🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.1

Radius: 10.9

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.55 AU - 0.89 AU

Year: 414 Days

Day: 9.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,153,825 km

• M1: 135,536 km (0.054 R)
• M2: 572,960 km (0.097 R)
• M3: 1,080,396 km (0.089 R)
• M4: 1,489,097 km (0.074 R)
• M5: 1,857,557 km (0.086 R)
• M6: 3,851,996 km (0.089 R)
• M7: 4,338,787 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.2

Radius: 14

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.65 AU - 1.07 AU

Year: 541 Days

Day: 13.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,153,825 km

• M1: 174,282 km (0.115 R)
• M2: 618,737 km (0.107 R)
• M3: 1,422,077 km (0.049 R)
• M4: 2,254,440 km (0.083 R)
• M5: 2,717,445 km (0.061 R)
• M6: 3,853,492 km (0.089 R)
• M7: 4,415,980 km (0.08 R)
• M8: 5,354,407 km (0.086 R)
• M9: 6,679,545 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.9

Radius: 11.4

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.33 AU - 1.49 AU

Year: 1136 Days

Day: 13.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,153,825 km

• M1: 141,819 km (0.071 R)
• M2: 516,412 km (0.106 R)
• M3: 1,139,637 km (0.043 R)
• M4: 1,671,008 km (0.101 R)
• M5: 2,193,853 km (0.073 R)
• M6: 3,524,675 km (0.06 R)
• M7: 4,267,429 km (0.11 R)
• M8: 4,761,251 km (0.027 R)
• M9: 6,153,409 km (0.106 R)
• M10: 10,582,105 km (0.037 R)
• M11: 10,945,927 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.9

Radius: 11

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.56 AU - 1.94 AU

Year: 1570 Days

Day: 13 Hours

Environment

Temp: -190 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,153,825 km

• M1: 146,456 km (0.105 R)
• M2: 522,994 km (0.099 R)
• M3: 947,403 km (0.069 R)
• M4: 1,364,632 km (0.094 R)
• M5: 1,788,143 km (0.103 R)
• M6: 2,414,958 km (0.099 R)
• M7: 2,761,128 km (0.061 R)
• M8: 4,006,081 km (0.043 R)
• M9: 4,386,958 km (0.086 R)
• M10: 4,754,220 km (0.107 R)
• M11: 5,222,013 km (0.093 R)
• M12: 5,656,595 km (0.096 R)
• M13: 6,003,662 km (0.071 R)
• M14: 6,551,190 km (0.116 R)
• M15: 7,563,668 km (0.097 R)
• M16: 7,985,834 km (0.109 R)
• M17: 8,396,031 km (0.078 R)
• M18: 9,681,077 km (0.042 R)
• M19: 10,892,670 km (0.115 R)
• M20: 11,329,496 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.3

Radius: 10.8

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.98 AU - 2.58 AU

Year: 2335 Days

Day: 10.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,153,825 km

• M1: 134,339 km (0.11 R)
• M2: 571,015 km (0.111 R)
• M3: 1,399,338 km (0.041 R)
• M4: 1,749,846 km (0.101 R)
• M5: 2,358,560 km (0.107 R)
• M6: 2,862,106 km (0.098 R)
• M7: 3,405,147 km (0.066 R)
• M8: 4,051,110 km (0.096 R)
• M9: 4,640,376 km (0.097 R)
• M10: 5,456,582 km (0.114 R)
• M11: 5,922,131 km (0.113 R)
• M12: 6,318,116 km (0.068 R)
• M13: 7,137,763 km (0.074 R)
• M14: 7,887,548 km (0.069 R)
• M15: 8,425,651 km (0.108 R)
• M16: 8,957,920 km (0.094 R)
• M17: 10,089,778 km (0.118 R)
• M18: 11,456,355 km (0.118 R)
• M19: 12,826,970 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.3

Radius: 13.9

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.41 AU - 3.97 AU

Year: 3864 Days

Day: 12.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,153,825 km

• M1: 173,085 km (0.082 R)
• M2: 670,647 km (0.045 R)
• M3: 1,182,422 km (0.104 R)
• M4: 1,727,107 km (0.101 R)
• M5: 2,190,711 km (0.102 R)
• M6: 3,130,784 km (0.093 R)
• M7: 3,675,021 km (0.089 R)
• M8: 4,260,996 km (0.09 R)
• M9: 5,122,979 km (0.081 R)
• M10: 6,346,839 km (0.052 R)
• M11: 7,347,799 km (0.099 R)
• M12: 9,926,268 km (0.114 R)
• M13: 12,209,729 km (0.105 R)
• M14: 12,967,293 km (0.086 R)
• M15: 14,973,999 km (0.091 R)
• M16: 17,015,860 km (0.119 R)
• M17: 19,356,319 km (0.105 R)
• M18: 20,141,259 km (0.09 R)
• M19: 21,453,980 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.9

Radius: 9.3

Gravity: 11.2 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 4.72 AU - 5.7 AU

Year: 8066 Days

Day: 6.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 72,153,825 km

• M1: 116,088 km (0.119 R)
• M2: 851,062 km (0.08 R)
• M3: 1,833,023 km (0.095 R)
• M4: 2,471,357 km (0.077 R)
• M5: 3,660,660 km (0.114 R)
• M6: 6,034,329 km (0.108 R)
• M7: 6,654,861 km (0.097 R)
• M8: 7,727,328 km (0.047 R)
• M9: 8,152,486 km (0.097 R)
• M10: 8,728,437 km (0.116 R)
• M11: 9,378,739 km (0.111 R)
• M12: 10,011,239 km (0.103 R)
• M13: 12,421,710 km (0.087 R)
• M14: 16,273,406 km (0.061 R)
• M15: 18,133,356 km (0.085 R)
• M16: 18,506,603 km (0.093 R)
• M17: 19,037,825 km (0.074 R)
• M18: 22,785,102 km (0.062 R)
• M19: 23,483,425 km (0.045 R)
• M20: 25,199,163 km (0.1 R)
• M21: 26,420,330 km (0.119 R)
• M22: 30,320,048 km (0.117 R)
• M23: 32,133,922 km (0.112 R)
• M24: 33,123,063 km (0.106 R)
• M25: 35,393,360 km (0.072 R)
• M26: 36,094,226 km (0.104 R)
• M27: 37,043,126 km (0.116 R)
• M28: 39,238,624 km (0.071 R)
• M29: 40,495,246 km (0.1 R)
• M30: 44,696,403 km (0.037 R)
• M31: 45,104,506 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881.4

Radius: 5.5

Gravity: 29.14 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6.14 AU - 6.36 AU

Year: 10598 Days

Day: 18.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 72,153,825 km

• M1: 70,909 km (0.062 R)
• M2: 358,436 km (0.106 R)
• M3: 621,430 km (0.096 R)
• M4: 825,930 km (0.026 R)
• M5: 2,085,095 km (0.09 R)
• M6: 2,429,021 km (0.117 R)
• M7: 2,743,775 km (0.088 R)
• M8: 3,798,589 km (0.112 R)
• M9: 5,336,605 km (0.069 R)
• M10: 6,091,476 km (0.08 R)
• M11: 7,248,017 km (0.116 R)
• M12: 7,678,560 km (0.062 R)
• M13: 8,496,561 km (0.083 R)
• M14: 8,733,823 km (0.032 R)
• M15: 9,421,375 km (0.108 R)
• M16: 9,882,136 km (0.079 R)
• M17: 10,411,563 km (0.084 R)
• M18: 18,952,853 km (0.068 R)
• M19: 19,358,114 km (0.102 R)
• M20: 19,769,059 km (0.102 R)
• M21: 20,018,439 km (0.105 R)
• M22: 21,123,369 km (0.105 R)
• M23: 21,471,334 km (0.084 R)
• M24: 23,176,899 km (0.106 R)
• M25: 29,367,857 km (0.088 R)
• M26: 31,805,255 km (0.068 R)
• M27: 34,493,978 km (0.034 R)
• M28: 35,098,054 km (0.037 R)
• M29: 42,904,669 km (0.074 R)
• M30: 46,180,115 km (0.08 R)
• M31: 49,160,553 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.5

Radius: 6.6

Gravity: 21.45 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 7.14 AU - 7.16 AU

Year: 12967 Days

Day: 24.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 72,153,825 km

• M1: 82,728 km (0.084 R)
• M2: 295,157 km (0.035 R)
• M3: 736,171 km (0.081 R)
• M4: 2,289,595 km (0.103 R)
• M5: 2,674,660 km (0.084 R)
• M6: 3,202,890 km (0.086 R)
• M7: 3,684,895 km (0.12 R)
• M8: 4,032,411 km (0.116 R)
• M9: 6,848,291 km (0.071 R)
• M10: 8,116,732 km (0.087 R)
• M11: 9,428,256 km (0.104 R)
• M12: 10,471,851 km (0.058 R)
• M13: 10,701,035 km (0.114 R)
• M14: 11,469,070 km (0.074 R)
• M15: 12,400,317 km (0.046 R)
• M16: 14,341,948 km (0.085 R)
• M17: 16,477,757 km (0.064 R)
• M18: 16,944,652 km (0.107 R)
• M19: 18,068,431 km (0.111 R)
• M20: 21,923,269 km (0.045 R)
• M21: 22,488,150 km (0.093 R)
• M22: 25,150,544 km (0.096 R)
• M23: 29,017,499 km (0.102 R)
• M24: 37,502,092 km (0.102 R)
• M25: 37,904,360 km (0.073 R)
• M26: 39,266,449 km (0.042 R)
• M27: 43,106,327 km (0.091 R)
• M28: 43,547,940 km (0.089 R)
• M29: 44,439,992 km (0.098 R)
• M30: 46,260,598 km (0.104 R)
• M31: 47,815,369 km (0.062 R)
• M32: 63,027,229 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 941.7

Radius: 7.4

Gravity: 17.2 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 7.68 AU - 8.6 AU

Year: 15752 Days

Day: 16.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,153,825 km

• M1: 92,003 km (0.114 R)
• M2: 392,694 km (0.071 R)
• M3: 668,553 km (0.052 R)
• M4: 1,231,490 km (0.076 R)
• M5: 3,000,036 km (0.03 R)
• M6: 3,315,986 km (0.088 R)
• M7: 4,109,005 km (0.072 R)
• M8: 4,399,673 km (0.09 R)
• M9: 5,942,177 km (0.114 R)
• M10: 6,658,601 km (0.119 R)
• M11: 7,015,093 km (0.109 R)
• M12: 11,565,711 km (0.052 R)
• M13: 17,100,682 km (0.092 R)
• M14: 18,543,254 km (0.119 R)
• M15: 19,699,945 km (0.045 R)
• M16: 19,973,410 km (0.111 R)
• M17: 30,982,168 km (0.078 R)
• M18: 34,685,164 km (0.1 R)
• M19: 37,404,255 km (0.095 R)
• M20: 44,503,422 km (0.119 R)
• M21: 47,544,896 km (0.057 R)
• M22: 53,505,474 km (0.093 R)
• M23: 56,388,823 km (0.088 R)
• M24: 62,659,667 km (0.08 R)
• M25: 71,292,511 km (0.083 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 14,348 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit