🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.7

Radius: 11.2

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.71 AU - 0.73 AU

Year: 422 Days

Day: 9.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,056,203 km

• M1: 139,425 km (0.105 R)
• M2: 540,796 km (0.082 R)
• M3: 932,743 km (0.07 R)
• M4: 1,501,215 km (0.09 R)
• M5: 1,971,700 km (0.056 R)
• M6: 2,327,144 km (0.12 R)
• M7: 2,837,722 km (0.097 R)
• M8: 3,469,175 km (0.066 R)
• M9: 4,125,012 km (0.12 R)
• M10: 4,554,208 km (0.069 R)
• M11: 4,906,810 km (0.034 R)
• M12: 5,584,638 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.5

Radius: 10.2

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.72 AU - 0.9 AU

Year: 503 Days

Day: 12.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,056,203 km

• M1: 127,009 km (0.08 R)
• M2: 456,274 km (0.086 R)
• M3: 1,012,030 km (0.109 R)
• M4: 1,491,790 km (0.12 R)
• M5: 2,009,698 km (0.08 R)
• M6: 2,345,096 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.8

Radius: 14.9

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.42 AU - 2.16 AU

Year: 1653 Days

Day: 12.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,056,203 km

• M1: 185,352 km (0.094 R)
• M2: 766,689 km (0.1 R)
• M3: 1,398,740 km (0.106 R)
• M4: 2,002,966 km (0.106 R)
• M5: 2,780,576 km (0.081 R)
• M6: 3,345,756 km (0.097 R)
• M7: 4,024,632 km (0.094 R)
• M8: 4,547,476 km (0.076 R)
• M9: 5,660,634 km (0.08 R)
• M10: 6,269,497 km (0.117 R)
• M11: 7,881,414 km (0.083 R)
• M12: 9,518,763 km (0.101 R)
• M13: 10,240,872 km (0.076 R)
• M14: 10,851,830 km (0.067 R)
• M15: 11,373,328 km (0.119 R)
• M16: 13,289,676 km (0.069 R)
• M17: 14,324,894 km (0.113 R)
• M18: 15,136,163 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.5

Radius: 10.1

Gravity: 9.22 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.34 AU - 2.92 AU

Year: 2944 Days

Day: 9.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,056,203 km

• M1: 125,961 km (0.106 R)
• M2: 523,742 km (0.114 R)
• M3: 837,898 km (0.092 R)
• M4: 3,757,151 km (0.092 R)
• M5: 4,491,526 km (0.037 R)
• M6: 6,447,668 km (0.118 R)
• M7: 8,238,504 km (0.077 R)
• M8: 11,211,762 km (0.086 R)
• M9: 12,496,509 km (0.059 R)
• M10: 13,198,272 km (0.075 R)
• M11: 13,631,956 km (0.092 R)
• M12: 17,681,571 km (0.071 R)
• M13: 19,541,820 km (0.083 R)
• M14: 22,811,431 km (0.036 R)
• M15: 23,366,439 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.7

Radius: 9

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.26 AU - 4.86 AU

Year: 5647 Days

Day: 14.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,056,203 km

• M1: 113,096 km (0.098 R)
• M2: 478,713 km (0.106 R)
• M3: 922,420 km (0.117 R)
• M4: 1,235,529 km (0.071 R)
• M5: 1,532,780 km (0.089 R)
• M6: 3,799,936 km (0.109 R)
• M7: 4,422,861 km (0.117 R)
• M8: 4,933,588 km (0.116 R)
• M9: 5,276,915 km (0.09 R)
• M10: 6,093,121 km (0.084 R)
• M11: 7,058,476 km (0.12 R)
• M12: 7,565,912 km (0.081 R)
• M13: 8,023,682 km (0.094 R)
• M14: 8,810,118 km (0.048 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 835.8

Radius: 7.5

Gravity: 14.86 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.88 AU - 7.36 AU

Year: 11757 Days

Day: 24.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,056,203 km

• M1: 93,349 km (0.06 R)
• M2: 363,373 km (0.034 R)
• M3: 708,047 km (0.107 R)
• M4: 1,026,690 km (0.112 R)
• M5: 1,265,000 km (0.1 R)
• M6: 1,890,767 km (0.087 R)
• M7: 2,684,983 km (0.075 R)
• M8: 3,472,316 km (0.041 R)
• M9: 3,990,523 km (0.093 R)
• M10: 6,198,139 km (0.04 R)
• M11: 6,511,846 km (0.113 R)
• M12: 9,831,273 km (0.1 R)
• M13: 10,587,041 km (0.103 R)
• M14: 11,555,987 km (0.117 R)
• M15: 13,343,382 km (0.096 R)
• M16: 13,603,533 km (0.102 R)
• M17: 14,747,508 km (0.079 R)
• M18: 16,619,276 km (0.098 R)
• M19: 22,527,195 km (0.097 R)
• M20: 26,301,849 km (0.088 R)
• M21: 29,477,512 km (0.114 R)
• M22: 34,829,227 km (0.106 R)
• M23: 37,345,463 km (0.084 R)
• M24: 38,779,658 km (0.082 R)
• M25: 44,305,205 km (0.072 R)
• M26: 45,469,824 km (0.093 R)
• M27: 46,208,089 km (0.1 R)
• M28: 48,012,389 km (0.045 R)
• M29: 49,241,037 km (0.116 R)
• M30: 56,885,488 km (0.101 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: 294 - 15,598 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit