🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.94 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.6

Radius: 10.9

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.73 AU - 2.01 AU

Year: 1705 Days

Day: 13.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,469,431 km

• M1: 136,134 km (0.099 R)
• M2: 525,089 km (0.093 R)
• M3: 873,652 km (0.092 R)
• M4: 1,402,480 km (0.045 R)
• M5: 1,767,349 km (0.049 R)
• M6: 2,196,396 km (0.061 R)
• M7: 3,283,224 km (0.053 R)
• M8: 5,395,546 km (0.106 R)
• M9: 5,874,708 km (0.099 R)
• M10: 7,266,118 km (0.115 R)
• M11: 8,170,437 km (0.097 R)
• M12: 8,959,267 km (0.098 R)
• M13: 12,123,860 km (0.074 R)
• M14: 12,590,456 km (0.064 R)
• M15: 13,190,343 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.4

Radius: 12.2

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.74 AU - 2.66 AU

Year: 2176 Days

Day: 10.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,469,431 km

• M1: 155,432 km (0.115 R)
• M2: 552,914 km (0.069 R)
• M3: 1,432,998 km (0.081 R)
• M4: 1,900,192 km (0.1 R)
• M5: 3,047,009 km (0.092 R)
• M6: 3,470,820 km (0.051 R)
• M7: 3,865,459 km (0.085 R)
• M8: 6,169,715 km (0.101 R)
• M9: 6,628,083 km (0.115 R)
• M10: 7,586,407 km (0.072 R)
• M11: 9,056,057 km (0.109 R)
• M12: 9,713,390 km (0.12 R)
• M13: 11,264,720 km (0.114 R)
• M14: 12,361,870 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.5

Radius: 14.6

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.66 AU - 2.84 AU

Year: 3041 Days

Day: 14 Hours

Environment

Temp: -202 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,469,431 km

• M1: 182,210 km (0.096 R)
• M2: 659,876 km (0.079 R)
• M3: 1,189,602 km (0.096 R)
• M4: 1,999,226 km (0.103 R)
• M5: 2,607,042 km (0.049 R)
• M6: 3,681,903 km (0.094 R)
• M7: 4,157,624 km (0.038 R)
• M8: 4,937,029 km (0.096 R)
• M9: 7,033,493 km (0.107 R)
• M10: 8,490,278 km (0.076 R)
• M11: 9,517,117 km (0.097 R)
• M12: 10,957,146 km (0.096 R)
• M13: 11,642,005 km (0.047 R)
• M14: 12,219,304 km (0.117 R)
• M15: 13,097,593 km (0.107 R)
• M16: 14,266,551 km (0.119 R)
• M17: 16,423,303 km (0.082 R)
• M18: 18,849,930 km (0.099 R)
• M19: 20,212,468 km (0.085 R)
• M20: 21,772,624 km (0.078 R)
• M21: 23,063,653 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.4

Radius: 9.1

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.97 AU - 3.49 AU

Year: 3871 Days

Day: 9.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,469,431 km

• M1: 113,395 km (0.083 R)
• M2: 487,839 km (0.085 R)
• M3: 866,770 km (0.094 R)
• M4: 1,573,470 km (0.07 R)
• M5: 2,023,910 km (0.119 R)
• M6: 2,706,225 km (0.055 R)
• M7: 3,356,228 km (0.026 R)
• M8: 3,739,498 km (0.084 R)
• M9: 4,666,556 km (0.063 R)
• M10: 5,767,746 km (0.072 R)
• M11: 6,969,316 km (0.038 R)
• M12: 8,548,621 km (0.115 R)
• M13: 9,150,004 km (0.078 R)
• M14: 9,981,918 km (0.064 R)
• M15: 11,979,049 km (0.078 R)
• M16: 12,684,254 km (0.059 R)
• M17: 14,966,369 km (0.07 R)
• M18: 18,417,143 km (0.112 R)
• M19: 22,154,996 km (0.069 R)
• M20: 22,505,204 km (0.097 R)
• M21: 23,360,904 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.5

Radius: 5.5

Gravity: 21.57 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.26 AU - 6.3 AU

Year: 9267 Days

Day: 15.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 42,469,431 km

• M1: 69,413 km (0.105 R)
• M2: 255,214 km (0.108 R)
• M3: 949,348 km (0.107 R)
• M4: 1,137,542 km (0.103 R)
• M5: 1,736,083 km (0.101 R)
• M6: 2,227,064 km (0.112 R)
• M7: 2,997,941 km (0.088 R)
• M8: 3,456,010 km (0.032 R)
• M9: 3,651,983 km (0.073 R)
• M10: 3,986,035 km (0.095 R)
• M11: 5,832,821 km (0.049 R)
• M12: 9,121,431 km (0.115 R)
• M13: 9,354,804 km (0.037 R)
• M14: 10,684,280 km (0.092 R)
• M15: 11,801,776 km (0.086 R)
• M16: 12,474,218 km (0.099 R)
• M17: 13,470,091 km (0.094 R)
• M18: 13,895,249 km (0.044 R)
• M19: 15,552,793 km (0.072 R)
• M20: 15,752,057 km (0.034 R)
• M21: 16,984,295 km (0.109 R)
• M22: 17,623,976 km (0.117 R)
• M23: 18,725,465 km (0.069 R)
• M24: 20,502,388 km (0.025 R)
• M25: 23,504,518 km (0.094 R)
• M26: 23,767,212 km (0.118 R)
• M27: 25,110,003 km (0.11 R)
• M28: 26,220,168 km (0.102 R)
• M29: 27,266,007 km (0.048 R)
• M30: 28,836,635 km (0.079 R)
• M31: 30,570,474 km (0.115 R)
• M32: 44,559,521 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378

Radius: 7.8

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 6.14 AU - 7.62 AU

Year: 12034 Days

Day: 22.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,469,431 km

• M1: 97,239 km (0.057 R)
• M2: 651,200 km (0.03 R)
• M3: 1,050,626 km (0.118 R)
• M4: 1,565,093 km (0.101 R)
• M5: 2,456,397 km (0.114 R)
• M6: 3,246,423 km (0.089 R)
• M7: 3,601,270 km (0.053 R)
• M8: 4,646,510 km (0.099 R)
• M9: 7,725,683 km (0.031 R)
• M10: 9,925,669 km (0.074 R)
• M11: 10,572,979 km (0.117 R)
• M12: 14,488,255 km (0.089 R)
• M13: 25,201,108 km (0.098 R)
• M14: 27,258,228 km (0.107 R)
• M15: 31,491,997 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.4

Radius: 6.8

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 9.23 AU - 9.85 AU

Year: 19650 Days

Day: 20.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,469,431 km

• M1: 88,712 km (0.11 R)
• M2: 303,983 km (0.065 R)
• M3: 648,806 km (0.1 R)
• M4: 985,401 km (0.112 R)
• M5: 1,917,396 km (0.098 R)
• M6: 2,301,862 km (0.063 R)
• M7: 3,769,418 km (0.081 R)
• M8: 6,288,197 km (0.085 R)
• M9: 9,057,852 km (0.119 R)
• M10: 13,887,619 km (0.072 R)
• M11: 20,044,020 km (0.089 R)
• M12: 20,666,198 km (0.085 R)
• M13: 22,860,799 km (0.103 R)
• M14: 41,585,515 km (0.072 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 10,234 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit