🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.47 AU - 0.55 AU

Year: 239 Days

Day: 12.2 Hours

Environment

Temp: -108 °C

Axial Tilt: 19.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.52 AU - 0.56 AU

Year: 260 Days

Day: 38.7 Hours

Environment

Temp: -112 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.7

Radius: 10.6

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.74 AU - 0.92 AU

Year: 496 Days

Day: 12.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 7,017,920 km

• M1: 132,394 km (0.082 R)
• M2: 546,631 km (0.079 R)
• M3: 1,061,546 km (0.051 R)
• M4: 1,496,278 km (0.108 R)
• M5: 1,845,439 km (0.074 R)
• M6: 2,345,096 km (0.047 R)
• M7: 2,680,644 km (0.118 R)
• M8: 3,190,623 km (0.112 R)
• M9: 3,805,022 km (0.088 R)
• M10: 4,390,698 km (0.119 R)
• M11: 5,476,479 km (0.112 R)
• M12: 6,475,045 km (0.035 R)
• M13: 6,976,646 km (0.025 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 17,420 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit