🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.4

Radius: 10.7

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.76 AU - 1.06 AU

Year: 579 Days

Day: 14.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,529,326 km

• M1: 133,142 km (0.113 R)
• M2: 469,887 km (0.05 R)
• M3: 807,380 km (0.085 R)
• M4: 1,188,854 km (0.112 R)
• M5: 1,592,170 km (0.096 R)
• M6: 2,208,364 km (0.085 R)
• M7: 2,934,063 km (0.081 R)
• M8: 3,509,566 km (0.116 R)
• M9: 4,186,496 km (0.12 R)
• M10: 4,871,206 km (0.068 R)
• M11: 5,561,600 km (0.079 R)
• M12: 5,904,478 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.6

Radius: 12.1

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.02 AU - 1.14 AU

Year: 748 Days

Day: 8.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,529,326 km

• M1: 150,495 km (0.114 R)
• M2: 541,544 km (0.091 R)
• M3: 1,270,535 km (0.108 R)
• M4: 1,653,505 km (0.099 R)
• M5: 2,133,565 km (0.075 R)
• M6: 3,392,281 km (0.032 R)
• M7: 3,944,896 km (0.115 R)
• M8: 4,541,492 km (0.097 R)
• M9: 5,459,425 km (0.044 R)
• M10: 6,029,093 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.2

Radius: 12.5

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.58 AU - 2.1 AU

Year: 1664 Days

Day: 9.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,529,326 km

• M1: 155,582 km (0.066 R)
• M2: 661,372 km (0.056 R)
• M3: 1,186,910 km (0.09 R)
• M4: 1,714,990 km (0.1 R)
• M5: 2,203,277 km (0.056 R)
• M6: 2,718,941 km (0.043 R)
• M7: 3,300,129 km (0.101 R)
• M8: 4,380,375 km (0.109 R)
• M9: 5,243,555 km (0.053 R)
• M10: 8,807,425 km (0.12 R)
• M11: 9,739,121 km (0.053 R)
• M12: 10,570,137 km (0.065 R)
• M13: 11,552,247 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.6

Radius: 13.7

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.29 AU - 2.57 AU

Year: 2526 Days

Day: 13.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,529,326 km

• M1: 170,392 km (0.088 R)
• M2: 808,576 km (0.032 R)
• M3: 1,278,463 km (0.084 R)
• M4: 1,841,101 km (0.119 R)
• M5: 3,124,950 km (0.105 R)
• M6: 4,061,881 km (0.111 R)
• M7: 4,846,672 km (0.037 R)
• M8: 5,887,873 km (0.085 R)
• M9: 6,377,806 km (0.103 R)
• M10: 6,865,345 km (0.1 R)
• M11: 8,046,121 km (0.09 R)
• M12: 9,876,003 km (0.096 R)
• M13: 10,569,987 km (0.085 R)
• M14: 11,132,026 km (0.115 R)
• M15: 12,491,871 km (0.102 R)
• M16: 13,817,458 km (0.109 R)
• M17: 16,479,552 km (0.105 R)
• M18: 20,559,235 km (0.111 R)
• M19: 21,183,358 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.2

Radius: 11.1

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.58 AU - 3.38 AU

Year: 3430 Days

Day: 14.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,529,326 km

• M1: 138,079 km (0.119 R)
• M2: 688,449 km (0.087 R)
• M3: 1,125,275 km (0.032 R)
• M4: 1,646,025 km (0.038 R)
• M5: 2,040,216 km (0.119 R)
• M6: 2,497,836 km (0.099 R)
• M7: 3,179,254 km (0.107 R)
• M8: 3,526,321 km (0.082 R)
• M9: 3,939,510 km (0.085 R)
• M10: 4,341,181 km (0.115 R)
• M11: 5,661,382 km (0.032 R)
• M12: 6,091,625 km (0.057 R)
• M13: 6,572,582 km (0.111 R)
• M14: 10,283,507 km (0.112 R)
• M15: 11,340,715 km (0.05 R)
• M16: 14,645,781 km (0.037 R)
• M17: 17,851,364 km (0.06 R)
• M18: 18,661,586 km (0.03 R)
• M19: 19,195,352 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.2

Radius: 13.9

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.01 AU - 3.61 AU

Year: 4016 Days

Day: 12.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,529,326 km

• M1: 174,431 km (0.046 R)
• M2: 1,308,233 km (0.101 R)
• M3: 1,898,547 km (0.106 R)
• M4: 2,448,917 km (0.063 R)
• M5: 2,908,332 km (0.095 R)
• M6: 3,376,424 km (0.094 R)
• M7: 3,822,824 km (0.04 R)
• M8: 4,752,276 km (0.041 R)
• M9: 5,827,585 km (0.099 R)
• M10: 6,474,745 km (0.109 R)
• M11: 7,972,669 km (0.103 R)
• M12: 9,092,708 km (0.077 R)
• M13: 9,623,182 km (0.117 R)
• M14: 11,567,805 km (0.089 R)
• M15: 12,714,323 km (0.078 R)
• M16: 13,294,464 km (0.055 R)
• M17: 14,867,485 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.2

Radius: 14.4

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.93 AU - 6.51 AU

Year: 7953 Days

Day: 7.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,529,326 km

• M1: 180,714 km (0.093 R)
• M2: 640,877 km (0.12 R)
• M3: 1,584,690 km (0.09 R)
• M4: 2,199,986 km (0.102 R)
• M5: 2,745,420 km (0.093 R)
• M6: 3,554,894 km (0.097 R)
• M7: 4,895,291 km (0.073 R)
• M8: 6,121,395 km (0.059 R)
• M9: 7,213,909 km (0.073 R)
• M10: 8,312,705 km (0.053 R)
• M11: 10,606,040 km (0.107 R)
• M12: 12,491,721 km (0.076 R)
• M13: 18,715,142 km (0.111 R)
• M14: 20,489,373 km (0.087 R)
• M15: 21,154,934 km (0.115 R)
• M16: 29,457,766 km (0.111 R)
• M17: 30,688,058 km (0.07 R)
• M18: 35,212,197 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.4

Radius: 10.8

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 5.33 AU - 5.61 AU

Year: 8531 Days

Day: 14.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,529,326 km

• M1: 134,339 km (0.11 R)
• M2: 1,300,604 km (0.076 R)
• M3: 1,696,889 km (0.11 R)
• M4: 2,560,068 km (0.111 R)
• M5: 4,192,780 km (0.111 R)
• M6: 4,677,028 km (0.089 R)
• M7: 5,792,280 km (0.089 R)
• M8: 6,729,511 km (0.097 R)
• M9: 7,076,578 km (0.058 R)
• M10: 7,516,994 km (0.085 R)
• M11: 8,320,933 km (0.113 R)
• M12: 8,676,228 km (0.12 R)
• M13: 9,322,341 km (0.072 R)
• M14: 11,950,775 km (0.059 R)
• M15: 12,403,758 km (0.087 R)
• M16: 13,164,313 km (0.118 R)
• M17: 14,649,671 km (0.05 R)
• M18: 17,877,394 km (0.114 R)
• M19: 19,230,058 km (0.06 R)
• M20: 20,089,648 km (0.068 R)
• M21: 22,650,015 km (0.11 R)
• M22: 24,142,852 km (0.1 R)
• M23: 25,420,568 km (0.04 R)
• M24: 26,455,785 km (0.092 R)
• M25: 26,935,545 km (0.085 R)
• M26: 28,110,487 km (0.066 R)
• M27: 33,599,831 km (0.092 R)
• M28: 37,671,885 km (0.088 R)
• M29: 38,893,202 km (0.06 R)
• M30: 39,513,734 km (0.066 R)
• M31: 42,584,231 km (0.045 R)
• M32: 44,717,496 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.8

Radius: 4.1

Gravity: 50.85 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 5.65 AU - 6.73 AU

Year: 10270 Days

Day: 19.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 52,529,326 km

• M1: 51,162 km (0.066 R)
• M2: 224,546 km (0.12 R)
• M3: 632,949 km (0.066 R)
• M4: 910,901 km (0.117 R)
• M5: 1,344,137 km (0.108 R)
• M6: 2,243,669 km (0.077 R)
• M7: 2,602,853 km (0.117 R)
• M8: 2,818,424 km (0.087 R)
• M9: 2,953,361 km (0.103 R)
• M10: 3,212,016 km (0.062 R)
• M11: 3,721,097 km (0.077 R)
• M12: 4,644,266 km (0.036 R)
• M13: 4,994,325 km (0.073 R)
• M14: 6,037,920 km (0.102 R)
• M15: 6,377,507 km (0.071 R)
• M16: 7,135,818 km (0.119 R)
• M17: 9,616,899 km (0.087 R)
• M18: 9,769,639 km (0.088 R)
• M19: 10,828,941 km (0.083 R)
• M20: 11,217,148 km (0.104 R)
• M21: 11,672,075 km (0.08 R)
• M22: 20,298,636 km (0.081 R)
• M23: 20,973,472 km (0.109 R)
• M24: 22,815,919 km (0.08 R)
• M25: 23,915,912 km (0.07 R)
• M26: 28,459,798 km (0.097 R)
• M27: 28,880,168 km (0.036 R)
• M28: 30,933,399 km (0.113 R)
• M29: 31,266,254 km (0.087 R)
• M30: 31,826,349 km (0.114 R)
• M31: 32,393,175 km (0.059 R)
• M32: 38,948,853 km (0.042 R)
• M33: 43,222,714 km (0.087 R)
• M34: 43,638,596 km (0.119 R)
• M35: 44,337,967 km (0.072 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 12,874 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit