🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.07 AU - 1.17 AU

Year: 422 Days

Day: 18.2 Hours

Environment

Temp: 30 °C

Axial Tilt: 36.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.4 AU - 1.86 AU

Year: 742 Days

Day: 36.9 Hours

Environment

Temp: -29 °C

Axial Tilt: 42.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,442,867 km

• M1: 57,745 km (0.096 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.63 AU - 4.83 AU

Year: 3667 Days

Day: 12 Hours

Environment

Temp: -129 °C

Axial Tilt: 17.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,442,867 km

• M1: 3,658,416 km (0.083 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.5

Radius: 6.3

Gravity: 24.91 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 10.31 AU - 15.75 AU

Year: 16765 Days

Day: 24.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 76,442,867 km

• M1: 78,539 km (0.025 R)
• M2: 315,951 km (0.118 R)
• M3: 775,515 km (0.078 R)
• M4: 1,160,580 km (0.116 R)
• M5: 1,359,545 km (0.061 R)
• M6: 1,902,586 km (0.103 R)
• M7: 2,099,157 km (0.065 R)
• M8: 2,465,223 km (0.057 R)
• M9: 3,324,513 km (0.041 R)
• M10: 3,761,339 km (0.119 R)
• M11: 4,820,492 km (0.12 R)
• M12: 7,037,084 km (0.118 R)
• M13: 7,706,983 km (0.104 R)
• M14: 7,956,213 km (0.092 R)
• M15: 8,314,201 km (0.069 R)
• M16: 9,623,930 km (0.095 R)
• M17: 10,448,364 km (0.084 R)
• M18: 12,508,327 km (0.108 R)
• M19: 13,705,858 km (0.109 R)
• M20: 14,146,274 km (0.091 R)
• M21: 17,326,575 km (0.084 R)
• M22: 21,049,916 km (0.103 R)
• M23: 23,983,979 km (0.05 R)
• M24: 35,762,568 km (0.048 R)
• M25: 37,443,749 km (0.11 R)
• M26: 47,808,188 km (0.1 R)
• M27: 49,502,534 km (0.115 R)
• M28: 51,236,672 km (0.046 R)
• M29: 60,713,548 km (0.055 R)
• M30: 61,502,677 km (0.084 R)
• M31: 69,774,242 km (0.093 R)
• M32: 71,294,007 km (0.104 R)
• M33: 76,442,866 km (0.104 R)

Kuiper Belt

Range: 30.8 - 51.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 18,588 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit