🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.6 AU - 0.78 AU

Year: 209 Days

Day: 38.4 Hours

Environment

Temp: 208 °C

Axial Tilt: 14.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 50,635,114 km

• M1: 55,650 km (0.077 R)
• M2: 274,662 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.41 AU - 2.29 AU

Year: 919 Days

Day: 28.8 Hours

Environment

Temp: -62 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,635,114 km

• M1: 43,832 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.79 AU - 2.57 AU

Year: 1176 Days

Day: 20.2 Hours

Environment

Temp: -76 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.4

Radius: 10.7

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.19 AU - 6.05 AU

Year: 4866 Days

Day: 11.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,635,114 km

• M1: 133,142 km (0.037 R)
• M2: 490,083 km (0.083 R)
• M3: 971,189 km (0.092 R)
• M4: 1,544,448 km (0.118 R)
• M5: 3,553,697 km (0.08 R)
• M6: 4,119,177 km (0.07 R)
• M7: 5,485,754 km (0.078 R)
• M8: 7,233,805 km (0.043 R)
• M9: 7,679,607 km (0.088 R)
• M10: 8,071,104 km (0.113 R)
• M11: 8,551,014 km (0.108 R)
• M12: 8,894,341 km (0.086 R)
• M13: 9,608,671 km (0.108 R)
• M14: 10,317,915 km (0.042 R)
• M15: 23,202,480 km (0.073 R)
• M16: 24,173,969 km (0.051 R)
• M17: 26,277,913 km (0.056 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127.2

Radius: 4.6

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 12.62 AU - 21.03 AU

Year: 25196 Days

Day: 20.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,635,114 km

• M1: 57,595 km (0.12 R)
• M2: 227,838 km (0.093 R)
• M3: 838,047 km (0.064 R)
• M4: 998,416 km (0.048 R)
• M5: 1,167,462 km (0.074 R)
• M6: 1,745,807 km (0.119 R)
• M7: 3,777,795 km (0.117 R)
• M8: 4,336,393 km (0.053 R)
• M9: 4,514,116 km (0.107 R)
• M10: 4,948,249 km (0.083 R)
• M11: 6,341,603 km (0.118 R)
• M12: 7,459,997 km (0.068 R)
• M13: 7,715,660 km (0.057 R)
• M14: 8,472,176 km (0.111 R)
• M15: 8,703,754 km (0.085 R)
• M16: 11,537,437 km (0.049 R)
• M17: 13,253,923 km (0.117 R)
• M18: 13,566,133 km (0.11 R)
• M19: 13,819,403 km (0.105 R)
• M20: 14,270,141 km (0.112 R)
• M21: 17,331,213 km (0.118 R)
• M22: 17,554,562 km (0.067 R)
• M23: 27,538,126 km (0.096 R)
• M24: 31,448,464 km (0.103 R)
• M25: 31,669,720 km (0.12 R)
• M26: 34,760,112 km (0.111 R)
• M27: 41,267,171 km (0.053 R)
• M28: 41,532,408 km (0.117 R)
• M29: 43,971,452 km (0.084 R)
• M30: 48,246,061 km (0.052 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 19,639 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit