🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.5

Radius: 12.2

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.16 AU - 1.66 AU

Year: 1156 Days

Day: 11.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,859,248 km

• M1: 151,842 km (0.106 R)
• M2: 553,961 km (0.07 R)
• M3: 966,552 km (0.082 R)
• M4: 1,371,214 km (0.096 R)
• M5: 2,406,132 km (0.104 R)
• M6: 3,454,813 km (0.039 R)
• M7: 4,144,160 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.1

Radius: 9.9

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.66 AU - 2.1 AU

Year: 1779 Days

Day: 5.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,859,248 km

• M1: 123,119 km (0.115 R)
• M2: 1,062,294 km (0.103 R)
• M3: 1,893,460 km (0.105 R)
• M4: 2,435,902 km (0.086 R)
• M5: 2,867,642 km (0.112 R)
• M6: 6,285,654 km (0.077 R)
• M7: 6,698,693 km (0.089 R)
• M8: 7,958,308 km (0.085 R)
• M9: 8,913,490 km (0.102 R)
• M10: 11,013,844 km (0.092 R)
• M11: 11,387,240 km (0.117 R)
• M12: 11,963,192 km (0.091 R)
• M13: 13,509,286 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729

Radius: 10.4

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.7 AU - 2.3 AU

Year: 1952 Days

Day: 8.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,859,248 km

• M1: 129,402 km (0.113 R)
• M2: 553,063 km (0.088 R)
• M3: 970,441 km (0.104 R)
• M4: 1,348,625 km (0.107 R)
• M5: 1,815,071 km (0.074 R)
• M6: 2,892,624 km (0.083 R)
• M7: 3,417,563 km (0.087 R)
• M8: 4,534,461 km (0.067 R)
• M9: 4,870,009 km (0.1 R)
• M10: 5,381,484 km (0.12 R)
• M11: 5,830,727 km (0.077 R)
• M12: 6,617,462 km (0.117 R)
• M13: 7,105,899 km (0.094 R)
• M14: 7,706,086 km (0.078 R)
• M15: 10,889,528 km (0.069 R)
• M16: 12,978,214 km (0.086 R)
• M17: 13,357,743 km (0.083 R)
• M18: 14,183,374 km (0.117 R)
• M19: 15,650,331 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.4

Radius: 12.2

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.32 AU - 2.42 AU

Year: 2518 Days

Day: 8.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 172.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,859,248 km

• M1: 151,692 km (0.082 R)
• M2: 1,064,688 km (0.092 R)
• M3: 1,827,787 km (0.081 R)
• M4: 2,315,625 km (0.095 R)
• M5: 2,813,338 km (0.11 R)
• M6: 3,353,087 km (0.112 R)
• M7: 5,087,375 km (0.076 R)
• M8: 5,956,538 km (0.074 R)
• M9: 6,415,654 km (0.115 R)
• M10: 8,146,502 km (0.058 R)
• M11: 10,386,281 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.7

Radius: 8.2

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.31 AU - 3.07 AU

Year: 3045 Days

Day: 10.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,859,248 km

• M1: 102,175 km (0.04 R)
• M2: 518,805 km (0.114 R)
• M3: 793,916 km (0.06 R)
• M4: 1,528,591 km (0.056 R)
• M5: 2,218,536 km (0.096 R)
• M6: 2,541,518 km (0.093 R)
• M7: 3,133,926 km (0.099 R)
• M8: 3,966,438 km (0.115 R)
• M9: 5,187,755 km (0.063 R)
• M10: 7,642,207 km (0.068 R)
• M11: 8,383,315 km (0.111 R)
• M12: 10,970,909 km (0.076 R)
• M13: 13,958,229 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.3

Radius: 12.8

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.24 AU - 5.88 AU

Year: 7857 Days

Day: 11.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,859,248 km

• M1: 159,172 km (0.101 R)
• M2: 813,663 km (0.077 R)
• M3: 1,763,310 km (0.099 R)
• M4: 2,230,355 km (0.111 R)
• M5: 2,798,677 km (0.087 R)
• M6: 3,571,799 km (0.081 R)
• M7: 4,081,778 km (0.051 R)
• M8: 4,640,077 km (0.09 R)
• M9: 5,162,922 km (0.111 R)
• M10: 5,786,595 km (0.066 R)
• M11: 7,623,059 km (0.111 R)
• M12: 8,196,019 km (0.11 R)
• M13: 9,909,961 km (0.11 R)
• M14: 12,104,861 km (0.12 R)
• M15: 13,811,474 km (0.055 R)
• M16: 16,982,799 km (0.03 R)
• M17: 17,435,183 km (0.106 R)
• M18: 18,028,638 km (0.103 R)
• M19: 24,644,005 km (0.108 R)
• M20: 25,644,366 km (0.035 R)
• M21: 28,899,765 km (0.118 R)
• M22: 31,442,630 km (0.116 R)
• M23: 32,322,415 km (0.075 R)
• M24: 33,419,865 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646.4

Radius: 7.6

Gravity: 11.19 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 5.89 AU - 6.15 AU

Year: 10195 Days

Day: 16.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,859,248 km

• M1: 94,546 km (0.108 R)
• M2: 989,141 km (0.092 R)
• M3: 1,339,799 km (0.08 R)
• M4: 1,580,202 km (0.083 R)
• M5: 2,957,550 km (0.076 R)
• M6: 3,666,494 km (0.109 R)
• M7: 5,285,592 km (0.045 R)
• M8: 5,618,298 km (0.104 R)
• M9: 7,051,296 km (0.07 R)
• M10: 8,943,410 km (0.087 R)
• M11: 9,513,078 km (0.072 R)
• M12: 11,367,793 km (0.049 R)
• M13: 14,009,541 km (0.076 R)
• M14: 14,973,999 km (0.101 R)
• M15: 18,813,877 km (0.107 R)
• M16: 21,794,016 km (0.092 R)
• M17: 23,976,948 km (0.095 R)
• M18: 27,272,141 km (0.107 R)
• M19: 28,367,197 km (0.065 R)
• M20: 28,976,659 km (0.091 R)
• M21: 34,860,343 km (0.113 R)
• M22: 37,106,405 km (0.062 R)
• M23: 39,196,288 km (0.059 R)
• M24: 41,493,363 km (0.04 R)
• M25: 45,657,121 km (0.12 R)
• M26: 46,213,924 km (0.025 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 248.1

Radius: 6.6

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.16 AU - 9.88 AU

Year: 18699 Days

Day: 21.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 51,859,248 km

• M1: 83,027 km (0.117 R)
• M2: 302,188 km (0.038 R)
• M3: 871,856 km (0.032 R)
• M4: 1,565,691 km (0.052 R)
• M5: 2,283,013 km (0.091 R)
• M6: 2,726,122 km (0.073 R)
• M7: 3,676,816 km (0.056 R)
• M8: 4,084,919 km (0.091 R)
• M9: 6,869,833 km (0.114 R)
• M10: 8,235,064 km (0.109 R)
• M11: 10,342,000 km (0.092 R)
• M12: 12,362,469 km (0.097 R)
• M13: 12,905,958 km (0.069 R)
• M14: 14,301,407 km (0.097 R)
• M15: 14,967,865 km (0.061 R)
• M16: 15,935,315 km (0.082 R)
• M17: 16,870,451 km (0.096 R)
• M18: 17,165,458 km (0.072 R)
• M19: 17,689,799 km (0.086 R)
• M20: 18,613,715 km (0.11 R)
• M21: 20,141,558 km (0.101 R)
• M22: 22,276,918 km (0.116 R)
• M23: 22,990,949 km (0.086 R)
• M24: 23,444,829 km (0.118 R)
• M25: 23,904,693 km (0.032 R)
• M26: 24,276,892 km (0.069 R)
• M27: 24,747,677 km (0.114 R)
• M28: 29,580,735 km (0.117 R)
• M29: 30,334,259 km (0.12 R)
• M30: 37,201,998 km (0.12 R)
• M31: 37,701,955 km (0.104 R)
• M32: 38,460,266 km (0.115 R)
• M33: 40,796,087 km (0.114 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: 363 - 12,843 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit