🌌 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: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.8

Radius: 8.3

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.57 AU - 0.85 AU

Year: 392 Days

Day: 5.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 69,349,375 km

• M1: 103,821 km (0.115 R)
• M2: 405,261 km (0.094 R)
• M3: 719,865 km (0.116 R)
• M4: 1,868,477 km (0.05 R)
• M5: 2,251,598 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573

Radius: 9.8

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.6 AU - 0.96 AU

Year: 452 Days

Day: 8.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,349,375 km

• M1: 122,969 km (0.102 R)
• M2: 441,912 km (0.057 R)
• M3: 793,916 km (0.095 R)
• M4: 1,419,983 km (0.118 R)
• M5: 1,908,719 km (0.112 R)
• M6: 2,348,687 km (0.096 R)
• M7: 2,692,163 km (0.108 R)
• M8: 3,047,458 km (0.115 R)
• M9: 4,129,051 km (0.111 R)
• M10: 5,481,416 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.5

Radius: 13.7

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.66 AU - 1.08 AU

Year: 532 Days

Day: 14.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 69,349,375 km

• M1: 238,010 km (0.101 R)
• M2: 713,582 km (0.112 R)
• M3: 1,425,069 km (0.088 R)
• M4: 1,917,994 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.2

Radius: 12.3

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.72 AU - 2.8 AU

Year: 2229 Days

Day: 10.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,349,375 km

• M1: 153,039 km (0.109 R)
• M2: 540,348 km (0.058 R)
• M3: 964,757 km (0.043 R)
• M4: 1,839,306 km (0.055 R)
• M5: 3,076,181 km (0.08 R)
• M6: 3,729,176 km (0.093 R)
• M7: 4,117,981 km (0.113 R)
• M8: 4,720,860 km (0.057 R)
• M9: 5,199,872 km (0.093 R)
• M10: 5,591,968 km (0.113 R)
• M11: 5,979,277 km (0.092 R)
• M12: 7,478,547 km (0.085 R)
• M13: 8,598,287 km (0.12 R)
• M14: 9,585,783 km (0.12 R)
• M15: 10,213,645 km (0.091 R)
• M16: 11,943,445 km (0.056 R)
• M17: 14,619,003 km (0.108 R)
• M18: 16,315,593 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.8

Radius: 13.1

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.27 AU - 4.99 AU

Year: 6536 Days

Day: 14.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,349,375 km

• M1: 162,912 km (0.077 R)
• M2: 575,952 km (0.083 R)
• M3: 1,845,140 km (0.102 R)
• M4: 2,550,344 km (0.068 R)
• M5: 3,080,220 km (0.032 R)
• M6: 3,992,767 km (0.089 R)
• M7: 6,206,068 km (0.054 R)
• M8: 9,405,218 km (0.116 R)
• M9: 9,909,961 km (0.078 R)
• M10: 10,514,786 km (0.028 R)
• M11: 17,291,868 km (0.107 R)
• M12: 18,831,978 km (0.1 R)
• M13: 19,761,131 km (0.063 R)
• M14: 20,333,193 km (0.109 R)
• M15: 21,510,379 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.9

Radius: 6.9

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.79 AU - 7.85 AU

Year: 11684 Days

Day: 19.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,349,375 km

• M1: 86,019 km (0.082 R)
• M2: 348,413 km (0.1 R)
• M3: 697,724 km (0.066 R)
• M4: 1,082,789 km (0.095 R)
• M5: 1,462,469 km (0.12 R)
• M6: 2,133,116 km (0.069 R)
• M7: 2,753,349 km (0.058 R)
• M8: 3,014,846 km (0.086 R)
• M9: 4,793,415 km (0.102 R)
• M10: 5,337,353 km (0.087 R)
• M11: 8,462,752 km (0.046 R)
• M12: 9,208,198 km (0.102 R)
• M13: 9,745,703 km (0.118 R)
• M14: 10,669,919 km (0.084 R)
• M15: 11,098,965 km (0.116 R)
• M16: 11,317,827 km (0.112 R)
• M17: 11,991,616 km (0.119 R)
• M18: 12,810,963 km (0.059 R)
• M19: 14,045,744 km (0.07 R)
• M20: 14,301,856 km (0.091 R)
• M21: 14,889,476 km (0.081 R)
• M22: 18,836,317 km (0.08 R)
• M23: 21,342,231 km (0.073 R)
• M24: 27,801,119 km (0.037 R)
• M25: 29,755,615 km (0.045 R)
• M26: 32,800,081 km (0.096 R)
• M27: 35,926,677 km (0.118 R)
• M28: 37,377,776 km (0.093 R)
• M29: 40,139,053 km (0.051 R)
• M30: 45,502,736 km (0.103 R)
• M31: 47,487,301 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830

Radius: 4.2

Gravity: 47.05 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.76 AU - 8.72 AU

Year: 12780 Days

Day: 17.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 69,349,375 km

• M1: 52,210 km (0.093 R)
• M2: 224,397 km (0.09 R)
• M3: 1,014,423 km (0.078 R)
• M4: 1,222,663 km (0.083 R)
• M5: 1,429,557 km (0.037 R)
• M6: 1,843,495 km (0.052 R)
• M7: 2,272,392 km (0.067 R)
• M8: 2,478,538 km (0.099 R)
• M9: 3,483,386 km (0.033 R)
• M10: 3,786,023 km (0.088 R)
• M11: 4,475,071 km (0.112 R)
• M12: 4,799,399 km (0.107 R)
• M13: 5,139,136 km (0.107 R)
• M14: 5,350,667 km (0.062 R)
• M15: 5,942,925 km (0.091 R)
• M16: 8,409,345 km (0.075 R)
• M17: 10,667,974 km (0.107 R)
• M18: 12,151,386 km (0.111 R)
• M19: 14,521,166 km (0.112 R)
• M20: 15,447,476 km (0.062 R)
• M21: 15,962,242 km (0.112 R)
• M22: 17,894,149 km (0.105 R)
• M23: 18,298,363 km (0.102 R)
• M24: 19,976,552 km (0.08 R)
• M25: 23,155,207 km (0.076 R)
• M26: 23,926,235 km (0.069 R)
• M27: 24,515,650 km (0.077 R)
• M28: 25,014,260 km (0.09 R)
• M29: 25,215,619 km (0.083 R)
• M30: 29,584,325 km (0.1 R)
• M31: 38,832,017 km (0.078 R)
• M32: 44,766,714 km (0.072 R)
• M33: 46,112,496 km (0.068 R)
• M34: 48,103,794 km (0.1 R)
• M35: 49,357,274 km (0.109 R)
• M36: 51,440,275 km (0.117 R)
• M37: 52,750,902 km (0.097 R)
• M38: 56,642,541 km (0.038 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 137.4

Radius: 6.6

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 8.2 AU - 9.44 AU

Year: 17184 Days

Day: 23.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,349,375 km

• M1: 83,027 km (0.115 R)
• M2: 637,437 km (0.072 R)
• M3: 1,552,078 km (0.082 R)
• M4: 1,909,916 km (0.069 R)
• M5: 4,095,092 km (0.063 R)
• M6: 4,469,386 km (0.116 R)
• M7: 4,693,484 km (0.11 R)
• M8: 7,099,167 km (0.105 R)
• M9: 8,001,392 km (0.097 R)
• M10: 11,063,361 km (0.101 R)
• M11: 14,158,391 km (0.066 R)
• M12: 14,459,981 km (0.05 R)
• M13: 28,497,497 km (0.082 R)
• M14: 33,875,839 km (0.036 R)
• M15: 37,545,176 km (0.111 R)
• M16: 38,824,986 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.6

Radius: 6.2

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 7.32 AU - 10.5 AU

Year: 17447 Days

Day: 18.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,349,375 km

• M1: 82,728 km (0.111 R)
• M2: 299,046 km (0.12 R)
• M3: 684,560 km (0.058 R)
• M4: 1,558,361 km (0.108 R)
• M5: 2,295,280 km (0.084 R)
• M6: 3,543,824 km (0.088 R)
• M7: 5,662,878 km (0.102 R)
• M8: 7,656,269 km (0.08 R)
• M9: 9,896,647 km (0.116 R)
• M10: 12,696,670 km (0.06 R)
• M11: 15,321,216 km (0.061 R)
• M12: 18,690,608 km (0.093 R)
• M13: 19,377,412 km (0.072 R)
• M14: 23,616,717 km (0.064 R)
• M15: 27,722,729 km (0.113 R)
• M16: 29,990,035 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 461

Radius: 6.8

Gravity: 9.97 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.71 AU - 12.59 AU

Year: 21213 Days

Day: 21.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,349,375 km

• M1: 112,647 km (0.056 R)
• M2: 379,081 km (0.099 R)
• M3: 614,099 km (0.108 R)
• M4: 1,233,135 km (0.114 R)
• M5: 2,188,168 km (0.119 R)
• M6: 6,695,402 km (0.099 R)
• M7: 7,696,960 km (0.072 R)
• M8: 11,798,036 km (0.112 R)
• M9: 12,979,560 km (0.116 R)
• M10: 17,157,829 km (0.082 R)
• M11: 17,903,574 km (0.104 R)
• M12: 19,548,702 km (0.099 R)
• M13: 20,545,921 km (0.033 R)
• M14: 21,672,094 km (0.099 R)
• M15: 24,666,295 km (0.034 R)
• M16: 27,363,395 km (0.109 R)
• M17: 40,554,337 km (0.094 R)
• M18: 41,284,824 km (0.085 R)
• M19: 46,486,641 km (0.117 R)
• M20: 52,798,474 km (0.118 R)
• M21: 57,982,788 km (0.118 R)
• M22: 68,727,805 km (0.06 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 11,894 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit