🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.5 AU - 0.66 AU

Year: 161 Days

Day: 20.8 Hours

Environment

Temp: 177 °C

Axial Tilt: 153 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 56,850,474 km

• M1: 49,666 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.49 AU - 0.75 AU

Year: 177 Days

Day: 26.2 Hours

Environment

Temp: 153 °C

Axial Tilt: 13 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.64 AU - 0.66 AU

Year: 190 Days

Day: 30.7 Hours

Environment

Temp: 160 °C

Axial Tilt: 31.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 56,850,474 km

• M1: 87,964 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.66 AU - 1.1 AU

Year: 300 Days

Day: 16.9 Hours

Environment

Temp: 147 °C

Axial Tilt: 9.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.21 AU - 1.29 AU

Year: 508 Days

Day: 39.1 Hours

Environment

Temp: 16 °C

Axial Tilt: 24.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.81 AU - 4.43 AU

Year: 2503 Days

Day: 20.6 Hours

Environment

Temp: -119 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,850,474 km

• M1: 186,997 km (0.097 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.81 AU - 3.85 AU

Year: 2724 Days

Day: 38.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.7

Radius: 8

Gravity: 13.68 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 8.39 AU - 11.53 AU

Year: 11424 Days

Day: 12.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,850,474 km

• M1: 99,483 km (0.094 R)
• M2: 403,615 km (0.092 R)
• M3: 671,395 km (0.08 R)
• M4: 975,677 km (0.101 R)
• M5: 2,176,200 km (0.077 R)
• M6: 2,491,253 km (0.032 R)
• M7: 3,068,402 km (0.07 R)
• M8: 3,544,123 km (0.057 R)
• M9: 4,966,799 km (0.113 R)
• M10: 5,805,445 km (0.104 R)
• M11: 6,336,517 km (0.071 R)
• M12: 13,235,971 km (0.061 R)
• M13: 14,906,829 km (0.113 R)
• M14: 15,901,506 km (0.111 R)
• M15: 19,068,792 km (0.118 R)
• M16: 20,497,302 km (0.103 R)
• M17: 27,030,839 km (0.052 R)
• M18: 29,374,439 km (0.078 R)
• M19: 29,814,706 km (0.061 R)
• M20: 30,371,061 km (0.026 R)
• M21: 32,666,341 km (0.105 R)
• M22: 33,257,851 km (0.056 R)
• M23: 36,829,500 km (0.119 R)
• M24: 37,341,424 km (0.05 R)
• M25: 48,296,925 km (0.037 R)
• M26: 48,910,126 km (0.088 R)
• M27: 50,939,421 km (0.06 R)
• M28: 55,835,012 km (0.082 R)

Kuiper Belt

Range: 30.2 - 53.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 15,420 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit