🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.8

Radius: 9.4

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.07 AU - 1.23 AU

Year: 822 Days

Day: 9.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,398,128 km

• M1: 116,836 km (0.106 R)
• M2: 495,468 km (0.099 R)
• M3: 860,637 km (0.089 R)
• M4: 1,208,152 km (0.072 R)
• M5: 1,759,720 km (0.056 R)
• M6: 2,154,060 km (0.029 R)
• M7: 2,548,250 km (0.068 R)
• M8: 2,851,485 km (0.11 R)
• M9: 3,340,221 km (0.053 R)
• M10: 4,015,356 km (0.119 R)
• M11: 5,503,107 km (0.109 R)
• M12: 5,857,205 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.9

Radius: 12.4

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.27 AU - 1.95 AU

Year: 1362 Days

Day: 5 Hours

Environment

Temp: -191 °C

Axial Tilt: 158.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,398,128 km

• M1: 154,834 km (0.097 R)
• M2: 592,856 km (0.111 R)
• M3: 1,213,987 km (0.115 R)
• M4: 1,733,690 km (0.059 R)
• M5: 2,366,938 km (0.086 R)
• M6: 3,544,422 km (0.073 R)
• M7: 4,132,342 km (0.118 R)
• M8: 5,060,597 km (0.029 R)
• M9: 5,644,776 km (0.049 R)
• M10: 6,122,891 km (0.083 R)
• M11: 7,042,619 km (0.103 R)
• M12: 7,499,042 km (0.114 R)
• M13: 9,353,906 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.6

Radius: 12.3

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.45 AU - 1.85 AU

Year: 1413 Days

Day: 10.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,398,128 km

• M1: 154,235 km (0.12 R)
• M2: 965,804 km (0.057 R)
• M3: 1,730,997 km (0.103 R)
• M4: 2,301,713 km (0.082 R)
• M5: 4,050,512 km (0.07 R)
• M6: 4,942,414 km (0.102 R)
• M7: 6,434,803 km (0.089 R)
• M8: 7,378,167 km (0.105 R)
• M9: 8,382,417 km (0.08 R)
• M10: 9,287,036 km (0.112 R)
• M11: 11,043,016 km (0.119 R)
• M12: 11,944,044 km (0.109 R)
• M13: 12,393,735 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.1

Radius: 11.2

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.91 AU - 2.29 AU

Year: 2029 Days

Day: 7.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,398,128 km

• M1: 139,276 km (0.086 R)
• M2: 521,049 km (0.064 R)
• M3: 890,706 km (0.037 R)
• M4: 2,042,759 km (0.045 R)
• M5: 3,373,133 km (0.1 R)
• M6: 4,091,951 km (0.04 R)
• M7: 4,450,985 km (0.074 R)
• M8: 5,069,722 km (0.068 R)
• M9: 6,150,716 km (0.119 R)
• M10: 7,327,005 km (0.088 R)
• M11: 9,364,528 km (0.12 R)
• M12: 12,006,875 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.4

Radius: 9.4

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.71 AU - 4.21 AU

Year: 4292 Days

Day: 6.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,398,128 km

• M1: 116,986 km (0.054 R)
• M2: 544,237 km (0.078 R)
• M3: 894,745 km (0.049 R)
• M4: 1,507,348 km (0.114 R)
• M5: 1,968,858 km (0.041 R)
• M6: 2,537,329 km (0.077 R)
• M7: 3,443,294 km (0.118 R)
• M8: 3,920,511 km (0.049 R)
• M9: 5,345,431 km (0.1 R)
• M10: 6,120,797 km (0.109 R)
• M11: 6,910,225 km (0.097 R)
• M12: 7,360,365 km (0.111 R)
• M13: 9,467,900 km (0.075 R)
• M14: 15,788,559 km (0.049 R)
• M15: 16,150,137 km (0.073 R)
• M16: 17,874,402 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 613.4

Radius: 5.2

Gravity: 22.68 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 6.47 AU - 7.85 AU

Year: 12776 Days

Day: 21.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,398,128 km

• M1: 106,962 km (0.11 R)
• M2: 279,000 km (0.11 R)
• M3: 1,087,277 km (0.113 R)
• M4: 1,561,203 km (0.062 R)
• M5: 1,912,609 km (0.107 R)
• M6: 2,536,731 km (0.083 R)
• M7: 3,022,625 km (0.079 R)
• M8: 4,147,900 km (0.117 R)
• M9: 4,630,204 km (0.08 R)
• M10: 5,457,480 km (0.117 R)
• M11: 7,020,628 km (0.11 R)
• M12: 8,763,593 km (0.079 R)
• M13: 9,153,744 km (0.111 R)
• M14: 9,353,158 km (0.105 R)
• M15: 9,555,414 km (0.12 R)
• M16: 11,223,580 km (0.091 R)
• M17: 11,625,550 km (0.042 R)
• M18: 13,393,497 km (0.052 R)
• M19: 14,780,270 km (0.097 R)
• M20: 15,614,427 km (0.088 R)
• M21: 16,115,281 km (0.114 R)
• M22: 18,225,957 km (0.11 R)
• M23: 28,832,895 km (0.057 R)
• M24: 31,244,263 km (0.103 R)
• M25: 31,583,102 km (0.051 R)
• M26: 33,314,548 km (0.066 R)
• M27: 36,965,335 km (0.077 R)
• M28: 51,202,863 km (0.068 R)
• M29: 54,072,749 km (0.08 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 13,841 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit