🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.97 AU - 1.33 AU

Year: 429 Days

Day: 22.6 Hours

Environment

Temp: 43 °C

Axial Tilt: 39.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.23 AU - 1.27 AU

Year: 487 Days

Day: 45.4 Hours

Environment

Temp: 14 °C

Axial Tilt: 11.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.43 AU - 1.53 AU

Year: 627 Days

Day: 28 Hours

Environment

Temp: 13 °C

Axial Tilt: 8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.15 AU - 2.51 AU

Year: 1239 Days

Day: 12.2 Hours

Environment

Temp: -64 °C

Axial Tilt: 48.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,484,844 km

• M1: 522,845 km (0.091 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.09 AU - 3.19 AU

Year: 1938 Days

Day: 21.3 Hours

Environment

Temp: -99 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.32 AU - 5.1 AU

Year: 3560 Days

Day: 24.1 Hours

Environment

Temp: -119 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.2 AU - 6.7 AU

Year: 4431 Days

Day: 24.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 48 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.6

Radius: 11.7

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 5.14 AU - 7.9 AU

Year: 5798 Days

Day: 14 Hours

Environment

Temp: -142 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,484,844 km

• M1: 145,559 km (0.106 R)
• M2: 581,487 km (0.099 R)
• M3: 1,055,563 km (0.056 R)
• M4: 1,490,294 km (0.104 R)
• M5: 2,085,694 km (0.098 R)
• M6: 2,525,062 km (0.036 R)
• M7: 3,416,217 km (0.105 R)
• M8: 5,042,196 km (0.053 R)
• M9: 5,512,382 km (0.064 R)
• M10: 6,184,825 km (0.062 R)
• M11: 7,795,395 km (0.072 R)
• M12: 8,827,621 km (0.089 R)
• M13: 9,280,454 km (0.109 R)
• M14: 10,029,340 km (0.095 R)
• M15: 11,205,778 km (0.079 R)
• M16: 13,781,405 km (0.073 R)
• M17: 14,703,825 km (0.115 R)
• M18: 18,501,965 km (0.105 R)
• M19: 22,072,867 km (0.064 R)
• M20: 22,698,036 km (0.104 R)
• M21: 24,056,534 km (0.093 R)

Asteroid Belt

Center: 6.81 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.3

Radius: 14.4

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.91 AU - 8.29 AU

Year: 6588 Days

Day: 9.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,484,844 km

• M1: 179,218 km (0.047 R)
• M2: 1,290,431 km (0.07 R)
• M3: 1,900,043 km (0.088 R)
• M4: 2,594,775 km (0.095 R)
• M5: 4,998,813 km (0.068 R)
• M6: 5,683,672 km (0.047 R)
• M7: 6,561,213 km (0.112 R)
• M8: 7,894,579 km (0.029 R)
• M9: 10,767,905 km (0.112 R)
• M10: 11,330,842 km (0.085 R)
• M11: 12,312,952 km (0.112 R)
• M12: 13,727,699 km (0.053 R)
• M13: 25,967,946 km (0.091 R)

Planet 10 - Gas Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.8

Radius: 14.4

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 6.95 AU - 7.97 AU

Year: 7096 Days

Day: 10.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,484,844 km

• M1: 179,218 km (0.097 R)
• M2: 628,012 km (0.106 R)
• M3: 1,133,353 km (0.038 R)
• M4: 1,681,779 km (0.104 R)
• M5: 2,424,533 km (0.038 R)
• M6: 3,615,033 km (0.037 R)
• M7: 4,097,486 km (0.095 R)
• M8: 5,053,865 km (0.064 R)
• M9: 6,154,307 km (0.036 R)
• M10: 6,950,018 km (0.083 R)
• M11: 7,481,539 km (0.119 R)
• M12: 8,155,178 km (0.091 R)
• M13: 10,196,292 km (0.066 R)
• M14: 10,978,240 km (0.061 R)
• M15: 12,455,668 km (0.049 R)
• M16: 13,950,749 km (0.074 R)
• M17: 15,031,594 km (0.033 R)
• M18: 19,569,197 km (0.073 R)
• M19: 24,378,170 km (0.038 R)
• M20: 25,693,285 km (0.069 R)
• M21: 28,644,551 km (0.098 R)

Kuiper Belt

Range: 31.5 - 59.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 16,140 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit