🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.5

Radius: 12.6

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.24 AU - 1.54 AU

Year: 1093 Days

Day: 6.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 97,529,438 km

• M1: 156,779 km (0.1 R)
• M2: 592,108 km (0.104 R)
• M3: 1,064,838 km (0.05 R)
• M4: 1,502,711 km (0.047 R)
• M5: 2,301,713 km (0.09 R)
• M6: 2,943,787 km (0.114 R)
• M7: 3,337,528 km (0.083 R)
• M8: 3,846,909 km (0.073 R)
• M9: 4,479,708 km (0.113 R)
• M10: 5,780,911 km (0.083 R)
• M11: 6,266,505 km (0.079 R)
• M12: 7,144,794 km (0.063 R)
• M13: 8,942,362 km (0.112 R)
• M14: 9,776,670 km (0.108 R)
• M15: 10,727,514 km (0.117 R)
• M16: 11,158,206 km (0.109 R)
• M17: 11,704,238 km (0.114 R)

Asteroid Belt

Center: 2.1 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.7

Radius: 11.4

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.52 AU - 3.1 AU

Year: 3141 Days

Day: 12.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 97,529,438 km

• M1: 144,063 km (0.089 R)
• M2: 740,659 km (0.066 R)
• M3: 1,124,826 km (0.061 R)
• M4: 1,685,818 km (0.117 R)
• M5: 2,248,755 km (0.064 R)
• M6: 3,197,206 km (0.049 R)
• M7: 3,561,477 km (0.101 R)
• M8: 4,335,197 km (0.119 R)
• M9: 5,607,377 km (0.096 R)
• M10: 6,342,800 km (0.111 R)
• M11: 7,946,190 km (0.08 R)
• M12: 8,525,882 km (0.105 R)
• M13: 9,003,398 km (0.075 R)
• M14: 10,507,754 km (0.108 R)
• M15: 10,908,826 km (0.058 R)
• M16: 11,548,656 km (0.051 R)
• M17: 11,975,908 km (0.085 R)
• M18: 13,279,055 km (0.066 R)
• M19: 15,407,982 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.9

Radius: 14

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.49 AU - 4.65 AU

Year: 6515 Days

Day: 10.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 97,529,438 km

• M1: 175,777 km (0.055 R)
• M2: 1,316,162 km (0.083 R)
• M3: 3,170,428 km (0.057 R)
• M4: 3,741,443 km (0.087 R)
• M5: 4,873,599 km (0.119 R)
• M6: 5,608,424 km (0.112 R)
• M7: 8,034,303 km (0.119 R)
• M8: 9,185,758 km (0.068 R)
• M9: 10,264,209 km (0.081 R)
• M10: 12,932,886 km (0.119 R)
• M11: 20,233,411 km (0.075 R)
• M12: 25,443,007 km (0.095 R)
• M13: 27,044,752 km (0.049 R)
• M14: 29,892,796 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.8

Radius: 10.8

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4 AU - 6.58 AU

Year: 8114 Days

Day: 6.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 97,529,438 km

• M1: 152,590 km (0.07 R)
• M2: 605,572 km (0.046 R)
• M3: 1,244,654 km (0.114 R)
• M4: 2,534,038 km (0.047 R)
• M5: 5,629,368 km (0.059 R)
• M6: 7,531,654 km (0.105 R)
• M7: 8,067,514 km (0.085 R)
• M8: 11,458,748 km (0.102 R)
• M9: 14,967,267 km (0.061 R)
• M10: 21,731,484 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.4

Radius: 3.9

Gravity: 47.82 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.89 AU - 7.23 AU

Year: 9948 Days

Day: 18.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 97,529,438 km

• M1: 48,470 km (0.066 R)
• M2: 170,990 km (0.034 R)
• M3: 610,509 km (0.104 R)
• M4: 1,163,722 km (0.111 R)
• M5: 1,285,644 km (0.117 R)
• M6: 2,030,342 km (0.117 R)
• M7: 2,245,015 km (0.098 R)
• M8: 2,636,363 km (0.028 R)
• M9: 3,306,562 km (0.119 R)
• M10: 3,681,304 km (0.094 R)
• M11: 4,083,573 km (0.076 R)
• M12: 4,849,365 km (0.116 R)
• M13: 5,135,396 km (0.109 R)
• M14: 6,468,612 km (0.115 R)
• M15: 6,815,230 km (0.057 R)
• M16: 7,214,657 km (0.101 R)
• M17: 10,459,434 km (0.114 R)
• M18: 11,539,381 km (0.073 R)
• M19: 12,163,952 km (0.1 R)
• M20: 12,691,435 km (0.099 R)
• M21: 12,930,791 km (0.117 R)
• M22: 13,729,345 km (0.109 R)
• M23: 15,356,371 km (0.077 R)
• M24: 21,758,861 km (0.037 R)
• M25: 24,881,417 km (0.102 R)
• M26: 25,634,792 km (0.079 R)
• M27: 26,113,356 km (0.105 R)
• M28: 26,403,276 km (0.119 R)
• M29: 26,793,278 km (0.072 R)
• M30: 27,484,869 km (0.101 R)
• M31: 28,391,581 km (0.104 R)
• M32: 30,264,397 km (0.117 R)
• M33: 32,999,645 km (0.083 R)
• M34: 33,679,866 km (0.073 R)
• M35: 36,134,019 km (0.101 R)
• M36: 38,330,266 km (0.109 R)
• M37: 39,715,392 km (0.116 R)
• M38: 41,525,975 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 897.2

Radius: 7.4

Gravity: 16.38 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 6.35 AU - 8.27 AU

Year: 13180 Days

Day: 15.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 97,529,438 km

• M1: 93,349 km (0.09 R)
• M2: 465,249 km (0.062 R)
• M3: 857,944 km (0.078 R)
• M4: 1,444,517 km (0.093 R)
• M5: 2,193,703 km (0.086 R)
• M6: 2,522,818 km (0.098 R)
• M7: 2,861,059 km (0.105 R)
• M8: 3,178,356 km (0.107 R)
• M9: 3,884,010 km (0.05 R)
• M10: 5,027,536 km (0.083 R)
• M11: 5,417,986 km (0.114 R)
• M12: 7,407,787 km (0.114 R)
• M13: 10,680,241 km (0.1 R)
• M14: 14,380,694 km (0.048 R)
• M15: 14,806,449 km (0.079 R)
• M16: 17,062,684 km (0.118 R)
• M17: 18,604,590 km (0.111 R)
• M18: 19,885,895 km (0.109 R)
• M19: 21,684,211 km (0.062 R)
• M20: 22,527,794 km (0.088 R)
• M21: 24,380,264 km (0.057 R)
• M22: 27,076,616 km (0.1 R)
• M23: 38,073,556 km (0.116 R)
• M24: 55,786,991 km (0.074 R)
• M25: 60,435,894 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 994.8

Radius: 4

Gravity: 62.18 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 7.14 AU - 9.94 AU

Year: 16642 Days

Day: 15.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 97,529,438 km

• M1: 49,816 km (0.099 R)
• M2: 202,107 km (0.113 R)
• M3: 838,945 km (0.083 R)
• M4: 1,451,399 km (0.078 R)
• M5: 2,297,375 km (0.115 R)
• M6: 3,017,539 km (0.044 R)
• M7: 4,744,796 km (0.094 R)
• M8: 5,693,845 km (0.108 R)
• M9: 6,064,398 km (0.066 R)
• M10: 6,762,871 km (0.111 R)
• M11: 7,513,254 km (0.086 R)
• M12: 8,848,714 km (0.119 R)
• M13: 9,687,061 km (0.096 R)
• M14: 10,455,246 km (0.111 R)
• M15: 10,761,323 km (0.074 R)
• M16: 10,947,722 km (0.11 R)
• M17: 11,978,900 km (0.054 R)
• M18: 13,285,338 km (0.117 R)
• M19: 14,836,668 km (0.04 R)
• M20: 15,458,098 km (0.073 R)
• M21: 16,587,113 km (0.074 R)
• M22: 17,003,294 km (0.066 R)
• M23: 20,019,935 km (0.109 R)
• M24: 21,261,747 km (0.082 R)
• M25: 21,555,408 km (0.044 R)
• M26: 23,271,146 km (0.105 R)
• M27: 26,404,174 km (0.066 R)
• M28: 26,971,299 km (0.033 R)
• M29: 28,840,824 km (0.078 R)
• M30: 32,446,133 km (0.082 R)
• M31: 33,227,781 km (0.04 R)
• M32: 38,762,304 km (0.109 R)
• M33: 39,200,476 km (0.112 R)
• M34: 46,013,163 km (0.097 R)
• M35: 47,831,675 km (0.109 R)
• M36: 52,497,184 km (0.059 R)
• M37: 52,854,424 km (0.072 R)
• M38: 57,836,332 km (0.104 R)
• M39: 58,600,029 km (0.11 R)
• M40: 59,758,216 km (0.092 R)
• M41: 60,342,844 km (0.115 R)
• M42: 69,792,643 km (0.068 R)
• M43: 74,191,568 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 974.9

Radius: 7.3

Gravity: 18.29 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 9.09 AU - 12.91 AU

Year: 24329 Days

Day: 15.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 97,529,438 km

• M1: 90,806 km (0.115 R)
• M2: 406,607 km (0.114 R)
• M3: 1,291,778 km (0.102 R)
• M4: 1,541,307 km (0.03 R)
• M5: 2,592,232 km (0.113 R)
• M6: 3,374,330 km (0.108 R)
• M7: 4,376,785 km (0.113 R)
• M8: 5,437,434 km (0.102 R)
• M9: 8,334,546 km (0.106 R)
• M10: 8,561,935 km (0.103 R)
• M11: 8,969,888 km (0.093 R)
• M12: 10,336,914 km (0.053 R)
• M13: 12,270,616 km (0.053 R)
• M14: 12,864,669 km (0.085 R)
• M15: 14,271,188 km (0.115 R)
• M16: 17,202,558 km (0.111 R)
• M17: 17,479,015 km (0.043 R)
• M18: 19,004,016 km (0.102 R)
• M19: 20,204,539 km (0.059 R)
• M20: 25,394,987 km (0.059 R)
• M21: 33,799,545 km (0.098 R)
• M22: 37,840,482 km (0.074 R)
• M23: 44,574,780 km (0.105 R)
• M24: 48,314,577 km (0.111 R)
• M25: 48,681,241 km (0.117 R)
• M26: 49,420,255 km (0.112 R)
• M27: 52,065,744 km (0.088 R)
• M28: 53,227,820 km (0.025 R)
• M29: 56,614,267 km (0.028 R)
• M30: 58,464,045 km (0.06 R)
• M31: 69,478,936 km (0.097 R)
• M32: 69,712,309 km (0.079 R)
• M33: 71,598,139 km (0.089 R)
• M34: 79,481,947 km (0.106 R)
• M35: 80,763,702 km (0.106 R)
• M36: 88,471,433 km (0.11 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 20,208 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit