🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.7

Radius: 13.8

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.74 AU - 1.08 AU

Year: 561 Days

Day: 9 Hours

Environment

Temp: -159 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,469,633 km

• M1: 171,589 km (0.074 R)
• M2: 638,633 km (0.072 R)
• M3: 1,090,868 km (0.074 R)
• M4: 1,760,019 km (0.049 R)
• M5: 2,205,222 km (0.086 R)
• M6: 2,661,346 km (0.072 R)
• M7: 3,485,331 km (0.03 R)
• M8: 4,022,836 km (0.116 R)
• M9: 4,583,828 km (0.116 R)
• M10: 5,248,791 km (0.042 R)
• M11: 6,053,777 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.3

Radius: 14.7

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.89 AU - 1.35 AU

Year: 765 Days

Day: 11.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,469,633 km

• M1: 182,809 km (0.097 R)
• M2: 815,308 km (0.034 R)
• M3: 2,654,315 km (0.094 R)
• M4: 3,123,304 km (0.099 R)
• M5: 3,802,479 km (0.119 R)
• M6: 4,911,448 km (0.116 R)
• M7: 5,495,927 km (0.07 R)
• M8: 6,573,929 km (0.074 R)
• M9: 7,064,909 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534

Radius: 9

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.3 AU - 1.48 AU

Year: 1058 Days

Day: 5.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,469,633 km

• M1: 111,899 km (0.095 R)
• M2: 824,583 km (0.096 R)
• M3: 1,398,590 km (0.093 R)
• M4: 1,691,354 km (0.116 R)
• M5: 2,188,018 km (0.066 R)
• M6: 2,610,184 km (0.085 R)
• M7: 3,125,997 km (0.101 R)
• M8: 3,618,922 km (0.055 R)
• M9: 3,954,620 km (0.111 R)
• M10: 4,428,995 km (0.088 R)
• M11: 4,777,857 km (0.061 R)
• M12: 5,070,171 km (0.107 R)
• M13: 6,361,350 km (0.109 R)
• M14: 6,921,145 km (0.096 R)
• M15: 7,884,406 km (0.085 R)
• M16: 8,164,453 km (0.101 R)
• M17: 9,099,889 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.7

Radius: 14.2

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.88 AU - 1.92 AU

Year: 1691 Days

Day: 13.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,469,633 km

• M1: 176,525 km (0.052 R)
• M2: 738,415 km (0.111 R)
• M3: 1,574,966 km (0.041 R)
• M4: 2,748,711 km (0.068 R)
• M5: 3,569,106 km (0.1 R)
• M6: 5,282,002 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.2

Radius: 12.1

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.85 AU - 2.77 AU

Year: 2267 Days

Day: 11.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,469,633 km

• M1: 150,495 km (0.039 R)
• M2: 575,802 km (0.108 R)
• M3: 1,042,248 km (0.059 R)
• M4: 1,940,135 km (0.09 R)
• M5: 2,528,354 km (0.109 R)
• M6: 3,365,503 km (0.032 R)
• M7: 5,146,316 km (0.116 R)
• M8: 6,783,665 km (0.097 R)
• M9: 7,574,290 km (0.108 R)
• M10: 8,776,757 km (0.1 R)
• M11: 11,557,782 km (0.085 R)
• M12: 14,107,528 km (0.09 R)
• M13: 15,253,448 km (0.095 R)
• M14: 16,116,328 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.1

Radius: 9.1

Gravity: 12.05 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.06 AU - 5 AU

Year: 6225 Days

Day: 7.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,469,633 km

• M1: 113,395 km (0.058 R)
• M2: 494,870 km (0.074 R)
• M3: 917,035 km (0.054 R)
• M4: 1,494,483 km (0.034 R)
• M5: 3,145,894 km (0.078 R)
• M6: 3,785,574 km (0.092 R)
• M7: 5,928,414 km (0.063 R)
• M8: 6,830,340 km (0.054 R)
• M9: 8,818,196 km (0.065 R)
• M10: 10,276,476 km (0.066 R)
• M11: 11,783,525 km (0.112 R)
• M12: 12,209,131 km (0.107 R)
• M13: 12,978,662 km (0.043 R)
• M14: 13,956,135 km (0.101 R)
• M15: 14,432,754 km (0.103 R)
• M16: 16,382,912 km (0.106 R)
• M17: 22,539,163 km (0.093 R)
• M18: 23,030,293 km (0.062 R)
• M19: 24,374,729 km (0.089 R)
• M20: 28,151,627 km (0.036 R)
• M21: 29,008,972 km (0.055 R)
• M22: 29,590,160 km (0.071 R)
• M23: 33,664,607 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263

Radius: 8

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.01 AU - 5.57 AU

Year: 6769 Days

Day: 12.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,469,633 km

• M1: 101,876 km (0.084 R)
• M2: 1,026,541 km (0.086 R)
• M3: 1,368,821 km (0.062 R)
• M4: 1,674,599 km (0.104 R)
• M5: 2,168,122 km (0.115 R)
• M6: 2,586,846 km (0.074 R)
• M7: 3,114,628 km (0.051 R)
• M8: 4,600,135 km (0.045 R)
• M9: 6,726,818 km (0.088 R)
• M10: 7,081,215 km (0.094 R)
• M11: 7,862,565 km (0.116 R)
• M12: 8,928,001 km (0.055 R)
• M13: 14,961,283 km (0.077 R)
• M14: 16,129,642 km (0.101 R)
• M15: 16,706,941 km (0.113 R)
• M16: 22,324,341 km (0.068 R)
• M17: 25,283,985 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 585.8

Radius: 6.2

Gravity: 15.24 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 7.01 AU - 7.19 AU

Year: 12215 Days

Day: 18.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 54,469,633 km

• M1: 77,193 km (0.077 R)
• M2: 297,849 km (0.107 R)
• M3: 600,336 km (0.066 R)
• M4: 831,166 km (0.11 R)
• M5: 1,608,776 km (0.065 R)
• M6: 1,842,747 km (0.075 R)
• M7: 2,264,912 km (0.112 R)
• M8: 3,180,301 km (0.118 R)
• M9: 3,895,828 km (0.076 R)
• M10: 5,890,416 km (0.104 R)
• M11: 6,488,658 km (0.075 R)
• M12: 7,085,703 km (0.118 R)
• M13: 8,026,524 km (0.109 R)
• M14: 9,590,271 km (0.052 R)
• M15: 11,012,348 km (0.056 R)
• M16: 11,516,044 km (0.077 R)
• M17: 14,532,087 km (0.049 R)
• M18: 15,830,895 km (0.049 R)
• M19: 17,807,083 km (0.094 R)
• M20: 20,605,910 km (0.081 R)
• M21: 22,065,686 km (0.074 R)
• M22: 22,955,793 km (0.105 R)
• M23: 25,769,580 km (0.088 R)
• M24: 26,063,091 km (0.119 R)
• M25: 29,121,320 km (0.047 R)
• M26: 29,975,374 km (0.096 R)
• M27: 32,070,941 km (0.083 R)
• M28: 34,974,187 km (0.081 R)
• M29: 38,428,551 km (0.038 R)
• M30: 39,068,531 km (0.105 R)
• M31: 40,897,963 km (0.085 R)
• M32: 41,699,210 km (0.072 R)
• M33: 46,438,470 km (0.095 R)
• M34: 47,164,319 km (0.088 R)
• M35: 48,193,253 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 445.4

Radius: 7.9

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.7 AU - 8.6 AU

Year: 15023 Days

Day: 24.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,469,633 km

• M1: 99,034 km (0.112 R)
• M2: 379,829 km (0.056 R)
• M3: 1,021,155 km (0.077 R)
• M4: 1,279,062 km (0.086 R)
• M5: 1,595,760 km (0.107 R)
• M6: 2,016,878 km (0.085 R)
• M7: 2,273,140 km (0.077 R)
• M8: 2,720,437 km (0.116 R)
• M9: 3,034,892 km (0.106 R)
• M10: 3,984,390 km (0.071 R)
• M11: 4,390,997 km (0.043 R)
• M12: 7,876,328 km (0.118 R)
• M13: 12,198,360 km (0.111 R)
• M14: 13,500,310 km (0.119 R)
• M15: 15,237,740 km (0.104 R)
• M16: 16,305,121 km (0.076 R)
• M17: 21,162,863 km (0.08 R)
• M18: 21,687,203 km (0.053 R)
• M19: 23,966,028 km (0.113 R)
• M20: 27,624,444 km (0.078 R)
• M21: 28,779,938 km (0.114 R)
• M22: 30,407,114 km (0.099 R)
• M23: 36,025,561 km (0.111 R)
• M24: 42,023,687 km (0.047 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 16,931 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit