🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.1

Radius: 13.3

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.56 AU - 0.8 AU

Year: 368 Days

Day: 5.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 82,317,906 km

• M1: 165,455 km (0.1 R)
• M2: 842,086 km (0.108 R)
• M3: 1,367,325 km (0.103 R)
• M4: 1,802,804 km (0.036 R)
• M5: 2,242,173 km (0.113 R)
• M6: 2,762,624 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.3

Radius: 10.8

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.57 AU - 0.87 AU

Year: 401 Days

Day: 10.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 80 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,317,906 km

• M1: 134,339 km (0.093 R)
• M2: 501,003 km (0.117 R)
• M3: 845,826 km (0.034 R)
• M4: 1,266,645 km (0.081 R)
• M5: 2,016,131 km (0.084 R)
• M6: 2,363,497 km (0.074 R)
• M7: 3,259,139 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.8

Radius: 14.6

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.87 AU - 1.03 AU

Year: 607 Days

Day: 9.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 82,317,906 km

• M1: 185,202 km (0.028 R)
• M2: 718,219 km (0.101 R)
• M3: 1,285,794 km (0.069 R)
• M4: 1,839,007 km (0.048 R)
• M5: 2,759,034 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.6

Radius: 11.1

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.81 AU - 1.29 AU

Year: 706 Days

Day: 9.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,317,906 km

• M1: 138,079 km (0.109 R)
• M2: 578,944 km (0.047 R)
• M3: 947,403 km (0.067 R)
• M4: 1,414,448 km (0.099 R)
• M5: 1,945,520 km (0.099 R)
• M6: 2,714,603 km (0.041 R)
• M7: 3,362,212 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.5

Radius: 13.8

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.01 AU - 3.27 AU

Year: 2814 Days

Day: 5.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,317,906 km

• M1: 171,738 km (0.097 R)
• M2: 722,857 km (0.073 R)
• M3: 1,500,317 km (0.113 R)
• M4: 2,178,145 km (0.109 R)
• M5: 2,792,843 km (0.108 R)
• M6: 5,221,564 km (0.081 R)
• M7: 6,571,984 km (0.102 R)
• M8: 7,213,460 km (0.086 R)
• M9: 7,714,164 km (0.116 R)
• M10: 10,025,900 km (0.117 R)
• M11: 11,458,449 km (0.066 R)
• M12: 12,100,972 km (0.057 R)
• M13: 13,196,327 km (0.03 R)
• M14: 13,857,700 km (0.097 R)
• M15: 16,982,949 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.6

Radius: 13.8

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.84 AU - 3.52 AU

Year: 3720 Days

Day: 14.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,317,906 km

• M1: 175,329 km (0.118 R)
• M2: 616,343 km (0.076 R)
• M3: 1,179,430 km (0.102 R)
• M4: 1,884,335 km (0.113 R)
• M5: 2,571,288 km (0.089 R)
• M6: 3,149,933 km (0.105 R)
• M7: 3,901,512 km (0.101 R)
• M8: 6,479,383 km (0.04 R)
• M9: 7,838,779 km (0.113 R)
• M10: 8,307,319 km (0.069 R)
• M11: 8,794,560 km (0.111 R)
• M12: 9,992,390 km (0.092 R)
• M13: 10,849,735 km (0.073 R)
• M14: 11,524,272 km (0.073 R)
• M15: 12,809,318 km (0.102 R)
• M16: 15,832,990 km (0.112 R)
• M17: 18,852,623 km (0.033 R)
• M18: 22,452,696 km (0.06 R)
• M19: 26,087,924 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.4

Radius: 8.6

Gravity: 12.23 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.76 AU - 5.56 AU

Year: 7689 Days

Day: 7.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,317,906 km

• M1: 106,962 km (0.114 R)
• M2: 491,878 km (0.069 R)
• M3: 819,946 km (0.077 R)
• M4: 1,576,911 km (0.1 R)
• M5: 2,060,112 km (0.107 R)
• M6: 2,522,818 km (0.093 R)
• M7: 3,010,059 km (0.112 R)
• M8: 3,486,827 km (0.118 R)
• M9: 4,707,247 km (0.094 R)
• M10: 5,129,861 km (0.11 R)
• M11: 6,333,375 km (0.104 R)
• M12: 7,963,843 km (0.065 R)
• M13: 8,876,240 km (0.084 R)
• M14: 10,248,501 km (0.11 R)
• M15: 17,660,328 km (0.114 R)
• M16: 20,840,031 km (0.084 R)
• M17: 22,312,672 km (0.106 R)
• M18: 22,733,790 km (0.082 R)
• M19: 27,818,921 km (0.088 R)
• M20: 30,624,928 km (0.116 R)
• M21: 32,957,907 km (0.086 R)
• M22: 35,749,852 km (0.088 R)
• M23: 37,498,651 km (0.099 R)
• M24: 39,426,070 km (0.111 R)
• M25: 42,439,719 km (0.088 R)
• M26: 42,956,580 km (0.061 R)
• M27: 43,346,881 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.3

Radius: 14.4

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.04 AU - 6.68 AU

Year: 8141 Days

Day: 5.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 82,317,906 km

• M1: 179,368 km (0.118 R)
• M2: 643,271 km (0.073 R)
• M3: 1,187,059 km (0.089 R)
• M4: 1,886,878 km (0.06 R)
• M5: 2,442,933 km (0.076 R)
• M6: 3,241,636 km (0.068 R)
• M7: 3,944,148 km (0.105 R)
• M8: 4,835,452 km (0.075 R)
• M9: 6,276,079 km (0.06 R)
• M10: 8,071,553 km (0.114 R)
• M11: 8,680,716 km (0.059 R)
• M12: 11,976,058 km (0.052 R)
• M13: 14,652,513 km (0.101 R)
• M14: 19,190,564 km (0.119 R)
• M15: 22,237,723 km (0.086 R)
• M16: 24,410,184 km (0.105 R)
• M17: 26,911,759 km (0.113 R)
• M18: 27,393,165 km (0.06 R)
• M19: 28,076,678 km (0.117 R)
• M20: 29,275,107 km (0.039 R)
• M21: 30,820,602 km (0.082 R)
• M22: 32,855,582 km (0.071 R)
• M23: 34,186,105 km (0.103 R)
• M24: 35,092,968 km (0.051 R)
• M25: 35,899,450 km (0.12 R)
• M26: 36,365,896 km (0.093 R)
• M27: 38,636,941 km (0.091 R)
• M28: 39,249,844 km (0.086 R)
• M29: 42,542,792 km (0.119 R)
• M30: 44,123,144 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335.1

Radius: 6.1

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.22 AU - 9.46 AU

Year: 14401 Days

Day: 18 Hours

Environment

Temp: -228 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,317,906 km

• M1: 75,846 km (0.117 R)
• M2: 395,387 km (0.03 R)
• M3: 660,923 km (0.081 R)
• M4: 921,074 km (0.057 R)
• M5: 1,142,778 km (0.091 R)
• M6: 2,777,584 km (0.055 R)
• M7: 3,512,857 km (0.066 R)
• M8: 4,313,355 km (0.107 R)
• M9: 4,546,130 km (0.096 R)
• M10: 5,979,277 km (0.089 R)
• M11: 6,342,800 km (0.1 R)
• M12: 7,194,610 km (0.096 R)
• M13: 7,398,363 km (0.118 R)
• M14: 8,611,601 km (0.089 R)
• M15: 10,830,587 km (0.084 R)
• M16: 14,865,092 km (0.093 R)
• M17: 17,875,300 km (0.1 R)
• M18: 19,014,338 km (0.057 R)
• M19: 20,444,045 km (0.106 R)
• M20: 23,337,567 km (0.069 R)
• M21: 23,605,347 km (0.112 R)
• M22: 25,631,501 km (0.065 R)
• M23: 26,012,078 km (0.098 R)
• M24: 33,634,388 km (0.064 R)
• M25: 39,508,947 km (0.102 R)
• M26: 42,487,890 km (0.084 R)
• M27: 42,753,725 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830.9

Radius: 6.5

Gravity: 19.67 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 8.6 AU - 11.2 AU

Year: 20434 Days

Day: 17.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 82,317,906 km

• M1: 84,074 km (0.106 R)
• M2: 306,526 km (0.059 R)
• M3: 584,778 km (0.077 R)
• M4: 932,892 km (0.081 R)
• M5: 1,381,237 km (0.117 R)
• M6: 1,754,035 km (0.065 R)
• M7: 2,414,061 km (0.102 R)
• M8: 5,187,755 km (0.107 R)
• M9: 5,873,960 km (0.115 R)
• M10: 8,137,825 km (0.043 R)
• M11: 9,118,888 km (0.089 R)
• M12: 9,520,857 km (0.05 R)
• M13: 10,546,650 km (0.056 R)
• M14: 10,925,581 km (0.096 R)
• M15: 11,248,413 km (0.066 R)
• M16: 11,577,379 km (0.119 R)
• M17: 13,102,230 km (0.062 R)
• M18: 13,320,045 km (0.107 R)
• M19: 17,844,034 km (0.119 R)
• M20: 22,250,738 km (0.048 R)
• M21: 22,665,125 km (0.1 R)
• M22: 23,084,747 km (0.09 R)
• M23: 23,616,417 km (0.116 R)
• M24: 24,814,696 km (0.06 R)
• M25: 25,598,140 km (0.028 R)
• M26: 30,393,500 km (0.09 R)
• M27: 32,734,258 km (0.069 R)
• M28: 36,610,189 km (0.101 R)
• M29: 37,918,123 km (0.065 R)
• M30: 42,186,151 km (0.081 R)
• M31: 43,301,253 km (0.099 R)
• M32: 45,092,688 km (0.112 R)
• M33: 51,661,680 km (0.099 R)
• M34: 52,024,156 km (0.084 R)
• M35: 52,937,600 km (0.07 R)
• M36: 57,860,268 km (0.119 R)
• M37: 69,922,942 km (0.053 R)
• M38: 74,904,551 km (0.059 R)
• M39: 81,335,016 km (0.033 R)
• M40: 82,317,874 km (0.112 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 14,728 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit