🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.2

Radius: 11.1

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.79 AU - 1.27 AU

Year: 686 Days

Day: 9.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,900,038 km

• M1: 138,079 km (0.077 R)
• M2: 576,401 km (0.04 R)
• M3: 1,110,914 km (0.099 R)
• M4: 1,531,134 km (0.068 R)
• M5: 3,329,001 km (0.101 R)
• M6: 5,130,758 km (0.084 R)
• M7: 5,676,790 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.2

Radius: 14.5

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.9 AU - 1.24 AU

Year: 726 Days

Day: 11.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,900,038 km

• M1: 180,265 km (0.096 R)
• M2: 683,363 km (0.034 R)
• M3: 1,136,345 km (0.115 R)
• M4: 1,745,658 km (0.059 R)
• M5: 2,479,286 km (0.111 R)
• M6: 2,939,897 km (0.064 R)
• M7: 3,776,149 km (0.046 R)
• M8: 4,244,540 km (0.079 R)
• M9: 4,954,681 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.7

Radius: 10.2

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.36 AU - 3.58 AU

Year: 3358 Days

Day: 12.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,900,038 km

• M1: 127,906 km (0.098 R)
• M2: 542,292 km (0.089 R)
• M3: 963,859 km (0.096 R)
• M4: 1,357,152 km (0.109 R)
• M5: 1,695,542 km (0.116 R)
• M6: 2,018,674 km (0.113 R)
• M7: 5,563,545 km (0.103 R)
• M8: 5,905,675 km (0.096 R)
• M9: 6,445,574 km (0.107 R)
• M10: 6,768,705 km (0.112 R)
• M11: 7,130,882 km (0.092 R)
• M12: 7,564,865 km (0.057 R)
• M13: 7,985,834 km (0.04 R)
• M14: 9,618,245 km (0.063 R)
• M15: 10,810,989 km (0.107 R)
• M16: 14,379,198 km (0.106 R)
• M17: 16,628,252 km (0.047 R)
• M18: 17,033,214 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.3

Radius: 12.5

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.35 AU - 3.47 AU

Year: 4131 Days

Day: 5.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 25,900,038 km

• M1: 156,180 km (0.101 R)
• M2: 922,420 km (0.042 R)
• M3: 1,534,874 km (0.113 R)
• M4: 2,318,767 km (0.096 R)
• M5: 3,277,989 km (0.115 R)
• M6: 4,031,812 km (0.07 R)
• M7: 4,604,323 km (0.103 R)
• M8: 5,442,819 km (0.099 R)
• M9: 6,261,419 km (0.099 R)
• M10: 8,143,659 km (0.027 R)
• M11: 8,985,895 km (0.065 R)
• M12: 10,170,561 km (0.096 R)
• M13: 10,800,667 km (0.031 R)
• M14: 11,681,200 km (0.09 R)
• M15: 14,040,807 km (0.064 R)
• M16: 15,143,493 km (0.043 R)
• M17: 15,633,426 km (0.099 R)
• M18: 16,416,422 km (0.033 R)
• M19: 16,933,581 km (0.089 R)
• M20: 18,365,831 km (0.076 R)
• M21: 19,237,837 km (0.102 R)
• M22: 19,684,088 km (0.032 R)
• M23: 20,399,166 km (0.088 R)
• M24: 21,064,278 km (0.092 R)
• M25: 22,019,759 km (0.054 R)
• M26: 23,003,814 km (0.109 R)
• M27: 25,059,738 km (0.053 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 18,644 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit