🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.9

Radius: 8.6

Gravity: 8.53 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.54 AU - 0.62 AU

Year: 305 Days

Day: 9.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,573,717 km

• M1: 107,411 km (0.091 R)
• M2: 443,408 km (0.114 R)
• M3: 746,493 km (0.034 R)
• M4: 1,213,089 km (0.102 R)
• M5: 1,631,514 km (0.119 R)
• M6: 1,952,103 km (0.117 R)
• M7: 3,198,253 km (0.073 R)
• M8: 3,534,100 km (0.105 R)
• M9: 4,213,873 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.7

Radius: 9.9

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.9 AU - 0.92 AU

Year: 599 Days

Day: 6.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,573,717 km

• M1: 123,269 km (0.105 R)
• M2: 448,046 km (0.109 R)
• M3: 857,046 km (0.115 R)
• M4: 1,310,627 km (0.107 R)
• M5: 1,920,837 km (0.052 R)
• M6: 2,710,713 km (0.097 R)
• M7: 3,366,102 km (0.092 R)
• M8: 3,689,682 km (0.111 R)
• M9: 4,153,734 km (0.103 R)
• M10: 4,656,383 km (0.108 R)
• M11: 5,094,256 km (0.026 R)
• M12: 5,783,603 km (0.076 R)
• M13: 6,091,924 km (0.12 R)
• M14: 6,741,778 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.3

Radius: 11.4

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.99 AU - 1.35 AU

Year: 874 Days

Day: 11.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,573,717 km

• M1: 141,819 km (0.053 R)
• M2: 560,244 km (0.096 R)
• M3: 998,566 km (0.072 R)
• M4: 1,391,111 km (0.102 R)
• M5: 1,916,947 km (0.065 R)
• M6: 2,353,623 km (0.098 R)
• M7: 2,743,176 km (0.12 R)
• M8: 3,175,963 km (0.095 R)
• M9: 3,608,749 km (0.104 R)
• M10: 4,264,287 km (0.094 R)
• M11: 4,701,861 km (0.079 R)
• M12: 5,286,190 km (0.034 R)
• M13: 5,960,877 km (0.109 R)
• M14: 7,632,184 km (0.087 R)
• M15: 8,016,501 km (0.113 R)
• M16: 9,048,278 km (0.043 R)
• M17: 10,135,854 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.6

Radius: 11

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.05 AU - 1.63 AU

Year: 1071 Days

Day: 12.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,573,717 km

• M1: 136,732 km (0.11 R)
• M2: 501,003 km (0.1 R)
• M3: 876,644 km (0.105 R)
• M4: 1,262,008 km (0.119 R)
• M5: 1,731,147 km (0.083 R)
• M6: 2,212,553 km (0.062 R)
• M7: 2,665,086 km (0.118 R)
• M8: 3,360,417 km (0.076 R)
• M9: 3,989,626 km (0.045 R)
• M10: 4,852,805 km (0.066 R)
• M11: 5,587,480 km (0.061 R)
• M12: 6,111,073 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.5

Radius: 8.9

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.03 AU - 2.35 AU

Year: 2237 Days

Day: 8.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,573,717 km

• M1: 116,387 km (0.116 R)
• M2: 418,575 km (0.068 R)
• M3: 813,214 km (0.095 R)
• M4: 1,133,802 km (0.03 R)
• M5: 1,794,426 km (0.116 R)
• M6: 2,323,405 km (0.055 R)
• M7: 3,747,726 km (0.116 R)
• M8: 5,856,457 km (0.114 R)
• M9: 6,542,064 km (0.049 R)
• M10: 9,614,206 km (0.085 R)
• M11: 10,083,345 km (0.107 R)
• M12: 15,501,930 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.2

Radius: 12.6

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.49 AU - 2.75 AU

Year: 2927 Days

Day: 6.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,573,717 km

• M1: 156,779 km (0.105 R)
• M2: 858,991 km (0.096 R)
• M3: 1,486,404 km (0.087 R)
• M4: 2,076,418 km (0.085 R)
• M5: 3,491,913 km (0.048 R)
• M6: 3,945,345 km (0.058 R)
• M7: 4,655,336 km (0.109 R)
• M8: 7,365,601 km (0.1 R)
• M9: 8,213,521 km (0.051 R)
• M10: 9,588,027 km (0.096 R)
• M11: 11,515,146 km (0.076 R)
• M12: 15,364,300 km (0.106 R)
• M13: 15,867,248 km (0.096 R)
• M14: 16,589,805 km (0.09 R)
• M15: 17,012,569 km (0.063 R)
• M16: 18,492,541 km (0.075 R)
• M17: 19,584,306 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.6

Radius: 12.8

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.84 AU - 3.26 AU

Year: 3677 Days

Day: 14.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,573,717 km

• M1: 159,172 km (0.074 R)
• M2: 570,267 km (0.108 R)
• M3: 973,134 km (0.096 R)
• M4: 1,523,954 km (0.057 R)
• M5: 2,036,177 km (0.062 R)
• M6: 2,504,568 km (0.091 R)
• M7: 3,044,915 km (0.097 R)
• M8: 4,083,274 km (0.099 R)
• M9: 6,444,227 km (0.118 R)
• M10: 8,206,191 km (0.112 R)
• M11: 8,838,841 km (0.115 R)
• M12: 9,634,252 km (0.032 R)
• M13: 10,201,827 km (0.063 R)
• M14: 11,775,447 km (0.081 R)
• M15: 12,231,421 km (0.102 R)
• M16: 13,837,354 km (0.109 R)
• M17: 14,259,968 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.4

Radius: 11.2

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.66 AU - 4.8 AU

Year: 6005 Days

Day: 7.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,573,717 km

• M1: 139,276 km (0.056 R)
• M2: 588,817 km (0.091 R)
• M3: 1,136,794 km (0.094 R)
• M4: 1,579,754 km (0.054 R)
• M5: 1,983,069 km (0.058 R)
• M6: 2,966,227 km (0.111 R)
• M7: 3,650,637 km (0.032 R)
• M8: 4,732,080 km (0.114 R)
• M9: 5,092,461 km (0.093 R)
• M10: 5,526,893 km (0.057 R)
• M11: 6,627,036 km (0.051 R)
• M12: 7,279,732 km (0.099 R)
• M13: 8,082,773 km (0.065 R)
• M14: 9,578,153 km (0.088 R)
• M15: 10,115,509 km (0.085 R)
• M16: 11,523,973 km (0.119 R)
• M17: 13,772,130 km (0.065 R)
• M18: 14,835,322 km (0.096 R)
• M19: 15,555,336 km (0.114 R)
• M20: 20,373,285 km (0.108 R)
• M21: 24,849,702 km (0.108 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592

Radius: 13.5

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.33 AU - 5.41 AU

Year: 6306 Days

Day: 6.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,573,717 km

• M1: 169,046 km (0.088 R)
• M2: 1,457,831 km (0.12 R)
• M3: 2,289,895 km (0.12 R)
• M4: 3,356,228 km (0.089 R)
• M5: 3,932,030 km (0.101 R)
• M6: 4,521,446 km (0.051 R)
• M7: 5,457,330 km (0.118 R)
• M8: 7,492,310 km (0.099 R)
• M9: 8,640,773 km (0.116 R)
• M10: 9,947,660 km (0.085 R)
• M11: 10,579,412 km (0.083 R)
• M12: 11,724,584 km (0.112 R)
• M13: 13,056,753 km (0.034 R)
• M14: 16,265,776 km (0.115 R)
• M15: 19,616,170 km (0.094 R)
• M16: 28,180,798 km (0.093 R)
• M17: 32,679,804 km (0.1 R)
• M18: 33,274,007 km (0.059 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 14,946 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit