🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.71 AU - 0.99 AU

Year: 298 Days

Day: 17.1 Hours

Environment

Temp: 20 °C

Axial Tilt: 123.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.94 AU - 1.46 AU

Year: 501 Days

Day: 45.9 Hours

Environment

Temp: -23 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.8 AU - 2.28 AU

Year: 1110 Days

Day: 45.6 Hours

Environment

Temp: -81 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 75,775,920 km

• M1: 95,892 km (0.119 R)
• M2: 344,225 km (0.082 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 675.8

Radius: 3.7

Gravity: 49.36 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 10.83 AU - 17.23 AU

Year: 20012 Days

Day: 24.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,775,920 km

• M1: 46,525 km (0.099 R)
• M2: 398,678 km (0.049 R)
• M3: 582,085 km (0.1 R)
• M4: 757,414 km (0.08 R)
• M5: 1,187,209 km (0.045 R)
• M6: 2,302,012 km (0.082 R)
• M7: 2,504,268 km (0.095 R)
• M8: 2,842,360 km (0.085 R)
• M9: 2,970,266 km (0.099 R)
• M10: 3,155,767 km (0.036 R)
• M11: 5,303,693 km (0.075 R)
• M12: 5,656,744 km (0.118 R)
• M13: 6,764,517 km (0.119 R)
• M14: 7,758,894 km (0.082 R)
• M15: 9,231,086 km (0.044 R)
• M16: 9,399,085 km (0.115 R)
• M17: 10,941,887 km (0.042 R)
• M18: 14,293,329 km (0.083 R)
• M19: 17,404,964 km (0.112 R)
• M20: 21,917,135 km (0.079 R)
• M21: 22,116,250 km (0.109 R)
• M22: 27,495,640 km (0.029 R)
• M23: 28,905,001 km (0.108 R)
• M24: 30,733,536 km (0.095 R)
• M25: 34,350,513 km (0.067 R)
• M26: 36,400,004 km (0.089 R)
• M27: 43,035,119 km (0.064 R)
• M28: 43,347,329 km (0.118 R)
• M29: 49,914,377 km (0.045 R)
• M30: 50,259,050 km (0.088 R)
• M31: 59,982,613 km (0.065 R)
• M32: 73,749,506 km (0.117 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 203 - 14,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit