🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.92 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.64 AU - 2.02 AU

Year: 878 Days

Day: 37.6 Hours

Environment

Temp: -41 °C

Axial Tilt: 9.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.73 AU - 2.11 AU

Year: 944 Days

Day: 19 Hours

Environment

Temp: -57 °C

Axial Tilt: 44.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.99 AU - 4.15 AU

Year: 2393 Days

Day: 21.8 Hours

Environment

Temp: -104 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.58 AU - 3.84 AU

Year: 2535 Days

Day: 12.1 Hours

Environment

Temp: -116 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,279,960 km

• M1: 444,156 km (0.053 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.42 AU - 5.12 AU

Year: 3130 Days

Day: 46.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,279,960 km

• M1: 80,035 km (0.111 R)

Asteroid Belt

Center: 4.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.2

Radius: 9.2

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 5.2 AU - 6.1 AU

Year: 4764 Days

Day: 8.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 47,279,960 km

• M1: 114,442 km (0.096 R)
• M2: 401,072 km (0.108 R)
• M3: 1,005,447 km (0.12 R)
• M4: 1,316,461 km (0.103 R)
• M5: 1,878,949 km (0.074 R)
• M6: 2,391,771 km (0.078 R)
• M7: 2,826,502 km (0.114 R)
• M8: 4,763,795 km (0.083 R)
• M9: 6,147,724 km (0.096 R)
• M10: 6,630,626 km (0.053 R)
• M11: 7,855,983 km (0.082 R)
• M12: 8,699,864 km (0.117 R)
• M13: 9,560,501 km (0.05 R)
• M14: 9,946,314 km (0.088 R)
• M15: 10,297,869 km (0.043 R)
• M16: 13,153,393 km (0.099 R)
• M17: 14,120,244 km (0.046 R)
• M18: 14,620,948 km (0.115 R)
• M19: 16,559,288 km (0.089 R)
• M20: 17,179,071 km (0.07 R)
• M21: 19,334,328 km (0.099 R)
• M22: 20,300,880 km (0.063 R)
• M23: 25,133,190 km (0.112 R)
• M24: 25,622,076 km (0.103 R)
• M25: 27,641,647 km (0.116 R)
• M26: 28,513,653 km (0.057 R)
• M27: 28,867,452 km (0.097 R)
• M28: 30,404,271 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.3

Radius: 10.4

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.15 AU - 10.89 AU

Year: 9611 Days

Day: 11 Hours

Environment

Temp: -158 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,279,960 km

• M1: 135,087 km (0.055 R)
• M2: 713,133 km (0.112 R)
• M3: 1,088,175 km (0.102 R)
• M4: 1,948,363 km (0.09 R)
• M5: 2,277,777 km (0.082 R)
• M6: 3,211,567 km (0.034 R)
• M7: 3,624,756 km (0.104 R)
• M8: 4,708,443 km (0.081 R)
• M9: 5,611,117 km (0.069 R)
• M10: 5,960,278 km (0.12 R)
• M11: 6,360,901 km (0.071 R)
• M12: 7,055,634 km (0.085 R)
• M13: 10,092,620 km (0.063 R)
• M14: 10,769,401 km (0.029 R)
• M15: 12,329,557 km (0.105 R)
• M16: 14,291,234 km (0.056 R)
• M17: 19,928,980 km (0.049 R)
• M18: 24,416,168 km (0.119 R)
• M19: 26,893,957 km (0.048 R)
• M20: 33,016,250 km (0.066 R)
• M21: 41,699,808 km (0.07 R)
• M22: 42,898,835 km (0.074 R)
• M23: 45,505,578 km (0.032 R)
• M24: 46,918,979 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.1

Radius: 8.2

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 8.04 AU - 12.9 AU

Year: 12019 Days

Day: 13 Hours

Environment

Temp: -175 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,279,960 km

• M1: 121,922 km (0.115 R)
• M2: 989,889 km (0.09 R)
• M3: 1,453,792 km (0.094 R)
• M4: 2,090,181 km (0.108 R)
• M5: 4,039,143 km (0.102 R)
• M6: 6,177,943 km (0.106 R)
• M7: 6,697,347 km (0.068 R)
• M8: 7,086,002 km (0.061 R)
• M9: 7,908,491 km (0.1 R)
• M10: 11,455,008 km (0.048 R)
• M11: 12,296,347 km (0.083 R)
• M12: 17,274,515 km (0.098 R)
• M13: 22,318,656 km (0.065 R)
• M14: 24,166,638 km (0.107 R)
• M15: 26,883,186 km (0.107 R)
• M16: 28,871,192 km (0.058 R)
• M17: 34,494,726 km (0.065 R)
• M18: 35,653,960 km (0.112 R)
• M19: 38,913,249 km (0.119 R)
• M20: 40,935,662 km (0.057 R)

Kuiper Belt

Range: 30.9 - 58.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 15,496 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit