🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.57 AU - 0.77 AU

Year: 360 Days

Day: 25.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,942,748 km

• M1: 207,492 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.1

Radius: 11.5

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.97 AU - 1.21 AU

Year: 747 Days

Day: 7.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,942,748 km

• M1: 143,016 km (0.082 R)
• M2: 701,315 km (0.059 R)
• M3: 1,108,819 km (0.106 R)
• M4: 1,694,345 km (0.096 R)
• M5: 2,160,642 km (0.115 R)
• M6: 2,924,190 km (0.097 R)
• M7: 4,332,953 km (0.115 R)
• M8: 4,827,972 km (0.096 R)
• M9: 5,305,488 km (0.095 R)
• M10: 6,314,676 km (0.058 R)
• M11: 6,713,803 km (0.09 R)
• M12: 7,174,714 km (0.051 R)
• M13: 7,965,638 km (0.12 R)
• M14: 8,382,417 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.8

Radius: 14.4

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.91 AU - 2.37 AU

Year: 2054 Days

Day: 14.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,942,748 km

• M1: 179,069 km (0.083 R)
• M2: 819,048 km (0.102 R)
• M3: 1,612,366 km (0.103 R)
• M4: 2,271,344 km (0.105 R)
• M5: 2,797,630 km (0.11 R)
• M6: 3,954,620 km (0.11 R)
• M7: 4,995,372 km (0.11 R)
• M8: 5,569,080 km (0.077 R)
• M9: 6,797,428 km (0.07 R)
• M10: 8,686,400 km (0.069 R)
• M11: 9,786,394 km (0.099 R)
• M12: 12,499,650 km (0.119 R)

Asteroid Belt

Center: 4.48 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 755.7

Radius: 5.3

Gravity: 26.9 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.63 AU - 7.01 AU

Year: 11684 Days

Day: 23.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,942,748 km

• M1: 65,973 km (0.05 R)
• M2: 316,998 km (0.109 R)
• M3: 511,475 km (0.103 R)
• M4: 986,598 km (0.096 R)
• M5: 1,349,672 km (0.073 R)
• M6: 1,547,590 km (0.067 R)
• M7: 2,056,073 km (0.097 R)
• M8: 7,345,405 km (0.097 R)
• M9: 9,651,606 km (0.066 R)
• M10: 10,122,091 km (0.068 R)
• M11: 12,278,544 km (0.084 R)
• M12: 16,497,055 km (0.083 R)
• M13: 22,848,681 km (0.113 R)
• M14: 23,777,235 km (0.116 R)
• M15: 36,327,300 km (0.109 R)
• M16: 37,081,722 km (0.101 R)
• M17: 40,472,507 km (0.095 R)
• M18: 43,780,714 km (0.095 R)
• M19: 46,230,080 km (0.099 R)
• M20: 46,819,346 km (0.085 R)
• M21: 48,769,355 km (0.057 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: 354 - 12,975 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit