🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.97 AU - 1.49 AU

Year: 514 Days

Day: 45.7 Hours

Environment

Temp: -12 °C

Axial Tilt: 26.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.09 AU - 1.49 AU

Year: 552 Days

Day: 14.1 Hours

Environment

Temp: -29 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.98 AU - 2.46 AU

Year: 1246 Days

Day: 15.3 Hours

Environment

Temp: -96 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.22 AU - 2.52 AU

Year: 1375 Days

Day: 12.5 Hours

Environment

Temp: -91 °C

Axial Tilt: 29.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,533,219 km

• M1: 1,048,083 km (0.082 R)

Asteroid Belt

Center: 6.89 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 11.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.4

Radius: 14

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 10.44 AU - 12.38 AU

Year: 14520 Days

Day: 8.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,533,219 km

• M1: 328,517 km (0.113 R)
• M2: 809,773 km (0.11 R)
• M3: 1,521,111 km (0.039 R)
• M4: 2,261,022 km (0.103 R)
• M5: 4,101,076 km (0.033 R)
• M6: 5,617,699 km (0.081 R)
• M7: 7,706,834 km (0.097 R)
• M8: 9,835,910 km (0.067 R)
• M9: 10,438,491 km (0.088 R)
• M10: 16,562,579 km (0.084 R)
• M11: 18,056,313 km (0.104 R)
• M12: 20,243,584 km (0.045 R)
• M13: 26,897,248 km (0.065 R)
• M14: 27,752,200 km (0.1 R)
• M15: 28,405,344 km (0.059 R)
• M16: 29,969,390 km (0.118 R)
• M17: 40,998,643 km (0.076 R)
• M18: 47,798,016 km (0.048 R)
• M19: 50,490,179 km (0.053 R)
• M20: 52,948,222 km (0.089 R)
• M21: 58,279,142 km (0.095 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 17,351 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit