🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.93 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.52 AU - 2.2 AU

Year: 917 Days

Day: 20 Hours

Environment

Temp: -66 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,194,896 km

• M1: 268,977 km (0.089 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.19 AU - 3.05 AU

Year: 1534 Days

Day: 23.7 Hours

Environment

Temp: -82 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 37,194,896 km

• M1: 25,132 km (0.081 R)
• M2: 1,236,426 km (0.073 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3 AU - 3.82 AU

Year: 2277 Days

Day: 18.4 Hours

Environment

Temp: -115 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,194,896 km

• M1: 1,003,652 km (0.101 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.36 AU - 5.5 AU

Year: 3372 Days

Day: 39.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 102.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,194,896 km

• M1: 1,587,233 km (0.096 R)

Asteroid Belt

Center: 6.33 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.6

Radius: 11.8

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.48 AU - 8.96 AU

Year: 8523 Days

Day: 5.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,194,896 km

• M1: 174,730 km (0.12 R)
• M2: 1,004,400 km (0.112 R)
• M3: 1,590,076 km (0.101 R)
• M4: 2,361,402 km (0.082 R)
• M5: 3,500,291 km (0.082 R)
• M6: 4,425,853 km (0.112 R)
• M7: 9,677,785 km (0.063 R)
• M8: 12,054,746 km (0.087 R)
• M9: 14,440,982 km (0.09 R)
• M10: 16,798,195 km (0.065 R)
• M11: 17,727,946 km (0.092 R)
• M12: 19,981,788 km (0.097 R)
• M13: 24,124,901 km (0.081 R)
• M14: 27,516,584 km (0.115 R)
• M15: 28,065,159 km (0.111 R)
• M16: 28,434,965 km (0.092 R)
• M17: 31,016,725 km (0.068 R)

Kuiper Belt

Range: 30.3 - 52.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 14,538 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit