🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.9

Radius: 11.4

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.74 AU - 0.86 AU

Year: 485 Days

Day: 6.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 59,079,607 km

• M1: 142,118 km (0.114 R)
• M2: 641,625 km (0.103 R)
• M3: 1,063,192 km (0.063 R)
• M4: 2,350,033 km (0.055 R)
• M5: 2,875,570 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.1

Radius: 13

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.9 AU - 0.9 AU

Year: 579 Days

Day: 14.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,079,607 km

• M1: 161,715 km (0.094 R)
• M2: 586,424 km (0.027 R)
• M3: 1,025,045 km (0.096 R)
• M4: 1,894,059 km (0.09 R)
• M5: 2,494,694 km (0.091 R)
• M6: 2,924,938 km (0.029 R)
• M7: 3,476,056 km (0.053 R)
• M8: 4,042,733 km (0.071 R)
• M9: 5,171,598 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.4

Radius: 12.2

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.66 AU - 3.62 AU

Year: 3774 Days

Day: 13.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,079,607 km

• M1: 151,692 km (0.06 R)
• M2: 701,464 km (0.108 R)
• M3: 1,461,870 km (0.096 R)
• M4: 2,154,509 km (0.114 R)
• M5: 2,651,772 km (0.06 R)
• M6: 3,263,777 km (0.115 R)
• M7: 3,708,681 km (0.1 R)
• M8: 4,148,349 km (0.115 R)
• M9: 5,766,699 km (0.087 R)
• M10: 6,420,741 km (0.111 R)
• M11: 6,927,129 km (0.087 R)
• M12: 7,391,930 km (0.069 R)
• M13: 7,984,338 km (0.108 R)
• M14: 8,421,463 km (0.056 R)
• M15: 10,078,857 km (0.064 R)
• M16: 10,546,799 km (0.048 R)
• M17: 11,029,103 km (0.09 R)
• M18: 12,614,092 km (0.099 R)
• M19: 13,977,079 km (0.086 R)
• M20: 14,559,613 km (0.082 R)
• M21: 21,588,469 km (0.103 R)
• M22: 22,511,188 km (0.091 R)
• M23: 25,593,802 km (0.117 R)
• M24: 26,226,452 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.2

Radius: 10.5

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.12 AU - 4.48 AU

Year: 5024 Days

Day: 9.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,079,607 km

• M1: 130,599 km (0.032 R)
• M2: 470,934 km (0.089 R)
• M3: 899,682 km (0.101 R)
• M4: 1,243,308 km (0.083 R)
• M5: 1,676,543 km (0.072 R)
• M6: 2,744,074 km (0.089 R)
• M7: 3,081,267 km (0.087 R)
• M8: 3,817,738 km (0.115 R)
• M9: 5,817,861 km (0.081 R)
• M10: 6,508,405 km (0.115 R)
• M11: 7,078,672 km (0.085 R)
• M12: 8,242,693 km (0.039 R)
• M13: 9,278,658 km (0.109 R)
• M14: 10,045,347 km (0.113 R)
• M15: 10,670,517 km (0.103 R)
• M16: 11,226,722 km (0.034 R)
• M17: 13,169,101 km (0.057 R)
• M18: 13,863,683 km (0.052 R)
• M19: 16,214,764 km (0.067 R)
• M20: 20,117,174 km (0.111 R)
• M21: 21,400,125 km (0.101 R)
• M22: 22,210,497 km (0.07 R)
• M23: 23,117,808 km (0.091 R)
• M24: 25,905,265 km (0.099 R)
• M25: 30,173,591 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.5

Radius: 8.2

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.82 AU - 4.02 AU

Year: 5264 Days

Day: 6.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,079,607 km

• M1: 114,293 km (0.045 R)
• M2: 573,857 km (0.097 R)
• M3: 902,075 km (0.097 R)
• M4: 1,168,509 km (0.094 R)
• M5: 1,581,848 km (0.055 R)
• M6: 1,844,841 km (0.054 R)
• M7: 2,137,305 km (0.115 R)
• M8: 3,052,694 km (0.065 R)
• M9: 7,945,891 km (0.088 R)
• M10: 10,232,195 km (0.069 R)
• M11: 11,600,417 km (0.119 R)
• M12: 13,917,688 km (0.108 R)
• M13: 14,216,734 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.6

Radius: 12.1

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.8 AU - 5.74 AU

Year: 7066 Days

Day: 8 Hours

Environment

Temp: -218 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,079,607 km

• M1: 151,842 km (0.113 R)
• M2: 571,464 km (0.084 R)
• M3: 955,781 km (0.105 R)
• M4: 1,487,152 km (0.083 R)
• M5: 2,577,272 km (0.082 R)
• M6: 3,161,153 km (0.049 R)
• M7: 4,288,672 km (0.116 R)
• M8: 4,890,205 km (0.064 R)
• M9: 6,360,303 km (0.086 R)
• M10: 9,930,007 km (0.091 R)
• M11: 10,517,478 km (0.07 R)
• M12: 12,471,974 km (0.062 R)
• M13: 13,209,941 km (0.057 R)
• M14: 13,644,672 km (0.049 R)
• M15: 14,314,571 km (0.073 R)
• M16: 16,770,221 km (0.114 R)
• M17: 17,280,200 km (0.083 R)
• M18: 17,734,977 km (0.078 R)
• M19: 20,925,002 km (0.057 R)
• M20: 24,560,679 km (0.089 R)
• M21: 25,302,086 km (0.109 R)
• M22: 28,597,578 km (0.094 R)
• M23: 32,463,187 km (0.065 R)
• M24: 33,356,136 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.6

Radius: 4

Gravity: 58.73 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.94 AU - 7.4 AU

Year: 11684 Days

Day: 18.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,079,607 km

• M1: 50,115 km (0.09 R)
• M2: 194,926 km (0.12 R)
• M3: 507,885 km (0.094 R)
• M4: 678,277 km (0.102 R)
• M5: 1,063,491 km (0.097 R)
• M6: 2,076,119 km (0.12 R)
• M7: 2,229,457 km (0.068 R)
• M8: 2,580,713 km (0.078 R)
• M9: 2,943,787 km (0.079 R)
• M10: 3,137,815 km (0.09 R)
• M11: 3,827,611 km (0.067 R)
• M12: 4,975,924 km (0.096 R)
• M13: 5,181,771 km (0.102 R)
• M14: 7,166,037 km (0.081 R)
• M15: 7,562,023 km (0.062 R)
• M16: 8,887,759 km (0.037 R)
• M17: 11,448,426 km (0.109 R)
• M18: 11,807,162 km (0.047 R)
• M19: 13,780,657 km (0.117 R)
• M20: 14,530,591 km (0.078 R)
• M21: 15,742,633 km (0.116 R)
• M22: 18,610,574 km (0.069 R)
• M23: 22,359,047 km (0.073 R)
• M24: 25,656,783 km (0.101 R)
• M25: 26,580,998 km (0.088 R)
• M26: 37,990,379 km (0.064 R)
• M27: 41,105,456 km (0.084 R)
• M28: 55,778,464 km (0.098 R)
• M29: 55,949,005 km (0.058 R)
• M30: 58,549,914 km (0.086 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: 407 - 13,990 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit