🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.6

Radius: 8

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.79 AU - 0.99 AU

Year: 560 Days

Day: 12.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 152.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,852,560 km

• M1: 99,483 km (0.086 R)
• M2: 391,946 km (0.028 R)
• M3: 680,970 km (0.091 R)
• M4: 936,931 km (0.072 R)
• M5: 1,356,703 km (0.119 R)
• M6: 2,036,625 km (0.091 R)
• M7: 2,947,377 km (0.079 R)
• M8: 3,355,779 km (0.096 R)
• M9: 3,840,327 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.2

Radius: 13

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.78 AU - 1.02 AU

Year: 569 Days

Day: 10.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,852,560 km

• M1: 161,715 km (0.088 R)
• M2: 674,686 km (0.109 R)
• M3: 1,222,963 km (0.104 R)
• M4: 1,677,591 km (0.068 R)
• M5: 2,292,887 km (0.058 R)
• M6: 3,255,998 km (0.042 R)
• M7: 3,857,830 km (0.116 R)
• M8: 4,368,407 km (0.088 R)
• M9: 4,923,715 km (0.087 R)
• M10: 6,102,247 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.9

Radius: 8.3

Gravity: 13.4 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.81 AU - 2.35 AU

Year: 2000 Days

Day: 13.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,852,560 km

• M1: 103,671 km (0.087 R)
• M2: 368,011 km (0.09 R)
• M3: 655,388 km (0.071 R)
• M4: 1,015,171 km (0.107 R)
• M5: 1,446,761 km (0.113 R)
• M6: 1,799,214 km (0.113 R)
• M7: 2,664,188 km (0.083 R)
• M8: 3,385,250 km (0.099 R)
• M9: 4,957,075 km (0.112 R)
• M10: 5,542,751 km (0.061 R)
• M11: 6,851,582 km (0.061 R)
• M12: 7,638,467 km (0.089 R)
• M13: 8,484,144 km (0.077 R)
• M14: 10,286,948 km (0.095 R)
• M15: 12,000,442 km (0.069 R)
• M16: 14,307,092 km (0.036 R)
• M17: 14,867,635 km (0.07 R)
• M18: 15,883,853 km (0.093 R)
• M19: 17,153,191 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.6

Radius: 11.6

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.61 AU - 4.75 AU

Year: 5699 Days

Day: 12.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,852,560 km

• M1: 145,110 km (0.108 R)
• M2: 530,324 km (0.097 R)
• M3: 934,837 km (0.106 R)
• M4: 1,412,802 km (0.117 R)
• M5: 1,993,840 km (0.104 R)
• M6: 2,365,890 km (0.084 R)
• M7: 4,175,875 km (0.114 R)
• M8: 5,923,328 km (0.108 R)
• M9: 7,082,711 km (0.088 R)
• M10: 9,201,765 km (0.064 R)
• M11: 10,566,995 km (0.097 R)
• M12: 12,471,077 km (0.11 R)
• M13: 15,293,091 km (0.05 R)
• M14: 16,507,676 km (0.112 R)
• M15: 20,827,315 km (0.115 R)
• M16: 22,166,066 km (0.044 R)
• M17: 23,403,540 km (0.086 R)
• M18: 26,957,088 km (0.109 R)
• M19: 31,045,298 km (0.057 R)
• M20: 32,299,227 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758.3

Radius: 5.7

Gravity: 23.34 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.08 AU - 6.43 AU

Year: 10420 Days

Day: 24.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 78,852,560 km

• M1: 81,830 km (0.083 R)
• M2: 312,211 km (0.115 R)
• M3: 642,822 km (0.094 R)
• M4: 856,597 km (0.047 R)
• M5: 1,083,687 km (0.118 R)
• M6: 1,324,988 km (0.099 R)
• M7: 1,616,555 km (0.039 R)
• M8: 3,655,873 km (0.114 R)
• M9: 4,347,165 km (0.055 R)
• M10: 5,388,366 km (0.099 R)
• M11: 6,094,916 km (0.066 R)
• M12: 7,185,485 km (0.081 R)
• M13: 7,604,658 km (0.104 R)
• M14: 9,495,575 km (0.099 R)
• M15: 9,745,852 km (0.118 R)
• M16: 14,969,661 km (0.042 R)
• M17: 15,722,437 km (0.079 R)
• M18: 17,752,031 km (0.087 R)
• M19: 19,304,408 km (0.08 R)
• M20: 21,029,571 km (0.085 R)
• M21: 21,712,934 km (0.03 R)
• M22: 23,944,037 km (0.068 R)
• M23: 24,314,591 km (0.101 R)
• M24: 24,595,087 km (0.107 R)
• M25: 24,877,677 km (0.054 R)
• M26: 31,214,493 km (0.054 R)
• M27: 33,698,865 km (0.103 R)
• M28: 39,570,432 km (0.081 R)
• M29: 40,218,640 km (0.086 R)
• M30: 41,403,305 km (0.043 R)
• M31: 43,155,246 km (0.085 R)
• M32: 46,088,561 km (0.086 R)
• M33: 47,385,425 km (0.086 R)
• M34: 50,657,729 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856.4

Radius: 5.5

Gravity: 28.31 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 6.04 AU - 7.42 AU

Year: 11643 Days

Day: 21.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 78,852,560 km

• M1: 69,862 km (0.056 R)
• M2: 253,419 km (0.09 R)
• M3: 545,883 km (0.107 R)
• M4: 744,848 km (0.071 R)
• M5: 1,204,412 km (0.114 R)
• M6: 1,403,677 km (0.107 R)
• M7: 2,821,266 km (0.12 R)
• M8: 3,559,532 km (0.118 R)
• M9: 4,543,587 km (0.112 R)
• M10: 4,897,535 km (0.12 R)
• M11: 5,304,441 km (0.096 R)
• M12: 5,844,490 km (0.096 R)
• M13: 7,375,923 km (0.115 R)
• M14: 7,774,452 km (0.087 R)
• M15: 9,616,750 km (0.108 R)
• M16: 10,308,789 km (0.043 R)
• M17: 12,213,469 km (0.07 R)
• M18: 14,272,983 km (0.05 R)
• M19: 15,384,795 km (0.08 R)
• M20: 15,888,939 km (0.115 R)
• M21: 16,929,991 km (0.04 R)
• M22: 18,738,031 km (0.081 R)
• M23: 21,107,811 km (0.054 R)
• M24: 23,765,417 km (0.081 R)
• M25: 23,956,453 km (0.045 R)
• M26: 27,051,334 km (0.052 R)
• M27: 27,469,161 km (0.084 R)
• M28: 27,891,177 km (0.11 R)
• M29: 28,424,942 km (0.097 R)
• M30: 29,733,474 km (0.027 R)
• M31: 30,514,974 km (0.115 R)
• M32: 34,263,148 km (0.086 R)
• M33: 36,247,414 km (0.115 R)
• M34: 36,882,757 km (0.083 R)
• M35: 45,684,796 km (0.098 R)
• M36: 47,326,184 km (0.104 R)
• M37: 48,237,983 km (0.099 R)
• M38: 49,161,301 km (0.072 R)
• M39: 50,096,288 km (0.043 R)
• M40: 51,521,058 km (0.109 R)
• M41: 52,002,015 km (0.085 R)
• M42: 52,324,249 km (0.108 R)
• M43: 52,972,606 km (0.104 R)

Asteroid Belt

Center: 7.31 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 401.3

Radius: 4.4

Gravity: 20.73 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.88 AU - 8.88 AU

Year: 14751 Days

Day: 18.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 78,852,560 km

• M1: 56,548 km (0.08 R)
• M2: 495,468 km (0.04 R)
• M3: 646,113 km (0.1 R)
• M4: 827,575 km (0.097 R)
• M5: 1,122,732 km (0.1 R)
• M6: 1,820,606 km (0.12 R)
• M7: 2,077,316 km (0.067 R)
• M8: 2,814,534 km (0.105 R)
• M9: 3,529,163 km (0.04 R)
• M10: 4,598,938 km (0.111 R)
• M11: 4,912,944 km (0.091 R)
• M12: 5,410,656 km (0.042 R)
• M13: 5,977,632 km (0.087 R)
• M14: 6,275,631 km (0.114 R)
• M15: 7,146,141 km (0.108 R)
• M16: 7,397,016 km (0.045 R)
• M17: 9,074,906 km (0.105 R)
• M18: 10,132,114 km (0.084 R)
• M19: 11,212,959 km (0.105 R)
• M20: 11,666,091 km (0.113 R)
• M21: 12,368,303 km (0.108 R)
• M22: 13,856,952 km (0.06 R)
• M23: 14,778,175 km (0.113 R)
• M24: 15,253,896 km (0.097 R)
• M25: 15,460,790 km (0.114 R)
• M26: 16,021,782 km (0.087 R)
• M27: 16,235,707 km (0.034 R)
• M28: 17,483,653 km (0.057 R)
• M29: 17,710,294 km (0.085 R)
• M30: 22,221,417 km (0.118 R)
• M31: 22,576,413 km (0.044 R)
• M32: 26,141,181 km (0.102 R)
• M33: 28,575,886 km (0.082 R)
• M34: 30,063,637 km (0.054 R)
• M35: 32,618,619 km (0.055 R)
• M36: 36,655,069 km (0.096 R)
• M37: 37,400,216 km (0.098 R)
• M38: 42,492,228 km (0.069 R)
• M39: 48,620,654 km (0.038 R)
• M40: 50,736,267 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 321.8

Radius: 8

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.3 AU - 9.86 AU

Year: 18246 Days

Day: 23.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 78,852,560 km

• M1: 99,632 km (0.075 R)
• M2: 349,012 km (0.074 R)
• M3: 723,754 km (0.089 R)
• M4: 1,802,505 km (0.074 R)
• M5: 2,440,091 km (0.04 R)
• M6: 4,155,679 km (0.076 R)
• M7: 5,228,146 km (0.087 R)
• M8: 5,792,430 km (0.097 R)
• M9: 6,203,225 km (0.113 R)
• M10: 6,514,239 km (0.117 R)
• M11: 6,876,565 km (0.074 R)
• M12: 7,209,720 km (0.108 R)
• M13: 8,044,625 km (0.07 R)
• M14: 8,461,854 km (0.039 R)
• M15: 9,090,015 km (0.105 R)
• M16: 10,384,785 km (0.119 R)
• M17: 11,104,650 km (0.078 R)
• M18: 12,955,325 km (0.064 R)
• M19: 13,723,809 km (0.12 R)
• M20: 14,454,745 km (0.052 R)
• M21: 17,104,422 km (0.112 R)
• M22: 17,872,607 km (0.039 R)
• M23: 18,743,865 km (0.051 R)
• M24: 20,915,577 km (0.102 R)
• M25: 27,068,239 km (0.061 R)
• M26: 27,378,206 km (0.079 R)
• M27: 31,398,798 km (0.111 R)
• M28: 34,934,394 km (0.104 R)
• M29: 39,649,569 km (0.106 R)
• M30: 40,857,572 km (0.103 R)
• M31: 43,346,581 km (0.066 R)
• M32: 51,893,257 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 820.4

Radius: 6.8

Gravity: 17.74 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 9.39 AU - 9.45 AU

Year: 19280 Days

Day: 19.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 78,852,560 km

• M1: 84,672 km (0.038 R)
• M2: 329,714 km (0.039 R)
• M3: 803,640 km (0.113 R)
• M4: 2,254,141 km (0.096 R)
• M5: 3,207,827 km (0.058 R)
• M6: 3,729,026 km (0.088 R)
• M7: 4,792,966 km (0.097 R)
• M8: 5,087,973 km (0.031 R)
• M9: 5,317,157 km (0.09 R)
• M10: 6,434,952 km (0.039 R)
• M11: 9,754,380 km (0.103 R)
• M12: 10,289,342 km (0.087 R)
• M13: 11,288,207 km (0.104 R)
• M14: 11,613,283 km (0.067 R)
• M15: 15,854,083 km (0.054 R)
• M16: 16,593,097 km (0.096 R)
• M17: 17,441,017 km (0.051 R)
• M18: 20,830,008 km (0.062 R)
• M19: 27,685,031 km (0.091 R)
• M20: 29,730,183 km (0.1 R)
• M21: 30,726,655 km (0.103 R)
• M22: 32,393,025 km (0.119 R)
• M23: 38,187,549 km (0.097 R)
• M24: 43,833,223 km (0.116 R)
• M25: 46,438,021 km (0.099 R)
• M26: 51,064,336 km (0.112 R)
• M27: 72,643,080 km (0.111 R)
• M28: 73,541,565 km (0.066 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: 388 - 11,291 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit