"Pseudo-MPEC" for A10sHcN
Created 2020 Nov 14 22:09:29 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Tony Dunn has posted a few animations of the path of this object. I posted a few comments about the object on MPML.
This is a smallish object, maybe 5 to 10 meters in diameter. Had it hit us, it would have made an impressive sight, but wouldn't have done any real damage. (The Chelyabinsk meteor, a few years back, was closer to 17 meters in diameter, and therefore about ten times more massive, and was able to break lots of windows and cause some injuries. This wouldn't have been quite that impressive.)
Astrometry: A10sHcN C2020 11 14.32062802 44 55.61 -27 32 39.4 ~BEI7 17.79RUNEOCPI41 A10sHcN C2020 11 14.32097502 44 54.96 -27 32 33.8 ~BEI7 17.79RUNEOCPI41 A10sHcN* C2020 11 14.36238502 45 59.46 -27 18 36.9 ~BEDw 17.25oVNEOCPT08 A10sHcN C2020 11 14.36423002 45 56.25 -27 18 24.6 ~BEDw 17.51oVNEOCPT08 A10sHcN C2020 11 14.36699402 45 51.54 -27 18 04.6 ~BEDw 17.55oVNEOCPT08 A10sHcN C2020 11 14.37482702 45 38.09 -27 17 07.8 ~BEDw 17.93oVNEOCPT08 A10sHcN C2020 11 14.44643502 43 48.78 -27 07 19.9 ~BEDw 18.55oVNEOCPT08 A10sHcN C2020 11 14.44689702 43 48.14 -27 07 15.3 ~BEDw 18.38oVNEOCPT08 A10sHcN C2020 11 14.44735902 43 47.53 -27 07 11.4 ~BEDw 17.86oVNEOCPT08 A10sHcN C2020 11 14.44782002 43 46.90 -27 07 07.0 ~BEDw 17.33oVNEOCPT08 A10sHcN KC2020 11 14A^DTgHF4[d*aw:
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L34 A10sHcN KC2020 11 141(/XDfC
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L34 Station data: (I41) Palomar Mountain--ZTF (N33.357340 W116.859780) US/California. 1.2-m f/2.44 Oschin Schmidt + CCD. (L34) Galhassin Robotic Telescope, Isnello (N37.939361 E14.020610) Italy. (Q62) iTelescope Observatory, Siding Spring (S31.273289 E149.064420) Australia/NSW. 0.50-m f/6.8 astrograph + CCD + focal reducer, 0.70-m f/6.6 astrograph + CCD. (Q70) Glenlee Observatory, Glenlee (S23.269456 E150.500440) Australia/QLD. (T08) ATLAS-MLO, Mauna Loa (N19.536152 W155.576050) US/Hawaii. Observers L. Denneau, A. Heinze, H. Weiland, J. Tonry, H. Flewelling, A. Fitzsimmons, D. Young, B. Stalder. Measurers L. Denneau, A. Heinze, J. Tonry. 0.5-m f/2.0 Schmidt + CCD. Orbital elements: A10sHcN Perigee 2020 Nov 13.72199484 +/- 0.000404 TT = 17:19:40.354 (JD 2459167.22199484) Epoch 2020 Nov 14.0 TT = JDT 2459167.5 Find_Orb q 6757.40900320 +/- 4.55 (J2000 equator) H 28.7 G 0.15 Peri. 207.13648098 +/- 0.013 Node 17.66665399 +/- 0.008 e 2.0504660369 +/- 0.000944 Incl. 128.52470330 +/- 0.009 From 22 observations 2020 Nov. 14 (13.7 hr); mean residual 0".410 Orbital elements: A10sHcN (before flyby) Perihelion 2020 Nov 14.54749236 +/- 0.0298 TT = 13:08:23.340 (JD 2459168.04749236) Epoch 2020 Nov 1.0 TT = JDT 2459154.5 Earth MOID: 0.0000 Ma: 0.0814 M 351.12252066195 +/- 0.020 (J2000 ecliptic) Find_Orb n 0.65528579758 +/- 0.000218 Peri. 180.87504470 +/- 0.033 a 1.31275056048 +/- 0.000291 Node 231.55313996 +/- 0.00033 e 0.2463472327 +/- 0.000167 Incl. 12.91633134 +/- 0.007 P 1.50/549.37d H 28.7 G 0.15 U 7.1 q 0.98935809262 +/- 1.91e-6 Q 1.63614302834 +/- 0.000582 From 22 observations 2020 Nov. 14 (13.7 hr); mean residual 0".410 Orbital elements: A10sHcN (after flyby) Perihelion 2020 Aug 12.73726394 +/- 0.0161 TT = 17:41:39.604 (JD 2459074.23726394) Epoch 2020 Nov 30.0 TT = JDT 2459183.5 Earth MOID: 0.0001 Ve: 0.0351 M 124.50990618069 +/- 0.015 (J2000 ecliptic) Find_Orb n 1.13954592999 +/- 2.89e-5 Peri. 53.66680425 +/- 0.0029 a 0.90778184527 +/- 1.53e-5 Node 231.42773305 +/- 0.00051 e 0.2028677057 +/- 0.000105 Incl. 10.16444986 +/- 0.006 P 0.86/315.91d H 28.7 G 0.15 U 5.7 q 0.72362222502 +/- 0.000108 Q 1.09194146552 +/- 7.71e-5 From 22 observations 2020 Nov. 14 (13.7 hr); mean residual 0".410
Residuals in arcseconds: 201114 I41 .282+ .779- 201114 T08 .320+ .087+ 201114 Q62 .035+ .502- 201114 I41 .944- .621+ 201114 T08 .086+ .330+ 201114 Q62 .709- .217+ 201114 T08 .029- .163+ 201114 Q70 .745- .239+ 201114 Q62 .159+ .457- 201114 T08 .090- .432- 201114 Q70 .103- .186- 201114 L34 .101- .231+ 201114 T08 .835+ .067+ 201114 Q70 .824+ .030+ 201114 L34 .056- .240- 201114 T08 .048+ .420+ 201114 Q70 .579+ .350- 201114 L34 .288+ .197+ 201114 T08 .568+ .090- 201114 Q70 .083- .184- 201114 T08 .252+ .350+ 201114 Q62 .426- .546+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2020 11 12 00 19 20 36.144 +51 25 49.46 .00801 .98960 88.1 21.4 83.6 76 2020 11 12 01 19 20 30.862 +51 25 51.35 .00781 .98959 88.0 21.3 83.5 76 2020 11 12 02 19 20 25.325 +51 25 53.30 .00762 .98958 88.0 21.3 83.5 76 2020 11 12 03 19 20 19.513 +51 25 55.30 .00743 .98958 88.0 21.2 83.4 76 2020 11 12 04 19 20 13.402 +51 25 57.37 .00724 .98957 88.0 21.2 83.3 76 2020 11 12 05 19 20 06.970 +51 25 59.51 .00705 .98956 87.9 21.1 83.2 76 2020 11 12 06 19 20 00.190 +51 26 01.72 .00686 .98956 87.9 21.1 83.1 76 2020 11 12 07 19 19 53.031 +51 26 04.01 998118 .98955 87.9 21.0 83.0 76 2020 11 12 08 19 19 45.461 +51 26 06.38 969608 .98954 87.8 20.9 82.9 76 2020 11 12 09 19 19 37.441 +51 26 08.84 941092 .98953 87.8 20.9 82.7 76 2020 11 12 10 19 19 28.929 +51 26 11.40 912569 .98953 87.8 20.8 82.6 75 2020 11 12 11 19 19 19.879 +51 26 14.06 884040 .98952 87.8 20.7 82.5 75 2020 11 12 12 19 19 10.234 +51 26 16.84 855504 .98952 87.7 20.7 82.3 75 2020 11 12 13 19 18 59.935 +51 26 19.73 826961 .98951 87.7 20.6 82.1 75 2020 11 12 14 19 18 48.910 +51 26 22.75 798410 .98950 87.6 20.5 82.0 75 2020 11 12 15 19 18 37.079 +51 26 25.91 769851 .98950 87.6 20.5 81.8 75 2020 11 12 16 19 18 24.347 +51 26 29.21 741282 .98949 87.6 20.4 81.6 75 2020 11 12 17 19 18 10.606 +51 26 32.67 712704 .98949 87.5 20.3 81.3 75 2020 11 12 18 19 17 55.730 +51 26 36.29 684116 .98948 87.5 20.2 81.1 75 2020 11 12 19 19 17 39.569 +51 26 40.07 655517 .98947 87.4 20.1 80.8 75 2020 11 12 20 19 17 21.945 +51 26 44.04 626905 .98947 87.4 20.0 80.5 75 2020 11 12 21 19 17 02.650 +51 26 48.19 598281 .98946 87.3 19.9 80.2 75 2020 11 12 22 19 16 41.428 +51 26 52.51 569642 .98946 87.3 19.8 79.8 74 2020 11 12 23 19 16 17.974 +51 26 57.01 540987 .98945 87.2 19.7 79.3 74 2020 11 13 00 19 15 51.909 +51 27 01.67 512315 .98945 87.1 19.6 78.8 74 2020 11 13 01 19 15 22.769 +51 27 06.45 483624 .98944 87.1 19.5 78.3 74 2020 11 13 02 19 14 49.966 +51 27 11.29 454911 .98944 87.0 19.3 77.6 74 2020 11 13 03 19 14 12.757 +51 27 16.09 426174 .98944 86.9 19.2 76.8 73 2020 11 13 04 19 13 30.180 +51 27 20.69 397409 .98943 86.8 19.1 75.9 73 2020 11 13 05 19 12 40.970 +51 27 24.81 368613 .98943 86.7 18.9 74.8 73 2020 11 13 06 19 11 43.432 +51 27 28.01 339781 .98942 86.5 18.7 73.5 72 2020 11 13 07 19 10 35.232 +51 27 29.53 310906 .98942 86.4 18.5 71.8 72 2020 11 13 08 19 09 13.071 +51 27 28.10 281980 .98942 86.2 18.3 69.7 71 2020 11 13 09 19 07 32.130 +51 27 21.43 252994 .98941 86.0 18.1 67.0 70 2020 11 13 10 19 05 25.060 +51 27 05.36 223933 .98941 85.7 17.9 63.2 68 2020 11 13 11 19 02 40.082 +51 26 31.68 194777 .98941 85.3 17.6 58.0 66 2020 11 13 12 18 58 57.014 +51 25 23.12 165498 .98940 84.8 17.2 50.2 61 2020 11 13 13 18 53 38.106 +51 22 58.98 136051 .98940 84.2 16.9 38.0 51 2020 11 13 14 18 45 23.384 +51 17 27.48 106362 .98940 83.1 16.4 22.1 8 2020 11 13 15 18 30 47.949 +51 02 15.82 76293 .98940 81.2 15.7 59.3 103 2020 11 13 16 17 57 38.323 +50 01 02.47 45542 .98940 76.9 14.8 269 80 2020 11 13 17 15 30 21.053 +35 44 10.42 13575 .98940 54.0 13?? 3417 50 2020 11 13 18 04 06 29.527 -41 04 48.25 25900 .98953 119.6 12.0 893 124 2020 11 13 19 03 17 03.307 -33 21 05.33 57395 .98968 128.5 13.5 160 130 2020 11 13 20 03 04 11.784 -30 50 40.51 87830 .98981 130.9 14.3 59.6 131 2020 11 13 21 02 58 10.041 -29 35 34.90 117729 .98995 132.0 14.9 28.6 130 2020 11 13 22 02 54 38.573 -28 50 18.62 147313 0.9901 132.7 15.4 15.6 129 2020 11 13 23 02 52 19.352 -28 19 56.81 176689 0.9902 133.1 15.8 9.15 128 2020 11 14 00 02 50 40.557 -27 58 07.68 205917 0.9903 133.4 16.1 5.57 126 2020 11 14 01 02 49 26.721 -27 41 40.28 235035 0.9905 133.6 16.4 3.46 123 2020 11 14 02 02 48 29.400 -27 28 48.28 264067 0.9906 133.7 16.6 2.16 120 2020 11 14 03 02 47 43.583 -27 18 27.70 293031 0.9907 133.9 16.8 1.34 115 2020 11 14 04 02 47 06.108 -27 09 57.67 321938 0.9908 134.0 17.0 .808 109 2020 11 14 05 02 46 34.877 -27 02 50.85 350800 0.9910 134.0 17.2 .468 98 2020 11 14 06 02 46 08.444 -26 56 48.27 379622 0.9911 134.1 17.4 .260 80 2020 11 14 07 02 45 45.778 -26 51 36.29 408410 0.9912 134.2 17.6 .156 47 2020 11 14 08 02 45 26.125 -26 47 04.93 437169 0.9914 134.2 17.7 .133 7 2020 11 14 09 02 45 08.920 -26 43 06.63 465903 0.9915 134.2 17.8 .141 161 2020 11 14 10 02 44 53.732 -26 39 35.64 494615 0.9916 134.3 18.0 .147 143 2020 11 14 11 02 44 40.225 -26 36 27.44 523306 0.9917 134.3 18.1 .144 129 2020 11 14 12 02 44 28.134 -26 33 38.48 551980 0.9919 134.3 18.2 .135 115 2020 11 14 13 02 44 17.248 -26 31 05.88 580639 0.9920 134.3 18.3 .126 98 2020 11 14 14 02 44 07.395 -26 28 47.34 609282 0.9921 134.3 18.4 .123 78 2020 11 14 15 02 43 58.434 -26 26 40.95 637913 0.9922 134.3 18.5 .131 58 2020 11 14 16 02 43 50.251 -26 24 45.14 666532 0.9924 134.3 18.6 .151 40 2020 11 14 17 02 43 42.749 -26 22 58.60 695140 0.9925 134.3 18.7 .180 27 2020 11 14 18 02 43 35.846 -26 21 20.22 723738 0.9926 134.3 18.8 .216 17 2020 11 14 19 02 43 29.474 -26 19 49.05 752327 0.9927 134.3 18.9 .256 10 2020 11 14 20 02 43 23.573 -26 18 24.31 780908 0.9929 134.3 19.0 .298 4 2020 11 14 21 02 43 18.095 -26 17 05.31 809481 0.9930 134.3 19.0 .340 0 2020 11 14 22 02 43 12.996 -26 15 51.45 838047 0.9931 134.3 19.1 .383 177 2020 11 14 23 02 43 08.237 -26 14 42.22 866607 0.9932 134.3 19.2 .426 174 2020 11 15 00 02 43 03.788 -26 13 37.17 895160 0.9934 134.3 19.3 .469 172 2020 11 15 01 02 42 59.618 -26 12 35.90 923707 0.9935 134.3 19.3 .510 170 2020 11 15 02 02 42 55.703 -26 11 38.08 952249 0.9936 134.3 19.4 .551 169 2020 11 15 03 02 42 52.020 -26 10 43.40 980786 0.9937 134.3 19.5 .592 168 2020 11 15 04 02 42 48.551 -26 09 51.58 .00675 0.9939 134.3 19.5 .631 167 2020 11 15 05 02 42 45.276 -26 09 02.39 .00694 0.9940 134.3 19.6 .669 166 2020 11 15 06 02 42 42.182 -26 08 15.61 .00713 0.9941 134.3 19.6 .706 165 2020 11 15 07 02 42 39.253 -26 07 31.04 .00732 0.9942 134.3 19.7 .742 164