🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.6 AU - 0.7 AU

Year: 187 Days

Day: 43 Hours

Environment

Temp: 139 °C

Axial Tilt: 34.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.72 AU - 0.96 AU

Year: 274 Days

Day: 15.8 Hours

Environment

Temp: 135 °C

Axial Tilt: 34.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.34 AU - 1.54 AU

Year: 616 Days

Day: 22.1 Hours

Environment

Temp: -17 °C

Axial Tilt: 29.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.8 AU - 2.22 AU

Year: 1016 Days

Day: 17 Hours

Environment

Temp: -53 °C

Axial Tilt: 19.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.18 AU - 2.56 AU

Year: 1301 Days

Day: 27.9 Hours

Environment

Temp: -85 °C

Axial Tilt: 46.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.25 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.8

Radius: 12.7

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 7.7 AU - 8.56 AU

Year: 8263 Days

Day: 12.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,750,499 km

• M1: 157,975 km (0.111 R)
• M2: 727,046 km (0.106 R)
• M3: 1,460,524 km (0.056 R)
• M4: 1,936,096 km (0.099 R)
• M5: 2,534,038 km (0.078 R)
• M6: 2,992,107 km (0.093 R)
• M7: 4,025,380 km (0.074 R)
• M8: 5,067,478 km (0.107 R)
• M9: 8,871,603 km (0.074 R)
• M10: 9,371,559 km (0.092 R)
• M11: 12,104,562 km (0.049 R)
• M12: 12,834,749 km (0.082 R)
• M13: 14,946,922 km (0.091 R)
• M14: 15,525,417 km (0.096 R)
• M15: 15,985,879 km (0.099 R)
• M16: 16,387,699 km (0.07 R)
• M17: 18,572,426 km (0.103 R)
• M18: 19,696,355 km (0.073 R)
• M19: 20,314,194 km (0.118 R)
• M20: 25,822,986 km (0.067 R)
• M21: 26,750,642 km (0.083 R)
• M22: 28,770,662 km (0.112 R)
• M23: 31,514,886 km (0.063 R)
• M24: 38,588,322 km (0.103 R)
• M25: 39,070,177 km (0.056 R)
• M26: 39,923,184 km (0.063 R)
• M27: 41,163,201 km (0.109 R)
• M28: 43,329,826 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.6

Radius: 13.7

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 8.05 AU - 9.53 AU

Year: 9289 Days

Day: 9.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,750,499 km

• M1: 170,841 km (0.092 R)
• M2: 709,393 km (0.112 R)
• M3: 1,223,112 km (0.064 R)
• M4: 1,693,597 km (0.05 R)
• M5: 2,356,765 km (0.045 R)
• M6: 3,233,259 km (0.111 R)
• M7: 3,797,392 km (0.043 R)
• M8: 5,405,719 km (0.103 R)
• M9: 8,206,341 km (0.086 R)
• M10: 9,308,728 km (0.034 R)
• M11: 11,645,596 km (0.056 R)
• M12: 12,579,984 km (0.047 R)
• M13: 15,295,335 km (0.041 R)
• M14: 17,946,808 km (0.093 R)
• M15: 18,599,802 km (0.082 R)
• M16: 21,858,792 km (0.117 R)
• M17: 24,232,013 km (0.12 R)
• M18: 24,673,177 km (0.08 R)
• M19: 26,491,988 km (0.107 R)
• M20: 39,200,925 km (0.074 R)
• M21: 39,809,489 km (0.068 R)
• M22: 43,334,763 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 580.7

Radius: 3.4

Gravity: 50.23 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 14.89 AU - 15.13 AU

Year: 20728 Days

Day: 17.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,750,499 km

• M1: 42,336 km (0.099 R)
• M2: 248,931 km (0.098 R)
• M3: 631,901 km (0.101 R)
• M4: 1,166,564 km (0.067 R)
• M5: 1,278,912 km (0.105 R)
• M6: 3,148,586 km (0.107 R)
• M7: 3,367,897 km (0.092 R)
• M8: 4,516,210 km (0.117 R)
• M9: 7,216,751 km (0.118 R)
• M10: 9,311,271 km (0.04 R)
• M11: 10,287,098 km (0.063 R)
• M12: 12,039,936 km (0.118 R)
• M13: 13,909,161 km (0.099 R)
• M14: 15,646,890 km (0.11 R)
• M15: 17,779,557 km (0.11 R)
• M16: 25,216,067 km (0.062 R)
• M17: 26,312,021 km (0.098 R)
• M18: 27,668,575 km (0.107 R)
• M19: 27,899,105 km (0.059 R)
• M20: 31,013,733 km (0.05 R)
• M21: 34,618,593 km (0.086 R)
• M22: 46,761,452 km (0.112 R)

Kuiper Belt

Range: 30.8 - 48.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 229 - 14,632 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit