🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.49 AU - 0.81 AU

Year: 198 Days

Day: 34.5 Hours

Environment

Temp: 107 °C

Axial Tilt: 141.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.86 AU - 0.94 AU

Year: 323 Days

Day: 41.3 Hours

Environment

Temp: 24 °C

Axial Tilt: 32.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.07 AU - 1.39 AU

Year: 517 Days

Day: 41.5 Hours

Environment

Temp: -38 °C

Axial Tilt: 15.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.26 AU - 2.06 AU

Year: 810 Days

Day: 44.5 Hours

Environment

Temp: -59 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.44 AU - 1.98 AU

Year: 847 Days

Day: 27.9 Hours

Environment

Temp: -62 °C

Axial Tilt: 2.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,963,350 km

• M1: 535,261 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.2

Radius: 11.7

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.23 AU - 6.25 AU

Year: 4543 Days

Day: 11.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 75.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 88,963,350 km

• M1: 196,422 km (0.07 R)
• M2: 281,693 km (0.098 R)
• M3: 363,972 km (0.074 R)
• M4: 438,471 km (0.059 R)
• M5: 666,010 km (0.036 R)
• M6: 750,981 km (0.101 R)
• M7: 933,192 km (0.108 R)
• M8: 1,072,916 km (0.077 R)
• M9: 1,437,486 km (0.074 R)
• M10: 2,335,223 km (0.064 R)
• M11: 2,829,644 km (0.119 R)
• M12: 3,575,838 km (0.061 R)
• M13: 3,709,728 km (0.091 R)
• M14: 4,075,046 km (0.082 R)
• M15: 4,215,219 km (0.04 R)
• M16: 4,500,054 km (0.058 R)
• M17: 4,596,544 km (0.115 R)
• M18: 4,718,018 km (0.1 R)
• M19: 4,889,906 km (0.071 R)
• M20: 5,039,055 km (0.119 R)
• M21: 5,469,448 km (0.1 R)
• M22: 5,572,521 km (0.118 R)
• M23: 5,832,971 km (0.097 R)
• M24: 6,638,406 km (0.062 R)
• M25: 6,942,538 km (0.112 R)
• M26: 7,251,308 km (0.054 R)
• M27: 7,564,416 km (0.095 R)
• M28: 7,911,334 km (0.106 R)
• M29: 8,174,925 km (0.115 R)
• M30: 8,411,589 km (0.071 R)
• M31: 9,504,850 km (0.036 R)
• M32: 9,879,144 km (0.087 R)
• M33: 10,417,846 km (0.105 R)
• M34: 10,674,556 km (0.049 R)
• M35: 11,589,796 km (0.115 R)
• M36: 11,855,930 km (0.094 R)
• M37: 12,734,968 km (0.081 R)
• M38: 12,837,741 km (0.045 R)
• M39: 13,009,629 km (0.052 R)
• M40: 13,251,529 km (0.119 R)
• M41: 13,529,931 km (0.106 R)
• M42: 13,704,811 km (0.104 R)
• M43: 14,021,659 km (0.12 R)
• M44: 14,234,237 km (0.112 R)
• M45: 14,734,343 km (0.118 R)
• M46: 14,950,512 km (0.058 R)
• M47: 15,204,080 km (0.055 R)
• M48: 15,385,991 km (0.081 R)
• M49: 15,605,302 km (0.084 R)
• M50: 15,788,858 km (0.119 R)
• M51: 16,009,964 km (0.097 R)
• M52: 16,604,915 km (0.073 R)
• M53: 17,207,046 km (0.105 R)
• M54: 17,282,743 km (0.08 R)
• M55: 19,016,881 km (0.067 R)
• M56: 19,095,271 km (0.119 R)
• M57: 19,331,037 km (0.048 R)
• M58: 19,449,219 km (0.105 R)
• M59: 19,964,285 km (0.099 R)
• M60: 20,083,813 km (0.08 R)
• M61: 20,604,414 km (0.098 R)
• M62: 21,170,193 km (0.095 R)
• M63: 21,863,878 km (0.07 R)
• M64: 22,192,994 km (0.072 R)
• M65: 22,440,877 km (0.113 R)
• M66: 24,541,979 km (0.049 R)
• M67: 24,841,175 km (0.118 R)
• M68: 25,012,614 km (0.069 R)
• M69: 25,270,671 km (0.072 R)
• M70: 25,443,157 km (0.096 R)
• M71: 25,745,943 km (0.052 R)
• M72: 26,442,471 km (0.085 R)
• M73: 26,969,055 km (0.049 R)
• M74: 27,189,413 km (0.067 R)
• M75: 27,454,800 km (0.066 R)
• M76: 27,543,362 km (0.09 R)
• M77: 27,676,504 km (0.115 R)
• M78: 28,166,287 km (0.056 R)
• M79: 28,255,747 km (0.074 R)
• M80: 29,517,006 km (0.032 R)
• M81: 30,063,188 km (0.044 R)
• M82: 30,337,401 km (0.101 R)
• M83: 30,750,590 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.4

Radius: 14.6

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.8 AU - 6.02 AU

Year: 5442 Days

Day: 5.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 88,963,350 km

• M1: 186,698 km (0.068 R)
• M2: 299,196 km (0.118 R)
• M3: 397,781 km (0.084 R)
• M4: 493,823 km (0.066 R)
• M5: 831,615 km (0.106 R)
• M6: 1,227,750 km (0.079 R)
• M7: 1,336,208 km (0.101 R)
• M8: 1,448,107 km (0.076 R)
• M9: 1,751,342 km (0.092 R)
• M10: 2,001,769 km (0.077 R)
• M11: 2,302,760 km (0.06 R)
• M12: 2,538,377 km (0.115 R)
• M13: 2,740,783 km (0.117 R)
• M14: 2,948,873 km (0.06 R)
• M15: 3,314,640 km (0.099 R)
• M16: 3,425,043 km (0.119 R)
• M17: 3,581,822 km (0.106 R)
• M18: 3,786,920 km (0.115 R)
• M19: 4,185,150 km (0.094 R)
• M20: 4,547,925 km (0.095 R)
• M21: 4,971,586 km (0.065 R)
• M22: 5,591,370 km (0.075 R)
• M23: 5,856,906 km (0.101 R)
• M24: 6,400,694 km (0.118 R)
• M25: 7,741,989 km (0.112 R)
• M26: 8,399,172 km (0.082 R)
• M27: 8,734,571 km (0.039 R)
• M28: 8,857,690 km (0.084 R)
• M29: 9,261,604 km (0.056 R)
• M30: 9,387,117 km (0.087 R)
• M31: 9,576,508 km (0.061 R)
• M32: 11,337,424 km (0.102 R)
• M33: 11,980,695 km (0.078 R)
• M34: 12,670,491 km (0.031 R)
• M35: 12,845,072 km (0.107 R)
• M36: 13,161,172 km (0.047 R)
• M37: 13,302,542 km (0.088 R)
• M38: 13,586,778 km (0.083 R)
• M39: 13,801,152 km (0.083 R)
• M40: 14,560,810 km (0.106 R)
• M41: 14,817,071 km (0.059 R)
• M42: 14,964,125 km (0.083 R)
• M43: 15,520,031 km (0.12 R)
• M44: 15,894,475 km (0.111 R)
• M45: 16,082,818 km (0.119 R)
• M46: 16,271,760 km (0.115 R)
• M47: 16,499,748 km (0.095 R)
• M48: 16,690,335 km (0.079 R)
• M49: 17,035,458 km (0.099 R)
• M50: 17,693,838 km (0.087 R)
• M51: 18,281,757 km (0.117 R)
• M52: 18,558,214 km (0.091 R)
• M53: 19,436,503 km (0.077 R)
• M54: 19,597,620 km (0.108 R)
• M55: 19,961,741 km (0.113 R)
• M56: 20,491,767 km (0.116 R)
• M57: 20,902,562 km (0.102 R)
• M58: 23,381,698 km (0.103 R)
• M59: 23,724,876 km (0.119 R)
• M60: 24,286,317 km (0.119 R)
• M61: 24,460,000 km (0.064 R)
• M62: 24,939,611 km (0.096 R)
• M63: 25,422,213 km (0.102 R)
• M64: 25,554,458 km (0.117 R)
• M65: 25,952,388 km (0.096 R)
• M66: 26,218,822 km (0.083 R)
• M67: 26,396,993 km (0.047 R)
• M68: 26,888,871 km (0.092 R)
• M69: 27,113,567 km (0.099 R)
• M70: 27,655,261 km (0.112 R)
• M71: 27,927,379 km (0.116 R)
• M72: 28,018,335 km (0.063 R)
• M73: 28,611,640 km (0.104 R)
• M74: 28,749,270 km (0.107 R)
• M75: 29,209,283 km (0.11 R)
• M76: 29,347,661 km (0.025 R)
• M77: 29,440,113 km (0.067 R)
• M78: 31,309,338 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.1

Radius: 14.9

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 6.94 AU - 8.78 AU

Year: 8346 Days

Day: 11.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 88,963,350 km

• M1: 189,690 km (0.085 R)
• M2: 295,605 km (0.056 R)
• M3: 412,142 km (0.113 R)
• M4: 667,954 km (0.092 R)
• M5: 943,813 km (0.107 R)
• M6: 1,057,507 km (0.087 R)
• M7: 1,363,884 km (0.12 R)
• M8: 1,472,641 km (0.085 R)
• M9: 1,781,711 km (0.113 R)
• M10: 1,926,073 km (0.074 R)
• M11: 2,074,474 km (0.111 R)
• M12: 2,383,244 km (0.092 R)
• M13: 2,570,540 km (0.072 R)
• M14: 3,443,294 km (0.072 R)
• M15: 3,549,060 km (0.12 R)
• M16: 3,841,973 km (0.057 R)
• M17: 4,583,828 km (0.114 R)
• M18: 4,734,174 km (0.109 R)
• M19: 5,160,827 km (0.073 R)
• M20: 5,299,953 km (0.113 R)
• M21: 5,475,731 km (0.057 R)
• M22: 5,743,062 km (0.071 R)
• M23: 6,032,983 km (0.106 R)
• M24: 6,346,390 km (0.11 R)
• M25: 6,665,184 km (0.113 R)
• M26: 6,970,064 km (0.101 R)
• M27: 7,085,554 km (0.051 R)
• M28: 7,396,867 km (0.098 R)
• M29: 7,732,564 km (0.039 R)
• M30: 7,892,185 km (0.086 R)
• M31: 8,398,574 km (0.076 R)
• M32: 8,521,544 km (0.075 R)
• M33: 8,624,616 km (0.081 R)
• M34: 8,728,138 km (0.102 R)
• M35: 9,040,947 km (0.073 R)
• M36: 9,251,731 km (0.071 R)
• M37: 9,677,935 km (0.103 R)
• M38: 9,958,581 km (0.08 R)
• M39: 10,132,563 km (0.115 R)
• M40: 10,263,760 km (0.025 R)
• M41: 10,527,801 km (0.046 R)
• M42: 10,705,074 km (0.03 R)
• M43: 11,197,700 km (0.077 R)
• M44: 11,697,955 km (0.064 R)
• M45: 12,112,640 km (0.102 R)
• M46: 12,275,253 km (0.084 R)
• M47: 12,579,087 km (0.073 R)
• M48: 12,909,249 km (0.052 R)
• M49: 13,051,517 km (0.117 R)
• M50: 13,218,318 km (0.105 R)
• M51: 13,698,527 km (0.038 R)
• M52: 13,868,022 km (0.107 R)
• M53: 13,965,260 km (0.113 R)
• M54: 14,209,105 km (0.116 R)
• M55: 14,331,626 km (0.062 R)
• M56: 14,478,980 km (0.06 R)
• M57: 14,626,932 km (0.097 R)
• M58: 15,299,075 km (0.059 R)
• M59: 17,192,236 km (0.116 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.8

Radius: 9.7

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 8.03 AU - 12.87 AU

Year: 12794 Days

Day: 7.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 88,963,350 km

• M1: 140,772 km (0.069 R)
• M2: 305,928 km (0.107 R)
• M3: 460,911 km (0.088 R)
• M4: 793,916 km (0.083 R)
• M5: 975,977 km (0.115 R)
• M6: 1,061,546 km (0.106 R)
• M7: 1,127,370 km (0.107 R)
• M8: 1,263,504 km (0.093 R)
• M9: 1,942,977 km (0.075 R)
• M10: 2,080,009 km (0.087 R)
• M11: 2,510,252 km (0.079 R)
• M12: 2,812,590 km (0.101 R)
• M13: 2,968,171 km (0.047 R)
• M14: 3,255,399 km (0.086 R)
• M15: 4,638,282 km (0.117 R)
• M16: 5,009,434 km (0.081 R)
• M17: 5,084,832 km (0.114 R)
• M18: 5,313,417 km (0.08 R)
• M19: 5,467,653 km (0.119 R)
• M20: 6,019,220 km (0.033 R)
• M21: 6,342,351 km (0.07 R)
• M22: 6,424,032 km (0.098 R)
• M23: 6,754,344 km (0.111 R)
• M24: 7,302,770 km (0.097 R)
• M25: 8,532,464 km (0.116 R)
• M26: 8,987,092 km (0.096 R)
• M27: 9,356,599 km (0.099 R)
• M28: 9,543,147 km (0.078 R)
• M29: 10,494,440 km (0.081 R)
• M30: 11,575,584 km (0.064 R)
• M31: 11,926,989 km (0.096 R)
• M32: 13,315,108 km (0.101 R)
• M33: 13,472,485 km (0.086 R)
• M34: 13,577,802 km (0.092 R)
• M35: 13,683,268 km (0.106 R)
• M36: 14,268,645 km (0.056 R)
• M37: 15,518,984 km (0.101 R)
• M38: 15,684,738 km (0.079 R)
• M39: 16,129,343 km (0.102 R)
• M40: 18,648,422 km (0.071 R)
• M41: 19,178,597 km (0.053 R)
• M42: 19,833,237 km (0.063 R)
• M43: 20,677,268 km (0.113 R)
• M44: 22,213,189 km (0.112 R)
• M45: 22,275,422 km (0.105 R)
• M46: 23,026,403 km (0.042 R)
• M47: 24,104,406 km (0.072 R)
• M48: 25,263,789 km (0.081 R)
• M49: 25,458,715 km (0.054 R)
• M50: 26,112,308 km (0.118 R)
• M51: 27,436,100 km (0.102 R)
• M52: 28,038,830 km (0.111 R)
• M53: 28,240,637 km (0.119 R)
• M54: 28,308,106 km (0.057 R)
• M55: 28,849,351 km (0.085 R)
• M56: 29,598,986 km (0.079 R)
• M57: 29,667,502 km (0.1 R)
• M58: 32,803,073 km (0.065 R)
• M59: 34,734,382 km (0.075 R)
• M60: 35,969,162 km (0.097 R)
• M61: 39,381,939 km (0.098 R)
• M62: 39,910,318 km (0.069 R)
• M63: 40,745,374 km (0.072 R)
• M64: 41,050,404 km (0.112 R)
• M65: 41,203,143 km (0.067 R)
• M66: 41,509,370 km (0.1 R)
• M67: 41,662,708 km (0.069 R)
• M68: 42,201,111 km (0.116 R)
• M69: 42,509,731 km (0.037 R)
• M70: 43,595,961 km (0.101 R)
• M71: 43,751,842 km (0.085 R)
• M72: 44,220,831 km (0.107 R)
• M73: 45,479,249 km (0.12 R)
• M74: 48,595,672 km (0.066 R)
• M75: 48,838,319 km (0.108 R)
• M76: 50,138,774 km (0.103 R)
• M77: 51,945,617 km (0.084 R)
• M78: 52,276,378 km (0.105 R)
• M79: 53,272,999 km (0.108 R)
• M80: 53,356,325 km (0.078 R)
• M81: 53,773,703 km (0.115 R)
• M82: 54,863,822 km (0.052 R)
• M83: 55,032,120 km (0.088 R)
• M84: 55,369,314 km (0.036 R)
• M85: 55,791,778 km (0.093 R)
• M86: 56,810,240 km (0.071 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 564.8

Radius: 8

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 14.32 AU - 20.78 AU

Year: 27846 Days

Day: 18.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 88,963,350 km

• M1: 231,278 km (0.116 R)
• M2: 810,372 km (0.032 R)
• M3: 947,852 km (0.074 R)
• M4: 1,277,117 km (0.12 R)
• M5: 1,504,655 km (0.066 R)
• M6: 1,572,124 km (0.115 R)
• M7: 1,852,171 km (0.099 R)
• M8: 2,458,940 km (0.12 R)
• M9: 2,701,438 km (0.05 R)
• M10: 2,951,865 km (0.066 R)
• M11: 3,166,239 km (0.107 R)
• M12: 3,297,436 km (0.044 R)
• M13: 3,565,067 km (0.04 R)
• M14: 4,121,421 km (0.117 R)
• M15: 5,574,914 km (0.072 R)
• M16: 5,680,530 km (0.027 R)
• M17: 5,893,707 km (0.089 R)
• M18: 6,164,031 km (0.115 R)
• M19: 6,773,044 km (0.115 R)
• M20: 7,170,525 km (0.048 R)
• M21: 7,634,129 km (0.116 R)
• M22: 9,710,398 km (0.081 R)
• M23: 9,901,584 km (0.086 R)
• M24: 10,482,472 km (0.052 R)
• M25: 11,542,373 km (0.052 R)
• M26: 11,609,692 km (0.115 R)
• M27: 13,054,658 km (0.036 R)
• M28: 13,691,197 km (0.065 R)
• M29: 13,762,555 km (0.073 R)
• M30: 14,121,141 km (0.048 R)
• M31: 16,412,233 km (0.117 R)
• M32: 16,564,075 km (0.116 R)
• M33: 18,974,994 km (0.075 R)
• M34: 19,294,086 km (0.116 R)
• M35: 19,775,941 km (0.099 R)
• M36: 20,506,128 km (0.098 R)
• M37: 20,997,856 km (0.094 R)
• M38: 21,327,869 km (0.078 R)
• M39: 21,576,501 km (0.114 R)
• M40: 21,909,356 km (0.086 R)
• M41: 22,244,156 km (0.108 R)
• M42: 23,173,159 km (0.112 R)
• M43: 24,114,878 km (0.062 R)
• M44: 25,069,013 km (0.089 R)
• M45: 32,560,126 km (0.105 R)
• M46: 34,096,496 km (0.109 R)
• M47: 35,951,510 km (0.115 R)
• M48: 36,050,095 km (0.119 R)
• M49: 37,339,329 km (0.092 R)
• M50: 42,540,698 km (0.108 R)
• M51: 42,853,656 km (0.111 R)
• M52: 44,007,654 km (0.093 R)
• M53: 44,641,501 km (0.092 R)
• M54: 44,747,416 km (0.071 R)
• M55: 45,384,703 km (0.088 R)
• M56: 47,963,770 km (0.105 R)
• M57: 52,032,234 km (0.049 R)
• M58: 52,590,383 km (0.064 R)
• M59: 54,276,950 km (0.075 R)
• M60: 54,729,633 km (0.079 R)
• M61: 55,752,882 km (0.09 R)
• M62: 55,981,169 km (0.032 R)
• M63: 56,095,312 km (0.084 R)
• M64: 56,209,754 km (0.093 R)
• M65: 56,438,639 km (0.105 R)
• M66: 58,628,154 km (0.073 R)
• M67: 59,441,966 km (0.062 R)
• M68: 60,493,639 km (0.116 R)
• M69: 61,787,361 km (0.112 R)
• M70: 63,208,990 km (0.088 R)
• M71: 63,327,920 km (0.118 R)
• M72: 63,566,080 km (0.088 R)
• M73: 64,162,826 km (0.069 R)
• M74: 67,538,352 km (0.06 R)
• M75: 67,903,371 km (0.06 R)
• M76: 68,757,874 km (0.116 R)
• M77: 70,354,083 km (0.1 R)
• M78: 70,971,175 km (0.061 R)
• M79: 73,082,898 km (0.097 R)
• M80: 73,582,854 km (0.114 R)
• M81: 73,708,068 km (0.104 R)
• M82: 75,593,749 km (0.115 R)
• M83: 76,986,655 km (0.112 R)
• M84: 78,004,967 km (0.106 R)
• M85: 79,926,402 km (0.054 R)
• M86: 81,216,086 km (0.09 R)
• M87: 83,424,150 km (0.055 R)
• M88: 83,815,797 km (0.079 R)
• M89: 84,208,193 km (0.086 R)
• M90: 86,178,845 km (0.07 R)
• M91: 87,899,071 km (0.069 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 15,243 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit