🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.5

Radius: 11.3

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.73 AU - 1.21 AU

Year: 659 Days

Day: 13.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 171.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,380,411 km

• M1: 141,220 km (0.12 R)
• M2: 559,346 km (0.098 R)
• M3: 1,198,279 km (0.04 R)
• M4: 1,611,618 km (0.119 R)
• M5: 2,682,589 km (0.083 R)
• M6: 3,292,948 km (0.095 R)
• M7: 5,229,493 km (0.068 R)
• M8: 5,728,850 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.8

Radius: 10.8

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.03 AU - 1.23 AU

Year: 829 Days

Day: 7.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,380,411 km

• M1: 134,339 km (0.081 R)
• M2: 477,666 km (0.074 R)
• M3: 842,834 km (0.102 R)
• M4: 1,286,542 km (0.12 R)
• M5: 1,715,738 km (0.1 R)
• M6: 2,345,695 km (0.1 R)
• M7: 2,824,707 km (0.113 R)
• M8: 3,269,013 km (0.109 R)
• M9: 4,729,237 km (0.08 R)
• M10: 5,221,714 km (0.057 R)
• M11: 6,290,441 km (0.115 R)
• M12: 7,031,698 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.8

Radius: 12.6

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.24 AU - 1.36 AU

Year: 1023 Days

Day: 15 Hours

Environment

Temp: -188 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,380,411 km

• M1: 157,826 km (0.104 R)
• M2: 571,314 km (0.064 R)
• M3: 1,088,474 km (0.093 R)
• M4: 1,483,412 km (0.067 R)
• M5: 2,025,854 km (0.083 R)
• M6: 2,723,429 km (0.095 R)
• M7: 3,473,064 km (0.103 R)
• M8: 5,305,040 km (0.048 R)
• M9: 6,634,067 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.9

Radius: 14.6

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.47 AU - 1.69 AU

Year: 1371 Days

Day: 6 Hours

Environment

Temp: -183 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,380,411 km

• M1: 181,612 km (0.113 R)
• M2: 640,728 km (0.116 R)
• M3: 1,259,913 km (0.065 R)
• M4: 1,837,361 km (0.053 R)
• M5: 2,442,036 km (0.032 R)
• M6: 2,936,008 km (0.078 R)
• M7: 3,403,950 km (0.071 R)
• M8: 4,112,296 km (0.12 R)
• M9: 4,644,266 km (0.108 R)
• M10: 5,539,759 km (0.06 R)
• M11: 6,843,055 km (0.104 R)
• M12: 7,460,745 km (0.062 R)
• M13: 7,948,284 km (0.09 R)
• M14: 8,485,939 km (0.116 R)
• M15: 9,047,978 km (0.047 R)
• M16: 11,336,676 km (0.076 R)
• M17: 11,909,786 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.6

Radius: 9.6

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.42 AU - 4.24 AU

Year: 5174 Days

Day: 14.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,380,411 km

• M1: 129,253 km (0.055 R)
• M2: 445,802 km (0.065 R)
• M3: 795,561 km (0.101 R)
• M4: 1,281,755 km (0.108 R)
• M5: 1,782,608 km (0.051 R)
• M6: 2,820,069 km (0.12 R)
• M7: 3,961,950 km (0.099 R)
• M8: 4,461,457 km (0.096 R)
• M9: 4,791,470 km (0.098 R)
• M10: 5,110,562 km (0.068 R)
• M11: 5,558,010 km (0.035 R)
• M12: 5,970,900 km (0.108 R)
• M13: 6,596,219 km (0.11 R)
• M14: 7,977,456 km (0.109 R)
• M15: 10,441,183 km (0.094 R)
• M16: 11,117,067 km (0.088 R)
• M17: 11,869,843 km (0.104 R)
• M18: 12,706,544 km (0.091 R)
• M19: 13,268,434 km (0.111 R)
• M20: 13,900,335 km (0.058 R)
• M21: 15,510,307 km (0.088 R)
• M22: 20,451,824 km (0.055 R)
• M23: 21,152,989 km (0.063 R)
• M24: 24,429,332 km (0.114 R)
• M25: 24,900,865 km (0.107 R)
• M26: 25,943,263 km (0.042 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962.2

Radius: 5.7

Gravity: 29.62 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 5.31 AU - 6.81 AU

Year: 10297 Days

Day: 19.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,380,411 km

• M1: 71,358 km (0.106 R)
• M2: 307,573 km (0.066 R)
• M3: 495,319 km (0.051 R)
• M4: 1,171,052 km (0.087 R)
• M5: 1,606,831 km (0.116 R)
• M6: 1,982,471 km (0.089 R)
• M7: 2,335,372 km (0.026 R)
• M8: 3,491,614 km (0.109 R)
• M9: 3,978,256 km (0.105 R)
• M10: 4,238,108 km (0.11 R)
• M11: 5,892,959 km (0.119 R)
• M12: 7,891,587 km (0.12 R)
• M13: 14,335,066 km (0.091 R)
• M14: 17,184,906 km (0.079 R)
• M15: 18,344,289 km (0.078 R)
• M16: 21,425,706 km (0.097 R)
• M17: 24,259,240 km (0.069 R)
• M18: 38,481,210 km (0.075 R)
• M19: 42,780,054 km (0.028 R)
• M20: 44,614,274 km (0.045 R)
• M21: 51,525,097 km (0.114 R)
• M22: 54,086,661 km (0.086 R)
• M23: 54,576,146 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 644.1

Radius: 8

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.8 AU - 7.24 AU

Year: 11492 Days

Day: 24.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,380,411 km

• M1: 99,483 km (0.054 R)
• M2: 463,454 km (0.119 R)
• M3: 810,372 km (0.058 R)
• M4: 1,145,770 km (0.068 R)
• M5: 1,558,361 km (0.101 R)
• M6: 2,704,131 km (0.097 R)
• M7: 3,365,802 km (0.116 R)
• M8: 5,137,340 km (0.083 R)
• M9: 6,186,171 km (0.057 R)
• M10: 6,565,701 km (0.081 R)
• M11: 7,668,536 km (0.113 R)
• M12: 11,040,622 km (0.099 R)
• M13: 11,429,876 km (0.104 R)
• M14: 13,516,018 km (0.1 R)
• M15: 16,699,461 km (0.098 R)
• M16: 17,065,078 km (0.104 R)
• M17: 18,425,820 km (0.086 R)
• M18: 21,190,838 km (0.099 R)
• M19: 22,317,310 km (0.101 R)
• M20: 27,123,889 km (0.087 R)
• M21: 28,972,919 km (0.101 R)
• M22: 32,238,640 km (0.08 R)
• M23: 36,840,271 km (0.071 R)
• M24: 48,496,039 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.1

Radius: 5.7

Gravity: 19.27 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 7.59 AU - 9.95 AU

Year: 17927 Days

Day: 16.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 57,380,411 km

• M1: 71,508 km (0.063 R)
• M2: 362,476 km (0.1 R)
• M3: 1,155,344 km (0.109 R)
• M4: 1,332,618 km (0.034 R)
• M5: 1,576,313 km (0.12 R)
• M6: 2,035,728 km (0.089 R)
• M7: 2,535,385 km (0.093 R)
• M8: 3,011,106 km (0.088 R)
• M9: 3,243,880 km (0.12 R)
• M10: 3,488,473 km (0.111 R)
• M11: 3,774,653 km (0.099 R)
• M12: 5,372,508 km (0.086 R)
• M13: 6,789,499 km (0.11 R)
• M14: 7,010,455 km (0.104 R)
• M15: 8,238,056 km (0.069 R)
• M16: 9,437,830 km (0.056 R)
• M17: 10,989,609 km (0.093 R)
• M18: 13,381,978 km (0.08 R)
• M19: 16,335,639 km (0.088 R)
• M20: 18,301,804 km (0.115 R)
• M21: 20,056,437 km (0.105 R)
• M22: 21,161,367 km (0.096 R)
• M23: 22,894,009 km (0.062 R)
• M24: 29,233,668 km (0.115 R)
• M25: 33,498,105 km (0.09 R)
• M26: 34,919,434 km (0.077 R)
• M27: 35,182,128 km (0.106 R)
• M28: 37,194,369 km (0.077 R)
• M29: 38,020,299 km (0.1 R)
• M30: 41,299,933 km (0.114 R)
• M31: 42,185,552 km (0.117 R)
• M32: 45,228,822 km (0.074 R)
• M33: 49,234,604 km (0.117 R)
• M34: 52,432,707 km (0.092 R)
• M35: 52,950,017 km (0.111 R)
• M36: 66,208,278 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277.9

Radius: 4.2

Gravity: 15.75 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 8.66 AU - 10.56 AU

Year: 20563 Days

Day: 15.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,380,411 km

• M1: 61,784 km (0.093 R)
• M2: 403,615 km (0.064 R)
• M3: 948,002 km (0.119 R)
• M4: 1,379,292 km (0.11 R)
• M5: 1,539,063 km (0.063 R)
• M6: 1,984,117 km (0.08 R)
• M7: 2,817,078 km (0.033 R)
• M8: 3,452,868 km (0.119 R)
• M9: 3,612,190 km (0.117 R)
• M10: 3,804,423 km (0.068 R)
• M11: 4,179,316 km (0.046 R)
• M12: 6,080,555 km (0.049 R)
• M13: 6,313,329 km (0.038 R)
• M14: 6,755,690 km (0.08 R)
• M15: 7,974,314 km (0.092 R)
• M16: 9,747,199 km (0.086 R)
• M17: 10,228,306 km (0.094 R)
• M18: 10,447,018 km (0.075 R)
• M19: 11,529,358 km (0.03 R)
• M20: 15,723,484 km (0.072 R)
• M21: 17,294,411 km (0.097 R)
• M22: 19,715,803 km (0.093 R)
• M23: 21,628,711 km (0.114 R)
• M24: 24,334,487 km (0.027 R)
• M25: 24,724,489 km (0.076 R)
• M26: 25,919,776 km (0.077 R)
• M27: 31,086,438 km (0.096 R)
• M28: 31,893,069 km (0.096 R)
• M29: 44,692,962 km (0.091 R)
• M30: 47,213,686 km (0.1 R)
• M31: 47,364,780 km (0.105 R)
• M32: 49,671,131 km (0.043 R)
• M33: 55,509,337 km (0.112 R)
• M34: 57,380,358 km (0.055 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 13,161 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit