🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831

Radius: 13.3

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.01 AU - 1.03 AU

Year: 724 Days

Day: 6.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,267,606 km

• M1: 167,101 km (0.115 R)
• M2: 480,060 km (0.119 R)
• M3: 732,132 km (0.09 R)
• M4: 1,103,135 km (0.068 R)
• M5: 1,430,604 km (0.109 R)
• M6: 1,946,119 km (0.083 R)
• M7: 2,477,042 km (0.088 R)
• M8: 2,928,079 km (0.082 R)
• M9: 3,366,251 km (0.099 R)
• M10: 3,624,756 km (0.113 R)
• M11: 3,927,542 km (0.109 R)
• M12: 4,219,408 km (0.052 R)
• M13: 4,683,760 km (0.096 R)
• M14: 5,120,586 km (0.107 R)
• M15: 5,373,406 km (0.102 R)
• M16: 5,715,686 km (0.1 R)
• M17: 5,997,379 km (0.095 R)
• M18: 6,522,018 km (0.09 R)
• M19: 6,823,308 km (0.049 R)
• M20: 7,240,986 km (0.104 R)
• M21: 7,719,998 km (0.092 R)
• M22: 7,981,944 km (0.069 R)
• M23: 8,248,228 km (0.045 R)
• M24: 8,570,312 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.7

Radius: 9.1

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.11 AU - 1.31 AU

Year: 936 Days

Day: 8.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,267,606 km

• M1: 113,246 km (0.073 R)
• M2: 292,015 km (0.063 R)
• M3: 497,712 km (0.063 R)
• M4: 702,212 km (0.119 R)
• M5: 902,823 km (0.118 R)
• M6: 1,152,203 km (0.08 R)
• M7: 1,457,682 km (0.073 R)
• M8: 1,747,154 km (0.099 R)
• M9: 2,118,605 km (0.119 R)
• M10: 2,325,499 km (0.094 R)
• M11: 2,505,764 km (0.098 R)
• M12: 2,715,949 km (0.105 R)
• M13: 2,903,246 km (0.068 R)
• M14: 3,138,115 km (0.099 R)
• M15: 3,348,300 km (0.096 R)
• M16: 3,817,139 km (0.112 R)
• M17: 4,445,450 km (0.106 R)
• M18: 5,283,647 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.2

Radius: 10.9

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.04 AU - 1.46 AU

Year: 982 Days

Day: 8.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,267,606 km

• M1: 136,732 km (0.108 R)
• M2: 347,815 km (0.08 R)
• M3: 850,464 km (0.097 R)
• M4: 1,707,360 km (0.095 R)
• M5: 1,997,431 km (0.09 R)
• M6: 2,451,909 km (0.1 R)
• M7: 2,839,667 km (0.1 R)
• M8: 3,185,687 km (0.081 R)
• M9: 3,477,552 km (0.084 R)
• M10: 3,738,301 km (0.094 R)
• M11: 4,101,226 km (0.063 R)
• M12: 4,384,714 km (0.028 R)
• M13: 5,007,041 km (0.119 R)
• M14: 7,190,721 km (0.067 R)
• M15: 8,250,023 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.4

Radius: 11.1

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.15 AU - 2.27 AU

Year: 2309 Days

Day: 11.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,267,606 km

• M1: 144,811 km (0.075 R)
• M2: 402,568 km (0.081 R)
• M3: 657,632 km (0.05 R)
• M4: 1,872,517 km (0.117 R)
• M5: 2,616,018 km (0.109 R)
• M6: 3,888,348 km (0.077 R)
• M7: 4,290,916 km (0.117 R)
• M8: 4,916,384 km (0.09 R)
• M9: 6,493,595 km (0.113 R)
• M10: 9,139,832 km (0.076 R)
• M11: 9,830,674 km (0.054 R)
• M12: 10,521,817 km (0.084 R)
• M13: 12,083,319 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.5

Radius: 12.3

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.11 AU - 2.31 AU

Year: 2309 Days

Day: 6.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 84,267,606 km

• M1: 155,582 km (0.114 R)
• M2: 458,368 km (0.104 R)
• M3: 1,014,722 km (0.062 R)
• M4: 1,272,031 km (0.119 R)
• M5: 1,562,849 km (0.069 R)
• M6: 1,797,418 km (0.09 R)
• M7: 2,158,697 km (0.066 R)
• M8: 2,650,425 km (0.114 R)
• M9: 3,150,830 km (0.114 R)
• M10: 3,600,073 km (0.032 R)
• M11: 3,961,950 km (0.08 R)
• M12: 4,556,452 km (0.089 R)
• M13: 4,926,407 km (0.1 R)
• M14: 6,511,397 km (0.093 R)
• M15: 7,044,713 km (0.099 R)
• M16: 10,978,240 km (0.083 R)
• M17: 11,350,738 km (0.056 R)
• M18: 11,729,520 km (0.049 R)
• M19: 11,995,505 km (0.12 R)
• M20: 13,339,193 km (0.039 R)
• M21: 14,329,082 km (0.095 R)
• M22: 14,590,430 km (0.083 R)
• M23: 14,887,232 km (0.114 R)
• M24: 15,727,673 km (0.051 R)
• M25: 17,049,520 km (0.108 R)
• M26: 18,021,607 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.1

Radius: 9.7

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.4 AU - 3.86 AU

Year: 3892 Days

Day: 5.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,267,606 km

• M1: 122,969 km (0.086 R)
• M2: 389,553 km (0.089 R)
• M3: 825,032 km (0.069 R)
• M4: 1,270,236 km (0.112 R)
• M5: 1,666,969 km (0.092 R)
• M6: 1,858,454 km (0.103 R)
• M7: 2,147,627 km (0.033 R)
• M8: 3,624,756 km (0.104 R)
• M9: 3,944,297 km (0.032 R)
• M10: 4,170,938 km (0.069 R)
• M11: 5,688,609 km (0.067 R)
• M12: 5,961,475 km (0.116 R)
• M13: 6,175,849 km (0.08 R)
• M14: 6,773,792 km (0.03 R)
• M15: 7,542,874 km (0.081 R)
• M16: 9,744,805 km (0.108 R)
• M17: 10,019,317 km (0.058 R)
• M18: 10,608,434 km (0.095 R)
• M19: 12,540,042 km (0.085 R)
• M20: 12,726,590 km (0.051 R)
• M21: 13,422,370 km (0.12 R)
• M22: 14,235,733 km (0.084 R)
• M23: 16,180,506 km (0.051 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.1

Radius: 9.9

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.63 AU - 4.43 AU

Year: 5687 Days

Day: 13 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,267,606 km

• M1: 171,738 km (0.102 R)
• M2: 493,673 km (0.064 R)
• M3: 872,904 km (0.101 R)
• M4: 1,127,818 km (0.099 R)
• M5: 1,871,918 km (0.113 R)
• M6: 2,752,601 km (0.12 R)
• M7: 3,995,759 km (0.096 R)
• M8: 4,247,532 km (0.1 R)
• M9: 7,007,763 km (0.083 R)
• M10: 7,455,509 km (0.101 R)
• M11: 10,845,995 km (0.089 R)
• M12: 11,722,489 km (0.104 R)
• M13: 11,973,963 km (0.089 R)
• M14: 12,338,084 km (0.117 R)
• M15: 16,578,286 km (0.12 R)
• M16: 17,179,670 km (0.052 R)
• M17: 18,325,290 km (0.1 R)
• M18: 18,821,207 km (0.094 R)
• M19: 19,323,856 km (0.035 R)
• M20: 26,679,434 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.3

Radius: 6.4

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 9.2 AU - 9.74 AU

Year: 20485 Days

Day: 21.5 Hours

Environment

Temp: -244 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 84,267,606 km

• M1: 97,538 km (0.115 R)
• M2: 223,200 km (0.09 R)
• M3: 516,711 km (0.114 R)
• M4: 676,631 km (0.102 R)
• M5: 1,422,825 km (0.054 R)
• M6: 1,731,446 km (0.098 R)
• M7: 2,093,173 km (0.11 R)
• M8: 2,848,942 km (0.117 R)
• M9: 3,446,885 km (0.115 R)
• M10: 4,163,010 km (0.116 R)
• M11: 5,731,394 km (0.059 R)
• M12: 5,873,512 km (0.11 R)
• M13: 6,497,484 km (0.095 R)
• M14: 7,799,883 km (0.089 R)
• M15: 9,043,490 km (0.107 R)
• M16: 12,690,387 km (0.114 R)
• M17: 16,054,993 km (0.074 R)
• M18: 16,233,613 km (0.045 R)
• M19: 17,949,052 km (0.086 R)
• M20: 19,816,931 km (0.106 R)
• M21: 20,684,449 km (0.076 R)
• M22: 25,301,637 km (0.111 R)
• M23: 27,047,145 km (0.066 R)
• M24: 29,492,173 km (0.066 R)
• M25: 29,977,618 km (0.118 R)
• M26: 35,935,204 km (0.081 R)
• M27: 36,560,672 km (0.03 R)
• M28: 39,116,851 km (0.12 R)
• M29: 40,238,686 km (0.104 R)
• M30: 41,281,233 km (0.102 R)
• M31: 44,587,645 km (0.105 R)
• M32: 46,795,261 km (0.094 R)
• M33: 51,264,198 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802.8

Radius: 6.9

Gravity: 16.86 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 8.73 AU - 10.85 AU

Year: 21532 Days

Day: 19.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 84,267,606 km

• M1: 104,719 km (0.117 R)
• M2: 1,298,061 km (0.062 R)
• M3: 1,552,527 km (0.055 R)
• M4: 2,966,975 km (0.109 R)
• M5: 3,124,800 km (0.068 R)
• M6: 3,658,117 km (0.093 R)
• M7: 4,577,844 km (0.076 R)
• M8: 8,545,180 km (0.103 R)
• M9: 9,703,067 km (0.053 R)
• M10: 10,874,868 km (0.063 R)
• M11: 13,893,753 km (0.067 R)
• M12: 15,006,312 km (0.117 R)
• M13: 19,805,860 km (0.097 R)
• M14: 26,863,738 km (0.113 R)
• M15: 27,628,782 km (0.12 R)
• M16: 39,701,480 km (0.113 R)
• M17: 40,281,022 km (0.081 R)
• M18: 46,558,298 km (0.089 R)
• M19: 48,581,310 km (0.096 R)
• M20: 50,386,807 km (0.116 R)
• M21: 55,590,569 km (0.114 R)
• M22: 58,498,602 km (0.1 R)
• M23: 58,920,169 km (0.101 R)
• M24: 75,899,976 km (0.077 R)
• M25: 78,153,368 km (0.118 R)
• M26: 84,267,583 km (0.117 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 20,069 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit