🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.93 AU - 1.35 AU

Year: 447 Days

Day: 26.9 Hours

Environment

Temp: 9 °C

Axial Tilt: 13.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 24,537,092 km

• M1: 100,829 km (0.081 R)

Planet 2 - Terrestrial

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.26 AU - 4.44 AU

Year: 3330 Days

Day: 33.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 18.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.5

Radius: 12.8

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.56 AU - 6.04 AU

Year: 4479 Days

Day: 5.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,537,092 km

• M1: 166,054 km (0.063 R)
• M2: 898,186 km (0.103 R)
• M3: 1,343,389 km (0.049 R)
• M4: 2,960,841 km (0.068 R)
• M5: 6,317,219 km (0.046 R)
• M6: 8,198,861 km (0.112 R)
• M7: 9,413,446 km (0.098 R)
• M8: 10,121,194 km (0.113 R)
• M9: 11,601,165 km (0.108 R)
• M10: 12,284,080 km (0.089 R)
• M11: 13,497,169 km (0.1 R)
• M12: 14,641,293 km (0.088 R)
• M13: 17,121,925 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.2

Radius: 15

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.41 AU - 6.43 AU

Year: 5971 Days

Day: 13.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,537,092 km

• M1: 186,698 km (0.06 R)
• M2: 786,885 km (0.09 R)
• M3: 1,393,803 km (0.119 R)
• M4: 1,972,598 km (0.046 R)
• M5: 2,457,295 km (0.038 R)
• M6: 2,928,827 km (0.058 R)
• M7: 3,696,713 km (0.041 R)
• M8: 5,071,069 km (0.107 R)
• M9: 6,277,426 km (0.046 R)
• M10: 6,864,298 km (0.098 R)
• M11: 8,111,197 km (0.11 R)
• M12: 9,887,372 km (0.108 R)
• M13: 10,959,390 km (0.114 R)
• M14: 11,716,206 km (0.086 R)
• M15: 12,558,292 km (0.086 R)
• M16: 18,287,442 km (0.08 R)
• M17: 21,755,270 km (0.101 R)
• M18: 25,639,878 km (0.116 R)
• M19: 27,315,823 km (0.025 R)
• M20: 28,619,868 km (0.065 R)
• M21: 31,258,325 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.5

Radius: 13.3

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 7.44 AU - 8.88 AU

Year: 8557 Days

Day: 10.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,537,092 km

• M1: 165,455 km (0.085 R)
• M2: 1,725,163 km (0.112 R)
• M3: 2,615,868 km (0.075 R)
• M4: 6,002,016 km (0.11 R)
• M5: 7,014,195 km (0.104 R)
• M6: 9,568,729 km (0.102 R)
• M7: 11,248,563 km (0.064 R)
• M8: 11,820,177 km (0.073 R)
• M9: 12,974,175 km (0.052 R)
• M10: 14,050,531 km (0.11 R)
• M11: 16,604,765 km (0.047 R)
• M12: 22,271,533 km (0.096 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 12,139 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit