🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.3

Radius: 11.4

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.5 AU - 0.52 AU

Year: 243 Days

Day: 9.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,932,659 km

• M1: 145,858 km (0.082 R)
• M2: 374,593 km (0.089 R)
• M3: 601,533 km (0.073 R)
• M4: 840,890 km (0.041 R)
• M5: 1,557,164 km (0.085 R)
• M6: 2,026,154 km (0.067 R)
• M7: 2,297,973 km (0.095 R)
• M8: 2,987,021 km (0.116 R)
• M9: 3,201,394 km (0.098 R)
• M10: 3,560,579 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.4

Radius: 11.2

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.69 AU - 0.83 AU

Year: 442 Days

Day: 5.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,932,659 km

• M1: 175,478 km (0.1 R)
• M2: 429,495 km (0.117 R)
• M3: 656,435 km (0.095 R)
• M4: 1,517,072 km (0.107 R)
• M5: 1,784,254 km (0.082 R)
• M6: 2,033,933 km (0.072 R)
• M7: 2,524,763 km (0.078 R)
• M8: 2,775,190 km (0.06 R)
• M9: 3,750,568 km (0.1 R)
• M10: 3,989,177 km (0.104 R)
• M11: 4,687,350 km (0.075 R)
• M12: 4,954,681 km (0.074 R)
• M13: 5,546,640 km (0.062 R)
• M14: 5,825,939 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.2

Radius: 8.8

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.83 AU - 0.83 AU

Year: 504 Days

Day: 14.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,932,659 km

• M1: 109,655 km (0.053 R)
• M2: 296,802 km (0.107 R)
• M3: 480,957 km (0.074 R)
• M4: 776,862 km (0.115 R)
• M5: 959,371 km (0.113 R)
• M6: 1,333,366 km (0.054 R)
• M7: 1,576,762 km (0.032 R)
• M8: 1,775,428 km (0.118 R)
• M9: 1,979,629 km (0.092 R)
• M10: 2,431,265 km (0.114 R)
• M11: 2,720,736 km (0.102 R)
• M12: 2,905,939 km (0.058 R)
• M13: 3,142,004 km (0.11 R)
• M14: 3,406,194 km (0.103 R)
• M15: 3,857,830 km (0.031 R)
• M16: 4,130,397 km (0.036 R)
• M17: 4,306,773 km (0.073 R)
• M18: 4,627,511 km (0.112 R)
• M19: 5,386,421 km (0.085 R)
• M20: 5,745,306 km (0.064 R)
• M21: 6,242,121 km (0.108 R)
• M22: 6,446,771 km (0.04 R)
• M23: 6,654,712 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.9

Radius: 9.2

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.79 AU - 0.89 AU

Year: 513 Days

Day: 8 Hours

Environment

Temp: -171 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,932,659 km

• M1: 117,135 km (0.119 R)
• M2: 292,464 km (0.103 R)
• M3: 640,877 km (0.056 R)
• M4: 814,411 km (0.066 R)
• M5: 1,298,958 km (0.109 R)
• M6: 1,570,927 km (0.078 R)
• M7: 2,263,565 km (0.101 R)
• M8: 2,486,167 km (0.055 R)
• M9: 2,711,611 km (0.093 R)
• M10: 2,889,632 km (0.119 R)
• M11: 3,107,597 km (0.101 R)
• M12: 3,315,986 km (0.052 R)
• M13: 3,558,933 km (0.081 R)
• M14: 3,820,131 km (0.094 R)
• M15: 4,140,420 km (0.039 R)
• M16: 4,391,745 km (0.108 R)
• M17: 4,661,320 km (0.071 R)
• M18: 4,949,894 km (0.112 R)
• M19: 5,337,353 km (0.08 R)
• M20: 5,611,566 km (0.073 R)
• M21: 6,012,039 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.5

Radius: 9.1

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.89 AU - 1.11 AU

Year: 667 Days

Day: 14.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,932,659 km

• M1: 114,143 km (0.042 R)
• M2: 336,894 km (0.075 R)
• M3: 559,795 km (0.114 R)
• M4: 914,043 km (0.045 R)
• M5: 1,199,326 km (0.111 R)
• M6: 1,435,092 km (0.108 R)
• M7: 1,630,766 km (0.077 R)
• M8: 1,839,904 km (0.119 R)
• M9: 2,118,156 km (0.078 R)
• M10: 2,290,194 km (0.115 R)
• M11: 2,486,616 km (0.085 R)
• M12: 2,923,890 km (0.097 R)
• M13: 3,146,492 km (0.036 R)
• M14: 3,398,116 km (0.105 R)
• M15: 3,585,562 km (0.096 R)
• M16: 4,031,812 km (0.095 R)
• M17: 5,401,082 km (0.068 R)
• M18: 5,785,548 km (0.109 R)
• M19: 6,044,801 km (0.05 R)
• M20: 6,309,739 km (0.068 R)
• M21: 6,945,680 km (0.081 R)
• M22: 7,124,449 km (0.066 R)
• M23: 7,442,943 km (0.034 R)
• M24: 8,021,288 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.1

Radius: 8.7

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.11 AU - 1.59 AU

Year: 1046 Days

Day: 13.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,932,659 km

• M1: 213,626 km (0.117 R)
• M2: 529,726 km (0.113 R)
• M3: 992,731 km (0.114 R)
• M4: 1,210,097 km (0.092 R)
• M5: 1,381,836 km (0.077 R)
• M6: 1,809,985 km (0.047 R)
• M7: 2,072,828 km (0.103 R)
• M8: 2,752,451 km (0.094 R)
• M9: 3,015,295 km (0.111 R)
• M10: 3,258,092 km (0.103 R)
• M11: 3,510,613 km (0.107 R)
• M12: 4,339,236 km (0.059 R)
• M13: 4,787,281 km (0.033 R)
• M14: 5,189,401 km (0.087 R)
• M15: 5,494,730 km (0.078 R)
• M16: 6,072,776 km (0.068 R)
• M17: 6,525,609 km (0.067 R)
• M18: 6,947,325 km (0.119 R)
• M19: 8,171,933 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.6

Radius: 9.8

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.64 AU - 2.3 AU

Year: 1844 Days

Day: 6.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,932,659 km

• M1: 125,064 km (0.093 R)
• M2: 347,965 km (0.056 R)
• M3: 671,545 km (0.062 R)
• M4: 879,336 km (0.035 R)
• M5: 1,305,391 km (0.103 R)
• M6: 1,784,254 km (0.103 R)
• M7: 2,237,535 km (0.048 R)
• M8: 2,565,903 km (0.049 R)
• M9: 2,944,984 km (0.101 R)
• M10: 3,527,368 km (0.104 R)
• M11: 4,180,512 km (0.052 R)
• M12: 4,665,060 km (0.112 R)
• M13: 4,855,947 km (0.105 R)
• M14: 5,231,288 km (0.07 R)
• M15: 5,526,893 km (0.076 R)
• M16: 5,927,516 km (0.091 R)
• M17: 6,647,531 km (0.118 R)
• M18: 6,834,080 km (0.082 R)
• M19: 7,065,807 km (0.12 R)
• M20: 7,496,948 km (0.076 R)
• M21: 7,761,886 km (0.094 R)
• M22: 8,916,183 km (0.072 R)
• M23: 9,327,128 km (0.09 R)
• M24: 9,722,515 km (0.084 R)
• M25: 11,171,670 km (0.08 R)
• M26: 15,365,646 km (0.117 R)
• M27: 15,905,246 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 458.9

Radius: 7

Gravity: 9.37 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 8.09 AU - 8.27 AU

Year: 15601 Days

Day: 18.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 79,932,659 km

• M1: 87,964 km (0.116 R)
• M2: 317,746 km (0.118 R)
• M3: 465,848 km (0.081 R)
• M4: 967,150 km (0.1 R)
• M5: 1,271,432 km (0.094 R)
• M6: 1,547,141 km (0.063 R)
• M7: 3,224,433 km (0.102 R)
• M8: 4,503,345 km (0.108 R)
• M9: 4,726,994 km (0.106 R)
• M10: 4,922,967 km (0.078 R)
• M11: 5,891,463 km (0.105 R)
• M12: 7,674,221 km (0.084 R)
• M13: 7,966,386 km (0.107 R)
• M14: 8,393,338 km (0.096 R)
• M15: 8,654,985 km (0.048 R)
• M16: 10,213,944 km (0.093 R)
• M17: 12,957,719 km (0.097 R)
• M18: 14,057,263 km (0.114 R)
• M19: 14,282,558 km (0.057 R)
• M20: 14,738,681 km (0.11 R)
• M21: 15,085,449 km (0.095 R)
• M22: 15,970,171 km (0.074 R)
• M23: 17,689,350 km (0.09 R)
• M24: 18,517,524 km (0.114 R)
• M25: 22,091,267 km (0.099 R)
• M26: 26,364,680 km (0.12 R)
• M27: 26,596,108 km (0.116 R)
• M28: 27,139,747 km (0.103 R)
• M29: 28,084,756 km (0.095 R)
• M30: 30,850,372 km (0.118 R)
• M31: 32,282,024 km (0.065 R)
• M32: 33,312,304 km (0.111 R)
• M33: 39,644,932 km (0.059 R)
• M34: 40,023,414 km (0.078 R)
• M35: 42,723,805 km (0.067 R)
• M36: 44,406,333 km (0.087 R)
• M37: 53,526,567 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.5

Radius: 7.1

Gravity: 10.78 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 8.39 AU - 11.53 AU

Year: 20961 Days

Day: 18.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 79,932,659 km

• M1: 90,058 km (0.073 R)
• M2: 1,511,088 km (0.044 R)
• M3: 2,572,784 km (0.12 R)
• M4: 4,445,600 km (0.048 R)
• M5: 5,861,095 km (0.103 R)
• M6: 8,930,095 km (0.081 R)
• M7: 9,972,493 km (0.119 R)
• M8: 11,936,414 km (0.082 R)
• M9: 12,650,744 km (0.093 R)
• M10: 14,014,628 km (0.049 R)
• M11: 14,592,823 km (0.109 R)
• M12: 16,674,328 km (0.109 R)
• M13: 17,446,552 km (0.081 R)
• M14: 17,803,343 km (0.078 R)
• M15: 20,325,713 km (0.093 R)
• M16: 22,287,540 km (0.045 R)
• M17: 23,261,422 km (0.106 R)
• M18: 23,673,414 km (0.054 R)
• M19: 25,873,999 km (0.068 R)
• M20: 28,808,660 km (0.05 R)
• M21: 31,327,141 km (0.12 R)
• M22: 32,286,811 km (0.047 R)
• M23: 33,163,006 km (0.118 R)
• M24: 35,151,909 km (0.108 R)
• M25: 35,760,025 km (0.06 R)
• M26: 36,991,664 km (0.078 R)
• M27: 38,772,477 km (0.061 R)
• M28: 39,517,923 km (0.059 R)
• M29: 41,357,827 km (0.107 R)
• M30: 44,140,049 km (0.045 R)
• M31: 47,129,612 km (0.103 R)
• M32: 47,715,737 km (0.066 R)
• M33: 51,798,113 km (0.114 R)
• M34: 53,902,058 km (0.119 R)
• M35: 56,559,215 km (0.095 R)
• M36: 58,496,358 km (0.11 R)
• M37: 59,411,448 km (0.069 R)
• M38: 64,503,610 km (0.086 R)
• M39: 65,602,406 km (0.113 R)
• M40: 67,547,627 km (0.101 R)
• M41: 69,947,776 km (0.116 R)
• M42: 72,100,489 km (0.073 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551.6

Radius: 6.4

Gravity: 13.47 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 9.45 AU - 12.35 AU

Year: 23998 Days

Day: 18.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,932,659 km

• M1: 295,456 km (0.118 R)
• M2: 459,714 km (0.102 R)
• M3: 656,585 km (0.062 R)
• M4: 2,414,510 km (0.062 R)
• M5: 5,271,979 km (0.06 R)
• M6: 5,815,019 km (0.084 R)
• M7: 7,507,868 km (0.087 R)
• M8: 9,148,359 km (0.058 R)
• M9: 15,609,491 km (0.077 R)
• M10: 17,719,120 km (0.112 R)
• M11: 20,930,836 km (0.1 R)
• M12: 23,885,095 km (0.117 R)
• M13: 29,307,868 km (0.062 R)
• M14: 29,792,865 km (0.116 R)
• M15: 36,032,742 km (0.114 R)
• M16: 36,895,173 km (0.075 R)
• M17: 44,638,359 km (0.06 R)
• M18: 46,202,704 km (0.099 R)
• M19: 55,090,313 km (0.119 R)
• M20: 63,047,275 km (0.063 R)
• M21: 66,788,568 km (0.083 R)
• M22: 72,450,698 km (0.072 R)
• M23: 76,301,646 km (0.087 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 16,636 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit