🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.43 AU - 3.43 AU

Year: 1879 Days

Day: 36.4 Hours

Environment

Temp: -108 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,770,711 km

• M1: 386,112 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.3

Radius: 14

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5.45 AU - 5.61 AU

Year: 4873 Days

Day: 6.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 68,770,711 km

• M1: 189,690 km (0.119 R)
• M2: 319,840 km (0.061 R)
• M3: 446,101 km (0.068 R)
• M4: 626,815 km (0.099 R)
• M5: 755,768 km (0.115 R)
• M6: 859,290 km (0.067 R)
• M7: 1,056,759 km (0.116 R)
• M8: 1,161,478 km (0.12 R)
• M9: 1,270,086 km (0.119 R)
• M10: 1,483,712 km (0.104 R)
• M11: 1,572,722 km (0.085 R)
• M12: 1,694,196 km (0.115 R)
• M13: 1,834,967 km (0.09 R)
• M14: 2,179,192 km (0.103 R)
• M15: 2,526,409 km (0.091 R)
• M16: 2,634,119 km (0.054 R)
• M17: 2,891,727 km (0.066 R)
• M18: 3,099,967 km (0.083 R)
• M19: 3,332,891 km (0.085 R)
• M20: 3,837,036 km (0.078 R)
• M21: 4,108,706 km (0.061 R)
• M22: 4,386,958 km (0.058 R)
• M23: 4,649,203 km (0.078 R)
• M24: 5,052,518 km (0.034 R)
• M25: 6,403,686 km (0.108 R)
• M26: 7,106,647 km (0.109 R)
• M27: 7,441,447 km (0.115 R)
• M28: 7,597,627 km (0.057 R)
• M29: 7,913,578 km (0.106 R)
• M30: 8,777,057 km (0.099 R)
• M31: 8,942,213 km (0.074 R)
• M32: 9,080,740 km (0.116 R)
• M33: 9,247,991 km (0.117 R)
• M34: 9,388,014 km (0.08 R)
• M35: 9,670,455 km (0.101 R)
• M36: 9,784,150 km (0.054 R)
• M37: 9,926,866 km (0.11 R)
• M38: 10,127,925 km (0.113 R)
• M39: 10,446,719 km (0.12 R)
• M40: 10,534,233 km (0.098 R)
• M41: 11,094,178 km (0.109 R)
• M42: 11,362,856 km (0.104 R)
• M43: 11,694,066 km (0.072 R)
• M44: 12,273,907 km (0.082 R)
• M45: 12,458,810 km (0.111 R)
• M46: 12,613,793 km (0.111 R)
• M47: 12,831,757 km (0.064 R)
• M48: 13,748,044 km (0.041 R)
• M49: 13,844,086 km (0.068 R)
• M50: 14,359,900 km (0.114 R)
• M51: 14,718,187 km (0.035 R)
• M52: 14,849,234 km (0.073 R)
• M53: 15,844,359 km (0.103 R)
• M54: 16,724,144 km (0.048 R)
• M55: 16,895,135 km (0.101 R)
• M56: 19,171,117 km (0.092 R)
• M57: 19,421,992 km (0.071 R)
• M58: 19,673,915 km (0.053 R)
• M59: 19,999,291 km (0.103 R)
• M60: 20,108,198 km (0.091 R)
• M61: 20,399,614 km (0.099 R)
• M62: 20,509,270 km (0.071 R)
• M63: 20,765,830 km (0.058 R)
• M64: 21,430,344 km (0.108 R)
• M65: 21,989,541 km (0.09 R)
• M66: 22,102,038 km (0.052 R)
• M67: 22,214,685 km (0.119 R)
• M68: 22,666,920 km (0.06 R)
• M69: 22,780,614 km (0.095 R)
• M70: 23,351,180 km (0.12 R)
• M71: 23,542,516 km (0.064 R)
• M72: 23,657,557 km (0.057 R)
• M73: 23,772,747 km (0.055 R)
• M74: 24,429,183 km (0.092 R)
• M75: 26,116,048 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.5

Radius: 13.3

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.92 AU - 6.22 AU

Year: 4926 Days

Day: 10.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 68,770,711 km

• M1: 213,027 km (0.053 R)
• M2: 329,714 km (0.061 R)
• M3: 448,644 km (0.097 R)
• M4: 535,860 km (0.079 R)
• M5: 708,645 km (0.102 R)
• M6: 1,198,728 km (0.065 R)
• M7: 1,419,235 km (0.108 R)
• M8: 1,685,818 km (0.071 R)
• M9: 1,817,016 km (0.105 R)
• M10: 1,917,845 km (0.063 R)
• M11: 2,178,145 km (0.109 R)
• M12: 2,506,213 km (0.074 R)
• M13: 2,638,158 km (0.05 R)
• M14: 2,850,288 km (0.089 R)
• M15: 2,948,724 km (0.084 R)
• M16: 3,250,612 km (0.061 R)
• M17: 3,436,712 km (0.086 R)
• M18: 3,626,552 km (0.03 R)
• M19: 3,884,907 km (0.113 R)
• M20: 5,194,038 km (0.108 R)
• M21: 5,535,121 km (0.088 R)
• M22: 5,758,321 km (0.069 R)
• M23: 6,368,082 km (0.082 R)
• M24: 6,628,382 km (0.086 R)
• M25: 7,025,266 km (0.076 R)
• M26: 7,457,454 km (0.092 R)
• M27: 8,037,594 km (0.041 R)
• M28: 8,262,590 km (0.11 R)
• M29: 8,603,822 km (0.071 R)
• M30: 9,300,350 km (0.096 R)
• M31: 9,536,565 km (0.102 R)
• M32: 9,924,772 km (0.073 R)
• M33: 10,716,743 km (0.11 R)
• M34: 11,308,253 km (0.11 R)
• M35: 11,402,649 km (0.104 R)
• M36: 11,878,520 km (0.114 R)
• M37: 12,360,973 km (0.097 R)
• M38: 12,555,749 km (0.106 R)
• M39: 12,718,811 km (0.089 R)
• M40: 13,378,238 km (0.101 R)
• M41: 14,730,603 km (0.11 R)
• M42: 14,937,198 km (0.095 R)
• M43: 15,527,661 km (0.102 R)
• M44: 15,878,767 km (0.107 R)
• M45: 16,232,416 km (0.102 R)
• M46: 16,517,101 km (0.112 R)
• M47: 16,696,020 km (0.032 R)
• M48: 16,947,494 km (0.079 R)
• M49: 17,745,898 km (0.109 R)
• M50: 17,929,155 km (0.113 R)
• M51: 18,186,613 km (0.084 R)
• M52: 18,593,819 km (0.039 R)
• M53: 19,004,016 km (0.093 R)
• M54: 19,341,808 km (0.096 R)
• M55: 20,099,820 km (0.063 R)
• M56: 20,713,172 km (0.052 R)
• M57: 21,254,865 km (0.094 R)
• M58: 21,879,736 km (0.1 R)
• M59: 22,115,652 km (0.115 R)
• M60: 22,510,590 km (0.101 R)
• M61: 22,947,865 km (0.078 R)
• M62: 23,347,740 km (0.12 R)
• M63: 23,709,617 km (0.104 R)
• M64: 24,073,439 km (0.045 R)
• M65: 24,235,753 km (0.106 R)
• M66: 24,357,675 km (0.075 R)
• M67: 25,011,418 km (0.083 R)
• M68: 25,299,394 km (0.075 R)
• M69: 25,836,899 km (0.077 R)
• M70: 26,086,278 km (0.081 R)
• M71: 26,461,769 km (0.072 R)
• M72: 26,713,243 km (0.106 R)
• M73: 26,797,167 km (0.061 R)
• M74: 27,599,162 km (0.1 R)
• M75: 27,981,983 km (0.108 R)
• M76: 28,452,019 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.9

Radius: 13.7

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 9.97 AU - 10.43 AU

Year: 12208 Days

Day: 15 Hours

Environment

Temp: -175 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 68,770,711 km

• M1: 211,980 km (0.108 R)
• M2: 408,103 km (0.078 R)
• M3: 858,841 km (0.112 R)
• M4: 1,127,968 km (0.068 R)
• M5: 1,367,624 km (0.104 R)
• M6: 1,832,873 km (0.112 R)
• M7: 1,984,266 km (0.038 R)
• M8: 2,072,678 km (0.091 R)
• M9: 2,185,326 km (0.106 R)
• M10: 2,416,754 km (0.107 R)
• M11: 3,133,627 km (0.068 R)
• M12: 3,556,540 km (0.103 R)
• M13: 3,665,297 km (0.091 R)
• M14: 4,456,969 km (0.088 R)
• M15: 5,146,466 km (0.106 R)
• M16: 5,238,917 km (0.073 R)
• M17: 5,331,818 km (0.088 R)
• M18: 5,519,563 km (0.074 R)
• M19: 5,837,309 km (0.1 R)
• M20: 5,933,800 km (0.055 R)
• M21: 6,292,236 km (0.08 R)
• M22: 6,424,331 km (0.114 R)
• M23: 7,133,275 km (0.051 R)
• M24: 7,236,498 km (0.094 R)
• M25: 7,340,468 km (0.113 R)
• M26: 7,514,600 km (0.104 R)
• M27: 7,796,143 km (0.078 R)
• M28: 7,938,261 km (0.067 R)
• M29: 8,152,934 km (0.111 R)
• M30: 9,709,799 km (0.094 R)
• M31: 10,016,774 km (0.068 R)
• M32: 10,171,458 km (0.05 R)
• M33: 11,639,462 km (0.092 R)
• M34: 12,047,565 km (0.114 R)
• M35: 12,377,429 km (0.097 R)
• M36: 13,004,094 km (0.106 R)
• M37: 13,769,736 km (0.11 R)
• M38: 14,901,444 km (0.041 R)
• M39: 15,300,122 km (0.107 R)
• M40: 15,702,391 km (0.113 R)
• M41: 16,062,922 km (0.102 R)
• M42: 16,426,145 km (0.118 R)
• M43: 17,485,598 km (0.095 R)
• M44: 17,672,146 km (0.115 R)
• M45: 17,812,469 km (0.062 R)
• M46: 18,330,227 km (0.04 R)
• M47: 18,805,200 km (0.094 R)
• M48: 18,996,237 km (0.052 R)
• M49: 19,140,000 km (0.099 R)
• M50: 20,010,361 km (0.088 R)
• M51: 20,156,518 km (0.109 R)
• M52: 21,141,021 km (0.059 R)
• M53: 21,290,021 km (0.111 R)
• M54: 21,939,874 km (0.095 R)
• M55: 22,901,340 km (0.108 R)
• M56: 23,515,588 km (0.076 R)
• M57: 23,670,123 km (0.058 R)
• M58: 23,773,196 km (0.115 R)
• M59: 24,187,283 km (0.109 R)
• M60: 24,291,253 km (0.11 R)
• M61: 24,917,620 km (0.096 R)
• M62: 25,443,755 km (0.102 R)
• M63: 25,814,309 km (0.114 R)
• M64: 26,453,691 km (0.104 R)
• M65: 26,614,209 km (0.062 R)
• M66: 27,314,178 km (0.071 R)
• M67: 27,639,254 km (0.115 R)
• M68: 28,129,187 km (0.092 R)
• M69: 28,402,801 km (0.118 R)
• M70: 28,622,112 km (0.056 R)
• M71: 29,394,635 km (0.115 R)
• M72: 30,229,840 km (0.098 R)
• M73: 34,990,493 km (0.096 R)
• M74: 35,284,752 km (0.098 R)
• M75: 35,875,514 km (0.03 R)
• M76: 36,290,947 km (0.108 R)
• M77: 37,306,717 km (0.072 R)
• M78: 40,040,468 km (0.105 R)
• M79: 40,409,826 km (0.025 R)
• M80: 40,594,878 km (0.083 R)
• M81: 40,904,097 km (0.031 R)
• M82: 41,649,244 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.1

Radius: 11.9

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 9.25 AU - 13.67 AU

Year: 14538 Days

Day: 5.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 68,770,711 km

• M1: 148,850 km (0.09 R)
• M2: 354,846 km (0.029 R)
• M3: 488,736 km (0.071 R)
• M4: 632,201 km (0.062 R)
• M5: 744,698 km (0.105 R)
• M6: 914,492 km (0.042 R)
• M7: 1,031,029 km (0.093 R)
• M8: 1,194,689 km (0.055 R)
• M9: 1,456,784 km (0.058 R)
• M10: 2,036,625 km (0.053 R)
• M11: 2,209,710 km (0.084 R)
• M12: 2,316,074 km (0.082 R)
• M13: 2,552,439 km (0.08 R)
• M14: 2,626,789 km (0.046 R)
• M15: 2,912,371 km (0.102 R)
• M16: 3,914,228 km (0.086 R)
• M17: 4,828,421 km (0.115 R)
• M18: 5,273,923 km (0.052 R)
• M19: 5,417,388 km (0.074 R)
• M20: 5,513,878 km (0.078 R)
• M21: 5,929,910 km (0.11 R)
• M22: 6,204,572 km (0.03 R)
• M23: 6,381,696 km (0.108 R)
• M24: 6,637,508 km (0.03 R)
• M25: 7,212,113 km (0.073 R)
• M26: 7,694,267 km (0.089 R)
• M27: 7,802,875 km (0.094 R)
• M28: 8,633,592 km (0.086 R)
• M29: 9,990,894 km (0.057 R)
• M30: 10,891,772 km (0.049 R)
• M31: 12,931,539 km (0.097 R)
• M32: 13,484,303 km (0.044 R)
• M33: 13,648,263 km (0.104 R)
• M34: 13,879,092 km (0.105 R)
• M35: 14,411,361 km (0.074 R)
• M36: 15,393,322 km (0.046 R)
• M37: 15,667,983 km (0.119 R)
• M38: 16,396,824 km (0.093 R)
• M39: 16,959,462 km (0.093 R)
• M40: 17,564,286 km (0.078 R)
• M41: 18,103,886 km (0.041 R)
• M42: 19,420,945 km (0.08 R)
• M43: 20,241,041 km (0.111 R)
• M44: 20,920,365 km (0.032 R)
• M45: 20,996,360 km (0.108 R)
• M46: 22,807,542 km (0.11 R)
• M47: 23,435,404 km (0.074 R)
• M48: 24,148,687 km (0.079 R)
• M49: 24,228,422 km (0.108 R)
• M50: 24,788,666 km (0.114 R)
• M51: 26,208,051 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 37.1

Radius: 5.9

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 16.04 AU - 16.92 AU

Year: 25071 Days

Day: 18.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 68,770,711 km

• M1: 221,554 km (0.051 R)
• M2: 292,015 km (0.096 R)
• M3: 381,624 km (0.067 R)
• M4: 527,781 km (0.061 R)
• M5: 691,890 km (0.05 R)
• M6: 901,028 km (0.092 R)
• M7: 1,161,328 km (0.063 R)
• M8: 1,341,893 km (0.052 R)
• M9: 1,409,810 km (0.097 R)
• M10: 1,638,695 km (0.052 R)
• M11: 1,748,350 km (0.095 R)
• M12: 1,898,247 km (0.09 R)
• M13: 2,071,931 km (0.119 R)
• M14: 2,352,427 km (0.117 R)
• M15: 2,539,125 km (0.102 R)
• M16: 2,730,610 km (0.093 R)
• M17: 2,904,891 km (0.096 R)
• M18: 3,060,324 km (0.115 R)
• M19: 3,218,449 km (0.035 R)
• M20: 3,264,226 km (0.095 R)
• M21: 3,425,791 km (0.11 R)
• M22: 4,073,700 km (0.092 R)
• M23: 4,148,050 km (0.069 R)
• M24: 4,706,648 km (0.062 R)
• M25: 4,994,774 km (0.06 R)
• M26: 5,047,881 km (0.085 R)
• M27: 5,533,326 km (0.098 R)
• M28: 6,232,247 km (0.119 R)
• M29: 6,752,549 km (0.036 R)
• M30: 7,467,776 km (0.053 R)
• M31: 7,803,623 km (0.051 R)
• M32: 8,490,128 km (0.047 R)
• M33: 9,098,393 km (0.075 R)
• M34: 9,293,469 km (0.1 R)
• M35: 9,489,891 km (0.096 R)
• M36: 9,853,413 km (0.086 R)
• M37: 10,187,914 km (0.104 R)
• M38: 11,352,982 km (0.117 R)
• M39: 11,492,856 km (0.117 R)
• M40: 12,272,112 km (0.085 R)
• M41: 12,559,788 km (0.09 R)
• M42: 13,104,923 km (0.096 R)
• M43: 13,288,330 km (0.107 R)
• M44: 13,769,287 km (0.075 R)
• M45: 14,558,266 km (0.114 R)
• M46: 14,596,264 km (0.118 R)
• M47: 15,284,714 km (0.064 R)
• M48: 16,179,758 km (0.11 R)
• M49: 16,653,385 km (0.082 R)
• M50: 17,292,018 km (0.112 R)
• M51: 17,574,010 km (0.104 R)
• M52: 17,816,957 km (0.104 R)
• M53: 20,010,062 km (0.059 R)
• M54: 20,518,395 km (0.081 R)
• M55: 20,987,983 km (0.072 R)
• M56: 21,073,852 km (0.083 R)
• M57: 22,199,426 km (0.082 R)
• M58: 23,790,101 km (0.104 R)
• M59: 25,691,639 km (0.105 R)
• M60: 25,783,492 km (0.076 R)
• M61: 25,967,348 km (0.055 R)
• M62: 26,105,427 km (0.101 R)
• M63: 26,986,259 km (0.106 R)
• M64: 28,396,817 km (0.052 R)
• M65: 30,557,160 km (0.041 R)
• M66: 30,995,482 km (0.116 R)
• M67: 31,681,538 km (0.107 R)
• M68: 32,670,380 km (0.109 R)
• M69: 32,819,529 km (0.116 R)
• M70: 32,869,345 km (0.077 R)
• M71: 32,919,011 km (0.094 R)
• M72: 32,968,977 km (0.103 R)
• M73: 33,068,609 km (0.117 R)
• M74: 33,268,472 km (0.074 R)

Asteroid Belt

Center: 17.78 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 19.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207.4

Radius: 5.7

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 15.76 AU - 22.4 AU

Year: 31232 Days

Day: 18.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 68,770,711 km

• M1: 265,237 km (0.09 R)
• M2: 358,885 km (0.111 R)
• M3: 520,750 km (0.078 R)
• M4: 1,713,644 km (0.072 R)
• M5: 1,925,773 km (0.082 R)
• M6: 2,680,495 km (0.069 R)
• M7: 3,143,500 km (0.079 R)
• M8: 3,631,189 km (0.05 R)
• M9: 3,982,445 km (0.038 R)
• M10: 4,467,740 km (0.087 R)
• M11: 4,591,907 km (0.045 R)
• M12: 4,971,436 km (0.11 R)
• M13: 5,100,240 km (0.059 R)
• M14: 6,587,991 km (0.11 R)
• M15: 6,871,928 km (0.075 R)
• M16: 7,256,843 km (0.096 R)
• M17: 7,599,422 km (0.092 R)
• M18: 8,453,028 km (0.119 R)
• M19: 10,249,549 km (0.092 R)
• M20: 10,413,657 km (0.091 R)
• M21: 12,565,174 km (0.116 R)
• M22: 12,740,802 km (0.114 R)
• M23: 13,931,900 km (0.089 R)
• M24: 14,910,121 km (0.114 R)
• M25: 14,971,904 km (0.116 R)
• M26: 15,784,071 km (0.064 R)
• M27: 16,931,936 km (0.09 R)
• M28: 18,570,332 km (0.106 R)
• M29: 20,464,540 km (0.094 R)
• M30: 21,086,418 km (0.062 R)
• M31: 21,925,064 km (0.117 R)
• M32: 22,917,197 km (0.072 R)
• M33: 23,923,991 km (0.057 R)
• M34: 24,359,919 km (0.111 R)
• M35: 25,313,306 km (0.111 R)
• M36: 25,461,109 km (0.111 R)
• M37: 29,014,956 km (0.118 R)
• M38: 30,731,143 km (0.12 R)
• M39: 31,046,644 km (0.081 R)
• M40: 33,204,444 km (0.114 R)
• M41: 33,853,101 km (0.103 R)
• M42: 34,915,993 km (0.055 R)
• M43: 35,906,780 km (0.038 R)
• M44: 36,489,015 km (0.075 R)
• M45: 42,655,888 km (0.079 R)
• M46: 44,069,438 km (0.102 R)
• M47: 45,767,973 km (0.073 R)
• M48: 46,851,660 km (0.085 R)
• M49: 46,942,316 km (0.103 R)
• M50: 47,123,928 km (0.104 R)
• M51: 49,044,316 km (0.047 R)
• M52: 49,505,227 km (0.087 R)
• M53: 51,083,335 km (0.079 R)
• M54: 52,207,263 km (0.108 R)
• M55: 52,583,652 km (0.12 R)
• M56: 57,947,483 km (0.078 R)
• M57: 59,021,297 km (0.097 R)
• M58: 59,217,270 km (0.112 R)
• M59: 62,681,358 km (0.104 R)
• M60: 65,601,060 km (0.1 R)
• M61: 67,333,104 km (0.045 R)
• M62: 67,947,951 km (0.098 R)
• M63: 68,050,575 km (0.055 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 18,066 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit