🌌 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: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.53 AU - 0.55 AU

Year: 146 Days

Day: 27.8 Hours

Environment

Temp: 185 °C

Axial Tilt: 14.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 66,070,447 km

• M1: 52,060 km (0.119 R)
• M2: 199,414 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.38 AU - 3.14 AU

Year: 1683 Days

Day: 25.5 Hours

Environment

Temp: -104 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,070,447 km

• M1: 51,013 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.21 AU - 4.97 AU

Year: 3610 Days

Day: 45.1 Hours

Environment

Temp: -127 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Ice Giant

Semi-Major Axis: 15.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182.5

Radius: 6.2

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 14.33 AU - 15.97 AU

Year: 21647 Days

Day: 21 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,070,447 km

• M1: 77,342 km (0.028 R)
• M2: 308,620 km (0.118 R)
• M3: 501,901 km (0.087 R)
• M4: 704,157 km (0.074 R)
• M5: 951,891 km (0.092 R)
• M6: 2,402,243 km (0.109 R)
• M7: 3,787,220 km (0.085 R)
• M8: 4,773,219 km (0.095 R)
• M9: 5,427,560 km (0.057 R)
• M10: 5,705,513 km (0.082 R)
• M11: 6,140,095 km (0.111 R)
• M12: 7,281,676 km (0.086 R)
• M13: 7,577,132 km (0.066 R)
• M14: 8,282,486 km (0.066 R)
• M15: 8,698,069 km (0.086 R)
• M16: 9,030,924 km (0.079 R)
• M17: 11,432,868 km (0.083 R)
• M18: 13,272,473 km (0.069 R)
• M19: 14,034,823 km (0.101 R)
• M20: 17,228,588 km (0.117 R)
• M21: 18,835,569 km (0.119 R)
• M22: 24,533,153 km (0.1 R)
• M23: 25,389,451 km (0.096 R)
• M24: 27,061,208 km (0.097 R)
• M25: 27,464,972 km (0.098 R)
• M26: 28,387,991 km (0.099 R)
• M27: 34,838,801 km (0.082 R)
• M28: 38,149,252 km (0.081 R)
• M29: 43,292,427 km (0.112 R)
• M30: 45,957,513 km (0.096 R)
• M31: 49,177,906 km (0.09 R)
• M32: 51,612,163 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 263

Radius: 4.7

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 15.49 AU - 18.85 AU

Year: 26117 Days

Day: 21 Hours

Environment

Temp: -187 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,070,447 km

• M1: 86,318 km (0.067 R)
• M2: 1,232,088 km (0.035 R)
• M3: 1,586,635 km (0.087 R)
• M4: 1,735,934 km (0.068 R)
• M5: 1,894,807 km (0.06 R)
• M6: 9,775,323 km (0.105 R)
• M7: 10,337,961 km (0.053 R)
• M8: 11,775,896 km (0.102 R)
• M9: 14,104,237 km (0.112 R)
• M10: 16,880,923 km (0.048 R)
• M11: 18,103,437 km (0.059 R)
• M12: 22,797,668 km (0.118 R)
• M13: 24,086,454 km (0.091 R)
• M14: 46,125,811 km (0.109 R)
• M15: 53,843,714 km (0.044 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 13,043 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit