🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.89 AU - 1.15 AU

Year: 382 Days

Day: 17.1 Hours

Environment

Temp: 12 °C

Axial Tilt: 14.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.92 AU - 1.32 AU

Year: 440 Days

Day: 18.1 Hours

Environment

Temp: 5 °C

Axial Tilt: 35.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.71 AU - 2.49 AU

Year: 1129 Days

Day: 32.8 Hours

Environment

Temp: -76 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,360,790 km

• M1: 1,446,013 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.06 AU - 2.32 AU

Year: 1202 Days

Day: 30.6 Hours

Environment

Temp: -89 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.33 AU - 3.97 AU

Year: 2586 Days

Day: 40.7 Hours

Environment

Temp: -120 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 34,360,790 km

• M1: 64,626 km (0.12 R)
• M2: 363,972 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.9

Radius: 9.1

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.32 AU - 6.76 AU

Year: 6203 Days

Day: 10 Hours

Environment

Temp: -152 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,360,790 km

• M1: 113,246 km (0.118 R)
• M2: 430,393 km (0.1 R)
• M3: 873,053 km (0.092 R)
• M4: 1,890,468 km (0.098 R)
• M5: 2,817,078 km (0.107 R)
• M6: 3,468,427 km (0.055 R)
• M7: 4,342,976 km (0.083 R)
• M8: 5,040,700 km (0.095 R)
• M9: 5,626,675 km (0.094 R)
• M10: 6,864,597 km (0.08 R)
• M11: 12,896,084 km (0.112 R)
• M12: 13,272,473 km (0.101 R)
• M13: 14,160,635 km (0.07 R)
• M14: 15,206,474 km (0.078 R)
• M15: 20,484,436 km (0.107 R)
• M16: 23,852,034 km (0.084 R)
• M17: 25,246,436 km (0.052 R)
• M18: 25,921,122 km (0.08 R)
• M19: 29,383,565 km (0.117 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 12,261 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit