🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.64 AU - 0.72 AU

Year: 215 Days

Day: 21.1 Hours

Environment

Temp: 157 °C

Axial Tilt: 25.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.82 AU - 2.66 AU

Year: 1284 Days

Day: 12.5 Hours

Environment

Temp: -92 °C

Axial Tilt: 4.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,337,837 km

• M1: 962,363 km (0.103 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.24 AU - 4.14 AU

Year: 2714 Days

Day: 34.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.71 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 11.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 769.4

Radius: 4.6

Gravity: 36.36 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 9.33 AU - 14.11 AU

Year: 15362 Days

Day: 21 Hours

Environment

Temp: -191 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,337,837 km

• M1: 57,146 km (0.089 R)
• M2: 231,428 km (0.086 R)
• M3: 388,655 km (0.109 R)
• M4: 628,161 km (0.1 R)
• M5: 1,304,643 km (0.081 R)
• M6: 1,900,940 km (0.056 R)
• M7: 2,089,583 km (0.081 R)
• M8: 2,353,623 km (0.106 R)
• M9: 2,526,858 km (0.116 R)
• M10: 2,947,976 km (0.099 R)
• M11: 3,201,394 km (0.036 R)
• M12: 4,395,335 km (0.115 R)
• M13: 4,897,984 km (0.034 R)
• M14: 5,475,432 km (0.096 R)
• M15: 6,259,474 km (0.09 R)
• M16: 7,205,531 km (0.078 R)
• M17: 14,231,096 km (0.104 R)
• M18: 14,662,087 km (0.1 R)
• M19: 17,595,702 km (0.117 R)
• M20: 20,171,029 km (0.08 R)
• M21: 22,403,927 km (0.049 R)
• M22: 25,003,040 km (0.072 R)
• M23: 26,915,649 km (0.1 R)
• M24: 38,783,398 km (0.111 R)
• M25: 40,189,917 km (0.113 R)
• M26: 41,049,805 km (0.091 R)
• M27: 44,918,406 km (0.098 R)
• M28: 47,734,437 km (0.105 R)
• M29: 57,244,224 km (0.095 R)
• M30: 57,968,128 km (0.118 R)
• M31: 61,112,825 km (0.066 R)
• M32: 62,822,728 km (0.069 R)
• M33: 63,207,045 km (0.109 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 14,405 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit