🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.9 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.9

Radius: 13

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.52 AU - 2.06 AU

Year: 1624 Days

Day: 11.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,339,396 km

• M1: 167,400 km (0.072 R)
• M2: 607,816 km (0.116 R)
• M3: 1,018,911 km (0.105 R)
• M4: 1,635,703 km (0.064 R)
• M5: 2,069,537 km (0.074 R)
• M6: 2,936,307 km (0.079 R)
• M7: 3,634,480 km (0.118 R)
• M8: 4,608,362 km (0.081 R)
• M9: 5,904,179 km (0.086 R)
• M10: 6,339,210 km (0.076 R)
• M11: 10,110,422 km (0.074 R)
• M12: 10,535,280 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.2

Radius: 15

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.14 AU - 3.82 AU

Year: 4403 Days

Day: 11 Hours

Environment

Temp: -222 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,339,396 km

• M1: 186,549 km (0.07 R)
• M2: 778,657 km (0.071 R)
• M3: 1,457,831 km (0.066 R)
• M4: 2,029,445 km (0.102 R)
• M5: 2,911,773 km (0.091 R)
• M6: 3,415,020 km (0.104 R)
• M7: 4,377,982 km (0.058 R)
• M8: 5,140,332 km (0.083 R)
• M9: 6,044,502 km (0.084 R)
• M10: 7,423,046 km (0.049 R)
• M11: 10,514,935 km (0.114 R)
• M12: 11,082,509 km (0.109 R)
• M13: 16,551,508 km (0.107 R)
• M14: 17,265,240 km (0.074 R)
• M15: 19,289,598 km (0.118 R)
• M16: 21,339,089 km (0.119 R)
• M17: 21,987,895 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.5

Radius: 14.6

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.08 AU - 3.9 AU

Year: 4422 Days

Day: 8.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,339,396 km

• M1: 181,612 km (0.107 R)
• M2: 1,117,945 km (0.062 R)
• M3: 1,733,391 km (0.1 R)
• M4: 3,103,707 km (0.078 R)
• M5: 4,614,496 km (0.071 R)
• M6: 5,742,464 km (0.115 R)
• M7: 6,485,965 km (0.108 R)
• M8: 7,418,259 km (0.09 R)
• M9: 10,082,597 km (0.099 R)
• M10: 10,715,995 km (0.115 R)
• M11: 15,554,738 km (0.072 R)
• M12: 16,672,683 km (0.108 R)
• M13: 18,771,990 km (0.076 R)
• M14: 21,362,426 km (0.114 R)
• M15: 22,144,374 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847

Radius: 8

Gravity: 13.23 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.18 AU - 5.62 AU

Year: 7357 Days

Day: 8.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 76,339,396 km

• M1: 99,931 km (0.108 R)
• M2: 642,373 km (0.099 R)
• M3: 1,057,657 km (0.087 R)
• M4: 1,419,385 km (0.101 R)
• M5: 1,787,395 km (0.088 R)
• M6: 2,183,979 km (0.081 R)
• M7: 2,561,564 km (0.059 R)
• M8: 3,132,430 km (0.064 R)
• M9: 3,835,241 km (0.1 R)
• M10: 4,332,205 km (0.086 R)
• M11: 5,879,496 km (0.03 R)
• M12: 7,927,341 km (0.072 R)
• M13: 8,387,653 km (0.099 R)
• M14: 8,954,629 km (0.06 R)
• M15: 9,828,730 km (0.074 R)
• M16: 11,115,720 km (0.076 R)
• M17: 11,961,397 km (0.063 R)
• M18: 14,080,301 km (0.092 R)
• M19: 15,517,039 km (0.106 R)
• M20: 16,843,523 km (0.041 R)
• M21: 18,316,015 km (0.099 R)
• M22: 21,354,647 km (0.113 R)
• M23: 23,500,629 km (0.106 R)
• M24: 24,625,754 km (0.106 R)
• M25: 25,786,484 km (0.093 R)
• M26: 30,388,563 km (0.087 R)
• M27: 32,036,534 km (0.112 R)
• M28: 33,203,547 km (0.078 R)
• M29: 37,105,358 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260

Radius: 12.5

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.15 AU - 6.11 AU

Year: 7881 Days

Day: 14 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,339,396 km

• M1: 155,432 km (0.109 R)
• M2: 567,724 km (0.087 R)
• M3: 1,451,099 km (0.076 R)
• M4: 2,596,720 km (0.116 R)
• M5: 6,581,409 km (0.114 R)
• M6: 7,450,572 km (0.094 R)
• M7: 9,540,006 km (0.053 R)
• M8: 12,581,630 km (0.08 R)
• M9: 14,240,969 km (0.111 R)
• M10: 21,201,309 km (0.114 R)
• M11: 21,915,490 km (0.078 R)
• M12: 25,329,463 km (0.045 R)
• M13: 27,962,834 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.5

Radius: 10.2

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.52 AU - 6.2 AU

Year: 8417 Days

Day: 6.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,339,396 km

• M1: 154,086 km (0.062 R)
• M2: 478,713 km (0.107 R)
• M3: 1,339,649 km (0.039 R)
• M4: 2,487,663 km (0.101 R)
• M5: 4,645,612 km (0.112 R)
• M6: 5,178,181 km (0.109 R)
• M7: 6,335,470 km (0.101 R)
• M8: 8,292,210 km (0.076 R)
• M9: 11,233,454 km (0.113 R)
• M10: 23,659,053 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.2

Radius: 7.2

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.87 AU - 7.59 AU

Year: 10547 Days

Day: 18.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,339,396 km

• M1: 89,609 km (0.098 R)
• M2: 572,810 km (0.058 R)
• M3: 907,909 km (0.045 R)
• M4: 1,273,826 km (0.109 R)
• M5: 1,901,539 km (0.106 R)
• M6: 2,861,957 km (0.117 R)
• M7: 4,668,351 km (0.092 R)
• M8: 7,400,008 km (0.1 R)
• M9: 8,348,908 km (0.06 R)
• M10: 11,842,616 km (0.038 R)
• M11: 12,282,584 km (0.113 R)
• M12: 12,506,681 km (0.092 R)
• M13: 14,398,795 km (0.09 R)
• M14: 25,755,218 km (0.027 R)
• M15: 31,642,194 km (0.089 R)
• M16: 34,339,144 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 664.9

Radius: 7.8

Gravity: 10.93 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.62 AU - 8.22 AU

Year: 12347 Days

Day: 23 Hours

Environment

Temp: -232 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 76,339,396 km

• M1: 97,239 km (0.114 R)
• M2: 379,380 km (0.116 R)
• M3: 1,077,553 km (0.099 R)
• M4: 1,511,088 km (0.093 R)
• M5: 2,092,276 km (0.117 R)
• M6: 2,335,971 km (0.115 R)
• M7: 2,705,029 km (0.108 R)
• M8: 3,041,774 km (0.061 R)
• M9: 3,381,361 km (0.109 R)
• M10: 3,827,462 km (0.097 R)
• M11: 4,253,067 km (0.108 R)
• M12: 5,404,073 km (0.104 R)
• M13: 6,164,629 km (0.062 R)
• M14: 6,790,547 km (0.051 R)
• M15: 7,202,689 km (0.102 R)
• M16: 7,896,823 km (0.071 R)
• M17: 8,260,346 km (0.085 R)
• M18: 9,069,820 km (0.116 R)
• M19: 9,468,498 km (0.105 R)
• M20: 10,301,010 km (0.057 R)
• M21: 11,992,214 km (0.101 R)
• M22: 13,344,579 km (0.086 R)
• M23: 20,110,442 km (0.113 R)
• M24: 21,307,524 km (0.051 R)
• M25: 22,551,430 km (0.073 R)
• M26: 26,371,412 km (0.044 R)
• M27: 26,877,202 km (0.067 R)
• M28: 27,596,319 km (0.07 R)
• M29: 27,908,530 km (0.103 R)
• M30: 30,159,529 km (0.107 R)
• M31: 31,839,663 km (0.051 R)
• M32: 37,507,178 km (0.085 R)
• M33: 40,243,473 km (0.084 R)
• M34: 42,277,555 km (0.114 R)
• M35: 44,521,673 km (0.079 R)
• M36: 46,109,804 km (0.12 R)
• M37: 46,991,833 km (0.084 R)
• M38: 51,100,538 km (0.111 R)
• M39: 53,483,483 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 553.7

Radius: 3.4

Gravity: 47.9 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 8.4 AU - 12.16 AU

Year: 22355 Days

Day: 18.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 76,339,396 km

• M1: 42,336 km (0.097 R)
• M2: 251,624 km (0.101 R)
• M3: 378,782 km (0.069 R)
• M4: 509,830 km (0.114 R)
• M5: 865,872 km (0.03 R)
• M6: 1,191,996 km (0.107 R)
• M7: 1,594,713 km (0.095 R)
• M8: 1,789,939 km (0.114 R)
• M9: 2,249,952 km (0.106 R)
• M10: 2,885,145 km (0.065 R)
• M11: 3,369,991 km (0.064 R)
• M12: 3,484,583 km (0.116 R)
• M13: 4,328,764 km (0.038 R)
• M14: 5,224,107 km (0.12 R)
• M15: 5,378,043 km (0.063 R)
• M16: 7,372,333 km (0.097 R)
• M17: 7,517,293 km (0.085 R)
• M18: 7,812,898 km (0.074 R)
• M19: 9,465,506 km (0.115 R)
• M20: 12,393,136 km (0.113 R)
• M21: 14,928,820 km (0.111 R)
• M22: 19,211,209 km (0.108 R)
• M23: 22,177,436 km (0.093 R)
• M24: 24,673,177 km (0.111 R)
• M25: 24,889,196 km (0.073 R)
• M26: 26,324,438 km (0.058 R)
• M27: 29,845,374 km (0.029 R)
• M28: 35,146,524 km (0.091 R)
• M29: 52,927,876 km (0.11 R)
• M30: 56,782,714 km (0.113 R)
• M31: 58,490,523 km (0.092 R)
• M32: 68,605,284 km (0.113 R)
• M33: 69,461,433 km (0.067 R)
• M34: 74,974,264 km (0.122 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 244 - 16,502 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit