🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.61 AU - 0.91 AU

Year: 251 Days

Day: 46.2 Hours

Environment

Temp: 88 °C

Axial Tilt: 9.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,501,147 km

• M1: 21,392 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.79 AU - 1.11 AU

Year: 351 Days

Day: 13.2 Hours

Environment

Temp: 13 °C

Axial Tilt: 42.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.8 AU - 2.38 AU

Year: 1144 Days

Day: 40.1 Hours

Environment

Temp: -86 °C

Axial Tilt: 23.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,501,147 km

• M1: 398,978 km (0.061 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.77 AU - 2.91 AU

Year: 1356 Days

Day: 36.3 Hours

Environment

Temp: -94 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 13.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 753.2

Radius: 7.8

Gravity: 12.38 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 10.82 AU - 16.96 AU

Year: 19607 Days

Day: 16 Hours

Environment

Temp: -197 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,501,147 km

• M1: 97,089 km (0.066 R)
• M2: 396,584 km (0.09 R)
• M3: 1,426,266 km (0.081 R)
• M4: 2,004,462 km (0.113 R)
• M5: 2,358,560 km (0.117 R)
• M6: 2,878,712 km (0.091 R)
• M7: 3,247,919 km (0.111 R)
• M8: 4,017,750 km (0.095 R)
• M9: 4,724,002 km (0.062 R)
• M10: 5,790,784 km (0.109 R)
• M11: 6,337,415 km (0.05 R)
• M12: 6,735,644 km (0.111 R)
• M13: 7,010,306 km (0.071 R)
• M14: 9,147,910 km (0.063 R)
• M15: 12,217,808 km (0.1 R)
• M16: 16,319,781 km (0.11 R)
• M17: 17,152,892 km (0.097 R)
• M18: 18,723,669 km (0.106 R)
• M19: 21,256,212 km (0.045 R)
• M20: 21,748,987 km (0.07 R)
• M21: 22,553,375 km (0.093 R)
• M22: 24,650,737 km (0.096 R)
• M23: 30,084,880 km (0.058 R)
• M24: 30,456,630 km (0.113 R)
• M25: 31,462,975 km (0.098 R)
• M26: 33,013,856 km (0.028 R)
• M27: 35,297,019 km (0.077 R)
• M28: 36,407,035 km (0.099 R)
• M29: 38,260,254 km (0.102 R)
• M30: 50,717,119 km (0.096 R)
• M31: 53,025,863 km (0.046 R)
• M32: 56,149,317 km (0.103 R)
• M33: 57,851,591 km (0.077 R)
• M34: 58,426,496 km (0.073 R)
• M35: 60,567,391 km (0.104 R)
• M36: 63,367,115 km (0.059 R)
• M37: 68,793,478 km (0.098 R)
• M38: 69,223,273 km (0.071 R)
• M39: 76,806,539 km (0.033 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 15,729 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit