🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227

Radius: 8.7

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.76 AU - 1.14 AU

Year: 617 Days

Day: 10.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,300,452 km

• M1: 108,159 km (0.068 R)
• M2: 384,467 km (0.109 R)
• M3: 665,860 km (0.077 R)
• M4: 970,890 km (0.105 R)
• M5: 1,540,559 km (0.115 R)
• M6: 1,826,141 km (0.063 R)
• M7: 2,291,690 km (0.12 R)
• M8: 2,864,949 km (0.061 R)
• M9: 3,158,609 km (0.109 R)
• M10: 3,507,172 km (0.073 R)
• M11: 4,033,308 km (0.061 R)
• M12: 4,796,407 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.2

Radius: 10.6

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.19 AU - 1.41 AU

Year: 988 Days

Day: 13.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,300,452 km

• M1: 131,796 km (0.045 R)
• M2: 698,921 km (0.066 R)
• M3: 1,531,433 km (0.039 R)
• M4: 1,955,843 km (0.079 R)
• M5: 3,478,898 km (0.102 R)
• M6: 3,953,273 km (0.042 R)
• M7: 4,515,462 km (0.104 R)
• M8: 5,081,092 km (0.083 R)
• M9: 5,818,160 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.3

Radius: 11.4

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.1 AU - 2.72 AU

Year: 2495 Days

Day: 10.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,300,452 km

• M1: 141,819 km (0.083 R)
• M2: 551,119 km (0.098 R)
• M3: 954,584 km (0.067 R)
• M4: 2,084,497 km (0.084 R)
• M5: 2,692,762 km (0.095 R)
• M6: 3,348,599 km (0.033 R)
• M7: 3,769,418 km (0.09 R)
• M8: 4,147,003 km (0.112 R)
• M9: 4,956,925 km (0.052 R)
• M10: 6,780,224 km (0.091 R)
• M11: 7,457,603 km (0.081 R)
• M12: 8,086,962 km (0.105 R)
• M13: 8,494,018 km (0.094 R)
• M14: 8,914,836 km (0.087 R)
• M15: 10,081,550 km (0.042 R)
• M16: 12,059,234 km (0.027 R)
• M17: 13,268,134 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.3

Radius: 8.5

Gravity: 12.16 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.94 AU - 3.22 AU

Year: 3605 Days

Day: 6.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,300,452 km

• M1: 105,766 km (0.118 R)
• M2: 425,307 km (0.079 R)
• M3: 707,448 km (0.114 R)
• M4: 1,032,674 km (0.076 R)
• M5: 1,321,099 km (0.065 R)
• M6: 1,799,513 km (0.111 R)
• M7: 2,268,053 km (0.09 R)
• M8: 2,662,693 km (0.074 R)
• M9: 2,956,652 km (0.038 R)
• M10: 4,038,694 km (0.087 R)
• M11: 4,452,481 km (0.117 R)
• M12: 4,768,582 km (0.086 R)
• M13: 5,473,487 km (0.06 R)
• M14: 6,305,999 km (0.092 R)
• M15: 7,220,341 km (0.049 R)
• M16: 7,761,437 km (0.114 R)
• M17: 8,810,567 km (0.044 R)
• M18: 10,282,909 km (0.105 R)
• M19: 11,187,976 km (0.093 R)
• M20: 12,667,798 km (0.081 R)
• M21: 14,326,240 km (0.055 R)
• M22: 15,017,681 km (0.075 R)
• M23: 15,564,462 km (0.072 R)
• M24: 19,319,667 km (0.093 R)
• M25: 20,428,038 km (0.095 R)
• M26: 20,829,110 km (0.103 R)
• M27: 22,557,115 km (0.043 R)
• M28: 23,932,667 km (0.045 R)
• M29: 26,139,086 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.8

Radius: 13.9

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.64 AU - 3.7 AU

Year: 3764 Days

Day: 5 Hours

Environment

Temp: -219 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,300,452 km

• M1: 173,085 km (0.068 R)
• M2: 1,754,783 km (0.091 R)
• M3: 2,241,724 km (0.112 R)
• M4: 3,077,677 km (0.094 R)
• M5: 5,347,376 km (0.088 R)
• M6: 8,598,586 km (0.101 R)
• M7: 9,246,495 km (0.118 R)
• M8: 10,640,149 km (0.112 R)
• M9: 11,134,570 km (0.075 R)
• M10: 11,980,246 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.8

Radius: 11.7

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.25 AU - 4.19 AU

Year: 4785 Days

Day: 8 Hours

Environment

Temp: -212 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,300,452 km

• M1: 145,559 km (0.093 R)
• M2: 596,896 km (0.078 R)
• M3: 1,590,076 km (0.092 R)
• M4: 2,255,487 km (0.097 R)
• M5: 5,929,312 km (0.116 R)
• M6: 6,359,854 km (0.118 R)
• M7: 8,034,154 km (0.094 R)
• M8: 9,113,801 km (0.092 R)
• M9: 9,480,615 km (0.027 R)
• M10: 11,278,632 km (0.116 R)
• M11: 11,893,480 km (0.082 R)
• M12: 13,241,955 km (0.1 R)
• M13: 15,309,098 km (0.077 R)
• M14: 16,964,099 km (0.115 R)
• M15: 18,998,032 km (0.056 R)
• M16: 20,142,456 km (0.11 R)
• M17: 21,475,074 km (0.026 R)
• M18: 23,090,731 km (0.09 R)
• M19: 24,237,697 km (0.119 R)
• M20: 26,728,203 km (0.063 R)
• M21: 28,164,043 km (0.099 R)
• M22: 29,296,200 km (0.039 R)
• M23: 29,828,918 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480

Radius: 11.4

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.11 AU - 4.47 AU

Year: 5925 Days

Day: 5.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 164.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,300,452 km

• M1: 141,819 km (0.094 R)
• M2: 570,716 km (0.083 R)
• M3: 1,337,555 km (0.101 R)
• M4: 1,970,204 km (0.116 R)
• M5: 2,535,086 km (0.09 R)
• M6: 4,248,729 km (0.117 R)
• M7: 9,541,203 km (0.044 R)
• M8: 13,006,936 km (0.115 R)
• M9: 16,805,526 km (0.069 R)
• M10: 17,545,137 km (0.044 R)
• M11: 20,792,159 km (0.079 R)
• M12: 24,031,851 km (0.051 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.5

Radius: 9.9

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.87 AU - 5.11 AU

Year: 6345 Days

Day: 12.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,300,452 km

• M1: 123,269 km (0.062 R)
• M2: 626,217 km (0.076 R)
• M3: 1,132,007 km (0.036 R)
• M4: 1,491,640 km (0.081 R)
• M5: 2,339,711 km (0.097 R)
• M6: 2,947,078 km (0.065 R)
• M7: 3,721,696 km (0.066 R)
• M8: 4,060,385 km (0.093 R)
• M9: 9,068,623 km (0.118 R)
• M10: 10,595,568 km (0.081 R)
• M11: 11,776,045 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.6

Radius: 3.4

Gravity: 64.33 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.04 AU - 7.42 AU

Year: 11643 Days

Day: 24.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 58,300,452 km

• M1: 42,336 km (0.091 R)
• M2: 170,392 km (0.115 R)
• M3: 387,159 km (0.104 R)
• M4: 511,625 km (0.104 R)
• M5: 1,212,790 km (0.104 R)
• M6: 1,665,174 km (0.114 R)
• M7: 1,947,166 km (0.094 R)
• M8: 2,090,331 km (0.104 R)
• M9: 3,007,964 km (0.117 R)
• M10: 3,151,130 km (0.042 R)
• M11: 4,973,531 km (0.105 R)
• M12: 5,379,539 km (0.113 R)
• M13: 5,555,018 km (0.1 R)
• M14: 9,305,137 km (0.025 R)
• M15: 9,712,193 km (0.046 R)
• M16: 12,046,219 km (0.041 R)
• M17: 14,592,524 km (0.103 R)
• M18: 15,421,147 km (0.059 R)
• M19: 15,704,186 km (0.048 R)
• M20: 18,728,008 km (0.117 R)
• M21: 20,545,622 km (0.091 R)
• M22: 21,673,291 km (0.074 R)
• M23: 21,939,276 km (0.043 R)
• M24: 25,009,922 km (0.084 R)
• M25: 25,400,522 km (0.057 R)
• M26: 26,294,219 km (0.115 R)
• M27: 26,698,134 km (0.094 R)
• M28: 27,621,900 km (0.105 R)
• M29: 28,886,601 km (0.1 R)
• M30: 35,178,538 km (0.096 R)
• M31: 39,491,893 km (0.095 R)
• M32: 40,154,612 km (0.116 R)
• M33: 45,290,157 km (0.118 R)
• M34: 46,602,280 km (0.032 R)
• M35: 47,045,239 km (0.034 R)
• M36: 49,302,222 km (0.114 R)
• M37: 50,224,792 km (0.117 R)
• M38: 52,901,397 km (0.084 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.4

Radius: 3.2

Gravity: 21.13 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 10.73 AU - 10.99 AU

Year: 23866 Days

Day: 24.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,300,452 km

• M1: 39,793 km (0.113 R)
• M2: 426,952 km (0.118 R)
• M3: 1,148,762 km (0.04 R)
• M4: 1,388,418 km (0.043 R)
• M5: 1,612,815 km (0.113 R)
• M6: 1,758,673 km (0.115 R)
• M7: 4,449,340 km (0.083 R)
• M8: 10,829,240 km (0.107 R)
• M9: 11,884,055 km (0.107 R)
• M10: 20,367,750 km (0.044 R)
• M11: 26,845,487 km (0.09 R)
• M12: 27,159,194 km (0.109 R)
• M13: 31,695,002 km (0.097 R)
• M14: 42,795,612 km (0.08 R)
• M15: 44,964,333 km (0.051 R)
• M16: 47,053,467 km (0.119 R)
• M17: 48,584,751 km (0.119 R)
• M18: 49,206,480 km (0.042 R)
• M19: 50,465,794 km (0.107 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 555 - 11,071 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit