🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.46 AU - 0.62 AU

Year: 149 Days

Day: 27.7 Hours

Environment

Temp: 235 °C

Axial Tilt: 9.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.67 AU - 0.75 AU

Year: 224 Days

Day: 40.8 Hours

Environment

Temp: 98 °C

Axial Tilt: 32.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.9 AU - 1.04 AU

Year: 358 Days

Day: 32.6 Hours

Environment

Temp: 31 °C

Axial Tilt: 0.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.65 AU - 1.69 AU

Year: 809 Days

Day: 42.3 Hours

Environment

Temp: -67 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,504,572 km

• M1: 42,336 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780.1

Radius: 7

Gravity: 15.92 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 12.55 AU - 14.39 AU

Year: 18526 Days

Day: 15.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 110.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,504,572 km

• M1: 87,365 km (0.045 R)
• M2: 395,986 km (0.119 R)
• M3: 672,442 km (0.074 R)
• M4: 1,279,660 km (0.115 R)
• M5: 3,210,969 km (0.096 R)
• M6: 3,518,542 km (0.113 R)
• M7: 4,629,905 km (0.072 R)
• M8: 5,209,147 km (0.084 R)
• M9: 5,835,813 km (0.102 R)
• M10: 6,337,863 km (0.12 R)
• M11: 8,169,689 km (0.115 R)
• M12: 10,691,311 km (0.108 R)
• M13: 12,841,032 km (0.066 R)
• M14: 13,907,366 km (0.039 R)
• M15: 14,878,107 km (0.108 R)
• M16: 15,576,280 km (0.052 R)
• M17: 15,893,427 km (0.1 R)
• M18: 17,974,334 km (0.114 R)
• M19: 18,676,845 km (0.093 R)
• M20: 21,086,717 km (0.099 R)
• M21: 23,488,212 km (0.057 R)
• M22: 25,078,437 km (0.051 R)
• M23: 38,991,189 km (0.049 R)
• M24: 40,763,774 km (0.057 R)
• M25: 41,064,316 km (0.051 R)
• M26: 42,127,957 km (0.108 R)
• M27: 42,743,852 km (0.093 R)
• M28: 43,679,137 km (0.095 R)
• M29: 44,468,865 km (0.066 R)
• M30: 44,787,359 km (0.082 R)
• M31: 45,428,984 km (0.112 R)
• M32: 48,392,218 km (0.114 R)
• M33: 58,241,144 km (0.075 R)
• M34: 59,776,467 km (0.062 R)
• M35: 62,927,746 km (0.12 R)
• M36: 64,340,548 km (0.088 R)
• M37: 75,278,546 km (0.057 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 15,300 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit