🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.9

Radius: 9.5

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.68 AU - 0.76 AU

Year: 422 Days

Day: 8.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,136,849 km

• M1: 118,182 km (0.075 R)
• M2: 510,578 km (0.076 R)
• M3: 814,112 km (0.105 R)
• M4: 1,124,677 km (0.034 R)
• M5: 1,763,161 km (0.113 R)
• M6: 2,069,986 km (0.111 R)
• M7: 2,753,498 km (0.116 R)
• M8: 3,169,979 km (0.079 R)
• M9: 3,936,518 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.6

Radius: 12.4

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.07 AU - 1.33 AU

Year: 907 Days

Day: 14.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 99.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,136,849 km

• M1: 158,723 km (0.092 R)
• M2: 635,043 km (0.09 R)
• M3: 1,059,003 km (0.03 R)
• M4: 1,531,284 km (0.095 R)
• M5: 3,051,049 km (0.03 R)
• M6: 3,868,751 km (0.118 R)
• M7: 5,209,746 km (0.081 R)
• M8: 6,690,765 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.9

Radius: 11.5

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1 AU - 1.48 AU

Year: 953 Days

Day: 10.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,136,849 km

• M1: 143,165 km (0.103 R)
• M2: 581,487 km (0.108 R)
• M3: 1,044,941 km (0.114 R)
• M4: 1,956,291 km (0.094 R)
• M5: 2,539,723 km (0.092 R)
• M6: 3,298,932 km (0.112 R)
• M7: 3,871,144 km (0.117 R)
• M8: 4,384,863 km (0.071 R)
• M9: 5,044,141 km (0.105 R)
• M10: 5,640,139 km (0.099 R)
• M11: 6,223,870 km (0.075 R)
• M12: 7,315,336 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252

Radius: 13.3

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.09 AU - 2.25 AU

Year: 2206 Days

Day: 5.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,136,849 km

• M1: 165,455 km (0.055 R)
• M2: 705,204 km (0.096 R)
• M3: 1,128,866 km (0.033 R)
• M4: 1,740,422 km (0.088 R)
• M5: 2,304,106 km (0.08 R)
• M6: 3,072,291 km (0.112 R)
• M7: 3,627,150 km (0.109 R)
• M8: 4,319,938 km (0.116 R)
• M9: 4,999,561 km (0.066 R)
• M10: 6,038,368 km (0.034 R)
• M11: 6,549,395 km (0.095 R)
• M12: 7,712,069 km (0.041 R)
• M13: 9,037,806 km (0.046 R)
• M14: 11,012,348 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.5

Radius: 9.8

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.77 AU - 4.93 AU

Year: 7373 Days

Day: 9.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,136,849 km

• M1: 121,922 km (0.091 R)
• M2: 543,339 km (0.063 R)
• M3: 926,908 km (0.105 R)
• M4: 1,961,527 km (0.116 R)
• M5: 2,362,898 km (0.112 R)
• M6: 4,272,964 km (0.118 R)
• M7: 4,922,817 km (0.064 R)
• M8: 5,349,769 km (0.11 R)
• M9: 6,139,347 km (0.119 R)
• M10: 7,271,803 km (0.095 R)
• M11: 11,714,112 km (0.103 R)
• M12: 12,255,656 km (0.117 R)
• M13: 16,526,077 km (0.068 R)
• M14: 16,932,833 km (0.102 R)
• M15: 17,766,243 km (0.078 R)
• M16: 18,772,887 km (0.059 R)
• M17: 20,664,403 km (0.09 R)
• M18: 21,939,575 km (0.097 R)
• M19: 22,348,725 km (0.069 R)
• M20: 23,436,152 km (0.12 R)
• M21: 25,266,781 km (0.076 R)
• M22: 27,378,954 km (0.113 R)
• M23: 32,902,256 km (0.101 R)
• M24: 33,223,294 km (0.065 R)
• M25: 37,940,114 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983

Radius: 11.9

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.83 AU - 4.99 AU

Year: 7510 Days

Day: 5.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,136,849 km

• M1: 147,952 km (0.115 R)
• M2: 725,849 km (0.089 R)
• M3: 1,279,361 km (0.07 R)
• M4: 1,976,188 km (0.119 R)
• M5: 2,571,737 km (0.076 R)
• M6: 3,992,468 km (0.117 R)
• M7: 4,425,255 km (0.113 R)
• M8: 5,385,823 km (0.105 R)
• M9: 6,229,255 km (0.054 R)
• M10: 8,567,919 km (0.102 R)
• M11: 9,015,665 km (0.116 R)
• M12: 11,655,619 km (0.033 R)
• M13: 15,223,379 km (0.049 R)
• M14: 16,834,847 km (0.088 R)
• M15: 18,189,156 km (0.049 R)
• M16: 21,602,381 km (0.066 R)
• M17: 23,459,639 km (0.065 R)
• M18: 24,516,548 km (0.101 R)
• M19: 27,489,656 km (0.111 R)
• M20: 28,466,081 km (0.111 R)
• M21: 29,163,207 km (0.084 R)
• M22: 30,178,827 km (0.093 R)
• M23: 32,388,238 km (0.118 R)
• M24: 34,142,423 km (0.1 R)
• M25: 36,306,805 km (0.118 R)
• M26: 37,008,868 km (0.095 R)
• M27: 38,925,366 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.4

Radius: 9.3

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.01 AU - 6.27 AU

Year: 8044 Days

Day: 7.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,136,849 km

• M1: 223,499 km (0.077 R)
• M2: 949,498 km (0.095 R)
• M3: 1,325,437 km (0.116 R)
• M4: 1,755,232 km (0.112 R)
• M5: 2,206,120 km (0.075 R)
• M6: 2,652,669 km (0.074 R)
• M7: 5,817,712 km (0.099 R)
• M8: 7,610,792 km (0.034 R)
• M9: 8,589,162 km (0.105 R)
• M10: 8,948,346 km (0.067 R)
• M11: 11,002,026 km (0.055 R)
• M12: 14,643,388 km (0.079 R)
• M13: 18,345,486 km (0.114 R)
• M14: 19,784,019 km (0.049 R)
• M15: 21,706,801 km (0.036 R)
• M16: 25,365,965 km (0.085 R)
• M17: 31,277,773 km (0.09 R)
• M18: 32,887,446 km (0.093 R)
• M19: 38,288,229 km (0.12 R)
• M20: 41,899,671 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 820.1

Radius: 6.8

Gravity: 17.74 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.13 AU - 8.35 AU

Year: 13447 Days

Day: 24.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,136,849 km

• M1: 84,523 km (0.097 R)
• M2: 625,917 km (0.117 R)
• M3: 919,429 km (0.061 R)
• M4: 1,344,436 km (0.083 R)
• M5: 2,561,564 km (0.097 R)
• M6: 2,831,588 km (0.048 R)
• M7: 3,455,561 km (0.086 R)
• M8: 3,959,108 km (0.079 R)
• M9: 4,607,016 km (0.109 R)
• M10: 4,973,531 km (0.119 R)
• M11: 6,554,631 km (0.088 R)
• M12: 6,932,665 km (0.101 R)
• M13: 8,444,351 km (0.096 R)
• M14: 8,741,153 km (0.103 R)
• M15: 9,889,317 km (0.073 R)
• M16: 11,431,820 km (0.088 R)
• M17: 11,673,271 km (0.103 R)
• M18: 18,130,813 km (0.113 R)
• M19: 19,298,275 km (0.055 R)
• M20: 21,232,875 km (0.039 R)
• M21: 23,681,792 km (0.119 R)
• M22: 25,792,169 km (0.106 R)
• M23: 30,383,328 km (0.081 R)
• M24: 32,027,109 km (0.035 R)
• M25: 33,729,234 km (0.101 R)
• M26: 34,351,411 km (0.071 R)
• M27: 36,264,169 km (0.111 R)
• M28: 36,785,967 km (0.054 R)
• M29: 38,787,437 km (0.113 R)
• M30: 39,607,981 km (0.045 R)
• M31: 40,161,493 km (0.111 R)
• M32: 54,869,208 km (0.108 R)
• M33: 58,543,780 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 337.5

Radius: 4.4

Gravity: 17.43 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 8.51 AU - 10.37 AU

Year: 20020 Days

Day: 23.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,136,849 km

• M1: 55,351 km (0.042 R)
• M2: 196,123 km (0.109 R)
• M3: 595,400 km (0.105 R)
• M4: 776,263 km (0.06 R)
• M5: 1,185,563 km (0.086 R)
• M6: 1,726,060 km (0.074 R)
• M7: 2,136,258 km (0.091 R)
• M8: 2,857,918 km (0.033 R)
• M9: 5,034,417 km (0.041 R)
• M10: 6,909,178 km (0.09 R)
• M11: 7,210,169 km (0.045 R)
• M12: 8,848,564 km (0.115 R)
• M13: 12,145,103 km (0.119 R)
• M14: 14,582,800 km (0.052 R)
• M15: 24,500,242 km (0.113 R)
• M16: 25,912,146 km (0.065 R)
• M17: 36,176,804 km (0.086 R)
• M18: 36,822,618 km (0.099 R)
• M19: 37,476,062 km (0.111 R)
• M20: 40,998,942 km (0.105 R)
• M21: 44,293,985 km (0.09 R)
• M22: 45,181,699 km (0.09 R)
• M23: 48,538,226 km (0.111 R)
• M24: 52,714,699 km (0.055 R)
• M25: 53,045,610 km (0.116 R)
• M26: 56,603,496 km (0.098 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 10,508 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit