🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.8

Radius: 14.6

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.41 AU - 1.71 AU

Year: 1239 Days

Day: 12.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,262,592 km

• M1: 181,612 km (0.088 R)
• M2: 812,616 km (0.065 R)
• M3: 1,455,138 km (0.082 R)
• M4: 1,924,427 km (0.095 R)
• M5: 2,553,336 km (0.09 R)
• M6: 3,196,009 km (0.115 R)
• M7: 3,945,195 km (0.063 R)
• M8: 4,412,539 km (0.075 R)
• M9: 5,099,791 km (0.098 R)
• M10: 5,696,238 km (0.083 R)
• M11: 6,168,668 km (0.046 R)
• M12: 6,712,008 km (0.117 R)
• M13: 7,795,844 km (0.087 R)
• M14: 8,458,264 km (0.115 R)
• M15: 9,693,792 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.3

Radius: 14

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.75 AU - 2.53 AU

Year: 1990 Days

Day: 7.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,262,592 km

• M1: 178,919 km (0.071 R)
• M2: 627,114 km (0.104 R)
• M3: 1,221,167 km (0.055 R)
• M4: 2,901,002 km (0.094 R)
• M5: 3,428,484 km (0.041 R)
• M6: 4,054,551 km (0.106 R)
• M7: 4,974,279 km (0.12 R)
• M8: 6,120,946 km (0.067 R)
• M9: 6,670,719 km (0.106 R)
• M10: 11,599,819 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795

Radius: 14.4

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.73 AU - 2.81 AU

Year: 2175 Days

Day: 7.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 144.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,262,592 km

• M1: 179,069 km (0.096 R)
• M2: 680,820 km (0.071 R)
• M3: 1,350,869 km (0.099 R)
• M4: 1,878,052 km (0.108 R)
• M5: 2,515,787 km (0.059 R)
• M6: 3,003,476 km (0.075 R)
• M7: 3,902,260 km (0.042 R)
• M8: 4,862,978 km (0.037 R)
• M9: 5,652,556 km (0.059 R)
• M10: 6,911,122 km (0.082 R)
• M11: 8,903,916 km (0.117 R)
• M12: 10,233,242 km (0.071 R)
• M13: 10,907,480 km (0.114 R)
• M14: 12,262,089 km (0.118 R)
• M15: 12,980,158 km (0.044 R)
• M16: 14,132,361 km (0.111 R)
• M17: 16,947,793 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.4

Radius: 14.8

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.1 AU - 2.5 AU

Year: 2218 Days

Day: 14.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,262,592 km

• M1: 184,305 km (0.083 R)
• M2: 744,848 km (0.106 R)
• M3: 2,367,386 km (0.116 R)
• M4: 4,272,515 km (0.113 R)
• M5: 5,872,016 km (0.071 R)
• M6: 8,199,459 km (0.116 R)
• M7: 9,010,729 km (0.11 R)
• M8: 10,363,093 km (0.113 R)
• M9: 11,769,463 km (0.106 R)
• M10: 12,721,205 km (0.048 R)
• M11: 13,766,594 km (0.095 R)
• M12: 14,913,861 km (0.091 R)
• M13: 16,028,514 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437

Radius: 8.9

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.13 AU - 4.45 AU

Year: 4691 Days

Day: 10.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,262,592 km

• M1: 110,702 km (0.099 R)
• M2: 962,064 km (0.037 R)
• M3: 1,277,566 km (0.076 R)
• M4: 1,581,997 km (0.107 R)
• M5: 1,948,213 km (0.115 R)
• M6: 2,267,006 km (0.117 R)
• M7: 2,652,969 km (0.101 R)
• M8: 2,940,197 km (0.071 R)
• M9: 3,248,368 km (0.048 R)
• M10: 4,037,946 km (0.097 R)
• M11: 4,655,635 km (0.093 R)
• M12: 5,657,642 km (0.106 R)
• M13: 7,241,285 km (0.054 R)
• M14: 7,909,239 km (0.055 R)
• M15: 8,436,871 km (0.109 R)
• M16: 10,079,905 km (0.086 R)
• M17: 14,088,230 km (0.111 R)
• M18: 17,012,719 km (0.118 R)
• M19: 21,375,591 km (0.106 R)
• M20: 24,764,432 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.8

Radius: 12.8

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 5.46 AU - 6.4 AU

Year: 9182 Days

Day: 11.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,262,592 km

• M1: 172,786 km (0.044 R)
• M2: 582,235 km (0.059 R)
• M3: 2,062,356 km (0.115 R)
• M4: 5,158,883 km (0.058 R)
• M5: 5,784,202 km (0.064 R)
• M6: 6,338,611 km (0.073 R)
• M7: 8,919,474 km (0.037 R)
• M8: 13,745,501 km (0.082 R)
• M9: 15,494,749 km (0.06 R)
• M10: 17,688,003 km (0.039 R)
• M11: 19,560,071 km (0.119 R)
• M12: 24,361,714 km (0.085 R)
• M13: 25,966,151 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.5

Radius: 7.2

Gravity: 15.52 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 7.27 AU - 7.37 AU

Year: 12592 Days

Day: 21.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 85,262,592 km

• M1: 97,837 km (0.066 R)
• M2: 493,374 km (0.104 R)
• M3: 834,307 km (0.051 R)
• M4: 1,148,463 km (0.03 R)
• M5: 1,481,468 km (0.114 R)
• M6: 2,263,865 km (0.091 R)
• M7: 2,952,763 km (0.116 R)
• M8: 3,829,855 km (0.088 R)
• M9: 4,298,096 km (0.104 R)
• M10: 5,599,598 km (0.103 R)
• M11: 7,017,038 km (0.119 R)
• M12: 8,321,232 km (0.08 R)
• M13: 9,939,582 km (0.076 R)
• M14: 10,597,364 km (0.079 R)
• M15: 11,817,484 km (0.044 R)
• M16: 12,121,317 km (0.117 R)
• M17: 13,258,560 km (0.096 R)
• M18: 15,024,264 km (0.047 R)
• M19: 15,525,267 km (0.12 R)
• M20: 19,098,412 km (0.056 R)
• M21: 23,469,662 km (0.056 R)
• M22: 28,464,436 km (0.032 R)
• M23: 30,806,091 km (0.046 R)
• M24: 32,555,339 km (0.115 R)
• M25: 37,672,783 km (0.061 R)
• M26: 39,266,300 km (0.104 R)
• M27: 41,599,727 km (0.102 R)
• M28: 43,158,088 km (0.074 R)
• M29: 47,758,223 km (0.093 R)
• M30: 51,536,466 km (0.109 R)
• M31: 56,361,746 km (0.052 R)
• M32: 58,971,929 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.8

Radius: 3.5

Gravity: 54.84 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 8.96 AU - 9.28 AU

Year: 17512 Days

Day: 23 Hours

Environment

Temp: -221 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 85,262,592 km

• M1: 43,832 km (0.104 R)
• M2: 377,286 km (0.119 R)
• M3: 622,028 km (0.067 R)
• M4: 779,854 km (0.032 R)
• M5: 1,072,916 km (0.037 R)
• M6: 1,190,051 km (0.078 R)
• M7: 1,948,063 km (0.037 R)
• M8: 2,395,361 km (0.1 R)
• M9: 2,689,919 km (0.055 R)
• M10: 3,323,616 km (0.076 R)
• M11: 4,774,266 km (0.101 R)
• M12: 4,985,499 km (0.099 R)
• M13: 6,095,664 km (0.058 R)
• M14: 8,480,853 km (0.043 R)
• M15: 15,584,209 km (0.104 R)
• M16: 16,205,788 km (0.09 R)
• M17: 16,522,636 km (0.068 R)
• M18: 17,747,992 km (0.096 R)
• M19: 18,684,026 km (0.088 R)
• M20: 20,746,831 km (0.057 R)
• M21: 21,498,411 km (0.113 R)
• M22: 23,155,656 km (0.073 R)
• M23: 25,000,946 km (0.07 R)
• M24: 26,502,310 km (0.059 R)
• M25: 26,611,816 km (0.078 R)
• M26: 27,163,832 km (0.11 R)
• M27: 28,290,453 km (0.08 R)
• M28: 29,097,534 km (0.114 R)
• M29: 32,229,365 km (0.099 R)
• M30: 33,236,458 km (0.066 R)
• M31: 37,474,715 km (0.078 R)
• M32: 42,657,234 km (0.036 R)
• M33: 44,640,154 km (0.075 R)
• M34: 46,683,661 km (0.052 R)
• M35: 48,297,224 km (0.062 R)
• M36: 54,768,528 km (0.111 R)
• M37: 55,660,730 km (0.105 R)
• M38: 64,526,349 km (0.064 R)
• M39: 65,521,474 km (0.119 R)
• M40: 69,188,417 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.1

Radius: 6.2

Gravity: 18.24 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 8.59 AU - 13.57 AU

Year: 23450 Days

Day: 23.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 123.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 85,262,592 km

• M1: 77,940 km (0.111 R)
• M2: 296,204 km (0.118 R)
• M3: 541,544 km (0.104 R)
• M4: 1,456,634 km (0.112 R)
• M5: 1,698,534 km (0.09 R)
• M6: 2,308,744 km (0.093 R)
• M7: 3,366,550 km (0.059 R)
• M8: 4,357,188 km (0.12 R)
• M9: 4,976,373 km (0.114 R)
• M10: 5,287,238 km (0.119 R)
• M11: 5,778,068 km (0.094 R)
• M12: 10,853,625 km (0.044 R)
• M13: 11,712,616 km (0.112 R)
• M14: 13,121,528 km (0.059 R)
• M15: 13,416,386 km (0.084 R)
• M16: 17,930,651 km (0.1 R)
• M17: 19,034,683 km (0.04 R)
• M18: 22,723,468 km (0.115 R)
• M19: 23,687,776 km (0.097 R)
• M20: 24,015,245 km (0.113 R)
• M21: 27,818,622 km (0.107 R)
• M22: 28,921,607 km (0.062 R)
• M23: 29,673,037 km (0.095 R)
• M24: 33,215,664 km (0.08 R)
• M25: 39,270,937 km (0.07 R)
• M26: 49,670,682 km (0.101 R)
• M27: 54,828,816 km (0.052 R)
• M28: 58,326,714 km (0.076 R)
• M29: 64,059,005 km (0.105 R)
• M30: 64,907,375 km (0.092 R)
• M31: 67,278,950 km (0.081 R)
• M32: 70,380,113 km (0.111 R)
• M33: 74,505,574 km (0.101 R)
• M34: 80,007,784 km (0.059 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: 427 - 18,280 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit