🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.7

Radius: 10.6

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.41 AU - 0.61 AU

Year: 251 Days

Day: 14.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,341,065 km

• M1: 131,796 km (0.089 R)
• M2: 524,191 km (0.107 R)
• M3: 937,530 km (0.065 R)
• M4: 1,595,910 km (0.101 R)
• M5: 2,006,855 km (0.1 R)
• M6: 2,394,464 km (0.063 R)
• M7: 2,747,963 km (0.057 R)
• M8: 3,323,018 km (0.109 R)
• M9: 3,719,153 km (0.086 R)
• M10: 4,321,882 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655

Radius: 11.5

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.5 AU - 0.82 AU

Year: 370 Days

Day: 10.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,341,065 km

• M1: 143,016 km (0.064 R)
• M2: 512,971 km (0.054 R)
• M3: 1,015,171 km (0.059 R)
• M4: 1,505,553 km (0.093 R)
• M5: 1,892,862 km (0.112 R)
• M6: 2,329,837 km (0.1 R)
• M7: 2,824,109 km (0.104 R)
• M8: 3,502,385 km (0.11 R)
• M9: 4,286,278 km (0.089 R)
• M10: 5,153,198 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.3

Radius: 14

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.28 AU - 2.06 AU

Year: 1490 Days

Day: 13.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,341,065 km

• M1: 174,132 km (0.111 R)
• M2: 627,114 km (0.106 R)
• M3: 1,127,669 km (0.114 R)
• M4: 1,650,813 km (0.082 R)
• M5: 2,154,209 km (0.085 R)
• M6: 3,167,137 km (0.106 R)
• M7: 4,583,080 km (0.048 R)
• M8: 5,197,030 km (0.104 R)
• M9: 6,014,433 km (0.099 R)
• M10: 6,499,579 km (0.073 R)
• M11: 7,252,355 km (0.095 R)
• M12: 7,931,978 km (0.098 R)
• M13: 8,875,941 km (0.087 R)
• M14: 9,863,436 km (0.086 R)
• M15: 10,890,875 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.9

Radius: 12.7

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.71 AU - 2.25 AU

Year: 1923 Days

Day: 14.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,341,065 km

• M1: 166,502 km (0.087 R)
• M2: 653,294 km (0.102 R)
• M3: 1,291,628 km (0.11 R)
• M4: 1,715,738 km (0.116 R)
• M5: 2,254,440 km (0.102 R)
• M6: 2,728,216 km (0.116 R)
• M7: 3,255,549 km (0.061 R)
• M8: 3,879,970 km (0.04 R)
• M9: 5,026,788 km (0.113 R)
• M10: 8,300,288 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.2

Radius: 8.4

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.19 AU - 5.79 AU

Year: 7694 Days

Day: 13.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,341,065 km

• M1: 104,419 km (0.087 R)
• M2: 419,921 km (0.073 R)
• M3: 683,513 km (0.092 R)
• M4: 1,014,274 km (0.112 R)
• M5: 1,555,818 km (0.119 R)
• M6: 1,916,050 km (0.109 R)
• M7: 2,349,135 km (0.097 R)
• M8: 3,746,379 km (0.057 R)
• M9: 4,102,722 km (0.084 R)
• M10: 4,398,477 km (0.098 R)
• M11: 6,960,789 km (0.117 R)
• M12: 9,381,133 km (0.041 R)
• M13: 10,479,929 km (0.075 R)
• M14: 11,662,052 km (0.12 R)
• M15: 12,257,900 km (0.034 R)
• M16: 14,596,863 km (0.076 R)
• M17: 20,915,877 km (0.066 R)
• M18: 23,884,796 km (0.089 R)
• M19: 27,311,485 km (0.102 R)
• M20: 30,339,047 km (0.055 R)
• M21: 30,847,530 km (0.078 R)
• M22: 32,618,619 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.2

Radius: 10.5

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.31 AU - 6.35 AU

Year: 8494 Days

Day: 12.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 77,341,065 km

• M1: 134,339 km (0.104 R)
• M2: 804,238 km (0.089 R)
• M3: 1,796,371 km (0.106 R)
• M4: 2,164,681 km (0.083 R)
• M5: 3,887,301 km (0.117 R)
• M6: 4,397,729 km (0.073 R)
• M7: 4,861,781 km (0.079 R)
• M8: 5,520,311 km (0.079 R)
• M9: 6,380,648 km (0.08 R)
• M10: 8,853,651 km (0.077 R)
• M11: 12,016,000 km (0.089 R)
• M12: 12,522,090 km (0.114 R)
• M13: 14,500,522 km (0.044 R)
• M14: 15,334,231 km (0.108 R)
• M15: 15,796,338 km (0.095 R)
• M16: 16,267,572 km (0.055 R)
• M17: 16,678,966 km (0.102 R)
• M18: 17,522,698 km (0.119 R)
• M19: 17,882,481 km (0.089 R)
• M20: 19,067,146 km (0.069 R)
• M21: 20,067,657 km (0.098 R)
• M22: 20,700,605 km (0.12 R)
• M23: 23,279,373 km (0.098 R)
• M24: 24,511,462 km (0.075 R)
• M25: 25,326,022 km (0.111 R)
• M26: 26,346,130 km (0.107 R)
• M27: 27,296,974 km (0.114 R)
• M28: 28,074,135 km (0.092 R)
• M29: 32,289,803 km (0.083 R)
• M30: 37,145,750 km (0.092 R)
• M31: 37,740,102 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.4

Radius: 6.6

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.11 AU - 8.05 AU

Year: 11651 Days

Day: 22.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,341,065 km

• M1: 82,129 km (0.081 R)
• M2: 340,485 km (0.057 R)
• M3: 671,694 km (0.066 R)
• M4: 1,030,430 km (0.042 R)
• M5: 1,266,496 km (0.113 R)
• M6: 1,538,913 km (0.092 R)
• M7: 1,995,935 km (0.109 R)
• M8: 2,385,936 km (0.066 R)
• M9: 2,932,717 km (0.114 R)
• M10: 4,134,137 km (0.061 R)
• M11: 4,648,305 km (0.065 R)
• M12: 6,448,267 km (0.118 R)
• M13: 8,311,059 km (0.091 R)
• M14: 9,751,986 km (0.078 R)
• M15: 10,923,487 km (0.116 R)
• M16: 13,239,412 km (0.051 R)
• M17: 14,352,569 km (0.084 R)
• M18: 15,194,357 km (0.12 R)
• M19: 16,623,016 km (0.111 R)
• M20: 17,047,126 km (0.05 R)
• M21: 18,213,242 km (0.086 R)
• M22: 19,122,198 km (0.058 R)
• M23: 20,380,616 km (0.097 R)
• M24: 21,360,033 km (0.11 R)
• M25: 23,855,924 km (0.087 R)
• M26: 25,968,694 km (0.106 R)
• M27: 29,111,147 km (0.09 R)
• M28: 29,830,863 km (0.059 R)
• M29: 32,607,997 km (0.098 R)
• M30: 35,903,639 km (0.062 R)
• M31: 39,665,127 km (0.119 R)
• M32: 40,422,242 km (0.109 R)
• M33: 41,965,344 km (0.101 R)
• M34: 45,168,683 km (0.081 R)
• M35: 46,689,944 km (0.103 R)

Asteroid Belt

Center: 7.33 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.3

Radius: 6.8

Gravity: 15.99 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 6.85 AU - 9.31 AU

Year: 15854 Days

Day: 20.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,341,065 km

• M1: 85,121 km (0.108 R)
• M2: 363,224 km (0.041 R)
• M3: 748,139 km (0.069 R)
• M4: 1,941,780 km (0.062 R)
• M5: 2,996,445 km (0.066 R)
• M6: 3,439,105 km (0.111 R)
• M7: 3,865,011 km (0.114 R)
• M8: 5,694,593 km (0.1 R)
• M9: 8,581,233 km (0.062 R)
• M10: 8,993,076 km (0.073 R)
• M11: 9,310,672 km (0.055 R)
• M12: 10,539,320 km (0.108 R)
• M13: 11,436,608 km (0.117 R)
• M14: 12,645,209 km (0.091 R)
• M15: 12,909,997 km (0.088 R)
• M16: 15,614,577 km (0.09 R)
• M17: 17,260,453 km (0.067 R)
• M18: 17,668,705 km (0.053 R)
• M19: 23,678,650 km (0.116 R)
• M20: 24,488,723 km (0.069 R)
• M21: 42,107,761 km (0.046 R)
• M22: 53,960,550 km (0.107 R)
• M23: 65,259,528 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 990.4

Radius: 6.5

Gravity: 23.44 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.9 AU - 9.06 AU

Year: 17045 Days

Day: 15.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,341,065 km

• M1: 80,783 km (0.06 R)
• M2: 297,401 km (0.094 R)
• M3: 806,632 km (0.107 R)
• M4: 1,096,403 km (0.069 R)
• M5: 1,486,255 km (0.077 R)
• M6: 2,084,497 km (0.072 R)
• M7: 2,427,375 km (0.109 R)
• M8: 3,064,213 km (0.063 R)
• M9: 3,336,930 km (0.051 R)
• M10: 4,593,702 km (0.118 R)
• M11: 5,137,640 km (0.06 R)
• M12: 6,352,973 km (0.065 R)
• M13: 7,358,420 km (0.096 R)
• M14: 8,051,058 km (0.094 R)
• M15: 11,260,681 km (0.062 R)
• M16: 12,314,298 km (0.106 R)
• M17: 12,934,980 km (0.106 R)
• M18: 13,360,287 km (0.105 R)
• M19: 14,089,726 km (0.117 R)
• M20: 19,216,146 km (0.045 R)
• M21: 19,863,156 km (0.082 R)
• M22: 22,801,558 km (0.109 R)
• M23: 27,967,472 km (0.098 R)
• M24: 33,996,266 km (0.11 R)
• M25: 40,234,347 km (0.104 R)
• M26: 48,540,171 km (0.09 R)
• M27: 49,911,534 km (0.117 R)
• M28: 50,956,924 km (0.096 R)
• M29: 51,308,629 km (0.062 R)
• M30: 55,099,589 km (0.107 R)
• M31: 55,469,993 km (0.036 R)
• M32: 56,028,891 km (0.095 R)
• M33: 59,266,936 km (0.036 R)
• M34: 65,074,625 km (0.119 R)
• M35: 68,649,565 km (0.109 R)
• M36: 74,141,303 km (0.118 R)
• M37: 76,878,495 km (0.112 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 558 - 18,512 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit