🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.57 AU - 0.69 AU

Year: 225 Days

Day: 34.2 Hours

Environment

Temp: -3 °C

Axial Tilt: 6.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.62 AU - 0.9 AU

Year: 298 Days

Day: 15.7 Hours

Environment

Temp: -52 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.04 AU - 1.68 AU

Year: 713 Days

Day: 21.3 Hours

Environment

Temp: -103 °C

Axial Tilt: 26.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.58 AU - 1.78 AU

Year: 979 Days

Day: 24.4 Hours

Environment

Temp: -107 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 15.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439.9

Radius: 8

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 15.47 AU - 16.37 AU

Year: 28558 Days

Day: 23.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 83,242,127 km

• M1: 99,632 km (0.051 R)
• M2: 678,875 km (0.103 R)
• M3: 1,383,032 km (0.093 R)
• M4: 1,905,129 km (0.085 R)
• M5: 2,233,945 km (0.079 R)
• M6: 3,142,004 km (0.074 R)
• M7: 3,483,985 km (0.119 R)
• M8: 3,978,555 km (0.103 R)
• M9: 4,697,822 km (0.032 R)
• M10: 5,420,679 km (0.088 R)
• M11: 6,437,047 km (0.119 R)
• M12: 11,456,055 km (0.089 R)
• M13: 13,857,101 km (0.074 R)
• M14: 14,236,332 km (0.111 R)
• M15: 18,058,258 km (0.09 R)
• M16: 21,488,687 km (0.102 R)
• M17: 24,882,464 km (0.11 R)
• M18: 27,412,613 km (0.118 R)
• M19: 28,985,635 km (0.047 R)
• M20: 35,881,498 km (0.104 R)
• M21: 37,031,008 km (0.12 R)
• M22: 38,502,303 km (0.118 R)
• M23: 41,247,873 km (0.077 R)
• M24: 63,791,823 km (0.079 R)
• M25: 70,264,325 km (0.102 R)
• M26: 72,515,324 km (0.096 R)
• M27: 74,350,591 km (0.065 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 297 - 19,383 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit