🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.7

Radius: 12.6

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.52 AU - 0.58 AU

Year: 282 Days

Day: 9.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,378,765 km

• M1: 156,629 km (0.037 R)
• M2: 591,360 km (0.103 R)
• M3: 1,063,042 km (0.117 R)
• M4: 1,697,337 km (0.059 R)
• M5: 2,385,188 km (0.117 R)
• M6: 2,815,582 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.5

Radius: 12.5

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.58 AU - 0.66 AU

Year: 337 Days

Day: 11.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,378,765 km

• M1: 155,582 km (0.039 R)
• M2: 547,827 km (0.065 R)
• M3: 977,024 km (0.108 R)
• M4: 1,408,464 km (0.081 R)
• M5: 1,840,353 km (0.032 R)
• M6: 2,239,331 km (0.104 R)
• M7: 2,948,724 km (0.092 R)
• M8: 3,778,543 km (0.106 R)
• M9: 4,242,296 km (0.113 R)
• M10: 5,191,944 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.6

Radius: 12.7

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.85 AU - 0.93 AU

Year: 580 Days

Day: 13 Hours

Environment

Temp: -172 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,378,765 km

• M1: 157,975 km (0.037 R)
• M2: 1,140,385 km (0.1 R)
• M3: 1,721,273 km (0.081 R)
• M4: 2,672,117 km (0.115 R)
• M5: 3,224,283 km (0.112 R)
• M6: 3,747,726 km (0.038 R)
• M7: 4,507,533 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.6

Radius: 9.4

Gravity: 9.07 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.25 AU - 1.29 AU

Year: 988 Days

Day: 13.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,378,765 km

• M1: 118,930 km (0.102 R)
• M2: 598,691 km (0.091 R)
• M3: 919,279 km (0.116 R)
• M4: 1,305,092 km (0.104 R)
• M5: 1,653,206 km (0.063 R)
• M6: 2,850,887 km (0.062 R)
• M7: 3,858,279 km (0.108 R)
• M8: 4,859,836 km (0.108 R)
• M9: 5,583,741 km (0.099 R)
• M10: 6,025,653 km (0.097 R)
• M11: 6,837,520 km (0.095 R)
• M12: 7,771,759 km (0.098 R)
• M13: 9,213,882 km (0.118 R)
• M14: 10,044,001 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.4

Radius: 9

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.29 AU - 1.31 AU

Year: 1023 Days

Day: 5.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,378,765 km

• M1: 111,899 km (0.103 R)
• M2: 396,135 km (0.111 R)
• M3: 720,763 km (0.079 R)
• M4: 1,048,083 km (0.117 R)
• M5: 1,565,093 km (0.118 R)
• M6: 1,953,599 km (0.093 R)
• M7: 2,553,486 km (0.107 R)
• M8: 3,698,508 km (0.056 R)
• M9: 4,346,417 km (0.11 R)
• M10: 4,681,366 km (0.045 R)
• M11: 6,237,633 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.1

Radius: 14

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.58 AU - 2.6 AU

Year: 2877 Days

Day: 7.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,378,765 km

• M1: 174,282 km (0.102 R)
• M2: 639,232 km (0.099 R)
• M3: 1,214,136 km (0.103 R)
• M4: 1,743,713 km (0.108 R)
• M5: 2,479,734 km (0.099 R)
• M6: 3,432,374 km (0.053 R)
• M7: 4,003,089 km (0.072 R)
• M8: 4,636,786 km (0.104 R)
• M9: 8,311,957 km (0.062 R)
• M10: 9,120,982 km (0.094 R)
• M11: 11,152,072 km (0.066 R)
• M12: 12,059,084 km (0.081 R)
• M13: 13,344,429 km (0.074 R)
• M14: 14,063,397 km (0.098 R)
• M15: 15,167,579 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.5

Radius: 8.2

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.67 AU - 2.93 AU

Year: 3234 Days

Day: 11.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,378,765 km

• M1: 102,175 km (0.107 R)
• M2: 446,998 km (0.109 R)
• M3: 799,301 km (0.08 R)
• M4: 1,061,247 km (0.076 R)
• M5: 1,870,422 km (0.089 R)
• M6: 2,181,735 km (0.12 R)
• M7: 2,542,266 km (0.034 R)
• M8: 2,942,291 km (0.109 R)
• M9: 3,658,117 km (0.028 R)
• M10: 4,660,123 km (0.069 R)
• M11: 5,555,317 km (0.041 R)
• M12: 5,860,497 km (0.112 R)
• M13: 6,532,640 km (0.109 R)
• M14: 6,930,869 km (0.09 R)
• M15: 7,345,255 km (0.089 R)
• M16: 8,755,963 km (0.092 R)
• M17: 11,038,378 km (0.076 R)
• M18: 11,935,816 km (0.106 R)
• M19: 13,281,598 km (0.095 R)
• M20: 14,629,625 km (0.097 R)
• M21: 14,968,165 km (0.088 R)
• M22: 16,687,642 km (0.081 R)
• M23: 18,033,275 km (0.108 R)
• M24: 18,366,729 km (0.097 R)
• M25: 18,874,614 km (0.11 R)
• M26: 19,275,985 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.8

Radius: 8.5

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.08 AU - 5.02 AU

Year: 5626 Days

Day: 11.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,378,765 km

• M1: 106,065 km (0.103 R)
• M2: 987,645 km (0.043 R)
• M3: 1,448,706 km (0.1 R)
• M4: 2,733,153 km (0.093 R)
• M5: 6,182,282 km (0.038 R)
• M6: 6,707,370 km (0.111 R)
• M7: 7,261,780 km (0.073 R)
• M8: 9,109,314 km (0.063 R)
• M9: 10,247,005 km (0.117 R)
• M10: 14,814,228 km (0.12 R)
• M11: 15,086,646 km (0.05 R)
• M12: 16,557,343 km (0.089 R)
• M13: 16,850,704 km (0.038 R)
• M14: 18,059,305 km (0.047 R)
• M15: 18,684,774 km (0.117 R)
• M16: 20,045,367 km (0.061 R)
• M17: 20,445,840 km (0.078 R)
• M18: 24,597,929 km (0.109 R)
• M19: 25,134,237 km (0.095 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.1

Radius: 11.5

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.68 AU - 5.06 AU

Year: 7418 Days

Day: 14.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,378,765 km

• M1: 143,016 km (0.111 R)
• M2: 532,120 km (0.114 R)
• M3: 970,142 km (0.103 R)
• M4: 1,779,915 km (0.094 R)
• M5: 2,186,223 km (0.043 R)
• M6: 2,654,764 km (0.041 R)
• M7: 3,649,590 km (0.11 R)
• M8: 4,966,350 km (0.102 R)
• M9: 6,119,600 km (0.069 R)
• M10: 6,686,127 km (0.051 R)
• M11: 7,287,511 km (0.064 R)
• M12: 7,842,968 km (0.03 R)
• M13: 9,264,447 km (0.063 R)
• M14: 10,901,795 km (0.116 R)
• M15: 11,576,182 km (0.037 R)
• M16: 15,055,231 km (0.093 R)
• M17: 15,696,108 km (0.083 R)
• M18: 16,691,382 km (0.111 R)
• M19: 17,657,785 km (0.078 R)
• M20: 20,159,809 km (0.119 R)
• M21: 20,546,819 km (0.079 R)
• M22: 23,141,594 km (0.112 R)
• M23: 29,268,375 km (0.094 R)
• M24: 29,764,890 km (0.101 R)
• M25: 30,570,923 km (0.117 R)
• M26: 31,494,989 km (0.088 R)
• M27: 32,543,371 km (0.095 R)
• M28: 40,667,134 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565.6

Radius: 7.7

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.71 AU - 6.87 AU

Year: 12213 Days

Day: 20.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 51,378,765 km

• M1: 95,743 km (0.111 R)
• M2: 470,186 km (0.057 R)
• M3: 906,713 km (0.109 R)
• M4: 1,425,817 km (0.114 R)
• M5: 2,468,514 km (0.12 R)
• M6: 3,604,411 km (0.1 R)
• M7: 4,346,117 km (0.099 R)
• M8: 4,706,947 km (0.087 R)
• M9: 6,353,571 km (0.118 R)
• M10: 7,432,022 km (0.107 R)
• M11: 8,627,908 km (0.116 R)
• M12: 9,394,447 km (0.114 R)
• M13: 9,643,079 km (0.107 R)
• M14: 10,049,985 km (0.108 R)
• M15: 10,310,136 km (0.116 R)
• M16: 11,793,399 km (0.109 R)
• M17: 12,616,037 km (0.099 R)
• M18: 14,506,805 km (0.064 R)
• M19: 18,142,033 km (0.111 R)
• M20: 22,166,365 km (0.093 R)
• M21: 25,766,288 km (0.034 R)
• M22: 26,352,712 km (0.091 R)
• M23: 26,649,215 km (0.066 R)
• M24: 27,047,893 km (0.026 R)
• M25: 27,755,342 km (0.088 R)
• M26: 32,036,683 km (0.085 R)
• M27: 36,861,364 km (0.1 R)
• M28: 38,360,185 km (0.114 R)
• M29: 39,639,845 km (0.09 R)
• M30: 43,787,446 km (0.077 R)
• M31: 45,894,383 km (0.053 R)
• M32: 47,481,766 km (0.103 R)
• M33: 50,157,772 km (0.096 R)
• M34: 51,378,790 km (0.073 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: 514 - 17,507 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit