MPEC 2021-E57 : 2021 EP1
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M.P.E.C. 2021-E57 Issued 2021 March 7, 21:54 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 EP1
Observations:
K21E01P* C2021 03 07.20316309 45 08.58 -01 00 37.2 19.54GVEE057G96
K21E01P C2021 03 07.20827509 45 19.24 -01 00 06.0 19.55GVEE057G96
K21E01P C2021 03 07.21338009 45 29.90 -00 59 34.7 19.48GVEE057G96
K21E01P C2021 03 07.21847909 45 40.54 -00 59 03.0 19.62GVEE057G96
K21E01P KC2021 03 07.29537509 48 20.24 -00 51 10.5 18.99GVEE057I52
K21E01P KC2021 03 07.29650209 48 22.56 -00 51 03.6 19.32GVEE057I52
K21E01P KC2021 03 07.29763709 48 24.92 -00 50 56.5 19.34GVEE057I52
K21E01P KC2021 03 07.29876709 48 27.26 -00 50 49.7 19.06GVEE057I52
K21E01P KC2021 03 07.79208410 06 39.91 -00 02 29.6 19.7 GVEE057L01
K21E01P KC2021 03 07.79347610 06 42.74 -00 02 21.6 19.5 GVEE057L01
K21E01P KC2021 03 07.79486610 06 45.57 -00 02 13.0 19.5 GVEE057L01
K21E01P KC2021 03 07.79625710 06 48.39 -00 02 05.1 19.4 GVEE057L01
K21E01P KC2021 03 07.79774410 06 51.43 -00 01 56.2 19.5 GVEE057L01
K21E01P 1C2021 03 07.82202 10 07 39.92 -00 00 01.9 19.6 VVEE057033
K21E01P 1C2021 03 07.82260 10 07 41.10 +00 00 01.6 19.8 VVEE057033
K21E01P 1C2021 03 07.82317 10 07 42.28 +00 00 05.0 19.9 VVEE057033
K21E01P KC2021 03 07.87307 10 09 23.96 +00 05 04.5 19.4 GVEE057A17
K21E01P KC2021 03 07.88307 10 09 43.94 +00 06 03.4 19.0 GVEE057A17
K21E01P 1C2021 03 07.88584010 09 47.80 +00 06 22.7 VEE057246
K21E01P 1C2021 03 07.88620010 09 48.53 +00 06 24.2 VEE057246
K21E01P 1C2021 03 07.88649410 09 49.10 +00 06 26.6 VEE057246
K21E01P 1C2021 03 07.88679110 09 49.73 +00 06 27.8 19.9 GVEE057246
K21E01P 1C2021 03 07.88708610 09 50.26 +00 06 30.3 VEE057246
K21E01P 1C2021 03 07.88737710 09 50.89 +00 06 31.5 VEE057246
K21E01P 1C2021 03 07.88766010 09 51.41 +00 06 33.1 VEE057246
K21E01P KC2021 03 07.89126 10 10 00.28 +00 06 51.4 19.1 GVEE057A17
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.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. 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. 1.5-m reflector + 10K 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.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, D. Pujagic, V. Dobos.
Measurers D. Pujagic, K. Korlevic. 1.0-m f/2.9 reflector + CCD.
Orbital elements:
2021 EP1 Earth MOID = 0.0160 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 329.43425 (2000.0) P Q
n 0.50386742 Peri. 333.72155 -0.80568843 -0.59219762
a 1.5640784 Node 169.93463 +0.55569060 -0.76323857
e 0.3668286 Incl. 4.25480 +0.20511974 -0.25839672
P 1.96 H 27.2 G 0.15 U 6
Residuals in seconds of arc
210307 G96 0.3+ 0.2+ 210307 L01 0.2- 0.0 210307 246 0.2- 0.1+
210307 G96 0.1- 0.1- 210307 L01 0.2- 0.4+ 210307 246 0.0 0.5-
210307 G96 0.1- 0.2- 210307 L01 0.4- 0.1+ 210307 246 0.2- 0.1+
210307 G96 0.1- 0.2+ 210307 L01 0.2- 0.3+ 210307 246 0.4+ 0.4-
210307 I52 0.2+ 0.1- 210307 033 0.3+ 0.3- 210307 246 0.5- 0.4+
210307 I52 0.1- 0.1- 210307 033 0.3+ 0.2- 210307 246 0.3+ 0.1-
210307 I52 0.0 0.0 210307 033 0.7+ 0.2- 210307 246 0.4- 0.2-
210307 I52 0.0 0.1- 210307 A17 0.4+ 0.2- 210307 A17 0.0 0.3+
210307 L01 0.0 0.2+ 210307 A17 0.1+ 0.2+
Ephemeris:
2021 EP1 a,e,i = 1.56, 0.37, 4 q = 0.9903
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 02 05 03 41 42.8 -10 11 11 0.09528 0.9966 93.7 80.8 24.9
...
2021 02 20 04 27 43.1 -10 15 10 0.05073 0.9914 91.5 85.5 23.7
...
2021 02 28 05 55 06.1 -09 12 27 0.02826 0.9987 106.1 72.3 22.0
...
2021 03 06 08 58 47.3 -03 01 30 0.01976 1.0087 147.0 32.4 20.1
2021 03 07 09 37 21.6 -01 17 39 0.02008 1.0107 156.0 23.6 19.8
2021 03 08 10 13 40.4 +00 22 35 0.02098 1.0128 164.4 15.3 19.7
...
2021 03 14 12 30 13.3 +06 14 59 0.03420 1.0274 165.9 13.6 20.7
...
2021 03 22 13 30 07.0 +08 09 39 0.05990 1.0518 157.0 21.7 22.2
...
2021 04 06 13 57 43.6 +08 16 23 0.1162 1.1101 159.4 18.5 23.7
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-E57
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