🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.6

Radius: 14.7

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.89 AU - 1.41 AU

Year: 822 Days

Day: 10.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,151,370 km

• M1: 182,809 km (0.101 R)
• M2: 753,225 km (0.108 R)
• M3: 1,257,669 km (0.107 R)
• M4: 1,802,505 km (0.085 R)
• M5: 2,383,992 km (0.106 R)
• M6: 3,616,828 km (0.065 R)
• M7: 4,187,244 km (0.045 R)
• M8: 6,464,872 km (0.076 R)
• M9: 7,575,187 km (0.11 R)
• M10: 8,515,111 km (0.03 R)
• M11: 9,361,386 km (0.078 R)
• M12: 9,819,754 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.7

Radius: 8.5

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.33 AU - 1.43 AU

Year: 1081 Days

Day: 14.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,151,370 km

• M1: 105,766 km (0.094 R)
• M2: 374,443 km (0.08 R)
• M3: 819,497 km (0.118 R)
• M4: 1,086,081 km (0.103 R)
• M5: 1,354,609 km (0.108 R)
• M6: 1,651,560 km (0.092 R)
• M7: 2,106,488 km (0.107 R)
• M8: 2,401,195 km (0.045 R)
• M9: 2,974,604 km (0.07 R)
• M10: 3,320,474 km (0.03 R)
• M11: 3,912,284 km (0.11 R)
• M12: 4,639,030 km (0.116 R)
• M13: 5,231,886 km (0.084 R)
• M14: 5,835,065 km (0.111 R)
• M15: 6,235,090 km (0.029 R)
• M16: 7,023,470 km (0.055 R)
• M17: 7,499,640 km (0.055 R)
• M18: 8,266,479 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.6

Radius: 12.1

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.26 AU - 1.82 AU

Year: 1274 Days

Day: 7.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,151,370 km

• M1: 150,495 km (0.042 R)
• M2: 566,976 km (0.092 R)
• M3: 1,165,966 km (0.094 R)
• M4: 1,565,093 km (0.11 R)
• M5: 2,122,794 km (0.113 R)
• M6: 2,600,161 km (0.069 R)
• M7: 3,577,932 km (0.076 R)
• M8: 4,865,222 km (0.12 R)
• M9: 5,378,043 km (0.11 R)
• M10: 5,972,097 km (0.094 R)
• M11: 6,707,969 km (0.099 R)
• M12: 8,077,088 km (0.089 R)
• M13: 8,947,299 km (0.066 R)
• M14: 12,378,925 km (0.099 R)
• M15: 12,794,807 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.7

Radius: 11.3

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.65 AU - 2.17 AU

Year: 1760 Days

Day: 13.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,151,370 km

• M1: 141,819 km (0.089 R)
• M2: 812,915 km (0.112 R)
• M3: 1,230,742 km (0.07 R)
• M4: 2,193,703 km (0.105 R)
• M5: 2,733,901 km (0.041 R)
• M6: 3,177,160 km (0.112 R)
• M7: 4,376,635 km (0.07 R)
• M8: 5,674,846 km (0.088 R)
• M9: 7,428,133 km (0.071 R)
• M10: 9,613,458 km (0.075 R)
• M11: 10,923,337 km (0.056 R)
• M12: 12,272,710 km (0.108 R)
• M13: 13,086,523 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.6

Radius: 8.9

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.68 AU - 2.16 AU

Year: 1774 Days

Day: 10.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,151,370 km

• M1: 110,702 km (0.071 R)
• M2: 456,423 km (0.056 R)
• M3: 823,387 km (0.075 R)
• M4: 1,705,715 km (0.105 R)
• M5: 2,348,387 km (0.088 R)
• M6: 2,647,284 km (0.086 R)
• M7: 7,300,376 km (0.1 R)
• M8: 8,037,295 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.4

Radius: 11.9

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.92 AU - 1.98 AU

Year: 1816 Days

Day: 10.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,151,370 km

• M1: 147,952 km (0.051 R)
• M2: 965,505 km (0.073 R)
• M3: 1,452,895 km (0.049 R)
• M4: 2,009,847 km (0.063 R)
• M5: 2,706,076 km (0.094 R)
• M6: 3,776,449 km (0.088 R)
• M7: 5,289,033 km (0.032 R)
• M8: 6,759,430 km (0.107 R)
• M9: 9,259,659 km (0.095 R)
• M10: 9,862,240 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.7

Radius: 13.3

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.83 AU - 2.87 AU

Year: 2402 Days

Day: 11.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,151,370 km

• M1: 165,455 km (0.117 R)
• M2: 611,706 km (0.111 R)
• M3: 1,100,592 km (0.098 R)
• M4: 1,604,138 km (0.066 R)
• M5: 2,954,558 km (0.109 R)
• M6: 4,708,294 km (0.073 R)
• M7: 5,732,590 km (0.1 R)
• M8: 6,297,921 km (0.105 R)
• M9: 6,826,151 km (0.115 R)
• M10: 7,916,869 km (0.106 R)
• M11: 8,361,773 km (0.116 R)
• M12: 9,424,516 km (0.099 R)
• M13: 10,442,979 km (0.106 R)
• M14: 10,945,029 km (0.068 R)
• M15: 12,216,162 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.2

Radius: 11.9

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.02 AU - 5.18 AU

Year: 6579 Days

Day: 14.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,151,370 km

• M1: 147,952 km (0.057 R)
• M2: 733,927 km (0.114 R)
• M3: 1,170,903 km (0.081 R)
• M4: 2,603,601 km (0.057 R)
• M5: 3,293,846 km (0.112 R)
• M6: 3,803,077 km (0.086 R)
• M7: 4,311,261 km (0.074 R)
• M8: 6,705,126 km (0.09 R)
• M9: 7,722,840 km (0.119 R)
• M10: 9,969,501 km (0.064 R)
• M11: 10,691,311 km (0.074 R)
• M12: 12,566,371 km (0.082 R)
• M13: 13,067,524 km (0.099 R)
• M14: 13,524,096 km (0.088 R)
• M15: 14,651,316 km (0.114 R)
• M16: 15,840,320 km (0.117 R)
• M17: 17,092,454 km (0.108 R)
• M18: 18,767,053 km (0.115 R)
• M19: 20,168,486 km (0.079 R)
• M20: 21,717,871 km (0.111 R)
• M21: 22,684,722 km (0.11 R)
• M22: 25,227,287 km (0.089 R)
• M23: 27,116,559 km (0.11 R)
• M24: 28,713,516 km (0.036 R)
• M25: 29,976,571 km (0.07 R)
• M26: 32,094,278 km (0.096 R)
• M27: 36,401,051 km (0.076 R)
• M28: 37,649,745 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956.1

Radius: 8

Gravity: 14.94 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.43 AU - 6.77 AU

Year: 10047 Days

Day: 23.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,151,370 km

• M1: 99,483 km (0.1 R)
• M2: 349,311 km (0.079 R)
• M3: 617,839 km (0.074 R)
• M4: 897,886 km (0.113 R)
• M5: 1,547,590 km (0.096 R)
• M6: 1,940,733 km (0.042 R)
• M7: 2,750,656 km (0.053 R)
• M8: 3,609,946 km (0.092 R)
• M9: 3,877,876 km (0.047 R)
• M10: 4,216,865 km (0.112 R)
• M11: 4,954,532 km (0.065 R)
• M12: 5,354,257 km (0.061 R)
• M13: 6,068,288 km (0.071 R)
• M14: 6,332,627 km (0.116 R)
• M15: 6,884,644 km (0.094 R)
• M16: 7,860,620 km (0.049 R)
• M17: 8,266,629 km (0.119 R)
• M18: 8,545,030 km (0.095 R)
• M19: 10,402,737 km (0.076 R)
• M20: 10,727,514 km (0.101 R)
• M21: 14,761,121 km (0.102 R)
• M22: 16,303,326 km (0.113 R)
• M23: 16,668,195 km (0.091 R)
• M24: 18,339,053 km (0.052 R)
• M25: 20,878,776 km (0.098 R)
• M26: 21,833,660 km (0.076 R)
• M27: 22,099,196 km (0.098 R)
• M28: 28,709,028 km (0.12 R)
• M29: 29,241,447 km (0.108 R)
• M30: 31,101,098 km (0.103 R)
• M31: 31,437,245 km (0.104 R)
• M32: 46,961,764 km (0.115 R)
• M33: 49,050,748 km (0.092 R)
• M34: 50,890,054 km (0.102 R)

Asteroid Belt

Center: 7.14 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.9

Radius: 3.5

Gravity: 66.03 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 7.69 AU - 8.67 AU

Year: 15601 Days

Day: 16 Hours

Environment

Temp: -236 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,151,370 km

• M1: 43,982 km (0.105 R)
• M2: 259,852 km (0.067 R)
• M3: 739,462 km (0.081 R)
• M4: 905,067 km (0.044 R)
• M5: 1,226,852 km (0.118 R)
• M6: 1,399,039 km (0.063 R)
• M7: 1,653,655 km (0.088 R)
• M8: 1,957,039 km (0.118 R)
• M9: 6,085,791 km (0.076 R)
• M10: 10,356,361 km (0.101 R)
• M11: 11,068,746 km (0.103 R)
• M12: 12,590,306 km (0.078 R)
• M13: 14,174,249 km (0.112 R)
• M14: 14,681,385 km (0.09 R)
• M15: 15,885,947 km (0.116 R)
• M16: 17,154,986 km (0.117 R)
• M17: 19,535,388 km (0.114 R)
• M18: 24,317,283 km (0.094 R)
• M19: 26,976,535 km (0.096 R)
• M20: 29,007,027 km (0.038 R)
• M21: 29,122,666 km (0.111 R)
• M22: 30,059,448 km (0.057 R)
• M23: 33,751,075 km (0.083 R)
• M24: 35,176,892 km (0.084 R)
• M25: 41,870,200 km (0.107 R)
• M26: 42,762,252 km (0.067 R)
• M27: 48,219,433 km (0.113 R)
• M28: 50,861,630 km (0.11 R)
• M29: 58,069,405 km (0.11 R)
• M30: 58,807,073 km (0.071 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 487 - 18,131 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit