🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.1

Radius: 14.8

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.47 AU - 0.71 AU

Year: 313 Days

Day: 7.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,800,160 km

• M1: 184,005 km (0.057 R)
• M2: 1,117,945 km (0.109 R)
• M3: 1,698,983 km (0.085 R)
• M4: 3,050,749 km (0.088 R)
• M5: 3,985,287 km (0.115 R)
• M6: 4,455,773 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.5

Radius: 13.1

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.65 AU - 0.73 AU

Year: 396 Days

Day: 7.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,800,160 km

• M1: 162,912 km (0.059 R)
• M2: 623,524 km (0.118 R)
• M3: 1,150,258 km (0.1 R)
• M4: 2,193,853 km (0.099 R)
• M5: 2,665,086 km (0.088 R)
• M6: 3,184,939 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.2

Radius: 11

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.24 AU - 4.88 AU

Year: 5647 Days

Day: 9.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,800,160 km

• M1: 136,882 km (0.047 R)
• M2: 525,837 km (0.092 R)
• M3: 1,727,706 km (0.113 R)
• M4: 2,087,937 km (0.048 R)
• M5: 2,605,546 km (0.087 R)
• M6: 3,207,229 km (0.078 R)
• M7: 3,711,972 km (0.099 R)
• M8: 5,107,870 km (0.1 R)
• M9: 5,956,538 km (0.06 R)
• M10: 6,348,036 km (0.111 R)
• M11: 8,247,630 km (0.101 R)
• M12: 10,499,826 km (0.081 R)
• M13: 11,024,166 km (0.117 R)
• M14: 11,818,082 km (0.052 R)
• M15: 15,198,096 km (0.087 R)
• M16: 22,051,325 km (0.077 R)
• M17: 23,310,789 km (0.078 R)
• M18: 23,958,249 km (0.064 R)
• M19: 26,406,119 km (0.057 R)
• M20: 28,830,801 km (0.118 R)
• M21: 33,094,490 km (0.07 R)
• M22: 35,270,241 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.4

Radius: 14.1

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.37 AU - 5.07 AU

Year: 7078 Days

Day: 11.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,800,160 km

• M1: 175,478 km (0.095 R)
• M2: 921,373 km (0.103 R)
• M3: 2,247,708 km (0.091 R)
• M4: 3,098,621 km (0.082 R)
• M5: 3,847,657 km (0.072 R)
• M6: 5,295,465 km (0.069 R)
• M7: 6,048,840 km (0.113 R)
• M8: 6,941,640 km (0.114 R)
• M9: 7,658,364 km (0.099 R)
• M10: 8,825,676 km (0.078 R)
• M11: 10,516,581 km (0.035 R)
• M12: 11,366,147 km (0.083 R)
• M13: 11,857,576 km (0.112 R)
• M14: 13,581,093 km (0.113 R)
• M15: 16,440,956 km (0.109 R)
• M16: 17,781,502 km (0.108 R)
• M17: 18,579,607 km (0.067 R)
• M18: 19,471,210 km (0.102 R)
• M19: 20,176,115 km (0.119 R)
• M20: 23,879,859 km (0.117 R)
• M21: 28,913,528 km (0.104 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 17,042 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit