🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.98 AU - 1.62 AU

Year: 553 Days

Day: 14.3 Hours

Environment

Temp: -20 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.38 AU - 2.02 AU

Year: 826 Days

Day: 28.3 Hours

Environment

Temp: -62 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.06 AU - 2.12 AU

Year: 1126 Days

Day: 40.5 Hours

Environment

Temp: -76 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.7

Radius: 10.8

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.24 AU - 5.16 AU

Year: 3798 Days

Day: 7.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,581,270 km

• M1: 164,109 km (0.032 R)
• M2: 644,019 km (0.114 R)
• M3: 2,093,622 km (0.087 R)
• M4: 2,537,180 km (0.108 R)
• M5: 3,099,069 km (0.068 R)
• M6: 6,369,129 km (0.026 R)
• M7: 7,687,087 km (0.088 R)
• M8: 9,661,629 km (0.084 R)
• M9: 12,096,035 km (0.11 R)
• M10: 13,634,948 km (0.066 R)
• M11: 16,095,684 km (0.046 R)
• M12: 16,621,221 km (0.092 R)
• M13: 17,892,055 km (0.079 R)
• M14: 18,710,505 km (0.084 R)
• M15: 20,422,204 km (0.104 R)
• M16: 21,950,047 km (0.104 R)
• M17: 24,230,517 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.3

Radius: 12.1

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.87 AU - 6.99 AU

Year: 6078 Days

Day: 13 Hours

Environment

Temp: -155 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,581,270 km

• M1: 150,495 km (0.113 R)
• M2: 992,731 km (0.12 R)
• M3: 1,556,566 km (0.032 R)
• M4: 3,361,015 km (0.113 R)
• M5: 5,975,537 km (0.12 R)
• M6: 7,021,825 km (0.108 R)
• M7: 8,487,136 km (0.111 R)
• M8: 10,363,692 km (0.118 R)
• M9: 14,809,890 km (0.12 R)
• M10: 15,657,512 km (0.09 R)
• M11: 19,979,244 km (0.056 R)
• M12: 22,011,980 km (0.095 R)
• M13: 24,179,205 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 99.7

Radius: 4.2

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 14 AU - 18.4 AU

Year: 24307 Days

Day: 19.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,581,270 km

• M1: 52,359 km (0.112 R)
• M2: 205,847 km (0.072 R)
• M3: 635,641 km (0.093 R)
• M4: 843,283 km (0.096 R)
• M5: 2,004,312 km (0.097 R)
• M6: 4,689,295 km (0.081 R)
• M7: 6,198,887 km (0.101 R)
• M8: 13,868,620 km (0.095 R)
• M9: 18,501,666 km (0.083 R)
• M10: 20,837,787 km (0.073 R)
• M11: 23,363,148 km (0.049 R)
• M12: 26,941,230 km (0.063 R)
• M13: 30,033,269 km (0.08 R)
• M14: 31,825,301 km (0.095 R)
• M15: 38,964,561 km (0.064 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 20,328 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit