🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.1

Radius: 13.6

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.59 AU - 0.65 AU

Year: 337 Days

Day: 8.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,972,811 km

• M1: 169,195 km (0.09 R)
• M2: 638,633 km (0.107 R)
• M3: 1,073,664 km (0.117 R)
• M4: 1,848,730 km (0.089 R)
• M5: 2,641,599 km (0.114 R)
• M6: 3,123,304 km (0.09 R)
• M7: 3,963,446 km (0.112 R)
• M8: 4,458,316 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.3

Radius: 13.9

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.76 AU - 1.82 AU

Year: 1653 Days

Day: 9.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,972,811 km

• M1: 172,935 km (0.077 R)
• M2: 871,856 km (0.078 R)
• M3: 1,456,485 km (0.093 R)
• M4: 2,095,268 km (0.026 R)
• M5: 3,341,867 km (0.107 R)
• M6: 3,808,463 km (0.068 R)
• M7: 4,914,739 km (0.05 R)
• M8: 5,543,499 km (0.087 R)
• M9: 6,537,876 km (0.061 R)
• M10: 7,512,955 km (0.042 R)
• M11: 9,945,865 km (0.059 R)
• M12: 11,199,944 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.6

Radius: 14.4

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.6 AU - 2.94 AU

Year: 3182 Days

Day: 12.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,972,811 km

• M1: 179,069 km (0.08 R)
• M2: 747,541 km (0.116 R)
• M3: 1,791,285 km (0.102 R)
• M4: 2,257,133 km (0.087 R)
• M5: 2,726,122 km (0.077 R)
• M6: 3,825,517 km (0.097 R)
• M7: 4,345,669 km (0.106 R)
• M8: 6,253,640 km (0.11 R)
• M9: 7,131,330 km (0.051 R)
• M10: 8,462,153 km (0.087 R)
• M11: 9,952,597 km (0.096 R)
• M12: 10,821,461 km (0.083 R)
• M13: 11,316,481 km (0.117 R)
• M14: 13,449,447 km (0.1 R)
• M15: 16,050,056 km (0.081 R)
• M16: 17,412,743 km (0.026 R)
• M17: 21,187,995 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 606.7

Radius: 6.8

Gravity: 13.12 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 9.51 AU - 9.59 AU

Year: 20371 Days

Day: 24.4 Hours

Environment

Temp: -245 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 73,972,811 km

• M1: 85,271 km (0.07 R)
• M2: 567,724 km (0.073 R)
• M3: 1,655,001 km (0.062 R)
• M4: 1,905,278 km (0.056 R)
• M5: 2,460,586 km (0.108 R)
• M6: 2,937,653 km (0.054 R)
• M7: 3,390,187 km (0.082 R)
• M8: 4,012,215 km (0.085 R)
• M9: 4,920,573 km (0.072 R)
• M10: 6,041,510 km (0.067 R)
• M11: 6,907,831 km (0.062 R)
• M12: 8,154,281 km (0.116 R)
• M13: 8,830,762 km (0.102 R)
• M14: 13,985,307 km (0.098 R)
• M15: 14,877,059 km (0.109 R)
• M16: 16,365,708 km (0.085 R)
• M17: 17,355,597 km (0.092 R)
• M18: 18,825,246 km (0.09 R)
• M19: 20,753,114 km (0.082 R)
• M20: 28,358,371 km (0.086 R)
• M21: 32,647,940 km (0.1 R)
• M22: 33,554,802 km (0.096 R)
• M23: 46,754,571 km (0.11 R)
• M24: 47,081,591 km (0.098 R)
• M25: 50,265,932 km (0.036 R)
• M26: 69,414,908 km (0.079 R)
• M27: 69,627,636 km (0.051 R)
• M28: 69,840,664 km (0.028 R)
• M29: 73,530,345 km (0.045 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 12,838 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit