🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.41 AU - 0.61 AU

Year: 165 Days

Day: 14.5 Hours

Environment

Temp: 14 °C

Axial Tilt: 22.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.53 AU - 0.57 AU

Year: 185 Days

Day: 23.6 Hours

Environment

Temp: 4 °C

Axial Tilt: 27.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 47,606,004 km

• M1: 36,203 km (0.117 R)
• M2: 502,350 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.54 AU - 0.56 AU

Year: 185 Days

Day: 24.1 Hours

Environment

Temp: 16 °C

Axial Tilt: 38.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.99 AU - 2.21 AU

Year: 1379 Days

Day: 43 Hours

Environment

Temp: -139 °C

Axial Tilt: 42.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.6

Radius: 8.2

Gravity: 13.8 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.47 AU - 2.85 AU

Year: 1965 Days

Day: 10.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,606,004 km

• M1: 102,026 km (0.089 R)
• M2: 422,614 km (0.064 R)
• M3: 766,091 km (0.068 R)
• M4: 1,559,109 km (0.09 R)
• M5: 1,905,727 km (0.102 R)
• M6: 2,160,792 km (0.058 R)
• M7: 2,725,673 km (0.102 R)
• M8: 3,561,776 km (0.101 R)
• M9: 4,391,296 km (0.066 R)
• M10: 4,687,500 km (0.086 R)
• M11: 6,979,189 km (0.102 R)
• M12: 8,856,792 km (0.099 R)
• M13: 9,751,088 km (0.085 R)
• M14: 13,357,594 km (0.088 R)
• M15: 16,673,580 km (0.112 R)
• M16: 17,502,053 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.8

Radius: 11.2

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 7.9 AU - 9.7 AU

Year: 11827 Days

Day: 6.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,606,004 km

• M1: 139,874 km (0.116 R)
• M2: 731,982 km (0.092 R)
• M3: 1,261,409 km (0.07 R)
• M4: 1,694,645 km (0.106 R)
• M5: 2,335,522 km (0.079 R)
• M6: 3,706,437 km (0.09 R)
• M7: 8,519,898 km (0.104 R)
• M8: 10,037,419 km (0.039 R)
• M9: 11,397,263 km (0.06 R)
• M10: 12,235,759 km (0.111 R)
• M11: 16,211,921 km (0.1 R)
• M12: 20,648,695 km (0.057 R)
• M13: 21,893,948 km (0.095 R)
• M14: 29,807,226 km (0.097 R)
• M15: 34,627,270 km (0.103 R)
• M16: 37,463,795 km (0.051 R)
• M17: 41,352,292 km (0.085 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 11,360 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit