🌌 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 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.6

Radius: 10.1

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.56 AU - 0.78 AU

Year: 379 Days

Day: 7.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,234,951 km

• M1: 125,662 km (0.119 R)
• M2: 750,233 km (0.104 R)
• M3: 1,190,350 km (0.116 R)
• M4: 1,612,964 km (0.081 R)
• M5: 1,986,361 km (0.034 R)
• M6: 2,317,570 km (0.101 R)
• M7: 2,646,237 km (0.085 R)
• M8: 3,422,650 km (0.046 R)
• M9: 3,788,267 km (0.072 R)
• M10: 4,126,059 km (0.096 R)
• M11: 4,469,984 km (0.091 R)
• M12: 4,983,853 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.4

Radius: 9.4

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.66 AU - 0.98 AU

Year: 513 Days

Day: 9.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,234,951 km

• M1: 117,135 km (0.087 R)
• M2: 578,944 km (0.106 R)
• M3: 1,056,011 km (0.098 R)
• M4: 1,596,209 km (0.118 R)
• M5: 1,893,759 km (0.103 R)
• M6: 2,654,614 km (0.072 R)
• M7: 3,310,302 km (0.104 R)
• M8: 4,281,042 km (0.108 R)
• M9: 4,678,973 km (0.099 R)
• M10: 5,347,077 km (0.063 R)
• M11: 5,721,819 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.5

Radius: 14.7

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.44 AU - 2.24 AU

Year: 1723 Days

Day: 10 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,234,951 km

• M1: 182,809 km (0.117 R)
• M2: 739,163 km (0.113 R)
• M3: 1,378,245 km (0.084 R)
• M4: 2,222,276 km (0.078 R)
• M5: 2,847,296 km (0.114 R)
• M6: 3,343,812 km (0.1 R)
• M7: 3,880,868 km (0.108 R)
• M8: 4,553,909 km (0.086 R)
• M9: 5,572,072 km (0.095 R)
• M10: 6,356,713 km (0.114 R)
• M11: 7,025,864 km (0.102 R)
• M12: 7,827,559 km (0.105 R)
• M13: 9,064,135 km (0.059 R)
• M14: 9,846,382 km (0.118 R)
• M15: 10,357,857 km (0.104 R)
• M16: 12,270,317 km (0.111 R)
• M17: 12,783,288 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.7

Radius: 14

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.49 AU - 2.21 AU

Year: 1737 Days

Day: 11.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,234,951 km

• M1: 175,777 km (0.107 R)
• M2: 627,413 km (0.076 R)
• M3: 1,075,160 km (0.068 R)
• M4: 1,649,915 km (0.091 R)
• M5: 2,097,512 km (0.068 R)
• M6: 3,014,995 km (0.077 R)
• M7: 3,836,288 km (0.078 R)
• M8: 4,781,597 km (0.053 R)
• M9: 6,244,066 km (0.119 R)
• M10: 7,495,452 km (0.1 R)
• M11: 8,076,191 km (0.046 R)
• M12: 10,384,935 km (0.098 R)
• M13: 11,331,291 km (0.066 R)
• M14: 11,787,115 km (0.096 R)
• M15: 13,021,896 km (0.074 R)
• M16: 13,992,487 km (0.076 R)
• M17: 15,284,414 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.7

Radius: 8.6

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.24 AU - 3.02 AU

Year: 2944 Days

Day: 13.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,234,951 km

• M1: 107,561 km (0.116 R)
• M2: 416,181 km (0.099 R)
• M3: 729,290 km (0.084 R)
• M4: 2,439,343 km (0.09 R)
• M5: 4,311,111 km (0.101 R)
• M6: 6,403,686 km (0.118 R)
• M7: 7,275,094 km (0.086 R)
• M8: 8,757,759 km (0.118 R)
• M9: 10,500,424 km (0.07 R)
• M10: 11,672,673 km (0.064 R)
• M11: 12,044,573 km (0.026 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.5

Radius: 7.2

Gravity: 17.72 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.31 AU - 8.01 AU

Year: 11864 Days

Day: 15.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,234,951 km

• M1: 89,908 km (0.109 R)
• M2: 380,128 km (0.064 R)
• M3: 727,943 km (0.061 R)
• M4: 2,027,650 km (0.118 R)
• M5: 3,208,575 km (0.055 R)
• M6: 3,597,978 km (0.101 R)
• M7: 4,597,891 km (0.089 R)
• M8: 5,372,060 km (0.077 R)
• M9: 5,997,977 km (0.038 R)
• M10: 6,508,704 km (0.115 R)
• M11: 7,981,495 km (0.119 R)
• M12: 8,648,103 km (0.102 R)
• M13: 9,299,752 km (0.088 R)
• M14: 10,532,139 km (0.078 R)
• M15: 13,187,052 km (0.099 R)
• M16: 14,949,166 km (0.105 R)
• M17: 19,016,881 km (0.106 R)
• M18: 22,442,523 km (0.057 R)
• M19: 23,766,315 km (0.077 R)
• M20: 24,447,434 km (0.09 R)
• M21: 27,196,743 km (0.039 R)
• M22: 28,049,302 km (0.076 R)
• M23: 28,809,857 km (0.106 R)
• M24: 36,029,002 km (0.088 R)
• M25: 41,365,008 km (0.049 R)
• M26: 53,736,752 km (0.083 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 17,134 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit