🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.8

Radius: 10.1

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.18 AU - 1.38 AU

Year: 966 Days

Day: 9.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 88,384,157 km

• M1: 125,662 km (0.098 R)
• M2: 688,898 km (0.077 R)
• M3: 1,038,957 km (0.1 R)
• M4: 1,432,699 km (0.037 R)
• M5: 2,406,282 km (0.057 R)
• M6: 3,282,925 km (0.079 R)
• M7: 3,772,410 km (0.045 R)
• M8: 4,114,540 km (0.108 R)
• M9: 4,825,878 km (0.073 R)
• M10: 6,254,986 km (0.064 R)
• M11: 7,218,696 km (0.098 R)
• M12: 9,467,301 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.2

Radius: 11.1

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.07 AU - 1.53 AU

Year: 988 Days

Day: 5.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,384,157 km

• M1: 138,079 km (0.092 R)
• M2: 508,633 km (0.084 R)
• M3: 1,012,478 km (0.032 R)
• M4: 1,509,742 km (0.12 R)
• M5: 3,033,994 km (0.108 R)
• M6: 4,501,699 km (0.084 R)
• M7: 6,604,896 km (0.091 R)
• M8: 7,356,924 km (0.097 R)
• M9: 8,549,070 km (0.117 R)
• M10: 9,031,373 km (0.109 R)
• M11: 9,382,778 km (0.107 R)
• M12: 9,835,013 km (0.043 R)
• M13: 11,178,701 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.8

Radius: 13.7

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.02 AU - 1.66 AU

Year: 1034 Days

Day: 11.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,384,157 km

• M1: 170,392 km (0.084 R)
• M2: 679,773 km (0.088 R)
• M3: 1,288,786 km (0.09 R)
• M4: 2,203,277 km (0.114 R)
• M5: 2,662,543 km (0.066 R)
• M6: 3,146,342 km (0.106 R)
• M7: 3,748,324 km (0.089 R)
• M8: 4,595,647 km (0.084 R)
• M9: 5,260,160 km (0.09 R)
• M10: 6,217,138 km (0.119 R)
• M11: 6,782,319 km (0.091 R)
• M12: 7,817,087 km (0.114 R)
• M13: 8,555,053 km (0.114 R)
• M14: 9,283,296 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.8

Radius: 8

Gravity: 14.78 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.13 AU - 3.17 AU

Year: 2877 Days

Day: 13.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 88,384,157 km

• M1: 101,128 km (0.091 R)
• M2: 530,474 km (0.067 R)
• M3: 809,624 km (0.115 R)
• M4: 1,370,316 km (0.091 R)
• M5: 1,840,054 km (0.097 R)
• M6: 2,660,748 km (0.105 R)
• M7: 3,135,721 km (0.065 R)
• M8: 3,746,379 km (0.089 R)
• M9: 4,904,566 km (0.08 R)
• M10: 5,382,232 km (0.052 R)
• M11: 5,973,742 km (0.113 R)
• M12: 6,256,482 km (0.076 R)
• M13: 6,849,189 km (0.028 R)
• M14: 7,349,743 km (0.053 R)
• M15: 7,908,043 km (0.075 R)
• M16: 8,494,317 km (0.111 R)
• M17: 10,755,489 km (0.05 R)
• M18: 11,217,447 km (0.077 R)
• M19: 13,582,888 km (0.107 R)
• M20: 13,974,236 km (0.114 R)
• M21: 14,372,915 km (0.061 R)
• M22: 15,614,876 km (0.12 R)
• M23: 16,098,676 km (0.118 R)
• M24: 16,371,692 km (0.07 R)
• M25: 17,899,834 km (0.114 R)
• M26: 18,489,100 km (0.079 R)
• M27: 22,098,448 km (0.115 R)
• M28: 22,845,240 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.7

Radius: 10.6

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.01 AU - 3.11 AU

Year: 3570 Days

Day: 6.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 66.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 88,384,157 km

• M1: 131,796 km (0.03 R)
• M2: 587,022 km (0.116 R)
• M3: 1,484,460 km (0.045 R)
• M4: 1,996,084 km (0.09 R)
• M5: 2,590,736 km (0.065 R)
• M6: 3,511,511 km (0.113 R)
• M7: 4,472,976 km (0.085 R)
• M8: 4,978,019 km (0.088 R)
• M9: 6,247,057 km (0.111 R)
• M10: 7,067,602 km (0.11 R)
• M11: 8,665,008 km (0.107 R)
• M12: 8,996,517 km (0.096 R)
• M13: 10,122,839 km (0.097 R)
• M14: 11,782,478 km (0.11 R)
• M15: 12,281,686 km (0.033 R)
• M16: 14,421,235 km (0.081 R)
• M17: 15,045,507 km (0.115 R)
• M18: 16,292,106 km (0.058 R)
• M19: 16,798,345 km (0.111 R)
• M20: 20,251,213 km (0.071 R)
• M21: 20,902,263 km (0.07 R)
• M22: 22,109,219 km (0.066 R)
• M23: 23,150,121 km (0.111 R)
• M24: 23,575,577 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.9

Radius: 12

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.42 AU - 3.46 AU

Year: 4255 Days

Day: 5.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,384,157 km

• M1: 151,842 km (0.062 R)
• M2: 630,106 km (0.044 R)
• M3: 1,124,826 km (0.112 R)
• M4: 1,552,676 km (0.067 R)
• M5: 3,287,712 km (0.106 R)
• M6: 3,697,461 km (0.089 R)
• M7: 5,587,929 km (0.083 R)
• M8: 6,202,627 km (0.061 R)
• M9: 9,268,037 km (0.103 R)
• M10: 9,862,539 km (0.102 R)
• M11: 12,768,029 km (0.119 R)
• M12: 13,411,150 km (0.111 R)
• M13: 14,613,169 km (0.118 R)
• M14: 15,419,352 km (0.113 R)
• M15: 15,938,008 km (0.104 R)
• M16: 16,738,057 km (0.098 R)
• M17: 17,230,683 km (0.106 R)
• M18: 20,269,464 km (0.119 R)
• M19: 20,704,196 km (0.114 R)
• M20: 21,208,640 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.4

Radius: 12.9

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.69 AU - 3.85 AU

Year: 4881 Days

Day: 5.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,384,157 km

• M1: 160,369 km (0.06 R)
• M2: 570,417 km (0.085 R)
• M3: 1,369,419 km (0.102 R)
• M4: 1,875,957 km (0.111 R)
• M5: 2,305,154 km (0.118 R)
• M6: 3,786,472 km (0.106 R)
• M7: 4,349,408 km (0.077 R)
• M8: 5,696,238 km (0.088 R)
• M9: 6,183,628 km (0.113 R)
• M10: 7,058,177 km (0.1 R)
• M11: 8,909,451 km (0.097 R)
• M12: 11,231,808 km (0.11 R)
• M13: 12,488,131 km (0.063 R)
• M14: 13,034,612 km (0.116 R)
• M15: 15,485,324 km (0.117 R)
• M16: 16,874,490 km (0.111 R)
• M17: 17,826,681 km (0.097 R)
• M18: 19,171,566 km (0.054 R)
• M19: 19,899,658 km (0.116 R)
• M20: 21,997,021 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.1

Radius: 11.2

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.67 AU - 4.95 AU

Year: 5967 Days

Day: 10.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 88,384,157 km

• M1: 140,323 km (0.067 R)
• M2: 493,823 km (0.09 R)
• M3: 950,545 km (0.058 R)
• M4: 1,714,691 km (0.117 R)
• M5: 2,283,611 km (0.036 R)
• M6: 2,663,141 km (0.09 R)
• M7: 3,273,650 km (0.065 R)
• M8: 4,223,297 km (0.092 R)
• M9: 4,626,613 km (0.077 R)
• M10: 5,820,554 km (0.105 R)
• M11: 9,311,271 km (0.105 R)
• M12: 12,596,889 km (0.117 R)
• M13: 13,437,030 km (0.063 R)
• M14: 14,472,846 km (0.039 R)
• M15: 15,339,018 km (0.073 R)
• M16: 16,011,161 km (0.091 R)
• M17: 16,761,394 km (0.082 R)
• M18: 17,234,572 km (0.08 R)
• M19: 18,269,790 km (0.052 R)
• M20: 20,800,686 km (0.073 R)
• M21: 21,485,545 km (0.097 R)
• M22: 22,044,293 km (0.109 R)
• M23: 22,398,392 km (0.088 R)
• M24: 27,110,276 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915.4

Radius: 5.9

Gravity: 26.3 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 8.26 AU - 12.1 AU

Year: 21660 Days

Day: 23.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 88,384,157 km

• M1: 86,468 km (0.092 R)
• M2: 371,452 km (0.058 R)
• M3: 1,792,332 km (0.113 R)
• M4: 3,104,904 km (0.114 R)
• M5: 3,513,755 km (0.05 R)
• M6: 4,805,233 km (0.085 R)
• M7: 6,662,940 km (0.117 R)
• M8: 6,948,821 km (0.104 R)
• M9: 7,960,851 km (0.079 R)
• M10: 8,838,541 km (0.067 R)
• M11: 12,065,667 km (0.106 R)
• M12: 13,146,511 km (0.098 R)
• M13: 13,825,237 km (0.073 R)
• M14: 15,089,040 km (0.077 R)
• M15: 21,841,289 km (0.089 R)
• M16: 29,084,220 km (0.041 R)
• M17: 30,234,328 km (0.12 R)
• M18: 30,624,330 km (0.111 R)
• M19: 32,488,918 km (0.102 R)
• M20: 35,138,595 km (0.119 R)
• M21: 49,122,256 km (0.071 R)
• M22: 52,228,805 km (0.087 R)
• M23: 67,282,091 km (0.078 R)
• M24: 67,724,751 km (0.082 R)
• M25: 75,073,747 km (0.218 R)
• M26: 77,961,135 km (0.041 R)
• M27: 86,542,518 km (0.085 R)
• M28: 88,384,217 km (0.032 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 16,452 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit