)
• M8: 6,901,698 km (0.063 R)
• M9: 11,404,594 km (0.051 R)
• M10: 11,930,131 km (0.093 R)
• M11: 12,788,673 km (0.103 R)
• M12: 13,940,427 km (0.057 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226.4

Radius: 7.6

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 10.61 AU - 10.79 AU

Year: 15503 Days

Day: 21.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,391,829 km

• M1: 94,546 km (0.114 R)
• M2: 612,603 km (0.029 R)
• M3: 909,555 km (0.106 R)
• M4: 1,266,795 km (0.118 R)
• M5: 1,519,017 km (0.077 R)
• M6: 2,010,147 km (0.109 R)
• M7: 2,487,065 km (0.096 R)
• M8: 3,237,747 km (0.063 R)
• M9: 4,024,482 km (0.116 R)
• M10: 4,350,306 km (0.053 R)
• M11: 5,148,112 km (0.109 R)
• M12: 5,532,578 km (0.098 R)
• M13: 5,936,044 km (0.062 R)
• M14: 7,999,597 km (0.107 R)
• M15: 10,702,980 km (0.088 R)
• M16: 13,900,485 km (0.091 R)
• M17: 16,491,071 km (0.105 R)
• M18: 26,821,402 km (0.052 R)
• M19: 27,298,619 km (0.107 R)
• M20: 28,566,013 km (0.102 R)
• M21: 30,179,126 km (0.102 R)
• M22: 33,585,919 km (0.101 R)
• M23: 35,955,699 km (0.084 R)
• M24: 39,408,567 km (0.105 R)
• M25: 42,686,556 km (0.079 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 17,361 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit