🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.8

Radius: 13.8

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.54 AU - 0.8 AU

Year: 372 Days

Day: 12 Hours

Environment

Temp: -153 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,943,582 km

• M1: 172,038 km (0.118 R)
• M2: 859,141 km (0.075 R)
• M3: 1,552,078 km (0.117 R)
• M4: 2,609,136 km (0.049 R)
• M5: 3,060,772 km (0.065 R)
• M6: 3,606,057 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.3

Radius: 13.4

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.8 AU - 0.96 AU

Year: 560 Days

Day: 11.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,943,582 km

• M1: 166,802 km (0.102 R)
• M2: 680,072 km (0.108 R)
• M3: 1,714,092 km (0.075 R)
• M4: 2,234,543 km (0.108 R)
• M5: 3,063,166 km (0.094 R)
• M6: 3,785,425 km (0.087 R)
• M7: 4,347,763 km (0.098 R)
• M8: 4,981,609 km (0.095 R)
• M9: 5,910,013 km (0.087 R)
• M10: 6,551,938 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.7

Radius: 8.6

Gravity: 10.95 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.94 AU - 1.26 AU

Year: 782 Days

Day: 10 Hours

Environment

Temp: -169 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,943,582 km

• M1: 106,962 km (0.071 R)
• M2: 451,486 km (0.071 R)
• M3: 766,689 km (0.115 R)
• M4: 1,294,321 km (0.067 R)
• M5: 1,590,525 km (0.068 R)
• M6: 3,499,244 km (0.105 R)
• M7: 3,881,317 km (0.103 R)
• M8: 4,373,045 km (0.118 R)
• M9: 5,086,627 km (0.071 R)
• M10: 5,835,215 km (0.077 R)
• M11: 6,967,820 km (0.091 R)
• M12: 7,694,866 km (0.087 R)
• M13: 8,114,488 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.4

Radius: 8.7

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.08 AU - 1.36 AU

Year: 914 Days

Day: 10.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,943,582 km

• M1: 108,309 km (0.069 R)
• M2: 442,810 km (0.076 R)
• M3: 749,485 km (0.094 R)
• M4: 1,539,811 km (0.098 R)
• M5: 2,524,015 km (0.104 R)
• M6: 2,951,716 km (0.085 R)
• M7: 3,317,183 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.5

Radius: 12.8

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.54 AU - 2.52 AU

Year: 1962 Days

Day: 13.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,943,582 km

• M1: 159,322 km (0.115 R)
• M2: 968,796 km (0.09 R)
• M3: 1,529,638 km (0.117 R)
• M4: 2,046,798 km (0.115 R)
• M5: 3,146,043 km (0.072 R)
• M6: 3,648,542 km (0.064 R)
• M7: 4,795,061 km (0.12 R)
• M8: 5,256,720 km (0.097 R)
• M9: 5,821,003 km (0.034 R)
• M10: 7,099,017 km (0.118 R)
• M11: 8,274,557 km (0.1 R)
• M12: 11,699,451 km (0.113 R)
• M13: 13,081,287 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.5

Radius: 8.5

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.28 AU - 2.98 AU

Year: 2893 Days

Day: 13.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,943,582 km

• M1: 115,490 km (0.084 R)
• M2: 2,534,188 km (0.1 R)
• M3: 3,089,944 km (0.057 R)
• M4: 5,908,966 km (0.103 R)
• M5: 7,624,704 km (0.081 R)
• M6: 7,890,988 km (0.066 R)
• M7: 8,753,420 km (0.032 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895

Radius: 14.5

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.98 AU - 3.38 AU

Year: 3846 Days

Day: 6.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,943,582 km

• M1: 180,864 km (0.058 R)
• M2: 636,838 km (0.108 R)
• M3: 1,281,755 km (0.12 R)
• M4: 1,969,007 km (0.079 R)
• M5: 2,493,946 km (0.111 R)
• M6: 3,168,632 km (0.115 R)
• M7: 3,622,064 km (0.084 R)
• M8: 5,279,309 km (0.094 R)
• M9: 5,749,345 km (0.119 R)
• M10: 6,247,357 km (0.086 R)
• M11: 6,999,684 km (0.042 R)
• M12: 7,847,007 km (0.069 R)
• M13: 9,787,141 km (0.088 R)
• M14: 12,507,130 km (0.108 R)
• M15: 13,296,857 km (0.117 R)
• M16: 16,209,976 km (0.111 R)
• M17: 17,632,203 km (0.073 R)
• M18: 18,373,910 km (0.098 R)
• M19: 21,272,817 km (0.112 R)
• M20: 21,971,888 km (0.085 R)
• M21: 24,237,099 km (0.059 R)
• M22: 25,857,543 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305.6

Radius: 5.8

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.49 AU - 7.13 AU

Year: 9499 Days

Day: 22.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,943,582 km

• M1: 72,106 km (0.09 R)
• M2: 376,388 km (0.039 R)
• M3: 591,510 km (0.077 R)
• M4: 1,084,136 km (0.074 R)
• M5: 1,994,888 km (0.097 R)
• M6: 2,860,610 km (0.098 R)
• M7: 6,578,566 km (0.094 R)
• M8: 9,816,313 km (0.04 R)
• M9: 9,997,027 km (0.056 R)
• M10: 10,790,046 km (0.059 R)
• M11: 14,268,346 km (0.045 R)
• M12: 19,760,233 km (0.088 R)
• M13: 29,407,351 km (0.094 R)
• M14: 30,257,965 km (0.118 R)
• M15: 31,515,634 km (0.055 R)
• M16: 33,928,199 km (0.119 R)
• M17: 35,285,051 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 295.1

Radius: 6.9

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 7.84 AU - 11.74 AU

Year: 20776 Days

Day: 20.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,943,582 km

• M1: 88,562 km (0.069 R)
• M2: 335,997 km (0.116 R)
• M3: 1,144,424 km (0.106 R)
• M4: 1,405,771 km (0.097 R)
• M5: 1,706,912 km (0.084 R)
• M6: 2,338,514 km (0.107 R)
• M7: 2,630,978 km (0.108 R)
• M8: 3,091,440 km (0.028 R)
• M9: 3,768,520 km (0.064 R)
• M10: 4,053,953 km (0.117 R)
• M11: 4,732,828 km (0.081 R)
• M12: 5,413,498 km (0.11 R)
• M13: 7,487,224 km (0.09 R)
• M14: 7,756,350 km (0.096 R)
• M15: 8,457,516 km (0.118 R)
• M16: 11,158,804 km (0.099 R)
• M17: 15,587,500 km (0.103 R)
• M18: 15,806,062 km (0.107 R)
• M19: 16,399,218 km (0.079 R)
• M20: 20,622,066 km (0.1 R)
• M21: 22,982,422 km (0.12 R)
• M22: 24,227,674 km (0.104 R)
• M23: 25,416,379 km (0.065 R)
• M24: 31,249,499 km (0.077 R)
• M25: 34,228,890 km (0.111 R)
• M26: 35,471,750 km (0.074 R)
• M27: 36,359,613 km (0.074 R)
• M28: 39,246,104 km (0.084 R)
• M29: 44,147,528 km (0.057 R)
• M30: 47,734,586 km (0.117 R)
• M31: 48,816,328 km (0.11 R)
• M32: 52,322,304 km (0.058 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 16,311 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit