🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.1

Radius: 9.6

Gravity: 10.78 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.05 AU - 1.61 AU

Year: 1059 Days

Day: 11.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,382,876 km

• M1: 123,119 km (0.079 R)
• M2: 428,000 km (0.108 R)
• M3: 784,342 km (0.058 R)
• M4: 1,375,552 km (0.084 R)
• M5: 1,939,686 km (0.098 R)
• M6: 2,501,576 km (0.085 R)
• M7: 2,915,812 km (0.076 R)
• M8: 3,497,598 km (0.045 R)
• M9: 4,331,906 km (0.1 R)
• M10: 4,951,540 km (0.105 R)
• M11: 5,293,221 km (0.097 R)
• M12: 5,715,387 km (0.101 R)
• M13: 6,159,842 km (0.109 R)
• M14: 7,321,320 km (0.095 R)
• M15: 7,954,119 km (0.067 R)
• M16: 8,452,280 km (0.112 R)
• M17: 9,757,970 km (0.102 R)
• M18: 10,264,658 km (0.09 R)
• M19: 11,573,340 km (0.026 R)
• M20: 12,033,354 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.5

Radius: 10.1

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.31 AU - 1.59 AU

Year: 1205 Days

Day: 13 Hours

Environment

Temp: -183 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,382,876 km

• M1: 125,812 km (0.11 R)
• M2: 576,700 km (0.118 R)
• M3: 904,020 km (0.108 R)
• M4: 1,489,396 km (0.029 R)
• M5: 1,882,689 km (0.074 R)
• M6: 2,238,433 km (0.082 R)
• M7: 2,580,713 km (0.039 R)
• M8: 3,100,715 km (0.046 R)
• M9: 3,674,722 km (0.099 R)
• M10: 4,710,837 km (0.043 R)
• M11: 5,768,045 km (0.064 R)
• M12: 6,571,086 km (0.087 R)
• M13: 7,279,881 km (0.072 R)
• M14: 8,013,509 km (0.083 R)
• M15: 8,715,123 km (0.037 R)
• M16: 9,205,355 km (0.083 R)
• M17: 9,713,839 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.8

Radius: 8

Gravity: 14.17 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.35 AU - 2.93 AU

Year: 2961 Days

Day: 9.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,382,876 km

• M1: 99,931 km (0.045 R)
• M2: 368,160 km (0.104 R)
• M3: 721,810 km (0.111 R)
• M4: 1,063,790 km (0.118 R)
• M5: 1,739,524 km (0.077 R)
• M6: 2,069,088 km (0.062 R)
• M7: 2,350,781 km (0.067 R)
• M8: 3,644,503 km (0.12 R)
• M9: 4,343,275 km (0.084 R)
• M10: 4,712,782 km (0.053 R)
• M11: 5,153,347 km (0.106 R)
• M12: 5,488,447 km (0.076 R)
• M13: 5,893,109 km (0.098 R)
• M14: 6,173,904 km (0.112 R)
• M15: 7,419,755 km (0.094 R)
• M16: 8,084,867 km (0.114 R)
• M17: 11,753,157 km (0.065 R)
• M18: 12,426,198 km (0.078 R)
• M19: 13,898,241 km (0.076 R)
• M20: 15,324,507 km (0.037 R)
• M21: 18,946,720 km (0.113 R)
• M22: 19,313,085 km (0.078 R)
• M23: 20,440,604 km (0.071 R)
• M24: 22,078,402 km (0.074 R)
• M25: 23,171,513 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.4

Radius: 9.1

Gravity: 10.49 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.52 AU - 4.94 AU

Year: 7101 Days

Day: 8.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 42,382,876 km

• M1: 113,545 km (0.105 R)
• M2: 432,787 km (0.119 R)
• M3: 836,850 km (0.1 R)
• M4: 1,191,996 km (0.097 R)
• M5: 1,818,811 km (0.096 R)
• M6: 2,232,898 km (0.079 R)
• M7: 3,229,668 km (0.077 R)
• M8: 3,890,442 km (0.076 R)
• M9: 4,554,058 km (0.096 R)
• M10: 5,416,191 km (0.097 R)
• M11: 6,278,174 km (0.088 R)
• M12: 6,633,170 km (0.092 R)
• M13: 8,656,331 km (0.114 R)
• M14: 9,551,824 km (0.115 R)
• M15: 10,606,639 km (0.056 R)
• M16: 11,317,229 km (0.113 R)
• M17: 12,005,229 km (0.114 R)
• M18: 12,497,705 km (0.07 R)
• M19: 13,936,388 km (0.116 R)
• M20: 16,000,390 km (0.05 R)
• M21: 19,280,323 km (0.097 R)
• M22: 20,415,023 km (0.04 R)
• M23: 20,802,930 km (0.108 R)
• M24: 21,996,273 km (0.071 R)
• M25: 22,899,993 km (0.077 R)
• M26: 23,913,818 km (0.108 R)
• M27: 25,311,810 km (0.104 R)
• M28: 28,365,851 km (0.083 R)
• M29: 31,864,496 km (0.085 R)
• M30: 35,083,842 km (0.082 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33.5

Radius: 7.3

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 7.25 AU - 8.47 AU

Year: 15211 Days

Day: 16.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,382,876 km

• M1: 90,806 km (0.102 R)
• M2: 805,734 km (0.09 R)
• M3: 1,378,096 km (0.115 R)
• M4: 1,965,566 km (0.064 R)
• M5: 3,567,909 km (0.117 R)
• M6: 12,500,099 km (0.1 R)
• M7: 18,367,627 km (0.075 R)
• M8: 22,159,933 km (0.086 R)
• M9: 23,045,402 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 98.5

Radius: 6.3

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 9.34 AU - 10.72 AU

Year: 21926 Days

Day: 19.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,382,876 km

• M1: 78,389 km (0.107 R)
• M2: 382,522 km (0.111 R)
• M3: 677,978 km (0.063 R)
• M4: 1,047,335 km (0.105 R)
• M5: 2,867,941 km (0.103 R)
• M6: 3,536,643 km (0.102 R)
• M7: 3,933,377 km (0.116 R)
• M8: 4,583,679 km (0.071 R)
• M9: 5,958,334 km (0.062 R)
• M10: 6,739,833 km (0.075 R)
• M11: 9,539,707 km (0.102 R)
• M12: 10,961,634 km (0.117 R)
• M13: 11,642,753 km (0.04 R)
• M14: 15,028,452 km (0.101 R)
• M15: 15,737,247 km (0.077 R)
• M16: 17,571,018 km (0.099 R)
• M17: 20,308,809 km (0.099 R)
• M18: 23,403,689 km (0.032 R)
• M19: 24,355,132 km (0.079 R)
• M20: 32,913,028 km (0.083 R)
• M21: 35,779,472 km (0.059 R)
• M22: 40,139,353 km (0.12 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 12,226 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit