🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.61 AU - 0.65 AU

Year: 182 Days

Day: 22.5 Hours

Environment

Temp: 191 °C

Axial Tilt: 21.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.08 AU - 1.58 AU

Year: 557 Days

Day: 43.6 Hours

Environment

Temp: 3 °C

Axial Tilt: 17.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.23 AU - 3.73 AU

Year: 2359 Days

Day: 22.2 Hours

Environment

Temp: -117 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.7

Radius: 13.8

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.31 AU - 6.39 AU

Year: 5142 Days

Day: 10.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 94,397,497 km

• M1: 174,581 km (0.027 R)
• M2: 698,772 km (0.11 R)
• M3: 1,346,680 km (0.072 R)
• M4: 2,443,382 km (0.059 R)
• M5: 3,250,014 km (0.048 R)
• M6: 3,874,585 km (0.05 R)
• M7: 7,180,698 km (0.083 R)
• M8: 8,209,931 km (0.109 R)
• M9: 12,030,362 km (0.102 R)
• M10: 13,531,277 km (0.116 R)
• M11: 14,829,936 km (0.091 R)
• M12: 15,482,183 km (0.097 R)
• M13: 16,496,307 km (0.107 R)
• M14: 17,734,828 km (0.109 R)
• M15: 18,284,301 km (0.068 R)
• M16: 21,477,766 km (0.118 R)
• M17: 26,659,986 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753

Radius: 12

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.6 AU - 6.42 AU

Year: 5355 Days

Day: 13.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 94,397,497 km

• M1: 150,944 km (0.074 R)
• M2: 675,135 km (0.058 R)
• M3: 1,183,618 km (0.101 R)
• M4: 1,903,035 km (0.05 R)
• M5: 2,589,539 km (0.069 R)
• M6: 3,147,838 km (0.054 R)
• M7: 3,542,029 km (0.095 R)
• M8: 4,040,040 km (0.028 R)
• M9: 4,741,355 km (0.104 R)
• M10: 5,149,608 km (0.069 R)
• M11: 5,730,496 km (0.088 R)
• M12: 6,989,213 km (0.109 R)
• M13: 7,813,497 km (0.073 R)
• M14: 9,741,664 km (0.052 R)
• M15: 10,135,854 km (0.114 R)
• M16: 11,003,073 km (0.105 R)
• M17: 12,269,269 km (0.057 R)
• M18: 12,677,672 km (0.093 R)
• M19: 14,347,333 km (0.045 R)
• M20: 16,526,526 km (0.116 R)
• M21: 18,250,342 km (0.096 R)
• M22: 22,202,418 km (0.118 R)
• M23: 26,352,413 km (0.119 R)
• M24: 29,058,040 km (0.119 R)
• M25: 32,039,825 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.5

Radius: 12

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.3 AU - 8.42 AU

Year: 6530 Days

Day: 7.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 94,397,497 km

• M1: 149,448 km (0.092 R)
• M2: 1,067,530 km (0.101 R)
• M3: 1,660,237 km (0.078 R)
• M4: 2,049,640 km (0.114 R)
• M5: 3,940,258 km (0.093 R)
• M6: 4,812,115 km (0.05 R)
• M7: 5,523,752 km (0.113 R)
• M8: 6,475,942 km (0.109 R)
• M9: 8,789,772 km (0.115 R)
• M10: 10,133,012 km (0.079 R)
• M11: 12,184,148 km (0.096 R)
• M12: 13,055,107 km (0.119 R)
• M13: 16,498,102 km (0.115 R)
• M14: 16,892,442 km (0.029 R)
• M15: 19,103,798 km (0.099 R)
• M16: 22,854,067 km (0.078 R)
• M17: 24,687,389 km (0.053 R)
• M18: 26,080,893 km (0.091 R)
• M19: 28,929,236 km (0.096 R)
• M20: 37,001,388 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.7

Radius: 4.1

Gravity: 42.28 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 16.05 AU - 19.41 AU

Year: 27133 Days

Day: 17 Hours

Environment

Temp: -204 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 94,397,497 km

• M1: 52,509 km (0.051 R)
• M2: 629,209 km (0.031 R)
• M3: 805,734 km (0.05 R)
• M4: 1,198,877 km (0.055 R)
• M5: 3,472,466 km (0.118 R)
• M6: 3,958,958 km (0.119 R)
• M7: 4,868,812 km (0.103 R)
• M8: 9,971,895 km (0.093 R)
• M9: 15,323,609 km (0.04 R)
• M10: 20,226,679 km (0.106 R)
• M11: 22,974,493 km (0.101 R)
• M12: 27,796,332 km (0.067 R)
• M13: 36,004,318 km (0.042 R)
• M14: 40,012,793 km (0.107 R)
• M15: 43,123,232 km (0.093 R)
• M16: 55,175,435 km (0.046 R)
• M17: 58,401,513 km (0.076 R)
• M18: 59,434,785 km (0.065 R)
• M19: 69,750,755 km (0.118 R)
• M20: 81,197,087 km (0.114 R)

Kuiper Belt

Range: 30.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 19,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit