Knowledge (XXG)

2018 VP1

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Earth traveling at 30 km/s and with a diameter of 12,800 km, only blocked the path of single virtual impactor for about 8 minutes (30*60*8). Due to a non-Earth like orbit, the virtual asteroids can only impact Earth for about ±10 minutes centered around the virtual impactor at 2 November 2020
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Earth approach was estimated as roughly 0.0028 AU (420,000 km; 260,000 mi). The line of variations (LOV, uncertainty region) allowed the asteroid to impact Earth or pass as far away as 0.025 AU (3,700,000 km; 2,300,000 mi). Its diameter of 2–4 meters makes it
1070: 450:, the asteroid approached Earth again around 2 November 2020 (±3 days). Where Earth will be on a given date is known. However, given the short observation arc and the two years since it was seen at all, the location of the asteroid along its orbit was imprecisely known. 1062: 453:
The asteroid intersected Earth's orbit. A slight variation in the known orbit of the asteroid can cause it to be early (NEODyS solution), right on time (Sentry solution), or late (JPL solution). The nominal
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showed an estimated 1 in 240 chance of Earth impact on 2 November 2020 1:12 UT. The nominal JPL Horizons 2 November 2020 11:33 UT Earth approach was 0.0028 AU (420,000 km; 260,000 mi) with a
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for 2020-Nov-02 shows a minimum possible distance of 0.000039 AU (5,800 km) from the center of Earth, which is less than the 6371 km radius of Earth.
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Earth on 2 November 2020 01:12 UT. It was discovered on 3 November 2018 when it was about 0.003 AU (450,000 km; 280,000 mi) from Earth and had a
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given the estimated size is smaller than the threshold for potentially hazardous objects which are estimated at more than 140 meters in diameter.
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of ~31, and as a moving object was much too faint for any telescope to detect. Large ground-based observatories take 10 hours to image a
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objects. The November 2020 Earth approach was expected be hidden by the glare of the Sun due to the asteroid's low
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Since the asteroid is only about 2 meters (7 feet) in diameter it is too small to do more than create a
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for 2020-Nov-02 shows the "Time Uncertainty" as 3_07:11 which is 3 days, 7 hours, and 11 minutes.
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1 November 2020 23:54 UT Earth approach is 0.0004 AU (60,000 km; 37,000 mi). The
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01:12 UT. If 2018 VP1 was not crossing Earth's orbit during that time there could be no impact.
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of only 9700 km. Since the asteroid approached Earth in November 2018 and has a 2.00 year
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roughly 2 meters (7 feet) in diameter. The asteroid had a 0.41% chance (1 in 240) of
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Around the Earth – assumed close approach in 2020, but numerous other solutions fit
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or atmospheric flash monitors. The asteroid was not visually recovered.
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approximately 100–1000 times less massive than the 20-meter
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Line of variation (LOV) and different closest approaches
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Preliminarily results are that nothing was detected via
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Table of Asteroids Next Closest Approaches to the Earth
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Potential impact events caused by near-Earth objects
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by this asteroid, assuming it is a common primitive
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IAU Minor Planet Center. 4 November 2018 2462:Minor planet object articles (unnumbered) 1136:NeoDyS-2, Near Earth Objects—Dynamic Site 880: 878: 876: 874: 872: 870: 868: 866: 864: 787:{\displaystyle ={\frac {\pi }{6}}\ d^{3}} 778: 761: 756: 553:Around the Earth – close approach in 2018 186:0.90513 AU (135,406,000 km) (q) 925: 923: 921: 919: 917: 915: 473: 198:1.5877 AU (237,520,000 km) (a) 2477:Astronomical objects discovered in 2018 2001:detection on the sunlit surface of the 1416:(lunar sample return mission; Nov 2020) 837: 728: 1063:"2018VP1 Ephemerides for May–Nov 2020" 377:26 pushing the telescope close to the 20: 931:"Earth Impact Risk Summary: 2018 VP1" 409:-sized meteorites on roof tops after 256:Longitude of ascending node 7: 1220: 1282:NEODyS (5 Nov 2018) with 1 day arc 1278:– Sormano Astronomical Observatory 14: 2098:(sample collection from asteroid 1073:from the original on 21 July 2019 1028:from the original on 21 July 2019 957:"Sentry: Earth Impact Monitoring" 937:from the original on 5 March 2019 900:from the original on 21 July 2019 295:3.1 AU (460,000,000 km) 2144: 2143: 2132: 2013: 1928:Ophiuchus Supercluster explosion 1701: 1435: 1429: 1423: 1357: 1092:Allen, Jeremy (21 August 2020). 558: 546: 534: 516:0.0028 AU (420,000 km) 2120:(lunar sample return; Dec 2020) 888:(last observation: 2018-11-16; 846:"MPEC 2018-V42 : 2018 VP1" 500: 494:0.0004 AU (60,000 km) 1: 2110:(sample return from asteroid 528:Animation of 2018 VP1's orbit 368:European Southern Observatory 2159:Category:2021 in outer space 2154:Category:2020 in outer space 2149:Category:2019 in outer space 1049:(Peter Thomas, 26 July 2019) 1047:Path of risk (Risk Corridor) 679:potentially hazardous object 677:It is not categorized as a 268:Argument of perihelion 2493: 2472:Near-Earth objects in 2020 1018:"2018VP1 Close Approaches" 98:Minor planet category 16:Apollo near-Earth asteroid 2216: 2201:Small Solar System bodies 2127: 1947:(soft gamma ray repeater) 1474:Asteroid close approaches 1421: 1329: 984:. American Meteor Society 894:Jet Propulsion Laboratory 333: 215:Orbital period (sidereal) 144: 132: 43:Zwicky Transient Facility 1919:location and periodicity 1003:Astronomer Michael Busch 321:Absolute magnitude  301:Physical characteristics 1941:wind speed measurements 1270:IAWN: 2018 VP1 Geometry 1217:JPL Small-Body Database 809:JPL Small-Body Database 737:JPL Small-Body Database 668:Sutter's Mill meteorite 483:Closest Earth approach 127:Orbital characteristics 2326:Trans-Neptunian object 2139:Outer space portal 1149:Observation prediction 788: 641:Hubble Space Telescope 2086:retirement (Jan 2020) 2034:C/2017 T2 (PANSTARRS) 1953:black hole hypothesis 789: 627:The asteroid came to 513:2 November 2020 11:33 502:2 November 2020 01:12 491:1 November 2020 23:54 146:Uncertainty parameter 2299:Distant minor planet 1479:594913 ꞌAylóꞌchaxnim 1100:. Graham Media Group 755: 438:with respect to the 371:Very Large Telescope 81:MPC designation 2064:156P/Russell–LINEAR 2049:C/2020 F3 (NEOWISE) 1994:atmosphere of Venus 1513:temporary satellite 1263:Physical parameters 1127:Minor Planet Center 476: 436:orbital inclination 352:near-Earth asteroid 66:Discovery date 50:Discovery site 28: 2044:C/2019 U6 (LEMMON) 2029:P/2019 LD2 (ATLAS) 1963:Swift J1818.0–1607 1798:OGLE-2016-BLG-1928 1181:Observational info 961:cneos.jpl.nasa.gov 796:Chelyabinsk meteor 784: 750:volume of a sphere 633:apparent magnitude 474: 395:Chelyabinsk meteor 379:limiting magnitude 375:apparent magnitude 314:2–4 meters (CNEOS) 312:~2 meters (7 feet) 172:(339,630,000  38:Discovered by 2444: 2443: 2356: 2355: 2241:Meanings of names 2167: 2166: 2024:C/2019 Y4 (ATLAS) 1992:detection in the 1759:b radio emissions 1454:2020 China bolide 1284:– hohmanntransfer 798:was ~4200 m. 773: 769: 643:needs 3 weeks of 523: 522: 460:Sentry Risk Table 337: 336: 2484: 2457:Apollo asteroids 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598: 596: 587: 585: 576: 574: 562: 550: 538: 477: 470: 433: 388:2 November 2020 360:solar elongation 345: 140: 2459000.5) 91: 55:Palomar Mountain 29: 27: 2492: 2491: 2487: 2486: 2485: 2483: 2482: 2481: 2447: 2446: 2445: 2440: 2414: 2352: 2293: 2245: 2203: 2198: 2168: 2163: 2133: 2131: 2123: 2074: 2068: 2007: 1984: 1977:South Pole Wall 1971: 1899: 1809: 1800: 1693: 1685: 1684: 1681: 1673: 1672: 1669: 1661: 1660: 1657: 1649: 1648: 1645: 1627: 1626: 1623: 1609: 1598: 1597: 1594: 1586: 1585: 1582: 1569: 1568: 1565: 1557: 1556: 1553: 1535: 1534: 1531: 1523: 1522: 1521:(52768) 1998 OR 1519: 1510: 1504: 1503: 1500: 1487: 1486: 1483: 1464: 1458: 1440: 1434: 1428: 1419: 1354: 1347: 1344: 1338: 1325: 1322: 1272:(2018 Approach) 1205:Orbit animation 1173:Proper elements 1119: 1114: 1113: 1103: 1101: 1091: 1090: 1086: 1076: 1074: 1061: 1060: 1053: 1045: 1041: 1031: 1029: 1016: 1015: 1008: 1001: 997: 987: 985: 980: 979: 975: 965: 963: 955: 954: 950: 940: 938: 929: 928: 913: 903: 901: 884: 883: 862: 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194: 189: 185: 183: 179: 175: 171: 167: 165: 161: 157: 155: 151: 147: 143: 139: 136:2020-May-31 ( 135: 131: 128: 124: 118: 115: 113: 110: 108: 105: 104: 102: 99: 94: 85: 82: 77: 72: 68: 64: 60: 56: 53: 51: 47: 44: 41: 39: 35: 30: 19: 2436:Space debris 2152: 2105: 2081: 1768:Kepler-1649c 1612:space debris 1595: 1405: 1397:Perseverance 1396: 1381: 1374: 1353:Space probe 1258: 1250: 1242: 1234: 1226: 1215: 1200: 1192: 1184: 1176: 1168: 1160: 1157:Orbital info 1152: 1144: 1135: 1126: 1102:. Retrieved 1097: 1087: 1075:. Retrieved 1042: 1030:. Retrieved 998: 986:. Retrieved 976: 964:. Retrieved 960: 951: 939:. Retrieved 902:. Retrieved 892:: 13 days). 850:. Retrieved 840: 803: 744: 731: 676: 664:strewn field 657: 649:magnitude 31 639:object. The 626: 619: 600: 589: 586:  Earth 578: 452: 427: 415: 386:JPL Horizons 383: 339: 338: 322: 284:8300 km 230:Mean anomaly 204:Eccentricity 168:2.2703  74:Designations 18: 2426:Cosmic dust 2390:Long-period 2380:Halley-type 2336:Kuiper belt 2221:Designation 2114:; Dec 2020) 2102:; Oct 2020) 2090:BepiColombo 2075:exploration 1985:(announced) 1972:(announced) 1904:Discoveries 1810:(predicted) 1392:(Jul 2020) 1141:Ephemerides 966:4 September 662:and common 616:Impact line 608:  Moon 411:dark flight 397:. An Earth- 278:Earth  273:315.12° (ω) 261:39.816° (Ω) 249:3.2419° (i) 245:Inclination 208:0.42992 (e) 117:risk listed 2451:Categories 2431:Meteoroids 2410:Sungrazing 2385:Hyperbolic 2341:Oort cloud 2284:Near-Earth 2096:OSIRIS-REx 2059:88P/Howell 1917:FRB 180916 1911:Betelgeuse 1869:TOI-1338 b 1793:M51-ULS-1b 1773:KOI-456.04 1741:Gliese 433 1724:Gliese 414 1718:Gliese 229 1699:Exoplanets 1386:(Jul 2020) 1378:(Jul 2020) 1370:(Feb 2020) 832:References 629:opposition 486:Reference 418:infrasound 308:Dimensions 220:2.00  182:Perihelion 2321:Damocloid 2118:Chang'e 5 2107:Hayabusa2 1990:Phosphine 1463:Selected 1414:Chang'e 5 1406:Ingenuity 1390:Mars 2020 1383:Tianwen-1 1239:Ephemeris 1231:Discovery 1104:22 August 988:23 August 858:(K18V01P) 764:π 647:to image 575: Sun 519:JPL SBDB 403:chondrite 356:impacting 158:12.9 days 32:Discovery 2405:Periodic 2331:Detached 2251:Asteroid 2054:2P/Encke 1982:GW190521 1969:GW190814 1957:PHL 293B 1874:TOI-1339 1806:Tau Ceti 1355:launches 1212:2018 VP1 1132:2018 VP1 1071:Archived 1026:Archived 935:Archived 898:Archived 685:See also 164:Aphelion 2370:Extinct 2309:Centaur 2083:Spitzer 2012:Comets 1951:HR 6819 1913:dimming 1856:TOI-732 1838:TOI-700 1815:TOI-561 1763:K2-315b 1757:GJ 1151 1683:2020 XL 1647:2020 VT 1641:2020 VV 1636:2020 UA 1625:2020 SL 1619:2020 SW 1607:2020 SO 1596:2018 VP 1584:2011 ES 1578:2020 QG 1567:2020 OY 1549:2020 LD 1544:2020 JJ 1533:2020 HS 1502:2020 CD 1496:2020 CW 1485:2020 BX 1343: » 1334:«  1214:at the 1077:22 July 1032:22 July 941:22 July 904:22 July 852:22 July 716:2020 VV 704:2006 QV 692:2020 AP 672:2014 AA 508:Sentry 497:NEODyS 465:3-sigma 429:2018 VP 390:nominal 341:2018 VP 87:2018 VP 23:2018 VP 2362:Comets 2274:Family 2259:Active 2226:Groups 2073:Space 1712:AU Mic 1259:· 1257:  1251:· 1249:  1243:· 1241:  1235:· 1233:  1227:· 1225:  1201:· 1199:  1193:· 1191:  1185:· 1183:  1177:· 1175:  1169:· 1167:  1161:· 1159:  1153:· 1151:  1145:· 1143:  1067:NEODyS 1022:NEODyS 772:  660:bolide 606:  601:· 599:  595:  590:· 588:  584:  579:· 577:  573:  456:NEODyS 424:Return 407:pebble 399:impact 349:Apollo 347:is an 235:300.72 107:Apollo 2419:Other 2375:Great 2112:Ryugu 2100:Bennu 1999:Water 1399:rover 1261: 1253: 1245: 1237: 1229: 1203: 1195: 1187: 1179: 1171: 1163: 1155: 1147: 723:Notes 603: 592: 581: 176:) (Q) 134:Epoch 2395:Lost 2236:Moon 2231:List 2003:Moon 1466:NEOs 1375:Hope 1341:2021 1336:2019 1165:MOID 1106:2020 1079:2019 1034:2019 990:2020 968:2020 943:2019 906:2019 854:2019 807:The 735:The 444:MOID 384:The 329:30.9 291:MOID 280:MOID 1674:224 1662:107 1134:at 890:arc 670:or 373:at 323:(H) 239:(M) 112:NEO 59:I43 2453:: 2157:— 2151:— 1808:j 1734:Ac 1729:Ab 1720:Ac 1488:12 1125:, 1096:. 1065:. 1054:^ 1020:. 1009:^ 959:. 914:^ 896:. 863:^ 816:^ 707:89 674:. 624:. 471:. 413:. 381:. 222:yr 174:km 170:AU 138:JD 2193:e 2186:t 2179:v 1884:d 1881:c 1878:b 1863:c 1860:b 1849:d 1845:c 1842:b 1832:e 1829:d 1825:c 1820:b 1786:c 1782:b 1751:d 1748:c 1745:b 1714:b 1686:5 1650:4 1628:1 1614:) 1610:( 1599:1 1587:4 1570:4 1558:4 1536:7 1524:2 1515:) 1511:( 1505:3 1317:e 1310:t 1303:v 1108:. 1081:. 1036:. 992:. 970:. 945:. 908:. 856:. 780:3 776:d 767:6 759:= 695:1 431:1 343:1 237:° 148:7 89:1 61:) 57:( 25:1

Index

Discovered by
Zwicky Transient Facility
Discovery site
Palomar Mountain
I43
MPC designation
Minor planet category
Apollo
NEO
risk listed
Orbital characteristics
Epoch
JD
Uncertainty parameter
Observation arc
Aphelion
AU
km
Perihelion
Semi-major axis
Eccentricity
Orbital period (sidereal)
yr
Mean anomaly
°
Inclination
Longitude of ascending node
Argument of perihelion
MOID
MOID

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