🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.2

Radius: 12.5

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.51 AU - 0.57 AU

Year: 269 Days

Day: 14.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,036,894 km

• M1: 156,180 km (0.095 R)
• M2: 792,869 km (0.06 R)
• M3: 1,290,132 km (0.12 R)
• M4: 1,780,514 km (0.055 R)
• M5: 2,395,062 km (0.086 R)
• M6: 2,800,622 km (0.095 R)
• M7: 3,402,604 km (0.113 R)
• M8: 4,126,956 km (0.031 R)
• M9: 4,553,011 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.4

Radius: 11.1

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.94 AU - 1.28 AU

Year: 793 Days

Day: 9.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,036,894 km

• M1: 138,079 km (0.096 R)
• M2: 529,576 km (0.076 R)
• M3: 1,335,759 km (0.093 R)
• M4: 1,938,040 km (0.077 R)
• M5: 2,607,192 km (0.063 R)
• M6: 3,015,893 km (0.073 R)
• M7: 3,481,741 km (0.104 R)
• M8: 4,421,664 km (0.105 R)
• M9: 4,951,390 km (0.103 R)
• M10: 5,523,004 km (0.113 R)
• M11: 6,418,796 km (0.119 R)
• M12: 7,978,653 km (0.099 R)
• M13: 8,365,962 km (0.094 R)
• M14: 8,874,445 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.2

Radius: 12.6

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.3 AU - 2.02 AU

Year: 1451 Days

Day: 5 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,036,894 km

• M1: 157,377 km (0.1 R)
• M2: 661,821 km (0.112 R)
• M3: 1,063,042 km (0.084 R)
• M4: 1,576,762 km (0.056 R)
• M5: 1,972,598 km (0.089 R)
• M6: 2,742,279 km (0.065 R)
• M7: 3,168,034 km (0.09 R)
• M8: 4,070,109 km (0.025 R)
• M9: 5,103,531 km (0.108 R)
• M10: 6,691,363 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.6

Radius: 12.4

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.75 AU - 1.89 AU

Year: 1665 Days

Day: 6 Hours

Environment

Temp: -207 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,036,894 km

• M1: 154,684 km (0.065 R)
• M2: 773,870 km (0.108 R)
• M3: 1,331,870 km (0.112 R)
• M4: 2,010,595 km (0.119 R)
• M5: 2,478,538 km (0.089 R)
• M6: 3,156,665 km (0.115 R)
• M7: 3,637,622 km (0.1 R)
• M8: 4,167,497 km (0.063 R)
• M9: 4,816,303 km (0.037 R)
• M10: 5,419,781 km (0.115 R)
• M11: 6,053,328 km (0.114 R)
• M12: 8,428,045 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.9

Radius: 9.1

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.71 AU - 2.01 AU

Year: 1721 Days

Day: 13.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 75.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,036,894 km

• M1: 113,246 km (0.109 R)
• M2: 546,032 km (0.045 R)
• M3: 834,008 km (0.104 R)
• M4: 1,409,511 km (0.098 R)
• M5: 1,736,382 km (0.047 R)
• M6: 2,248,755 km (0.069 R)
• M7: 3,139,311 km (0.103 R)
• M8: 3,756,103 km (0.117 R)
• M9: 4,163,458 km (0.078 R)
• M10: 5,880,094 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.4

Radius: 14.8

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.96 AU - 2.54 AU

Year: 2289 Days

Day: 7.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,036,894 km

• M1: 185,202 km (0.08 R)
• M2: 797,805 km (0.097 R)
• M3: 1,316,611 km (0.066 R)
• M4: 2,211,954 km (0.034 R)
• M5: 2,689,471 km (0.072 R)
• M6: 3,236,550 km (0.116 R)
• M7: 7,182,044 km (0.102 R)
• M8: 7,910,586 km (0.07 R)
• M9: 8,465,145 km (0.099 R)
• M10: 10,323,001 km (0.097 R)
• M11: 11,444,387 km (0.054 R)
• M12: 12,687,096 km (0.102 R)
• M13: 13,319,746 km (0.094 R)
• M14: 13,841,094 km (0.113 R)
• M15: 14,511,891 km (0.107 R)
• M16: 15,298,327 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314.7

Radius: 6.4

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.46 AU - 6.94 AU

Year: 9230 Days

Day: 19.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 24,036,894 km

• M1: 80,035 km (0.082 R)
• M2: 280,197 km (0.069 R)
• M3: 666,459 km (0.084 R)
• M4: 1,592,320 km (0.116 R)
• M5: 3,506,873 km (0.067 R)
• M6: 3,996,956 km (0.028 R)
• M7: 5,711,348 km (0.113 R)
• M8: 6,389,175 km (0.087 R)
• M9: 8,538,448 km (0.052 R)
• M10: 8,743,846 km (0.078 R)
• M11: 8,952,385 km (0.099 R)
• M12: 11,671,925 km (0.05 R)
• M13: 15,679,802 km (0.062 R)
• M14: 18,739,676 km (0.089 R)
• M15: 21,261,298 km (0.065 R)
• M16: 23,434,806 km (0.071 R)
• M17: 27,676,952 km (0.112 R)
• M18: 32,106,097 km (0.092 R)
• M19: 33,004,881 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750.7

Radius: 4.2

Gravity: 42.56 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.95 AU - 12.81 AU

Year: 22682 Days

Day: 19.9 Hours

Environment

Temp: -245 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 24,036,894 km

• M1: 88,263 km (0.114 R)
• M2: 408,103 km (0.098 R)
• M3: 674,686 km (0.097 R)
• M4: 1,290,730 km (0.107 R)
• M5: 2,742,578 km (0.052 R)
• M6: 3,462,892 km (0.032 R)
• M7: 4,164,206 km (0.1 R)
• M8: 4,693,783 km (0.116 R)
• M9: 4,994,026 km (0.07 R)
• M10: 5,267,042 km (0.054 R)
• M11: 5,885,629 km (0.109 R)
• M12: 6,505,413 km (0.099 R)
• M13: 7,978,054 km (0.062 R)
• M14: 9,422,571 km (0.07 R)
• M15: 11,563,018 km (0.117 R)
• M16: 11,834,388 km (0.071 R)
• M17: 13,477,721 km (0.115 R)
• M18: 14,470,901 km (0.089 R)
• M19: 16,860,428 km (0.086 R)
• M20: 18,653,358 km (0.038 R)
• M21: 19,120,702 km (0.115 R)
• M22: 19,691,867 km (0.115 R)
• M23: 20,372,388 km (0.117 R)
• M24: 22,507,897 km (0.113 R)
• M25: 28,428,233 km (0.106 R)
• M26: 40,825,109 km (0.06 R)
• M27: 42,089,211 km (0.099 R)
• M28: 42,409,351 km (0.117 R)
• M29: 55,043,340 km (0.105 R)
• M30: 58,155,275 km (0.051 R)
• M31: 66,444,044 km (0.118 R)
• M32: 83,535,301 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 15.2

Radius: 3.6

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 9.23 AU - 12.23 AU

Year: 23839 Days

Day: 22.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,036,894 km

• M1: 51,013 km (0.081 R)
• M2: 189,391 km (0.076 R)
• M3: 401,969 km (0.08 R)
• M4: 612,005 km (0.101 R)
• M5: 2,304,705 km (0.098 R)
• M6: 2,884,696 km (0.098 R)
• M7: 3,780,787 km (0.112 R)
• M8: 4,441,411 km (0.047 R)
• M9: 5,227,099 km (0.104 R)
• M10: 6,101,200 km (0.107 R)
• M11: 6,512,743 km (0.041 R)
• M12: 10,247,604 km (0.03 R)
• M13: 12,842,379 km (0.096 R)
• M14: 14,214,341 km (0.067 R)
• M15: 18,605,637 km (0.055 R)
• M16: 22,282,154 km (0.094 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: 380 - 20,223 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit