🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.61 AU - 0.95 AU

Year: 244 Days

Day: 36 Hours

Environment

Temp: 162 °C

Axial Tilt: 33.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.67 AU - 0.97 AU

Year: 263 Days

Day: 22.5 Hours

Environment

Temp: 104 °C

Axial Tilt: 1.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 82,529,514 km

• M1: 123,867 km (0.109 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.84 AU - 1.38 AU

Year: 415 Days

Day: 14.6 Hours

Environment

Temp: 38 °C

Axial Tilt: 42.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.18 AU - 3.06 AU

Year: 1504 Days

Day: 20.1 Hours

Environment

Temp: -87 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 12.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.9

Radius: 14.4

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 11.47 AU - 13.19 AU

Year: 15360 Days

Day: 6.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,529,514 km

• M1: 179,069 km (0.101 R)
• M2: 795,861 km (0.083 R)
• M3: 2,718,792 km (0.102 R)
• M4: 3,659,912 km (0.11 R)
• M5: 4,842,034 km (0.117 R)
• M6: 6,630,327 km (0.093 R)
• M7: 7,999,148 km (0.108 R)
• M8: 13,570,621 km (0.047 R)
• M9: 18,855,016 km (0.074 R)
• M10: 26,308,132 km (0.072 R)
• M11: 28,800,133 km (0.08 R)
• M12: 35,135,154 km (0.07 R)
• M13: 42,342,032 km (0.106 R)
• M14: 53,630,238 km (0.066 R)
• M15: 55,514,423 km (0.06 R)
• M16: 59,414,889 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 709.7

Radius: 4.1

Gravity: 42.22 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 14.5 AU - 17.02 AU

Year: 22196 Days

Day: 23.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,529,514 km

• M1: 51,162 km (0.093 R)
• M2: 312,959 km (0.093 R)
• M3: 1,249,142 km (0.098 R)
• M4: 1,638,545 km (0.079 R)
• M5: 2,322,806 km (0.1 R)
• M6: 2,460,885 km (0.108 R)
• M7: 2,988,217 km (0.087 R)
• M8: 9,695,288 km (0.112 R)
• M9: 11,382,603 km (0.099 R)
• M10: 17,424,711 km (0.068 R)
• M11: 22,389,416 km (0.097 R)
• M12: 24,635,927 km (0.074 R)
• M13: 25,192,132 km (0.104 R)
• M14: 33,608,957 km (0.112 R)
• M15: 41,806,771 km (0.059 R)
• M16: 42,121,824 km (0.118 R)
• M17: 43,076,707 km (0.062 R)
• M18: 44,209,013 km (0.092 R)
• M19: 45,693,622 km (0.116 R)
• M20: 47,211,143 km (0.074 R)
• M21: 56,257,775 km (0.07 R)
• M22: 64,485,658 km (0.102 R)
• M23: 81,789,494 km (0.074 R)

Kuiper Belt

Range: 30.9 - 49.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 19,348 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit