🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.9

Radius: 11.8

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.81 AU - 0.87 AU

Year: 505 Days

Day: 10.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,146,686 km

• M1: 146,756 km (0.06 R)
• M2: 543,190 km (0.109 R)
• M3: 935,136 km (0.05 R)
• M4: 1,431,951 km (0.105 R)
• M5: 2,326,696 km (0.107 R)
• M6: 2,876,917 km (0.063 R)
• M7: 3,294,744 km (0.103 R)
• M8: 3,740,246 km (0.1 R)
• M9: 4,769,031 km (0.115 R)
• M10: 5,853,166 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.5

Radius: 12.5

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.17 AU - 1.63 AU

Year: 1087 Days

Day: 7.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,146,686 km

• M1: 156,180 km (0.112 R)
• M2: 558,598 km (0.112 R)
• M3: 1,219,372 km (0.058 R)
• M4: 1,846,337 km (0.111 R)
• M5: 2,859,563 km (0.118 R)
• M6: 3,563,421 km (0.083 R)
• M7: 4,198,315 km (0.101 R)
• M8: 4,743,300 km (0.09 R)
• M9: 5,352,761 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.2

Radius: 11.6

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.2 AU - 1.98 AU

Year: 1315 Days

Day: 9 Hours

Environment

Temp: -179 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,146,686 km

• M1: 144,212 km (0.102 R)
• M2: 561,590 km (0.101 R)
• M3: 1,154,896 km (0.079 R)
• M4: 1,667,717 km (0.107 R)
• M5: 2,427,076 km (0.106 R)
• M6: 3,280,831 km (0.085 R)
• M7: 3,931,133 km (0.11 R)
• M8: 4,436,325 km (0.1 R)
• M9: 4,863,277 km (0.097 R)
• M10: 5,360,391 km (0.107 R)
• M11: 5,936,941 km (0.114 R)
• M12: 6,579,165 km (0.066 R)
• M13: 7,373,081 km (0.11 R)
• M14: 8,258,401 km (0.082 R)
• M15: 9,182,317 km (0.113 R)
• M16: 9,589,672 km (0.114 R)
• M17: 10,474,693 km (0.12 R)
• M18: 11,235,398 km (0.097 R)
• M19: 12,712,378 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.6

Radius: 14.9

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3 AU - 4.66 AU

Year: 4917 Days

Day: 5 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,146,686 km

• M1: 185,352 km (0.107 R)
• M2: 667,655 km (0.051 R)
• M3: 1,481,318 km (0.09 R)
• M4: 2,269,848 km (0.048 R)
• M5: 3,502,236 km (0.103 R)
• M6: 4,476,567 km (0.057 R)
• M7: 5,652,705 km (0.12 R)
• M8: 6,136,505 km (0.106 R)
• M9: 6,772,595 km (0.118 R)
• M10: 9,372,606 km (0.09 R)
• M11: 10,767,008 km (0.12 R)
• M12: 11,923,549 km (0.106 R)
• M13: 12,579,835 km (0.07 R)
• M14: 13,112,403 km (0.043 R)
• M15: 18,856,662 km (0.057 R)
• M16: 19,490,957 km (0.039 R)
• M17: 20,270,811 km (0.115 R)
• M18: 22,032,176 km (0.057 R)
• M19: 23,893,622 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.6

Radius: 14.5

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.93 AU - 3.97 AU

Year: 5150 Days

Day: 8.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,146,686 km

• M1: 180,265 km (0.084 R)
• M2: 767,587 km (0.117 R)
• M3: 3,234,755 km (0.116 R)
• M4: 4,776,062 km (0.079 R)
• M5: 5,469,597 km (0.063 R)
• M6: 6,229,854 km (0.093 R)
• M7: 10,165,774 km (0.091 R)
• M8: 12,067,462 km (0.054 R)
• M9: 15,350,088 km (0.096 R)
• M10: 16,329,056 km (0.09 R)
• M11: 22,950,857 km (0.086 R)
• M12: 27,933,214 km (0.079 R)
• M13: 28,699,304 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.1

Radius: 7.1

Gravity: 15 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 6.32 AU - 7.12 AU

Year: 11428 Days

Day: 15.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,146,686 km

• M1: 112,049 km (0.041 R)
• M2: 378,034 km (0.064 R)
• M3: 603,328 km (0.104 R)
• M4: 984,653 km (0.095 R)
• M5: 1,212,491 km (0.096 R)
• M6: 1,622,090 km (0.074 R)
• M7: 2,366,489 km (0.101 R)
• M8: 3,270,359 km (0.11 R)
• M9: 3,706,138 km (0.093 R)
• M10: 3,980,051 km (0.12 R)
• M11: 4,538,051 km (0.03 R)
• M12: 6,179,589 km (0.063 R)
• M13: 6,605,195 km (0.097 R)
• M14: 7,091,837 km (0.035 R)
• M15: 8,319,886 km (0.054 R)
• M16: 8,984,549 km (0.066 R)
• M17: 9,329,821 km (0.095 R)
• M18: 10,258,375 km (0.1 R)
• M19: 10,527,053 km (0.074 R)
• M20: 16,713,822 km (0.119 R)
• M21: 20,434,022 km (0.085 R)
• M22: 20,688,787 km (0.081 R)
• M23: 23,725,026 km (0.096 R)
• M24: 25,154,284 km (0.074 R)
• M25: 25,939,672 km (0.116 R)
• M26: 27,870,083 km (0.063 R)
• M27: 28,499,142 km (0.115 R)
• M28: 31,786,855 km (0.093 R)
• M29: 33,521,741 km (0.05 R)
• M30: 34,954,440 km (0.058 R)
• M31: 37,686,247 km (0.103 R)
• M32: 44,275,584 km (0.11 R)
• M33: 46,144,510 km (0.099 R)
• M34: 53,500,537 km (0.116 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: 365 - 11,978 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit