MPEC 2021-E42 : 2021 EB1
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M.P.E.C. 2021-E42 Issued 2021 March 7, 01:14 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 EB1
Observations:
K21E01B C2021 02 10.43977510 48 19.952+49 12 25.53 22.16GVEE042F52
K21E01B C2021 02 10.45269810 48 20.410+49 12 41.09 21.76GVEE042F52
K21E01B C2021 02 13.47356510 51 22.016+50 14 22.06 21.72GVEE042F51
K21E01B C2021 02 13.48615310 51 22.543+50 14 37.98 21.90GVEE042F51
K21E01B C2021 02 13.49872910 51 23.053+50 14 54.25 21.50GVEE042F51
K21E01B C2021 02 13.51134310 51 23.545+50 15 09.94 21.73GVEE042F51
K21E01B* C2021 03 06.31793413 11 56.04 +67 22 02.6 19.17GVEE042703
K21E01B C2021 03 06.32328613 12 10.18 +67 22 43.8 19.16GVEE042703
K21E01B C2021 03 06.32864113 12 24.34 +67 23 25.9 18.83GVEE042703
K21E01B C2021 03 06.33399413 12 38.31 +67 24 06.8 18.52GVEE042703
K21E01B KC2021 03 06.36897 13 14 04.16 +67 28 20.3 18.7 RqEE042H36
K21E01B KC2021 03 06.37663 13 14 24.64 +67 29 15.3 18.6 RqEE042H36
K21E01B KC2021 03 06.39119 13 15 03.94 +67 31 00.8 18.9 RqEE042H36
K21E01B KC2021 03 06.39858 13 15 24.14 +67 31 53.4 18.9 RqEE042H36
K21E01B KC2021 03 06.48956713 19 43.17 +67 42 55.3 18.76GVEE042I52
K21E01B KC2021 03 06.49555513 20 00.32 +67 43 35.8 18.88GVEE042I52
K21E01B KC2021 03 06.50146613 20 17.26 +67 44 15.5 18.63GVEE042I52
K21E01B KC2021 03 06.50732313 20 34.17 +67 44 54.5 18.68GVEE042I52
K21E01B KC2021 03 06.75439613 34 29.46 +68 10 29.8 19.0 GVEE042K62
K21E01B KC2021 03 06.75738213 34 39.96 +68 10 51.5 19.1 GVEE042K62
K21E01B KC2021 03 06.75799213 34 42.61 +68 10 55.7 18.7 RVEE042K61
K21E01B KC2021 03 06.75858513 34 44.75 +68 11 00.6 18.6 RVEE042K61
K21E01B KC2021 03 06.75927813 34 47.20 +68 11 05.8 18.8 RVEE042K61
K21E01B KC2021 03 06.75937813 34 47.55 +68 11 06.2 18.7 RVEE042K61
K21E01B KC2021 03 06.76037113 34 51.01 +68 11 13.8 18.7 RVEE042K61
K21E01B KC2021 03 06.76116813 34 53.77 +68 11 19.4 18.3 RVEE042K61
K21E01B KC2021 03 06.76226113 34 57.60 +68 11 27.7 18.5 RVEE042K61
K21E01B KC2021 03 06.76305613 35 00.39 +68 11 33.1 18.1 RVEE042K61
K21E01B KC2021 03 06.76336413 35 00.87 +68 11 35.9 18.7 GVEE042K62
K21E01B KC2021 03 06.76934713 35 21.69 +68 12 19.8 18.6 GVEE042K62
K21E01B KC2021 03 06.79624 13 36 56.40 +68 15 28.0 18.6 GVEE042A17
K21E01B KC2021 03 06.80308 13 37 20.64 +68 16 18.5 18.3 GVEE042A17
K21E01B KC2021 03 06.81003 13 37 45.29 +68 17 09.4 18.6 GVEE042A17
K21E01B KC2021 03 06.88322 13 42 07.61 +68 26 03.8 19.4 GVEE042K74
K21E01B KC2021 03 06.88495 13 42 13.87 +68 26 16.2 18.5 GVEE042K74
K21E01B KC2021 03 06.88647 13 42 19.35 +68 26 26.8 18.1 GVEE042K74
K21E01B KC2021 03 06.88832 13 42 28.57 +68 26 51.8 19.1 VVEE042K83
K21E01B KC2021 03 06.88842 13 42 26.48 +68 26 40.5 18.8 GVEE042K74
K21E01B KC2021 03 06.89248 13 42 43.77 +68 27 22.1 19.1 VVEE042K83
K21E01B KC2021 03 06.89664 13 42 58.84 +68 27 52.1 18.6 VVEE042K83
K21E01B KC2021 03 06.91142713 43 51.03 +68 29 37.8 18.8 GVEE042595
K21E01B KC2021 03 06.92053313 44 24.20 +68 30 42.1 18.7 GVEE042595
K21E01B KC2021 03 06.93157313 45 04.42 +68 31 58.9 18.6 GVEE042595
K21E01B 1C2021 03 06.93413713 45 12.48 +68 32 11.1 VEE042246
K21E01B 1C2021 03 06.93475813 45 14.64 +68 32 15.3 VEE042246
K21E01B 1C2021 03 06.93505213 45 15.76 +68 32 17.6 VEE042246
K21E01B 1C2021 03 06.93532513 45 16.78 +68 32 19.2 VEE042246
K21E01B 1C2021 03 06.93591213 45 19.00 +68 32 23.2 VEE042246
K21E01B 1C2021 03 06.93641713 45 20.86 +68 32 26.8 VEE042246
K21E01B 1C2021 03 06.93658713 45 21.43 +68 32 27.7 VEE042246
K21E01B 1C2021 03 06.93675813 45 22.04 +68 32 29.3 VEE042246
K21E01B 1C2021 03 06.93691613 45 22.65 +68 32 30.2 VEE042246
K21E01B 1C2021 03 06.93709513 45 23.20 +68 32 31.5 VEE042246
K21E01B 1C2021 03 06.93728013 45 23.93 +68 32 32.4 VEE042246
K21E01B 1C2021 03 06.94619 13 45 56.54 +68 33 23.8 19.4 VVEE042033
K21E01B 1C2021 03 06.94653 13 45 57.81 +68 33 26.1 19.1 VVEE042033
K21E01B 1C2021 03 06.94688 13 45 59.10 +68 33 28.5 18.8 VVEE042033
K21E01B 1C2021 03 06.94728 13 46 00.64 +68 33 31.4 19.0 VVEE042033
K21E01B KC2021 03 06.97976513 48 03.41 +68 37 26.9 18.6 GVEE042K63
K21E01B KC2021 03 06.98213213 48 12.15 +68 37 42.1 18.5 GVEE042K63
K21E01B KC2021 03 06.98574513 48 25.61 +68 38 06.5 18.5 GVEE042K63
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.
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha, M. Honkova.
Measurer M. Tichy. 1.06-m f/2.7 reflector + 2048x2048 CCD.
595 Farra d'Isonzo. Observers S. Aschi, E. Pettarin. Measurer S. Aschi.
0.40-m f/5.15 reflector + CCD.
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.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + 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.
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.
K83 Beppe Forti Astronomical Observatory, Montelupo. Observers M. Tombelli,
A. Mazzanti, E. Venticinque. Measurers M. Iozzi, A. Squilloni, G.
Interrante, M. Tombelli, F. Bernardi, T. Bitossi. 0.40-m f/8 Ritchey-
Chretien + CCD.
Orbital elements:
2021 EB1 Earth MOID = 0.0205 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 334.13890 (2000.0) P Q
n 0.23282154 Peri. 212.88502 -0.87895493 +0.47656644
a 2.6169009 Node 355.46333 -0.37362741 -0.71152922
e 0.6548664 Incl. 13.12611 -0.29637946 -0.51634348
P 4.23 H 23.5 G 0.15 U 6
Residuals in seconds of arc
210210 F52 0.0 0.1+ 210306 K61 1.4+ 0.5+ 210306 595 0.2- 0.1-
210210 F52 0.2- 0.2- 210306 K61 1.5+ 0.6+ 210306 246 0.0 0.1+
210213 F51 0.2- 0.1+ 210306 K61 1.5+ 0.3+ 210306 246 0.6- 0.1+
210213 F51 0.1+ 0.2- 210306 K61 1.5+ 0.5+ 210306 246 0.4- 0.3+
210213 F51 0.1+ 0.1+ 210306 K61 1.3+ 0.2+ 210306 246 0.3- 0.1+
210213 F51 0.0 0.0 210306 K61 1.4+ 0.4+ 210306 246 0.1+ 0.0
210306 703 1.0- 0.2- 210306 K61 1.4+ 0.1- 210306 246 0.2+ 0.2+
210306 703 0.5- 0.7- 210306 K62 0.1+ 0.1- 210306 246 0.1- 0.1-
210306 703 0.1- 0.3- 210306 K62 0.6- 0.4- 210306 246 0.2- 0.3+
210306 703 0.8- 0.8- 210306 A17 0.4- 0.2- 210306 246 0.0 0.1+
210306 H36 0.5+ 0.4+ 210306 A17 0.4- 0.0 210306 246 0.6- 0.2+
210306 H36 0.0 0.2- 210306 A17 0.6- 0.1- 210306 246 0.3- 0.2-
210306 H36 0.0 0.4+ 210306 K74 0.4- 0.0 210306 033 0.3- 0.0
210306 H36 0.8+ 0.2+ 210306 K74 0.4- 0.1+ 210306 033 0.2- 0.0
210306 I52 0.6- 0.3- 210306 K74 0.5- 0.1- 210306 033 0.2- 0.0
210306 I52 0.4- 0.2- 210306 K83 0.9- 0.4- 210306 033 0.2+ 0.2+
210306 I52 0.5- 0.1- 210306 K74 0.1- 0.3- 210306 K63 0.1- 0.1+
210306 I52 0.4- 0.1- 210306 K83 0.1- 0.1- 210306 K63 0.3- 0.4-
210306 K62 0.3- 0.1+ 210306 K83 0.0 0.1+ 210306 K63 0.1- 0.0
210306 K62 0.1+ 0.2- 210306 595 0.2- 0.3-
210306 K61 1.0+ 0.0 210306 595 0.1+ 0.0
Ephemeris:
2021 EB1 a,e,i = 2.62, 0.65, 13 q = 0.9032
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 02 05 10 43 21.7 +47 30 45 0.3008 1.2408 143.5 28.2 22.6
...
2021 02 20 11 00 03.1 +52 49 41 0.1649 1.1153 137.1 37.1 21.3
...
2021 02 28 11 25 04.7 +57 53 23 0.09739 1.0552 129.5 46.4 20.3
...
2021 03 06 12 58 05.4 +66 41 12 0.04924 1.0147 116.1 61.4 19.2
2021 03 07 13 49 00.9 +68 38 30 0.04184 1.0083 111.5 66.3 19.0
2021 03 08 15 10 54.7 +69 28 09 0.03492 1.0022 105.0 73.0 18.8
...
2021 03 14 21 10 56.2 -08 55 47 0.03228 0.9684 36.5 142.4 23.2
...
2021 03 22 22 02 44.1 -35 40 43 0.09458 0.9331 46.0 129.8 23.9
...
2021 04 06 22 30 06.4 -40 35 57 0.2217 0.9034 58.1 109.9 24.2
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-E42
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