MPEC 2021-E81 : 2021 EO2
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M.P.E.C. 2021-E81 Issued 2021 March 8, 20:59 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 EO2
Observations:
K21E02O* C2021 03 07.29638410 54 10.36 +04 22 26.5 21.66GVEE081G96
K21E02O C2021 03 07.30156410 54 12.32 +04 22 09.0 21.55GVEE081G96
K21E02O C2021 03 07.30675410 54 14.23 +04 21 51.4 20.89GVEE081G96
K21E02O C2021 03 07.31194010 54 16.13 +04 21 33.7 21.31GVEE081G96
K21E02O KC2021 03 07.41431 10 54 55.57 +04 15 39.5 oEE081691
K21E02O KC2021 03 07.41947010 54 57.32 +04 15 20.2 21.19GVEE081I52
K21E02O KC2021 03 07.42367310 54 59.00 +04 15 05.4 20.82GVEE081I52
K21E02O KC2021 03 07.42727 10 55 00.69 +04 14 55.0 oEE081691
K21E02O KC2021 03 07.42787510 55 00.69 +04 14 50.7 20.90GVEE081I52
K21E02O KC2021 03 07.43208110 55 02.41 +04 14 35.2 21.88GVEE081I52
K21E02O KC2021 03 07.44022 10 55 06.06 +04 14 06.6 21.2 RoEE081691
K21E02O KC2021 03 08.23103211 01 51.42 +03 24 45.4 20.69GVEE081G96
K21E02O KC2021 03 08.23276911 01 52.22 +03 24 39.0 20.59GVEE081G96
K21E02O KC2021 03 08.23672211 01 54.01 +03 24 23.1 20.53GVEE081G96
K21E02O KC2021 03 08.49969911 04 12.93 +03 11 12.9 20.5 GVEE081474
K21E02O KC2021 03 08.50209711 04 14.08 +03 11 03.2 21.0 GVEE081474
K21E02O KC2021 03 08.50449311 04 15.24 +03 10 53.0 20.5 GVEE081474
K21E02O KC2021 03 08.50689111 04 16.42 +03 10 43.1 21.2 GVEE081474
K21E02O 1C2021 03 08.85036 11 07 39.60 +02 39 36.3 21.4 VVEE081033
K21E02O 1C2021 03 08.85209 11 07 40.50 +02 39 28.6 21.5 VVEE081033
K21E02O 1C2021 03 08.85382 11 07 41.47 +02 39 20.5 21.1 VVEE081033
K21E02O 1C2021 03 08.85560 11 07 42.43 +02 39 12.9 21.3 VVEE081033
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.
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore, P. M.
Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
691 Steward Observatory, Kitt Peak-Spacewatch. Observer J. V. Scotti. 0.9-m
f/3 reflector + 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.
Orbital elements:
2021 EO2 Earth MOID = 0.0010 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 296.24159 (2000.0) P Q
n 0.55650887 Peri. 353.96486 -0.90277900 +0.43010301
a 1.4638210 Node 211.50933 -0.39451605 -0.82920146
e 0.3338781 Incl. 0.13324 -0.17131013 -0.35698228
P 1.77 H 28.0 G 0.15 U 6
Residuals in seconds of arc
210307 G96 0.1- 0.1- 210307 I52 0.1- 0.2+ 210308 474 0.1- 0.1-
210307 G96 0.4+ 0.0 210307 I52 0.2+ 0.4- 210308 474 0.2+ 0.1+
210307 G96 0.1+ 0.0 210307 691 (4.4+ 1.9-) 210308 033 0.3+ 0.0
210307 G96 0.3- 0.0 210308 G96 0.0 0.3- 210308 033 0.3- 0.1+
210307 691 (3.0+ 0.6-) 210308 G96 0.1+ 0.3+ 210308 033 0.1+ 0.2-
210307 I52 0.2- 0.0 210308 G96 0.0 0.2+ 210308 033 0.1- 0.2+
210307 I52 0.2- 0.1+ 210308 474 0.0 0.3-
210307 691 (2.3+ 0.7+) 210308 474 0.1- 0.1+
Ephemeris:
2021 EO2 a,e,i = 1.46, 0.33, 0 q = 0.9751
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 02 06 09 56 50.3 +11 35 10 0.1661 1.1499 169.8 8.8 25.0
...
2021 02 21 10 08 14.2 +10 06 22 0.09562 1.0845 177.8 2.0 23.3
...
2021 03 01 10 23 59.9 +08 09 23 0.06343 1.0539 174.2 5.5 22.6
...
2021 03 07 10 51 59.8 +04 40 30 0.04132 1.0335 175.5 4.3 21.5
2021 03 08 10 59 45.2 +03 41 52 0.03785 1.0303 176.3 3.5 21.3
2021 03 09 11 09 02.0 +02 31 24 0.03447 1.0272 177.1 2.8 21.0
...
2021 03 15 13 15 07.1 -12 46 05 0.01799 1.0103 151.9 27.7 20.5
...
2021 03 23 18 54 35.4 -25 10 18 0.02623 0.9924 80.0 98.5 23.6
...
2021 04 07 20 46 32.7 -18 14 36 0.07601 0.9750 68.0 107.9 26.4
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-E81
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