🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.51 AU - 0.57 AU

Year: 256 Days

Day: 44 Hours

Environment

Temp: -117 °C

Axial Tilt: 12.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.5 AU - 0.74 AU

Year: 315 Days

Day: 43.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,843,251 km

• M1: 472,430 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.63 AU - 0.67 AU

Year: 338 Days

Day: 40.1 Hours

Environment

Temp: -123 °C

Axial Tilt: 22.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.67 AU - 0.67 AU

Year: 354 Days

Day: 28.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 20.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.3

Radius: 13.8

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.86 AU - 1.1 AU

Year: 626 Days

Day: 8.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 99.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 77,843,251 km

• M1: 173,683 km (0.114 R)
• M2: 301,589 km (0.069 R)
• M3: 393,592 km (0.08 R)
• M4: 552,615 km (0.092 R)
• M5: 663,616 km (0.056 R)
• M6: 752,926 km (0.108 R)
• M7: 841,787 km (0.09 R)
• M8: 934,687 km (0.107 R)
• M9: 1,126,173 km (0.078 R)
• M10: 1,274,275 km (0.064 R)
• M11: 1,570,179 km (0.095 R)
• M12: 1,701,975 km (0.119 R)
• M13: 1,801,607 km (0.084 R)
• M14: 1,925,325 km (0.116 R)
• M15: 2,097,512 km (0.119 R)
• M16: 2,353,773 km (0.046 R)
• M17: 2,563,060 km (0.112 R)
• M18: 2,670,023 km (0.097 R)
• M19: 2,812,290 km (0.096 R)
• M20: 2,940,047 km (0.089 R)
• M21: 3,043,569 km (0.092 R)
• M22: 3,148,437 km (0.084 R)
• M23: 3,263,478 km (0.102 R)
• M24: 3,461,396 km (0.065 R)
• M25: 3,672,628 km (0.119 R)
• M26: 3,812,651 km (0.096 R)
• M27: 4,224,195 km (0.118 R)
• M28: 4,390,997 km (0.101 R)
• M29: 4,550,019 km (0.107 R)
• M30: 4,660,422 km (0.099 R)
• M31: 4,904,417 km (0.082 R)
• M32: 5,028,134 km (0.108 R)
• M33: 5,257,468 km (0.05 R)
• M34: 5,362,934 km (0.098 R)
• M35: 5,469,149 km (0.085 R)
• M36: 5,586,732 km (0.092 R)
• M37: 6,098,806 km (0.082 R)
• M38: 6,187,368 km (0.046 R)
• M39: 6,298,968 km (0.045 R)
• M40: 6,388,577 km (0.116 R)
• M41: 6,546,552 km (0.092 R)
• M42: 6,694,355 km (0.107 R)
• M43: 6,797,428 km (0.088 R)
• M44: 6,981,882 km (0.075 R)
• M45: 7,144,645 km (0.053 R)
• M46: 7,474,059 km (0.029 R)
• M47: 7,808,560 km (0.101 R)
• M48: 8,380,922 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.3

Radius: 13.7

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.24 AU - 2.64 AU

Year: 2461 Days

Day: 11.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 77,843,251 km

• M1: 193,879 km (0.036 R)
• M2: 287,228 km (0.075 R)
• M3: 378,333 km (0.091 R)
• M4: 676,182 km (0.053 R)
• M5: 1,116,000 km (0.111 R)
• M6: 1,228,049 km (0.105 R)
• M7: 1,320,650 km (0.081 R)
• M8: 1,501,215 km (0.091 R)
• M9: 1,588,430 km (0.086 R)
• M10: 1,860,698 km (0.103 R)
• M11: 2,092,575 km (0.061 R)
• M12: 2,190,861 km (0.083 R)
• M13: 2,305,303 km (0.113 R)
• M14: 2,451,161 km (0.096 R)
• M15: 2,645,489 km (0.085 R)
• M16: 3,357,874 km (0.093 R)
• M17: 3,865,011 km (0.087 R)
• M18: 3,951,927 km (0.113 R)
• M19: 4,127,854 km (0.118 R)
• M20: 4,306,324 km (0.083 R)
• M21: 4,689,744 km (0.1 R)
• M22: 5,046,086 km (0.076 R)
• M23: 5,160,528 km (0.071 R)
• M24: 5,314,464 km (0.04 R)
• M25: 5,548,286 km (0.113 R)
• M26: 5,785,548 km (0.072 R)
• M27: 6,168,070 km (0.032 R)
• M28: 6,290,590 km (0.08 R)
• M29: 6,517,381 km (0.089 R)
• M30: 6,746,864 km (0.088 R)
• M31: 6,894,367 km (0.118 R)
• M32: 7,021,675 km (0.06 R)
• M33: 7,192,516 km (0.045 R)
• M34: 8,090,253 km (0.081 R)
• M35: 8,495,513 km (0.096 R)
• M36: 8,632,096 km (0.091 R)
• M37: 9,069,521 km (0.1 R)
• M38: 9,326,230 km (0.043 R)
• M39: 9,537,911 km (0.07 R)
• M40: 10,522,565 km (0.076 R)
• M41: 10,915,708 km (0.032 R)
• M42: 11,114,075 km (0.033 R)
• M43: 11,213,707 km (0.107 R)
• M44: 11,767,069 km (0.086 R)
• M45: 11,970,522 km (0.09 R)
• M46: 12,329,408 km (0.102 R)
• M47: 12,665,853 km (0.047 R)
• M48: 13,242,104 km (0.109 R)
• M49: 13,427,306 km (0.075 R)
• M50: 13,853,660 km (0.069 R)
• M51: 14,203,570 km (0.077 R)
• M52: 14,338,806 km (0.054 R)
• M53: 15,215,151 km (0.06 R)
• M54: 15,576,130 km (0.064 R)
• M55: 15,771,655 km (0.087 R)
• M56: 16,334,741 km (0.07 R)
• M57: 16,847,263 km (0.052 R)
• M58: 17,307,426 km (0.101 R)
• M59: 17,597,048 km (0.085 R)
• M60: 17,829,822 km (0.082 R)
• M61: 18,063,793 km (0.095 R)
• M62: 18,269,191 km (0.101 R)
• M63: 19,278,528 km (0.045 R)
• M64: 19,488,563 km (0.119 R)
• M65: 19,850,291 km (0.11 R)
• M66: 20,427,739 km (0.118 R)
• M67: 20,550,110 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.5

Radius: 8

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.91 AU - 3.03 AU

Year: 3305 Days

Day: 14.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 77,843,251 km

• M1: 155,881 km (0.117 R)
• M2: 216,767 km (0.082 R)
• M3: 319,840 km (0.051 R)
• M4: 376,239 km (0.095 R)
• M5: 501,153 km (0.097 R)
• M6: 614,398 km (0.094 R)
• M7: 757,863 km (0.107 R)
• M8: 904,918 km (0.045 R)
• M9: 1,330,673 km (0.078 R)
• M10: 1,464,264 km (0.11 R)
• M11: 1,574,368 km (0.079 R)
• M12: 1,822,551 km (0.057 R)
• M13: 1,951,355 km (0.078 R)
• M14: 2,001,769 km (0.078 R)
• M15: 2,062,805 km (0.051 R)
• M16: 2,218,237 km (0.106 R)
• M17: 2,463,877 km (0.105 R)
• M18: 2,518,480 km (0.091 R)
• M19: 2,629,033 km (0.092 R)
• M20: 2,877,665 km (0.078 R)
• M21: 2,946,928 km (0.085 R)
• M22: 3,016,641 km (0.073 R)
• M23: 3,110,439 km (0.072 R)
• M24: 3,229,070 km (0.12 R)
• M25: 3,385,699 km (0.032 R)
• M26: 3,458,852 km (0.04 R)
• M27: 3,619,072 km (0.068 R)
• M28: 3,781,685 km (0.089 R)
• M29: 3,883,112 km (0.075 R)
• M30: 3,998,153 km (0.106 R)
• M31: 4,088,510 km (0.117 R)
• M32: 4,218,660 km (0.063 R)
• M33: 4,794,313 km (0.049 R)
• M34: 4,917,880 km (0.062 R)
• M35: 5,098,295 km (0.039 R)
• M36: 5,623,683 km (0.086 R)
• M37: 5,710,600 km (0.113 R)
• M38: 6,062,454 km (0.096 R)
• M39: 6,361,051 km (0.063 R)
• M40: 6,633,918 km (0.052 R)
• M41: 6,695,103 km (0.114 R)
• M42: 6,787,106 km (0.096 R)
• M43: 7,475,406 km (0.118 R)
• M44: 7,555,141 km (0.117 R)
• M45: 7,683,047 km (0.071 R)
• M46: 7,827,858 km (0.113 R)
• M47: 8,136,778 km (0.074 R)
• M48: 8,218,608 km (0.103 R)
• M49: 8,300,887 km (0.055 R)
• M50: 8,383,315 km (0.073 R)
• M51: 8,532,464 km (0.039 R)
• M52: 8,749,531 km (0.045 R)
• M53: 8,867,115 km (0.119 R)
• M54: 8,985,297 km (0.067 R)
• M55: 9,308,578 km (0.085 R)
• M56: 9,411,501 km (0.073 R)
• M57: 10,001,665 km (0.083 R)
• M58: 10,159,939 km (0.057 R)
• M59: 10,425,476 km (0.116 R)
• M60: 10,478,882 km (0.106 R)
• M61: 10,711,357 km (0.11 R)
• M62: 10,783,164 km (0.12 R)
• M63: 10,855,270 km (0.093 R)
• M64: 11,072,187 km (0.099 R)
• M65: 11,418,805 km (0.103 R)
• M66: 11,676,563 km (0.091 R)
• M67: 12,029,314 km (0.107 R)
• M68: 12,085,264 km (0.044 R)
• M69: 12,366,658 km (0.098 R)
• M70: 12,479,903 km (0.06 R)
• M71: 12,612,297 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.2

Radius: 14.7

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.2 AU - 6.62 AU

Year: 8125 Days

Day: 13.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 77,843,251 km

• M1: 221,106 km (0.12 R)
• M2: 316,250 km (0.105 R)
• M3: 523,892 km (0.096 R)
• M4: 662,868 km (0.072 R)
• M5: 787,782 km (0.079 R)
• M6: 1,374,505 km (0.111 R)
• M7: 1,713,943 km (0.107 R)
• M8: 2,472,404 km (0.07 R)
• M9: 2,770,253 km (0.098 R)
• M10: 3,031,750 km (0.067 R)
• M11: 3,153,224 km (0.108 R)
• M12: 3,276,493 km (0.059 R)
• M13: 3,401,407 km (0.088 R)
• M14: 3,656,022 km (0.074 R)
• M15: 3,838,233 km (0.069 R)
• M16: 4,023,285 km (0.039 R)
• M17: 4,211,629 km (0.057 R)
• M18: 5,022,449 km (0.111 R)
• M19: 5,284,096 km (0.08 R)
• M20: 5,431,300 km (0.086 R)
• M21: 5,550,081 km (0.105 R)
• M22: 5,669,909 km (0.116 R)
• M23: 6,034,180 km (0.092 R)
• M24: 6,157,448 km (0.039 R)
• M25: 7,435,164 km (0.103 R)
• M26: 7,600,619 km (0.102 R)
• M27: 7,767,421 km (0.042 R)
• M28: 8,104,465 km (0.085 R)
• M29: 8,274,857 km (0.107 R)
• M30: 8,619,081 km (0.068 R)
• M31: 8,827,920 km (0.119 R)
• M32: 11,196,802 km (0.111 R)
• M33: 11,769,912 km (0.063 R)
• M34: 12,392,089 km (0.096 R)
• M35: 13,425,661 km (0.09 R)
• M36: 14,528,347 km (0.096 R)
• M37: 15,153,516 km (0.099 R)
• M38: 15,490,560 km (0.115 R)
• M39: 15,745,026 km (0.072 R)
• M40: 16,950,636 km (0.078 R)
• M41: 17,256,713 km (0.083 R)
• M42: 18,724,118 km (0.094 R)
• M43: 18,904,683 km (0.109 R)
• M44: 19,085,846 km (0.069 R)
• M45: 19,267,607 km (0.103 R)
• M46: 19,449,967 km (0.064 R)
• M47: 19,862,408 km (0.068 R)
• M48: 21,069,813 km (0.096 R)
• M49: 21,635,143 km (0.084 R)
• M50: 21,729,988 km (0.086 R)
• M51: 22,062,544 km (0.108 R)
• M52: 22,205,560 km (0.105 R)
• M53: 22,301,153 km (0.107 R)
• M54: 23,409,673 km (0.118 R)
• M55: 23,995,199 km (0.08 R)
• M56: 24,093,335 km (0.092 R)
• M57: 24,437,560 km (0.1 R)
• M58: 24,833,097 km (0.104 R)
• M59: 25,380,176 km (0.116 R)
• M60: 25,480,108 km (0.077 R)
• M61: 25,830,915 km (0.11 R)
• M62: 26,082,538 km (0.087 R)
• M63: 26,385,324 km (0.114 R)
• M64: 26,689,457 km (0.095 R)
• M65: 27,968,968 km (0.116 R)
• M66: 28,123,951 km (0.116 R)
• M67: 28,590,397 km (0.088 R)
• M68: 28,798,488 km (0.086 R)
• M69: 29,268,524 km (0.064 R)
• M70: 32,412,772 km (0.054 R)
• M71: 33,174,525 km (0.03 R)
• M72: 33,557,645 km (0.072 R)
• M73: 33,997,163 km (0.075 R)
• M74: 35,550,887 km (0.106 R)
• M75: 35,662,786 km (0.073 R)
• M76: 35,774,685 km (0.096 R)
• M77: 36,223,928 km (0.12 R)
• M78: 36,957,705 km (0.073 R)
• M79: 37,354,738 km (0.067 R)
• M80: 38,153,441 km (0.082 R)
• M81: 38,267,883 km (0.047 R)
• M82: 38,439,921 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 640.3

Radius: 5.2

Gravity: 23.68 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 8.52 AU - 12.12 AU

Year: 21406 Days

Day: 24.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 77,843,251 km

• M1: 120,277 km (0.073 R)
• M2: 686,953 km (0.1 R)
• M3: 807,081 km (0.091 R)
• M4: 1,123,181 km (0.109 R)
• M5: 1,758,972 km (0.031 R)
• M6: 1,924,577 km (0.114 R)
• M7: 2,095,118 km (0.083 R)
• M8: 2,235,142 km (0.078 R)
• M9: 2,487,513 km (0.034 R)
• M10: 2,711,013 km (0.09 R)
• M11: 2,748,861 km (0.042 R)
• M12: 3,257,494 km (0.08 R)
• M13: 3,460,797 km (0.065 R)
• M14: 4,314,851 km (0.115 R)
• M15: 4,765,141 km (0.089 R)
• M16: 5,183,117 km (0.053 R)
• M17: 5,710,001 km (0.056 R)
• M18: 6,455,447 km (0.071 R)
• M19: 6,762,123 km (0.045 R)
• M20: 6,865,495 km (0.098 R)
• M21: 7,125,945 km (0.106 R)
• M22: 7,710,573 km (0.091 R)
• M23: 7,981,346 km (0.057 R)
• M24: 8,200,207 km (0.107 R)
• M25: 8,981,856 km (0.104 R)
• M26: 9,038,554 km (0.097 R)
• M27: 9,095,401 km (0.113 R)
• M28: 10,435,648 km (0.098 R)
• M29: 11,403,846 km (0.109 R)
• M30: 11,712,167 km (0.11 R)
• M31: 12,463,447 km (0.09 R)
• M32: 14,276,274 km (0.117 R)
• M33: 14,608,531 km (0.092 R)
• M34: 14,675,402 km (0.063 R)
• M35: 15,416,509 km (0.111 R)
• M36: 16,100,770 km (0.117 R)
• M37: 16,307,963 km (0.1 R)
• M38: 17,357,243 km (0.109 R)
• M39: 17,640,731 km (0.077 R)
• M40: 18,717,386 km (0.085 R)
• M41: 19,593,880 km (0.09 R)
• M42: 19,889,037 km (0.118 R)
• M43: 21,084,324 km (0.099 R)
• M44: 21,538,503 km (0.098 R)
• M45: 21,843,084 km (0.093 R)
• M46: 21,919,379 km (0.052 R)
• M47: 23,700,342 km (0.109 R)
• M48: 26,254,277 km (0.091 R)
• M49: 26,335,359 km (0.093 R)
• M50: 26,498,121 km (0.069 R)
• M51: 27,070,034 km (0.081 R)
• M52: 28,559,430 km (0.026 R)
• M53: 31,272,088 km (0.073 R)
• M54: 32,484,579 km (0.105 R)
• M55: 34,154,391 km (0.095 R)
• M56: 34,420,675 km (0.079 R)
• M57: 34,687,557 km (0.119 R)
• M58: 35,761,969 km (0.083 R)
• M59: 38,495,571 km (0.09 R)
• M60: 39,328,682 km (0.052 R)
• M61: 39,700,732 km (0.062 R)
• M62: 39,793,931 km (0.087 R)
• M63: 40,074,128 km (0.1 R)
• M64: 40,167,627 km (0.061 R)
• M65: 41,579,083 km (0.113 R)
• M66: 42,338,441 km (0.1 R)
• M67: 42,529,029 km (0.027 R)
• M68: 44,547,104 km (0.064 R)
• M69: 45,032,250 km (0.057 R)
• M70: 45,616,580 km (0.106 R)
• M71: 46,399,724 km (0.087 R)
• M72: 47,286,092 km (0.079 R)
• M73: 48,277,327 km (0.077 R)
• M74: 49,877,725 km (0.111 R)
• M75: 49,978,405 km (0.095 R)
• M76: 50,381,421 km (0.039 R)
• M77: 51,597,054 km (0.09 R)
• M78: 51,800,656 km (0.116 R)
• M79: 52,208,460 km (0.081 R)
• M80: 52,515,136 km (0.066 R)
• M81: 54,367,457 km (0.075 R)
• M82: 54,781,992 km (0.086 R)
• M83: 58,984,496 km (0.076 R)
• M84: 60,265,353 km (0.077 R)
• M85: 63,507,288 km (0.033 R)
• M86: 64,929,665 km (0.111 R)
• M87: 65,920,601 km (0.115 R)
• M88: 66,251,960 km (0.073 R)
• M89: 66,583,918 km (0.075 R)
• M90: 74,599,521 km (0.118 R)
• M91: 77,493,492 km (0.117 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 155 - 14,098 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit