🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.76 AU - 1.06 AU

Year: 309 Days

Day: 15.1 Hours

Environment

Temp: 122 °C

Axial Tilt: 36 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.86 AU - 0.98 AU

Year: 315 Days

Day: 20.2 Hours

Environment

Temp: 145 °C

Axial Tilt: 1.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.31 AU - 1.65 AU

Year: 642 Days

Day: 46.5 Hours

Environment

Temp: 4 °C

Axial Tilt: 1.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.66 AU - 1.84 AU

Year: 825 Days

Day: 42.7 Hours

Environment

Temp: -50 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.57 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 19.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.5

Radius: 7.8

Gravity: 13.55 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 17.55 AU - 21.23 AU

Year: 30434 Days

Day: 20.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 107,079,999 km

• M1: 97,388 km (0.096 R)
• M2: 390,600 km (0.084 R)
• M3: 1,283,400 km (0.101 R)
• M4: 2,202,679 km (0.062 R)
• M5: 3,377,621 km (0.113 R)
• M6: 4,414,184 km (0.075 R)
• M7: 4,964,705 km (0.095 R)
• M8: 5,738,724 km (0.095 R)
• M9: 7,151,377 km (0.111 R)
• M10: 8,194,223 km (0.043 R)
• M11: 13,793,372 km (0.045 R)
• M12: 14,288,392 km (0.057 R)
• M13: 14,709,959 km (0.111 R)
• M14: 15,666,338 km (0.095 R)
• M15: 16,663,707 km (0.074 R)
• M16: 18,091,170 km (0.096 R)
• M17: 20,862,919 km (0.105 R)
• M18: 24,380,115 km (0.091 R)
• M19: 24,740,197 km (0.062 R)
• M20: 33,439,911 km (0.052 R)
• M21: 38,225,846 km (0.108 R)
• M22: 42,058,245 km (0.092 R)
• M23: 42,403,068 km (0.075 R)
• M24: 42,923,967 km (0.094 R)
• M25: 47,245,551 km (0.088 R)
• M26: 53,446,981 km (0.04 R)
• M27: 55,077,897 km (0.071 R)
• M28: 58,438,912 km (0.103 R)
• M29: 59,300,147 km (0.041 R)
• M30: 62,157,167 km (0.059 R)
• M31: 62,604,764 km (0.107 R)
• M32: 64,416,394 km (0.118 R)
• M33: 67,199,064 km (0.112 R)
• M34: 74,252,754 km (0.116 R)
• M35: 76,795,020 km (0.099 R)
• M36: 96,235,413 km (0.034 R)

Kuiper Belt

Range: 30.8 - 51.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 14,936 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit