🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726

Radius: 10.7

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.03 AU - 1.61 AU

Year: 1029 Days

Day: 14.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 150.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,765,855 km

• M1: 133,740 km (0.079 R)
• M2: 874,100 km (0.11 R)
• M3: 1,341,893 km (0.099 R)
• M4: 1,993,840 km (0.111 R)
• M5: 2,757,388 km (0.092 R)
• M6: 3,508,968 km (0.069 R)
• M7: 4,038,694 km (0.114 R)
• M8: 4,639,030 km (0.095 R)
• M9: 5,598,850 km (0.066 R)
• M10: 7,110,387 km (0.075 R)
• M11: 7,627,995 km (0.103 R)
• M12: 9,074,906 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.8

Radius: 13.1

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.73 AU - 2.07 AU

Year: 1776 Days

Day: 6.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 152.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,765,855 km

• M1: 162,912 km (0.061 R)
• M2: 643,570 km (0.118 R)
• M3: 1,293,872 km (0.115 R)
• M4: 1,790,088 km (0.105 R)
• M5: 2,235,890 km (0.084 R)
• M6: 5,631,163 km (0.11 R)
• M7: 8,347,412 km (0.082 R)
• M8: 10,201,677 km (0.099 R)
• M9: 12,397,475 km (0.084 R)
• M10: 12,888,305 km (0.073 R)
• M11: 14,172,902 km (0.08 R)
• M12: 14,619,452 km (0.05 R)
• M13: 15,872,484 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.3

Radius: 9.8

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.57 AU - 2.45 AU

Year: 1933 Days

Day: 9.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,765,855 km

• M1: 122,521 km (0.066 R)
• M2: 464,501 km (0.102 R)
• M3: 856,298 km (0.063 R)
• M4: 1,205,609 km (0.055 R)
• M5: 1,602,044 km (0.045 R)
• M6: 2,833,982 km (0.119 R)
• M7: 3,183,443 km (0.051 R)
• M8: 3,735,309 km (0.102 R)
• M9: 4,468,488 km (0.075 R)
• M10: 4,795,809 km (0.074 R)
• M11: 5,249,988 km (0.055 R)
• M12: 8,760,302 km (0.111 R)
• M13: 9,242,605 km (0.067 R)
• M14: 9,947,211 km (0.044 R)
• M15: 11,730,867 km (0.094 R)
• M16: 13,046,131 km (0.091 R)
• M17: 13,463,360 km (0.107 R)
• M18: 15,638,513 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.7

Radius: 10.6

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.43 AU - 3.15 AU

Year: 3161 Days

Day: 7.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 40,765,855 km

• M1: 132,095 km (0.06 R)
• M2: 793,916 km (0.043 R)
• M3: 1,192,145 km (0.091 R)
• M4: 1,834,219 km (0.106 R)
• M5: 2,336,569 km (0.079 R)
• M6: 2,860,461 km (0.094 R)
• M7: 3,308,507 km (0.088 R)
• M8: 3,659,762 km (0.11 R)
• M9: 4,530,871 km (0.054 R)
• M10: 4,891,252 km (0.12 R)
• M11: 6,529,498 km (0.06 R)
• M12: 8,082,324 km (0.111 R)
• M13: 8,470,231 km (0.098 R)
• M14: 8,870,705 km (0.093 R)
• M15: 9,828,131 km (0.074 R)
• M16: 10,642,542 km (0.055 R)
• M17: 12,083,918 km (0.064 R)
• M18: 12,733,172 km (0.109 R)
• M19: 13,162,817 km (0.113 R)
• M20: 13,950,301 km (0.04 R)
• M21: 14,458,335 km (0.113 R)
• M22: 14,821,259 km (0.106 R)
• M23: 16,784,582 km (0.117 R)
• M24: 17,185,654 km (0.112 R)
• M25: 17,888,016 km (0.095 R)
• M26: 18,246,303 km (0.065 R)
• M27: 19,791,050 km (0.074 R)
• M28: 20,238,797 km (0.053 R)
• M29: 23,779,629 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.3

Radius: 13.8

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.55 AU - 5.25 AU

Year: 7357 Days

Day: 12.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 40,765,855 km

• M1: 171,589 km (0.102 R)
• M2: 625,618 km (0.112 R)
• M3: 1,104,032 km (0.112 R)
• M4: 1,925,025 km (0.107 R)
• M5: 2,376,213 km (0.098 R)
• M6: 3,590,349 km (0.113 R)
• M7: 4,663,115 km (0.077 R)
• M8: 5,305,189 km (0.107 R)
• M9: 5,744,109 km (0.116 R)
• M10: 6,483,123 km (0.047 R)
• M11: 7,246,970 km (0.114 R)
• M12: 8,441,658 km (0.073 R)
• M13: 9,219,118 km (0.096 R)
• M14: 10,138,547 km (0.044 R)
• M15: 10,571,932 km (0.097 R)
• M16: 11,683,444 km (0.114 R)
• M17: 14,258,023 km (0.116 R)
• M18: 14,802,859 km (0.088 R)
• M19: 15,487,568 km (0.108 R)
• M20: 17,807,981 km (0.117 R)
• M21: 19,379,955 km (0.071 R)
• M22: 22,880,994 km (0.111 R)
• M23: 23,377,659 km (0.101 R)
• M24: 25,260,648 km (0.104 R)
• M25: 29,036,648 km (0.052 R)
• M26: 30,110,461 km (0.103 R)
• M27: 30,707,207 km (0.107 R)
• M28: 31,311,882 km (0.079 R)
• M29: 32,027,259 km (0.101 R)
• M30: 34,998,571 km (0.075 R)
• M31: 39,318,958 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.6

Radius: 6.1

Gravity: 19.1 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.04 AU - 7.66 AU

Year: 10853 Days

Day: 22.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 40,765,855 km

• M1: 75,846 km (0.099 R)
• M2: 322,832 km (0.046 R)
• M3: 801,097 km (0.118 R)
• M4: 1,038,957 km (0.031 R)
• M5: 1,298,210 km (0.095 R)
• M6: 1,675,197 km (0.081 R)
• M7: 2,288,548 km (0.1 R)
• M8: 2,584,602 km (0.103 R)
• M9: 2,995,847 km (0.084 R)
• M10: 3,628,347 km (0.076 R)
• M11: 4,229,880 km (0.093 R)
• M12: 4,615,394 km (0.083 R)
• M13: 5,525,098 km (0.098 R)
• M14: 5,770,139 km (0.102 R)
• M15: 6,132,765 km (0.078 R)
• M16: 9,652,055 km (0.079 R)
• M17: 11,018,033 km (0.093 R)
• M18: 12,036,196 km (0.06 R)
• M19: 17,701,916 km (0.082 R)
• M20: 18,467,109 km (0.097 R)
• M21: 18,936,697 km (0.091 R)
• M22: 19,254,144 km (0.07 R)
• M23: 21,490,333 km (0.046 R)
• M24: 25,208,288 km (0.072 R)
• M25: 27,775,537 km (0.118 R)
• M26: 28,703,493 km (0.062 R)
• M27: 36,391,776 km (0.049 R)
• M28: 37,751,920 km (0.109 R)
• M29: 39,402,733 km (0.116 R)
• M30: 42,169,994 km (0.11 R)
• M31: 47,647,969 km (0.082 R)
• M32: 48,827,399 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.9

Radius: 7.5

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.58 AU - 9.26 AU

Year: 15117 Days

Day: 23.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,765,855 km

• M1: 93,349 km (0.113 R)
• M2: 521,349 km (0.051 R)
• M3: 938,577 km (0.042 R)
• M4: 1,929,962 km (0.054 R)
• M5: 2,405,534 km (0.086 R)
• M6: 4,254,414 km (0.054 R)
• M7: 4,968,744 km (0.069 R)
• M8: 5,628,470 km (0.069 R)
• M9: 9,175,885 km (0.097 R)
• M10: 9,452,042 km (0.062 R)
• M11: 11,071,290 km (0.105 R)
• M12: 11,490,164 km (0.066 R)
• M13: 12,193,274 km (0.075 R)
• M14: 12,527,326 km (0.07 R)
• M15: 16,145,051 km (0.105 R)
• M16: 16,957,667 km (0.066 R)
• M17: 17,655,391 km (0.111 R)
• M18: 19,033,636 km (0.094 R)
• M19: 25,719,016 km (0.086 R)
• M20: 26,361,239 km (0.032 R)
• M21: 27,582,107 km (0.112 R)
• M22: 39,459,281 km (0.11 R)
• M23: 40,067,994 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344

Radius: 8

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.52 AU - 9.72 AU

Year: 15694 Days

Day: 23.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,765,855 km

• M1: 127,757 km (0.113 R)
• M2: 384,317 km (0.101 R)
• M3: 1,012,478 km (0.07 R)
• M4: 1,417,889 km (0.029 R)
• M5: 2,208,214 km (0.11 R)
• M6: 2,743,027 km (0.072 R)
• M7: 6,403,686 km (0.068 R)
• M8: 6,871,479 km (0.073 R)
• M9: 19,346,894 km (0.118 R)
• M10: 22,820,706 km (0.082 R)
• M11: 25,226,689 km (0.073 R)
• M12: 28,621,513 km (0.106 R)
• M13: 31,636,658 km (0.105 R)
• M14: 31,971,758 km (0.084 R)
• M15: 38,416,135 km (0.109 R)
• M16: 38,797,609 km (0.087 R)
• M17: 44,128,230 km (0.096 R)
• M18: 46,968,047 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 676.8

Radius: 4.9

Gravity: 28.19 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 9.64 AU - 9.88 AU

Year: 20681 Days

Day: 21.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 40,765,855 km

• M1: 65,225 km (0.093 R)
• M2: 767,886 km (0.118 R)
• M3: 1,027,887 km (0.065 R)
• M4: 1,185,862 km (0.097 R)
• M5: 1,688,960 km (0.083 R)
• M6: 3,352,488 km (0.093 R)
• M7: 3,525,274 km (0.059 R)
• M8: 4,309,765 km (0.112 R)
• M9: 4,905,913 km (0.116 R)
• M10: 5,128,963 km (0.07 R)
• M11: 5,358,745 km (0.092 R)
• M12: 5,555,467 km (0.099 R)
• M13: 6,522,916 km (0.116 R)
• M14: 7,647,144 km (0.093 R)
• M15: 10,152,310 km (0.098 R)
• M16: 13,155,786 km (0.045 R)
• M17: 17,123,122 km (0.081 R)
• M18: 22,423,973 km (0.111 R)
• M19: 27,775,089 km (0.066 R)
• M20: 29,083,172 km (0.094 R)
• M21: 30,060,047 km (0.113 R)
• M22: 32,208,122 km (0.1 R)
• M23: 33,651,143 km (0.118 R)
• M24: 34,863,634 km (0.11 R)
• M25: 41,670,936 km (0.109 R)
• M26: 42,599,041 km (0.078 R)
• M27: 45,792,058 km (0.044 R)
• M28: 50,525,035 km (0.05 R)
• M29: 51,934,995 km (0.11 R)
• M30: 55,388,013 km (0.106 R)
• M31: 57,646,043 km (0.117 R)
• M32: 60,357,056 km (0.096 R)
• M33: 60,948,865 km (0.1 R)
• M34: 66,659,914 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 80.5

Radius: 4.7

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 9.56 AU - 11.32 AU

Year: 22879 Days

Day: 16.4 Hours

Environment

Temp: -246 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,765,855 km

• M1: 824,583 km (0.1 R)
• M2: 1,157,588 km (0.106 R)
• M3: 1,630,318 km (0.113 R)
• M4: 4,532,217 km (0.106 R)
• M5: 4,906,511 km (0.11 R)
• M6: 6,794,286 km (0.104 R)
• M7: 10,530,793 km (0.111 R)
• M8: 13,431,196 km (0.101 R)
• M9: 15,063,309 km (0.059 R)
• M10: 16,156,121 km (0.033 R)
• M11: 27,329,287 km (0.096 R)
• M12: 35,180,782 km (0.065 R)
• M13: 36,981,641 km (0.117 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: 246 - 19,320 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit