🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.48 AU - 0.74 AU

Year: 183 Days

Day: 24.1 Hours

Environment

Temp: 160 °C

Axial Tilt: 16.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 73,600,862 km

• M1: 504,893 km (0.047 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.57 AU - 0.77 AU

Year: 211 Days

Day: 43.7 Hours

Environment

Temp: 123 °C

Axial Tilt: 31.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 73,600,862 km

• M1: 159,023 km (0.094 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.73 AU - 1.19 AU

Year: 362 Days

Day: 26.6 Hours

Environment

Temp: -4 °C

Axial Tilt: 44.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.4 AU - 1.92 AU

Year: 823 Days

Day: 30.1 Hours

Environment

Temp: -65 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 73,600,862 km

• M1: 49,068 km (0.083 R)
• M2: 606,619 km (0.06 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.59 AU - 2.23 AU

Year: 1016 Days

Day: 41.3 Hours

Environment

Temp: -84 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.62 AU - 3.8 AU

Year: 2751 Days

Day: 40.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 47.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.15 AU - 4.65 AU

Year: 2965 Days

Day: 20.6 Hours

Environment

Temp: -129 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Ice Giant

Semi-Major Axis: 14.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 584.3

Radius: 4.3

Gravity: 31.6 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 10.66 AU - 17.74 AU

Year: 20602 Days

Day: 19.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,600,862 km

• M1: 53,556 km (0.084 R)
• M2: 226,491 km (0.103 R)
• M3: 372,050 km (0.118 R)
• M4: 519,105 km (0.108 R)
• M5: 902,374 km (0.092 R)
• M6: 1,331,271 km (0.083 R)
• M7: 1,774,081 km (0.082 R)
• M8: 2,554,982 km (0.094 R)
• M9: 3,571,350 km (0.099 R)
• M10: 8,340,680 km (0.119 R)
• M11: 8,706,297 km (0.088 R)
• M12: 9,191,892 km (0.112 R)
• M13: 12,090,799 km (0.055 R)
• M14: 12,626,659 km (0.075 R)
• M15: 14,108,575 km (0.098 R)
• M16: 15,081,859 km (0.065 R)
• M17: 18,269,191 km (0.111 R)
• M18: 21,487,640 km (0.054 R)
• M19: 29,736,018 km (0.111 R)
• M20: 33,369,301 km (0.11 R)
• M21: 38,277,458 km (0.115 R)
• M22: 38,563,339 km (0.069 R)
• M23: 40,902,601 km (0.098 R)
• M24: 44,114,019 km (0.114 R)
• M25: 58,831,008 km (0.089 R)
• M26: 61,531,549 km (0.082 R)
• M27: 68,431,452 km (0.063 R)
• M28: 72,284,943 km (0.098 R)
• M29: 72,503,206 km (0.118 R)
• M30: 72,940,930 km (0.106 R)
• M31: 73,600,806 km (0.118 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 14,638 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit