🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.77 AU - 1.05 AU

Year: 324 Days

Day: 24.6 Hours

Environment

Temp: 23 °C

Axial Tilt: 44.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 23,538,785 km

• M1: 288,275 km (0.061 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.85 AU - 1.19 AU

Year: 384 Days

Day: 32.9 Hours

Environment

Temp: 8 °C

Axial Tilt: 19.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.54 AU - 1.98 AU

Year: 870 Days

Day: 43.8 Hours

Environment

Temp: -53 °C

Axial Tilt: 8.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.67 AU - 2.43 AU

Year: 1094 Days

Day: 26.9 Hours

Environment

Temp: -73 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 23,538,785 km

• M1: 1,872,217 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229

Radius: 12.1

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.71 AU - 6.71 AU

Year: 5086 Days

Day: 10.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,538,785 km

• M1: 153,338 km (0.114 R)
• M2: 637,736 km (0.095 R)
• M3: 1,379,891 km (0.04 R)
• M4: 1,812,229 km (0.099 R)
• M5: 2,253,094 km (0.117 R)
• M6: 2,925,985 km (0.03 R)
• M7: 3,633,134 km (0.102 R)
• M8: 4,385,761 km (0.054 R)
• M9: 5,824,443 km (0.097 R)
• M10: 8,405,605 km (0.055 R)
• M11: 10,331,827 km (0.064 R)
• M12: 13,213,382 km (0.087 R)
• M13: 14,105,882 km (0.108 R)
• M14: 15,038,176 km (0.104 R)
• M15: 16,063,371 km (0.09 R)
• M16: 16,593,097 km (0.115 R)
• M17: 17,134,641 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.3

Radius: 8.9

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.95 AU - 7.61 AU

Year: 7322 Days

Day: 12.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,538,785 km

• M1: 111,002 km (0.102 R)
• M2: 625,020 km (0.076 R)
• M3: 1,089,521 km (0.112 R)
• M4: 1,690,157 km (0.103 R)
• M5: 2,288,548 km (0.12 R)
• M6: 2,900,852 km (0.112 R)
• M7: 5,298,757 km (0.099 R)
• M8: 6,907,532 km (0.113 R)
• M9: 7,315,934 km (0.118 R)
• M10: 8,818,794 km (0.114 R)
• M11: 11,705,585 km (0.1 R)
• M12: 18,473,093 km (0.116 R)
• M13: 21,360,930 km (0.049 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 16,233 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit