🌌 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: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.59 AU - 0.79 AU

Year: 208 Days

Day: 43.8 Hours

Environment

Temp: 210 °C

Axial Tilt: 3.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,693,322 km

• M1: 66,571 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.57 AU - 0.91 AU

Year: 231 Days

Day: 16.4 Hours

Environment

Temp: 199 °C

Axial Tilt: 2.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,693,322 km

• M1: 75,697 km (0.105 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.46 AU - 1.7 AU

Year: 722 Days

Day: 29 Hours

Environment

Temp: -33 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Ice Giant

Semi-Major Axis: 15.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627.1

Radius: 7.1

Gravity: 12.44 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 14.01 AU - 16.81 AU

Year: 21985 Days

Day: 19.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,693,322 km

• M1: 88,412 km (0.079 R)
• M2: 461,061 km (0.064 R)
• M3: 891,454 km (0.107 R)
• M4: 1,635,554 km (0.12 R)
• M5: 3,429,681 km (0.07 R)
• M6: 5,233,083 km (0.102 R)
• M7: 7,061,917 km (0.109 R)
• M8: 7,789,412 km (0.115 R)
• M9: 8,835,849 km (0.111 R)
• M10: 9,167,208 km (0.056 R)
• M11: 13,309,423 km (0.115 R)
• M12: 15,425,036 km (0.046 R)
• M13: 17,151,994 km (0.117 R)
• M14: 24,586,859 km (0.093 R)
• M15: 37,390,492 km (0.08 R)
• M16: 52,028,643 km (0.116 R)
• M17: 53,290,950 km (0.107 R)
• M18: 63,723,607 km (0.092 R)
• M19: 66,423,699 km (0.117 R)
• M20: 77,054,123 km (0.076 R)

Kuiper Belt

Range: 30.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 15,466 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit