🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.18 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.2

Radius: 9.3

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.21 AU - 2.49 AU

Year: 2326 Days

Day: 14.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,668,615 km

• M1: 116,986 km (0.114 R)
• M2: 427,551 km (0.057 R)
• M3: 877,691 km (0.09 R)
• M4: 1,670,859 km (0.066 R)
• M5: 2,016,280 km (0.096 R)
• M6: 3,017,539 km (0.06 R)
• M7: 3,850,200 km (0.075 R)
• M8: 4,458,765 km (0.117 R)
• M9: 4,828,570 km (0.067 R)
• M10: 5,747,849 km (0.113 R)
• M11: 6,362,996 km (0.118 R)
• M12: 6,805,955 km (0.077 R)
• M13: 8,138,573 km (0.032 R)
• M14: 11,577,080 km (0.043 R)
• M15: 14,109,772 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465

Radius: 8.2

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.58 AU - 3.3 AU

Year: 3255 Days

Day: 8.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,668,615 km

• M1: 102,026 km (0.085 R)
• M2: 411,843 km (0.096 R)
• M3: 757,863 km (0.107 R)
• M4: 1,342,790 km (0.097 R)
• M5: 1,689,708 km (0.106 R)
• M6: 4,216,416 km (0.034 R)
• M7: 4,603,276 km (0.091 R)
• M8: 6,560,315 km (0.055 R)
• M9: 8,468,287 km (0.069 R)
• M10: 10,758,630 km (0.076 R)
• M11: 16,364,212 km (0.052 R)
• M12: 17,537,957 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.6

Radius: 9.2

Gravity: 11.69 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.87 AU - 3.39 AU

Year: 3575 Days

Day: 10.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,668,615 km

• M1: 130,001 km (0.055 R)
• M2: 499,657 km (0.09 R)
• M3: 798,105 km (0.093 R)
• M4: 1,164,021 km (0.083 R)
• M5: 1,491,341 km (0.093 R)
• M6: 2,290,643 km (0.118 R)
• M7: 5,201,518 km (0.072 R)
• M8: 6,015,181 km (0.118 R)
• M9: 6,345,194 km (0.103 R)
• M10: 6,750,754 km (0.049 R)
• M11: 7,140,306 km (0.083 R)
• M12: 7,964,740 km (0.075 R)
• M13: 9,044,089 km (0.046 R)
• M14: 10,515,982 km (0.087 R)
• M15: 11,263,822 km (0.09 R)
• M16: 12,816,349 km (0.065 R)
• M17: 14,883,642 km (0.097 R)
• M18: 16,748,978 km (0.104 R)
• M19: 17,104,123 km (0.036 R)
• M20: 17,890,858 km (0.09 R)
• M21: 18,324,393 km (0.103 R)
• M22: 20,733,666 km (0.114 R)
• M23: 21,627,963 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.3

Radius: 14.8

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.21 AU - 3.29 AU

Year: 3783 Days

Day: 6.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,668,615 km

• M1: 192,084 km (0.116 R)
• M2: 891,454 km (0.117 R)
• M3: 1,362,537 km (0.081 R)
• M4: 2,114,267 km (0.079 R)
• M5: 3,205,733 km (0.063 R)
• M6: 3,671,880 km (0.086 R)
• M7: 4,341,779 km (0.031 R)
• M8: 5,731,693 km (0.084 R)
• M9: 6,948,522 km (0.093 R)
• M10: 7,467,776 km (0.044 R)
• M11: 8,439,265 km (0.032 R)
• M12: 9,031,373 km (0.105 R)
• M13: 9,810,479 km (0.106 R)
• M14: 10,761,472 km (0.11 R)
• M15: 11,727,725 km (0.064 R)
• M16: 13,235,821 km (0.086 R)
• M17: 15,136,761 km (0.09 R)
• M18: 15,735,452 km (0.097 R)
• M19: 22,554,273 km (0.034 R)
• M20: 23,264,414 km (0.105 R)
• M21: 24,357,376 km (0.052 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721.9

Radius: 7.4

Gravity: 13.18 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 7.04 AU - 7.66 AU

Year: 12866 Days

Day: 16.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,668,615 km

• M1: 92,751 km (0.084 R)
• M2: 519,254 km (0.104 R)
• M3: 1,128,118 km (0.079 R)
• M4: 1,541,157 km (0.115 R)
• M5: 2,691,266 km (0.063 R)
• M6: 3,033,845 km (0.05 R)
• M7: 3,535,746 km (0.094 R)
• M8: 4,360,329 km (0.104 R)
• M9: 4,966,051 km (0.035 R)
• M10: 5,736,181 km (0.113 R)
• M11: 7,555,740 km (0.069 R)
• M12: 13,492,681 km (0.075 R)
• M13: 18,206,510 km (0.113 R)
• M14: 18,528,145 km (0.042 R)
• M15: 19,265,513 km (0.075 R)
• M16: 20,193,020 km (0.091 R)
• M17: 22,780,913 km (0.031 R)
• M18: 27,012,588 km (0.086 R)
• M19: 27,853,927 km (0.117 R)
• M20: 28,604,160 km (0.077 R)
• M21: 30,033,119 km (0.114 R)
• M22: 32,558,929 km (0.104 R)
• M23: 33,873,296 km (0.087 R)
• M24: 43,792,383 km (0.071 R)
• M25: 51,381,184 km (0.076 R)
• M26: 55,316,356 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533

Radius: 5.3

Gravity: 18.97 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 7.93 AU - 9.57 AU

Year: 16712 Days

Day: 23.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 55,668,615 km

• M1: 66,272 km (0.066 R)
• M2: 421,567 km (0.097 R)
• M3: 608,115 km (0.028 R)
• M4: 850,464 km (0.11 R)
• M5: 1,313,918 km (0.057 R)
• M6: 1,757,326 km (0.083 R)
• M7: 2,060,262 km (0.119 R)
• M8: 2,482,128 km (0.077 R)
• M9: 3,258,690 km (0.109 R)
• M10: 3,688,635 km (0.112 R)
• M11: 3,917,370 km (0.047 R)
• M12: 4,530,871 km (0.055 R)
• M13: 5,385,224 km (0.115 R)
• M14: 6,301,810 km (0.114 R)
• M15: 6,670,868 km (0.071 R)
• M16: 7,318,029 km (0.097 R)
• M17: 7,542,725 km (0.104 R)
• M18: 8,488,034 km (0.069 R)
• M19: 11,016,238 km (0.118 R)
• M20: 11,551,648 km (0.106 R)
• M21: 12,229,626 km (0.117 R)
• M22: 13,130,205 km (0.12 R)
• M23: 13,395,442 km (0.06 R)
• M24: 13,868,321 km (0.094 R)
• M25: 19,055,478 km (0.103 R)
• M26: 20,707,188 km (0.033 R)
• M27: 21,521,898 km (0.111 R)
• M28: 21,798,055 km (0.04 R)
• M29: 22,170,105 km (0.091 R)
• M30: 23,311,537 km (0.088 R)
• M31: 24,893,684 km (0.11 R)
• M32: 29,838,791 km (0.073 R)
• M33: 32,904,201 km (0.08 R)
• M34: 38,559,001 km (0.118 R)
• M35: 41,047,711 km (0.097 R)
• M36: 55,109,462 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199.3

Radius: 6.6

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 9.57 AU - 12.21 AU

Year: 23204 Days

Day: 22.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,668,615 km

• M1: 83,326 km (0.114 R)
• M2: 327,320 km (0.083 R)
• M3: 619,186 km (0.072 R)
• M4: 1,003,802 km (0.052 R)
• M5: 1,263,504 km (0.05 R)
• M6: 2,897,711 km (0.102 R)
• M7: 3,857,381 km (0.114 R)
• M8: 4,563,483 km (0.087 R)
• M9: 5,563,545 km (0.118 R)
• M10: 6,542,064 km (0.031 R)
• M11: 11,850,246 km (0.073 R)
• M12: 18,184,369 km (0.109 R)
• M13: 22,063,592 km (0.108 R)
• M14: 25,261,994 km (0.117 R)
• M15: 28,012,052 km (0.101 R)
• M16: 36,183,387 km (0.115 R)
• M17: 36,559,924 km (0.117 R)
• M18: 41,832,501 km (0.099 R)
• M19: 44,505,666 km (0.1 R)
• M20: 45,664,451 km (0.115 R)
• M21: 50,189,338 km (0.111 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 549 - 17,455 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit