🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.5

Radius: 9.3

Gravity: 10.86 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.03 AU - 1.41 AU

Year: 930 Days

Day: 10.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,029,515 km

• M1: 115,639 km (0.066 R)
• M2: 460,313 km (0.088 R)
• M3: 844,929 km (0.087 R)
• M4: 1,275,023 km (0.103 R)
• M5: 1,707,959 km (0.107 R)
• M6: 2,035,728 km (0.117 R)
• M7: 2,382,795 km (0.071 R)
• M8: 3,296,838 km (0.116 R)
• M9: 4,086,266 km (0.04 R)
• M10: 4,715,774 km (0.094 R)
• M11: 5,209,596 km (0.115 R)
• M12: 5,550,829 km (0.116 R)
• M13: 7,068,350 km (0.09 R)
• M14: 7,362,310 km (0.118 R)
• M15: 7,715,809 km (0.101 R)
• M16: 8,816,551 km (0.105 R)
• M17: 9,390,109 km (0.066 R)
• M18: 9,806,140 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737

Radius: 10.4

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.1 AU - 1.8 AU

Year: 1205 Days

Day: 6.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,029,515 km

• M1: 129,552 km (0.062 R)
• M2: 475,721 km (0.07 R)
• M3: 843,433 km (0.081 R)
• M4: 1,238,670 km (0.038 R)
• M5: 1,844,691 km (0.093 R)
• M6: 2,563,958 km (0.081 R)
• M7: 2,940,945 km (0.106 R)
• M8: 3,460,648 km (0.064 R)
• M9: 3,840,327 km (0.099 R)
• M10: 5,031,126 km (0.113 R)
• M11: 5,499,367 km (0.1 R)
• M12: 6,221,775 km (0.089 R)
• M13: 8,070,955 km (0.096 R)
• M14: 8,514,662 km (0.092 R)
• M15: 8,858,139 km (0.071 R)
• M16: 9,360,339 km (0.103 R)
• M17: 10,007,050 km (0.077 R)
• M18: 10,915,259 km (0.109 R)
• M19: 11,527,563 km (0.107 R)
• M20: 11,983,986 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.2

Radius: 14.1

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.37 AU - 2.11 AU

Year: 1584 Days

Day: 10.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,029,515 km

• M1: 175,329 km (0.09 R)
• M2: 619,335 km (0.086 R)
• M3: 1,108,819 km (0.067 R)
• M4: 1,839,156 km (0.025 R)
• M5: 2,585,201 km (0.115 R)
• M6: 4,872,552 km (0.099 R)
• M7: 5,404,223 km (0.054 R)
• M8: 6,084,445 km (0.086 R)
• M9: 6,538,325 km (0.029 R)
• M10: 7,063,563 km (0.074 R)
• M11: 7,746,926 km (0.059 R)
• M12: 8,669,645 km (0.04 R)
• M13: 11,030,449 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.6

Radius: 8.9

Gravity: 11.16 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.57 AU - 2.59 AU

Year: 2860 Days

Day: 7.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,029,515 km

• M1: 110,702 km (0.069 R)
• M2: 502,350 km (0.102 R)
• M3: 1,437,636 km (0.106 R)
• M4: 2,043,956 km (0.026 R)
• M5: 2,666,432 km (0.099 R)
• M6: 3,207,678 km (0.044 R)
• M7: 3,820,281 km (0.12 R)
• M8: 4,351,503 km (0.103 R)
• M9: 4,646,809 km (0.094 R)
• M10: 6,019,818 km (0.115 R)
• M11: 6,650,523 km (0.071 R)
• M12: 7,677,961 km (0.061 R)
• M13: 8,281,289 km (0.102 R)
• M14: 8,736,516 km (0.115 R)
• M15: 9,356,748 km (0.103 R)
• M16: 12,046,069 km (0.118 R)
• M17: 12,539,443 km (0.053 R)
• M18: 14,150,463 km (0.112 R)
• M19: 15,160,248 km (0.092 R)
• M20: 15,788,709 km (0.101 R)
• M21: 16,163,152 km (0.083 R)
• M22: 16,818,989 km (0.104 R)
• M23: 17,606,473 km (0.09 R)
• M24: 18,009,340 km (0.077 R)
• M25: 18,477,282 km (0.052 R)
• M26: 19,682,592 km (0.101 R)
• M27: 21,522,346 km (0.118 R)
• M28: 22,115,801 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649

Radius: 11.3

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.62 AU - 2.82 AU

Year: 3096 Days

Day: 13.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,029,515 km

• M1: 140,772 km (0.109 R)
• M2: 690,095 km (0.073 R)
• M3: 1,164,470 km (0.033 R)
• M4: 1,692,850 km (0.069 R)
• M5: 2,065,348 km (0.095 R)
• M6: 2,613,026 km (0.074 R)
• M7: 3,238,196 km (0.11 R)
• M8: 4,001,444 km (0.055 R)
• M9: 4,360,628 km (0.079 R)
• M10: 5,071,517 km (0.098 R)
• M11: 5,992,292 km (0.098 R)
• M12: 6,550,143 km (0.1 R)
• M13: 7,142,401 km (0.101 R)
• M14: 7,546,165 km (0.113 R)
• M15: 8,197,365 km (0.116 R)
• M16: 8,744,893 km (0.109 R)
• M17: 9,426,760 km (0.099 R)
• M18: 9,837,556 km (0.052 R)
• M19: 10,456,293 km (0.073 R)
• M20: 12,513,862 km (0.104 R)
• M21: 12,873,794 km (0.081 R)
• M22: 13,380,034 km (0.092 R)
• M23: 14,383,386 km (0.083 R)
• M24: 15,282,619 km (0.102 R)
• M25: 17,248,485 km (0.056 R)
• M26: 20,598,430 km (0.027 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.2

Radius: 11.4

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.46 AU - 3.2 AU

Year: 3286 Days

Day: 11.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,029,515 km

• M1: 141,819 km (0.112 R)
• M2: 558,748 km (0.076 R)
• M3: 1,024,446 km (0.066 R)
• M4: 1,416,393 km (0.037 R)
• M5: 1,961,378 km (0.041 R)
• M6: 2,320,712 km (0.053 R)
• M7: 3,211,866 km (0.074 R)
• M8: 4,073,999 km (0.032 R)
• M9: 5,500,115 km (0.079 R)
• M10: 7,528,662 km (0.104 R)
• M11: 11,008,608 km (0.088 R)
• M12: 12,022,582 km (0.1 R)
• M13: 13,291,172 km (0.034 R)
• M14: 17,749,638 km (0.052 R)
• M15: 18,833,474 km (0.099 R)
• M16: 20,802,930 km (0.061 R)
• M17: 21,466,397 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.7

Radius: 9.9

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.44 AU - 4.02 AU

Year: 4007 Days

Day: 5.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,029,515 km

• M1: 123,867 km (0.064 R)
• M2: 451,935 km (0.112 R)
• M3: 773,271 km (0.086 R)
• M4: 1,088,923 km (0.039 R)
• M5: 1,690,905 km (0.118 R)
• M6: 2,353,623 km (0.057 R)
• M7: 3,216,803 km (0.067 R)
• M8: 3,711,374 km (0.118 R)
• M9: 4,125,909 km (0.115 R)
• M10: 5,172,346 km (0.051 R)
• M11: 5,717,631 km (0.087 R)
• M12: 6,416,103 km (0.062 R)
• M13: 7,170,525 km (0.075 R)
• M14: 8,255,558 km (0.056 R)
• M15: 8,964,353 km (0.118 R)
• M16: 9,985,059 km (0.11 R)
• M17: 10,382,092 km (0.066 R)
• M18: 12,391,491 km (0.096 R)
• M19: 15,739,042 km (0.054 R)
• M20: 16,223,141 km (0.115 R)
• M21: 17,277,656 km (0.089 R)
• M22: 17,677,382 km (0.114 R)
• M23: 18,083,391 km (0.092 R)
• M24: 18,436,292 km (0.111 R)
• M25: 19,707,874 km (0.025 R)
• M26: 20,587,509 km (0.065 R)
• M27: 21,955,731 km (0.115 R)
• M28: 22,492,638 km (0.034 R)

Asteroid Belt

Center: 5.25 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 986.3

Radius: 7.8

Gravity: 16.21 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 7.25 AU - 7.27 AU

Year: 13503 Days

Day: 18.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,029,515 km

• M1: 103,073 km (0.096 R)
• M2: 398,978 km (0.087 R)
• M3: 839,094 km (0.044 R)
• M4: 1,844,243 km (0.12 R)
• M5: 4,013,561 km (0.048 R)
• M6: 4,647,557 km (0.108 R)
• M7: 4,953,784 km (0.081 R)
• M8: 7,353,334 km (0.095 R)
• M9: 8,855,446 km (0.039 R)
• M10: 10,038,466 km (0.069 R)
• M11: 11,022,222 km (0.04 R)
• M12: 14,004,904 km (0.109 R)
• M13: 15,832,840 km (0.028 R)
• M14: 22,357,851 km (0.105 R)
• M15: 35,185,718 km (0.095 R)
• M16: 40,931,922 km (0.079 R)
• M17: 41,509,819 km (0.106 R)
• M18: 42,386,761 km (0.078 R)
• M19: 46,643,120 km (0.061 R)
• M20: 52,522,915 km (0.108 R)
• M21: 53,893,381 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 214.8

Radius: 4.8

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 8.45 AU - 9.81 AU

Year: 19042 Days

Day: 23.6 Hours

Environment

Temp: -244 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,029,515 km

• M1: 59,839 km (0.102 R)
• M2: 288,275 km (0.048 R)
• M3: 502,948 km (0.081 R)
• M4: 675,584 km (0.075 R)
• M5: 1,533,977 km (0.064 R)
• M6: 2,673,763 km (0.048 R)
• M7: 2,867,043 km (0.053 R)
• M8: 3,709,279 km (0.118 R)
• M9: 5,831,325 km (0.103 R)
• M10: 6,885,092 km (0.089 R)
• M11: 7,208,224 km (0.095 R)
• M12: 14,887,830 km (0.101 R)
• M13: 15,841,218 km (0.079 R)
• M14: 17,346,621 km (0.109 R)
• M15: 24,510,115 km (0.084 R)
• M16: 27,914,963 km (0.106 R)
• M17: 41,167,688 km (0.099 R)
• M18: 42,229,684 km (0.114 R)
• M19: 43,446,064 km (0.036 R)
• M20: 45,948,537 km (0.06 R)
• M21: 49,581,073 km (0.071 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 20,231 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit