🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.9

Radius: 14.6

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.8 AU - 1.22 AU

Year: 688 Days

Day: 8.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,012,261 km

• M1: 181,761 km (0.058 R)
• M2: 799,152 km (0.079 R)
• M3: 1,473,838 km (0.103 R)
• M4: 2,210,608 km (0.098 R)
• M5: 3,021,727 km (0.083 R)
• M6: 4,010,420 km (0.12 R)
• M7: 5,760,116 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.1

Radius: 9.6

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.55 AU - 2.27 AU

Year: 1790 Days

Day: 13.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,012,261 km

• M1: 119,828 km (0.116 R)
• M2: 549,174 km (0.086 R)
• M3: 890,706 km (0.078 R)
• M4: 1,329,775 km (0.104 R)
• M5: 1,879,996 km (0.087 R)
• M6: 2,346,143 km (0.098 R)
• M7: 2,794,488 km (0.103 R)
• M8: 3,765,378 km (0.082 R)
• M9: 4,364,368 km (0.05 R)
• M10: 5,453,291 km (0.102 R)
• M11: 6,714,252 km (0.11 R)
• M12: 7,941,553 km (0.114 R)
• M13: 8,985,147 km (0.118 R)
• M14: 10,181,332 km (0.111 R)
• M15: 10,801,265 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.3

Radius: 9.1

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.03 AU - 2.61 AU

Year: 2397 Days

Day: 12 Hours

Environment

Temp: -206 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,012,261 km

• M1: 113,545 km (0.064 R)
• M2: 620,831 km (0.088 R)
• M3: 1,000,810 km (0.107 R)
• M4: 1,606,831 km (0.114 R)
• M5: 2,067,143 km (0.087 R)
• M6: 2,384,141 km (0.108 R)
• M7: 3,218,897 km (0.108 R)
• M8: 3,722,593 km (0.114 R)
• M9: 4,554,208 km (0.047 R)
• M10: 4,933,439 km (0.119 R)
• M11: 6,609,683 km (0.074 R)
• M12: 6,893,320 km (0.088 R)
• M13: 8,469,035 km (0.076 R)
• M14: 9,393,998 km (0.044 R)
• M15: 10,159,042 km (0.107 R)
• M16: 10,461,080 km (0.118 R)
• M17: 10,847,192 km (0.108 R)
• M18: 11,202,786 km (0.112 R)
• M19: 11,854,135 km (0.099 R)
• M20: 14,858,958 km (0.059 R)
• M21: 15,199,592 km (0.077 R)
• M22: 16,048,560 km (0.101 R)
• M23: 16,823,777 km (0.09 R)
• M24: 17,841,042 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.9

Radius: 11.2

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.08 AU - 4.16 AU

Year: 5672 Days

Day: 10.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,012,261 km

• M1: 139,276 km (0.108 R)
• M2: 502,200 km (0.102 R)
• M3: 869,463 km (0.092 R)
• M4: 1,272,180 km (0.09 R)
• M5: 1,856,061 km (0.102 R)
• M6: 2,372,772 km (0.112 R)
• M7: 3,223,385 km (0.087 R)
• M8: 4,119,028 km (0.076 R)
• M9: 4,866,568 km (0.084 R)
• M10: 5,287,537 km (0.099 R)
• M11: 5,672,153 km (0.119 R)
• M12: 6,767,209 km (0.119 R)
• M13: 7,221,239 km (0.073 R)
• M14: 8,113,291 km (0.065 R)
• M15: 9,160,925 km (0.102 R)
• M16: 10,710,609 km (0.042 R)
• M17: 11,425,837 km (0.112 R)
• M18: 11,820,027 km (0.09 R)
• M19: 12,325,668 km (0.105 R)
• M20: 13,111,057 km (0.094 R)
• M21: 13,873,856 km (0.047 R)
• M22: 14,436,643 km (0.072 R)
• M23: 15,428,477 km (0.113 R)
• M24: 16,093,889 km (0.073 R)
• M25: 18,272,632 km (0.065 R)
• M26: 19,363,051 km (0.115 R)
• M27: 20,786,475 km (0.116 R)
• M28: 28,242,582 km (0.1 R)
• M29: 30,823,744 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.4

Radius: 8

Gravity: 14.12 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.13 AU - 4.39 AU

Year: 5964 Days

Day: 8.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,012,261 km

• M1: 99,483 km (0.073 R)
• M2: 374,892 km (0.073 R)
• M3: 814,411 km (0.108 R)
• M4: 1,271,432 km (0.111 R)
• M5: 1,789,490 km (0.104 R)
• M6: 2,219,135 km (0.093 R)
• M7: 4,631,700 km (0.09 R)
• M8: 5,055,510 km (0.044 R)
• M9: 6,869,983 km (0.077 R)
• M10: 8,571,659 km (0.04 R)
• M11: 9,342,686 km (0.106 R)
• M12: 16,275,800 km (0.12 R)
• M13: 16,533,257 km (0.076 R)
• M14: 17,321,937 km (0.092 R)
• M15: 18,273,530 km (0.116 R)
• M16: 23,972,311 km (0.086 R)
• M17: 24,811,854 km (0.078 R)
• M18: 25,324,975 km (0.089 R)
• M19: 26,460,722 km (0.085 R)
• M20: 27,630,278 km (0.111 R)
• M21: 29,210,929 km (0.059 R)
• M22: 29,975,374 km (0.09 R)
• M23: 30,655,147 km (0.083 R)
• M24: 31,345,092 km (0.081 R)
• M25: 31,844,151 km (0.059 R)
• M26: 33,998,510 km (0.074 R)
• M27: 35,057,812 km (0.062 R)
• M28: 36,908,787 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.6

Radius: 10.4

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.43 AU - 5.19 AU

Year: 7155 Days

Day: 8.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,012,261 km

• M1: 129,402 km (0.052 R)
• M2: 689,796 km (0.107 R)
• M3: 1,107,323 km (0.114 R)
• M4: 1,693,298 km (0.107 R)
• M5: 3,128,091 km (0.118 R)
• M6: 3,484,134 km (0.08 R)
• M7: 4,354,495 km (0.06 R)
• M8: 5,048,479 km (0.097 R)
• M9: 5,540,956 km (0.067 R)
• M10: 6,724,275 km (0.047 R)
• M11: 8,184,948 km (0.077 R)
• M12: 11,136,963 km (0.056 R)
• M13: 14,162,131 km (0.076 R)
• M14: 15,440,595 km (0.061 R)
• M15: 16,169,585 km (0.087 R)
• M16: 18,902,738 km (0.088 R)
• M17: 22,928,866 km (0.078 R)
• M18: 26,363,782 km (0.104 R)
• M19: 30,692,995 km (0.114 R)
• M20: 32,727,825 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.3

Radius: 12.4

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.09 AU - 6.67 AU

Year: 8464 Days

Day: 9.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,012,261 km

• M1: 154,235 km (0.113 R)
• M2: 597,045 km (0.062 R)
• M3: 1,028,336 km (0.076 R)
• M4: 3,678,013 km (0.043 R)
• M5: 4,395,485 km (0.073 R)
• M6: 5,594,362 km (0.075 R)
• M7: 7,000,283 km (0.105 R)
• M8: 12,152,733 km (0.082 R)
• M9: 13,650,806 km (0.069 R)
• M10: 14,397,000 km (0.095 R)
• M11: 16,485,536 km (0.117 R)
• M12: 18,430,458 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.6

Radius: 7.9

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.18 AU - 7.96 AU

Year: 11422 Days

Day: 24.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,012,261 km

• M1: 98,286 km (0.09 R)
• M2: 666,608 km (0.064 R)
• M3: 1,002,306 km (0.107 R)
• M4: 1,323,642 km (0.071 R)
• M5: 1,808,189 km (0.095 R)
• M6: 2,084,646 km (0.107 R)
• M7: 2,372,473 km (0.055 R)
• M8: 3,465,135 km (0.06 R)
• M9: 5,027,386 km (0.102 R)
• M10: 5,283,647 km (0.071 R)
• M11: 6,631,823 km (0.093 R)
• M12: 11,146,537 km (0.12 R)
• M13: 12,911,942 km (0.103 R)
• M14: 14,972,503 km (0.106 R)
• M15: 16,358,677 km (0.078 R)
• M16: 18,159,087 km (0.056 R)
• M17: 23,230,605 km (0.099 R)
• M18: 25,166,251 km (0.112 R)
• M19: 27,733,949 km (0.055 R)
• M20: 29,910,000 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 35.9

Radius: 4.6

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 7.49 AU - 9.05 AU

Year: 16131 Days

Day: 18.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,012,261 km

• M1: 132,245 km (0.046 R)
• M2: 2,360,505 km (0.092 R)
• M3: 2,762,474 km (0.066 R)
• M4: 3,742,490 km (0.071 R)
• M5: 14,961,283 km (0.064 R)
• M6: 19,665,089 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 337.9

Radius: 4.8

Gravity: 14.67 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 7.06 AU - 11.36 AU

Year: 18957 Days

Day: 20.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,012,261 km

• M1: 59,690 km (0.114 R)
• M2: 215,271 km (0.115 R)
• M3: 375,640 km (0.113 R)
• M4: 755,619 km (0.043 R)
• M5: 1,138,141 km (0.12 R)
• M6: 1,502,561 km (0.098 R)
• M7: 3,444,790 km (0.078 R)
• M8: 5,518,665 km (0.111 R)
• M9: 8,736,366 km (0.085 R)
• M10: 10,074,369 km (0.06 R)
• M11: 12,390,593 km (0.107 R)
• M12: 12,703,103 km (0.066 R)
• M13: 15,901,506 km (0.114 R)
• M14: 17,102,328 km (0.092 R)
• M15: 25,000,647 km (0.116 R)
• M16: 29,398,824 km (0.091 R)
• M17: 32,838,229 km (0.047 R)
• M18: 37,307,914 km (0.118 R)
• M19: 46,374,143 km (0.045 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 18,360 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit