MPEC 2021-E53 : 2021 EL1
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M.P.E.C. 2021-E53 Issued 2021 March 7, 21:49 UT The Minor Planet Electronic Circulars contain information on unusual minor planets and routine data on comets. They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. Prepared using the Tamkin Foundation Computer Network MPC@CFA.HARVARD.EDU URL https://www.minorplanetcenter.net/ ISSN 1523-6714 2021 EL1 Observations: K21E01L* C2021 03 06.16902907 54 54.54 +54 18 33.0 19.34GVEE053703 K21E01L C2021 03 06.17441107 54 56.37 +54 17 42.9 19.16GVEE053703 K21E01L C2021 03 06.17995807 54 58.32 +54 16 51.1 VEE053703 K21E01L KC2021 03 06.25621707 55 25.72 +54 04 44.5 19.83GVEE053I52 K21E01L KC2021 03 06.25720407 55 26.06 +54 04 34.3 19.30GVEE053I52 K21E01L KC2021 03 06.25819207 55 26.49 +54 04 25.4 19.31GVEE053I52 K21E01L KC2021 03 06.25918107 55 26.77 +54 04 15.9 19.91GVEE053I52 K21E01L KC2021 03 06.75467507 59 29.27 +52 43 21.3 19.3 GVEE053L01 K21E01L KC2021 03 06.75598107 59 29.78 +52 43 08.2 19.2 GVEE053L01 K21E01L KC2021 03 06.75727507 59 30.23 +52 42 56.0 19.2 GVEE053L01 K21E01L KC2021 03 06.75858407 59 30.77 +52 42 43.0 19.2 GVEE053L01 K21E01L KC2021 03 06.76053007 59 31.50 +52 42 24.3 19.3 GVEE053L01 K21E01L KC2021 03 06.76524307 59 33.29 +52 41 36.0 19.2 GVEE053595 K21E01L KC2021 03 06.77352707 59 36.51 +52 40 14.8 19.2 GVEE053595 K21E01L KC2021 03 06.78179607 59 39.61 +52 38 54.1 19.3 GVEE053595 K21E01L KC2021 03 06.79692007 59 45.02 +52 36 11.9 19.0 RVEE053K61 K21E01L KC2021 03 06.79771607 59 45.36 +52 36 04.0 18.5 RVEE053K61 K21E01L KC2021 03 06.79867107 59 45.70 +52 35 54.6 18.6 RVEE053K61 K21E01L KC2021 03 06.79978507 59 46.13 +52 35 43.8 18.6 RVEE053K61 K21E01L 1C2021 03 06.80475807 59 47.90 +52 34 57.5 19.4 GVEE053246 K21E01L 1C2021 03 06.80511207 59 48.08 +52 34 53.7 VEE053246 K21E01L 1C2021 03 06.80544207 59 48.19 +52 34 50.6 VEE053246 K21E01L 1C2021 03 06.80583707 59 48.30 +52 34 47.2 VEE053246 K21E01L 1C2021 03 06.80614907 59 48.38 +52 34 43.8 VEE053246 K21E01L 1C2021 03 06.81132 07 59 50.87 +52 33 44.8 19.6 VVEE053033 K21E01L 1C2021 03 06.81190 07 59 51.08 +52 33 39.0 20.0 VVEE053033 K21E01L 1C2021 03 06.81247 07 59 51.31 +52 33 33.4 19.8 VVEE053033 K21E01L KC2021 03 06.82263 07 59 55.71 +52 31 54.0 19.9 GVEE053K87 K21E01L KC2021 03 06.82641 07 59 57.12 +52 31 16.2 19.8 GVEE053K87 K21E01L KC2021 03 06.83382 07 59 59.84 +52 30 02.4 19.2 GVEE053K87 K21E01L HC2021 03 06.83972 08 00 02.42 +52 29 14.9 20 GVEE053204 K21E01L KC2021 03 06.84627 08 00 04.89 +52 28 08.9 VEE053204 K21E01L KC2021 03 06.86223508 00 10.39 +52 25 32.0 19.2 GVEE053K63 K21E01L KC2021 03 06.86230 08 00 10.99 +52 25 14.5 19.1 GVEE053A17 K21E01L KC2021 03 06.86928208 00 12.93 +52 24 19.8 19.7 GVEE053K63 K21E01L KC2021 03 06.87427208 00 14.78 +52 23 27.9 20.1 GVEE053K63 K21E01L KC2021 03 06.87713 08 00 16.62 +52 22 42.6 19.2 GVEE053A17 K21E01L KC2021 03 06.88345 08 00 19.01 +52 21 37.4 19.0 GVEE053A17 K21E01L C2021 03 06.88810 08 00 09.30 +52 19 23.9 19.8 GVEE053N88 K21E01L C2021 03 06.88850 08 00 09.49 +52 19 18.8 19.8 GVEE053N88 K21E01L C2021 03 06.88890 08 00 09.70 +52 19 15.7 19.3 GVEE053N88 K21E01L C2021 03 06.88927 08 00 09.83 +52 19 11.9 19.0 GVEE053N88 K21E01L C2021 03 06.88965 08 00 10.02 +52 19 07.7 19.2 GVEE053N88 K21E01L KC2021 03 06.92770 08 00 34.58 +52 13 53.0 19.2 GVEE053C47 K21E01L KC2021 03 06.93747 08 00 38.44 +52 12 10.0 18.8 GVEE053C47 K21E01L KC2021 03 06.94771 08 00 42.52 +52 10 21.2 19.8 GVEE053C47 K21E01L KC2021 03 07.09957208 02 09.19 +51 45 02.6 19.29GVEE053I52 K21E01L KC2021 03 07.10055808 02 09.55 +51 44 52.6 19.16GVEE053I52 K21E01L KC2021 03 07.10154308 02 09.92 +51 44 42.7 19.23GVEE053I52 K21E01L KC2021 03 07.10252608 02 10.28 +51 44 32.8 19.06GVEE053I52 K21E01L KC2021 03 07.11462908 02 13.32 +51 42 26.3 19.1 VqEE053858 K21E01L 1C2021 03 07.11519 08 01 55.54 +51 39 55.4 19.9 VVEE053033 K21E01L 1C2021 03 07.11576 08 01 55.82 +51 39 49.2 19.7 VVEE053033 K21E01L 1C2021 03 07.11634 08 01 56.09 +51 39 42.8 19.7 VVEE053033 K21E01L KC2021 03 07.11753 08 02 11.41 +51 41 49.7 19.1 RqEE053H36 K21E01L KC2021 03 07.11870908 02 14.80 +51 41 44.6 19.5 VqEE053858 K21E01L KC2021 03 07.12192 08 02 13.02 +51 41 05.3 19.4 RqEE053H36 K21E01L KC2021 03 07.12279508 02 16.28 +51 41 02.7 19.7 VqEE053858 K21E01L KC2021 03 07.13100 08 02 16.30 +51 39 29.3 19.3 RqEE053H36 K21E01L KC2021 03 07.14332708 02 18.70 +51 37 17.5 19.4 VuEE053H21 K21E01L KC2021 03 07.14468708 02 19.18 +51 37 03.1 19.5 VuEE053H21 K21E01L KC2021 03 07.14604408 02 19.69 +51 36 48.7 19.3 VuEE053H21 K21E01L KC2021 03 07.14740108 02 20.18 +51 36 34.3 19.4 VuEE053H21 K21E01L C2021 03 07.16626 08 02 35.14 +51 33 29.2 19.9 GVEE053654 K21E01L C2021 03 07.20128 08 02 47.66 +51 27 21.9 19.3 GVEE053654 K21E01L C2021 03 07.25839 08 03 08.15 +51 17 07.2 19.5 GVEE053654 K21E01L 1C2021 03 07.75155 08 07 06.46 +49 45 30.3 19.8 VVEE053033 K21E01L 1C2021 03 07.75213 08 07 06.70 +49 45 23.9 19.8 VVEE053033 K21E01L 1C2021 03 07.75270 08 07 06.91 +49 45 17.4 19.9 VVEE053033 K21E01L 1C2021 03 07.75347 08 07 07.23 +49 45 09.1 19.7 VVEE053033 K21E01L 1C2021 03 07.76602708 07 11.97 +49 42 58.4 19.5 GVEE053246 K21E01L 1C2021 03 07.76654308 07 12.09 +49 42 52.4 VEE053246 K21E01L KC2021 03 07.76725308 07 12.35 +49 42 38.4 19.0 GVEE053K62 K21E01L 1C2021 03 07.76735308 07 12.38 +49 42 42.8 VEE053246 K21E01L 1C2021 03 07.76770608 07 12.52 +49 42 39.4 VEE053246 K21E01L 1C2021 03 07.76816708 07 12.69 +49 42 34.5 VEE053246 K21E01L KC2021 03 07.77040808 07 13.46 +49 42 03.7 19.3 GVEE053K62 K21E01L KC2021 03 07.77420608 07 14.96 +49 41 21.2 19.2 GVEE053K62 K21E01L KC2021 03 07.77660 08 07 17.01 +49 40 54.6 18.9 GVEE053A17 K21E01L KC2021 03 07.77736208 07 16.12 +49 40 46.1 18.9 GVEE053K62 K21E01L KC2021 03 07.78252 08 07 19.29 +49 39 48.4 19.0 GVEE053A17 K21E01L KC2021 03 07.78643 08 07 20.80 +49 39 05.1 19.3 GVEE053A17 K21E01L KC2021 03 07.79232 08 07 22.68 +49 37 59.5 19.5 GVEE053K74 K21E01L KC2021 03 07.80777 08 07 28.64 +49 35 05.4 19.4 GVEE053K74 K21E01L KC2021 03 07.80830408 07 31.04 +49 34 47.4 19.2 GVEE053J95 K21E01L KC2021 03 07.81071508 07 31.93 +49 34 20.1 19.2 GVEE053J95 K21E01L KC2021 03 07.81316908 07 32.89 +49 33 53.2 19.2 GVEE053J95 K21E01L KC2021 03 07.81560508 07 33.88 +49 33 25.3 19.4 GVEE053J95 K21E01L KC2021 03 07.81736 08 07 32.23 +49 33 17.0 19.1 GVEE053K74 Observer details: 033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, C. Hoegner, U. Laux, F. Ludwig, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD. 204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector + CCD. 246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha, M. Honkova. Measurers M. Tichy, M. Honkova. 1.06-m f/2.7 reflector + 2048x2048 CCD. 595 Farra d'Isonzo. Observers G. Panterotto, E. Pettarin. Measurer E. Pettarin. 0.40-m f/5.15 reflector + CCD. 654 Table Mountain Observatory, Wrightwood-PHMC. Observers P. Choi, N. Saini, C. Zhai, R. Trahan, M. Shao. 703 Catalina Sky Survey. Observer K. W. Wierzchos. Measurers E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 0.68-m Schmidt + 10K CCD. 858 Tebbutt Observatory, Edgewood. Observer F. B. Zoltowski. 0.51-m Schmidt- Cassegrain + CCD. A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert. 0.36-m f/6 Schmidt-Cassegrain + CCD. C47 Nonndorf. Observer G. Dangl. 0.25-m f/4.8 reflector + CCD. H21 Astronomical Research Observatory, Westfield. Observer R. Holmes. Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.76-m f/3.0 astrograph + CCD. H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD. I52 Steward Observatory, Mt. Lemmon Station. Observer R. A. Kowalski. Measurers E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m reflector + CCD. J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain + CCD. K61 Rokycany Observatory. Observer M. Adamovsky. 0.51-m f/6.8 reflector + CCD. K62 Teplice Observatory. Observer Z. Moravec. 0.43-m f/4.5 reflector + CCD. K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.41-m f/3.2 Newtonian reflector + CCD. K74 Muensterschwarzach Observatory, Schwarzach. Observer C. Gerhard. 0.30-m f/3.75 Newtonian reflector + CCD. K87 Dettelbach Vineyard Observatory. Observer B. Haeusler. 0.3-m f/8.0 Schmidt-Cassegrain + CCD. L01 Visnjan Observatory, Tican. Observers K. Korlevic, D. Pujagic, V. Dobos. Measurers D. Pujagic, K. Korlevic. 1.0-m f/2.9 reflector + CCD. N88 Xingming Observatory #3, Nanshan. Observer X. Gao. Measurer Q.-Z. Ye. 0.6-m f/8 Ritchey-Chretien + CCD. Orbital elements: 2021 EL1 Earth MOID = 0.0256 AU Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres M 316.04867 (2000.0) P Q n 0.55824510 Peri. 170.13107 -0.95615319 -0.29212678 a 1.4607843 Node 352.78118 +0.25614534 -0.79970268 e 0.3039004 Incl. 9.53203 +0.14198815 -0.52453558 P 1.77 H 24.1 G 0.15 U 6 Residuals in seconds of arc 210306 703 0.4+ 0.2+ 210306 204 0.3- 0.0 210307 H21 0.2- 0.3+ 210306 703 0.3- 0.1- 210306 204 0.1- 0.1+ 210307 H21 0.0 0.3+ 210306 703 0.5- 0.3- 210306 K63 0.2- 0.2+ 210307 H21 0.1- 0.4+ 210306 I52 0.0 0.3+ 210306 A17 0.3+ 0.2+ 210307 654 0.0 0.2+ 210306 I52 0.1- 0.3- 210306 K63 0.9- 0.2+ 210307 654 0.1- 0.2+ 210306 I52 0.5+ 0.4+ 210306 K63 0.9- 0.4- 210307 654 0.0 0.2+ 210306 I52 0.3- 0.6+ 210306 A17 0.3+ 0.2+ 210307 033 0.0 0.0 210306 L01 0.1- 0.2+ 210306 A17 0.2+ 0.0 210307 033 0.1+ 0.0 210306 L01 0.1- 0.2- 210306 N88 0.2+ 0.3- 210307 033 0.0 0.2- 210306 L01 0.5- 0.2+ 210306 N88 0.2+ 1.1- 210307 033 0.1+ 0.1+ 210306 L01 0.1- 0.1- 210306 N88 0.5+ 0.2+ 210307 246 0.8+ 0.0 210306 L01 0.2- 0.2+ 210306 N88 0.1+ 0.4+ 210307 246 0.1+ 0.2- 210306 595 0.1- 0.1- 210306 N88 0.2+ 0.3+ 210307 K62 1.1+ 0.5- 210306 595 0.4+ 0.3- 210306 C47 0.1- 0.4- 210307 246 0.1- 0.8- 210306 595 0.1+ 0.3+ 210306 C47 0.1+ 0.2+ 210307 246 0.1- 0.3- 210306 K61 0.1- 0.8- 210306 C47 0.4+ 0.4+ 210307 246 0.2- 0.1- 210306 K61 0.2+ 0.7- 210307 I52 0.0 0.1+ 210307 K62 0.0 0.1- 210306 K61 0.0 0.7- 210307 I52 0.1- 0.1+ 210307 K62 0.3+ 0.2- 210306 K61 0.0 0.4- 210307 I52 0.0 0.1+ 210307 A17 0.1+ 0.1+ 210306 246 0.2- 0.1- 210307 I52 0.0 0.1+ 210307 K62 0.3- 0.0 210306 246 0.2+ 0.4- 210307 858 0.0 0.3+ 210307 A17 0.0 0.1- 210306 246 0.1+ 0.2- 210307 033 0.2- 0.1+ 210307 A17 0.1+ 0.2+ 210306 246 0.3- 0.3+ 210307 033 0.1- 0.2+ 210307 K74 0.3- 0.3+ 210306 246 0.6- 0.1+ 210307 033 0.1- 0.2+ 210307 K74 0.2+ 0.1+ 210306 033 0.0 0.1+ 210307 H36 0.2+ 0.6- 210307 J95 0.1+ 0.1+ 210306 033 0.1- 0.1+ 210307 858 0.0 0.4+ 210307 J95 0.3- 0.2- 210306 033 0.0 0.1+ 210307 H36 0.3+ 0.7+ 210307 J95 0.3- 0.4+ 210306 K87 1.2+ 0.8- 210307 858 0.0 0.5+ 210307 J95 0.2+ 0.2- 210306 K87 1.0+ 0.7- 210307 H36 0.2+ 0.6- 210307 K74 0.4- 0.2+ 210306 K87 0.1+ 0.1+ 210307 H21 0.0 0.2+ Ephemeris: 2021 EL1 a,e,i = 1.46, 0.30, 10 q = 1.0169 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2021 02 05 05 29 51.7 +75 42 29 0.1434 1.0515 113.5 59.3 22.1 ... 2021 02 20 06 16 30.5 +71 48 05 0.09543 1.0250 109.8 65.2 21.4 ... 2021 02 28 07 08 20.7 +65 25 03 0.06934 1.0183 111.8 64.6 20.6 ... 2021 03 06 07 53 35.0 +54 43 32 0.05111 1.0168 117.8 59.7 19.8 2021 03 07 08 01 14.6 +52 01 42 0.04838 1.0169 119.4 58.2 19.7 2021 03 08 08 08 52.8 +48 58 14 0.04578 1.0171 121.3 56.5 19.5 ... 2021 03 14 08 53 11.9 +21 25 25 0.03505 1.0198 136.3 42.3 18.5 ... 2021 03 22 09 45 04.1 -23 05 43 0.04154 1.0282 139.3 39.2 18.8 ... 2021 04 06 10 56 15.6 -51 53 19 0.08885 1.0575 127.9 48.3 20.8 M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-E53


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