MPEC 2021-E44 : 2021 ED1
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M.P.E.C. 2021-E44 Issued 2021 March 7, 01:45 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 ED1
Observations:
K21E01D*HC2021 03 06.34069711 41 46.05 +12 02 04.1 19.57GVEE044G96
K21E01D HC2021 03 06.34586511 41 50.43 +12 05 17.6 VEE044G96
K21E01D HC2021 03 06.35103011 41 54.98 +12 08 32.7 20.00GVEE044G96
K21E01D HC2021 03 06.35617611 41 59.35 +12 11 45.1 VEE044G96
K21E01D KC2021 03 06.46782811 43 36.36 +13 19 49.6 19.32GVEE044I52
K21E01D KC2021 03 06.46896111 43 37.38 +13 20 30.5 19.26GVEE044I52
K21E01D KC2021 03 06.47009611 43 38.44 +13 21 10.4 19.24GVEE044I52
K21E01D KC2021 03 06.53257 11 44 35.73 +13 57 55.3 20.0 RoEE044291
K21E01D KC2021 03 06.53477 11 44 37.77 +13 59 11.3 oEE044291
K21E01D IC2021 03 06.99548611 52 23.89 +18 11 09.5 19.9 GVEE044L01
K21E01D IC2021 03 06.99648611 52 24.63 +18 11 39.7 20.2 GVEE044L01
K21E01D IC2021 03 06.99948011 52 26.90 +18 13 10.9 20.3 GVEE044L01
K21E01D KC2021 03 07.00148211 52 28.44 +18 14 11.5 20.5 GVEE044L01
K21E01D KC2021 03 07.00363311 52 30.04 +18 15 17.5 20.4 GVEE044L01
K21E01D 1C2021 03 07.03393 11 52 54.11 +18 29 51.9 20.2 VVEE044033
K21E01D 1C2021 03 07.03450 11 52 54.54 +18 30 09.0 20.5 VVEE044033
K21E01D 1C2021 03 07.03509 11 52 54.99 +18 30 26.4 20.5 VVEE044033
K21E01D 1C2021 03 07.03566 11 52 55.44 +18 30 43.7 20.6 VVEE044033
K21E01D pC2021 03 07.03774411 52 55.84 +18 32 20.5 19.9 GVEE044595
K21E01D pC2021 03 07.05185411 53 06.55 +18 39 22.5 19.8 GVEE044595
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.
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
595 Farra d'Isonzo. Observers S. Aschi, E. Pettarin. Measurer S. Aschi.
0.40-m f/5.15 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.
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 ED1 Earth MOID = 0.0128 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 338.83280 (2000.0) P Q
n 0.82804235 Peri. 300.75825 -0.27797309 -0.95912948
a 1.1231412 Node 165.09898 +0.93661171 -0.28285730
e 0.1655916 Incl. 11.87832 +0.21328258 -0.00789906
P 1.19 H 28.1 G 0.15 U 7
Residuals in seconds of arc
210306 G96 0.2+ 0.3+ 210306 291 (1.7+ 2.4-) 210307 033 0.0 0.1+
210306 G96 0.9- 0.7- 210306 291 (1.3+ 3.0-) 210307 033 0.1- 0.1+
210306 G96 0.7+ 0.4+ 210306 L01 0.3+ 0.0 210307 033 0.1- 0.2-
210306 G96 0.1- 0.1- 210306 L01 0.0 0.3- 210307 033 0.0 0.1+
210306 I52 0.2- 0.0 210306 L01 0.1+ 0.2- 210307 595 0.6- 0.4-
210306 I52 0.1- 0.4+ 210307 L01 0.5+ 0.5- 210307 595 0.1+ 1.1+
210306 I52 0.6+ 0.2- 210307 L01 0.2+ 0.1+
Ephemeris:
2021 ED1 a,e,i = 1.12, 0.17, 12 q = 0.9372
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 02 05 02 22 03.8 -61 08 02 0.1101 0.9534 69.7 104.0 27.0
...
2021 02 20 03 36 34.1 -65 49 35 0.05125 0.9778 76.2 100.9 25.3
...
2021 02 28 07 36 52.8 -64 12 20 0.02100 0.9943 99.7 79.1 22.5
...
2021 03 06 11 35 33.2 +08 19 25 0.01601 1.0079 172.2 7.6 19.7
2021 03 07 11 52 26.7 +18 16 36 0.01871 1.0102 163.4 16.3 20.4
2021 03 08 12 05 54.8 +25 27 40 0.02191 1.0126 156.0 23.5 20.9
...
2021 03 14 12 48 56.9 +42 59 09 0.04497 1.0272 136.5 41.8 23.1
...
2021 03 22 13 08 26.8 +48 19 03 0.07837 1.0477 129.3 47.4 24.5
...
2021 04 06 13 17 13.1 +49 01 27 0.1425 1.0877 124.5 49.3 25.9
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-E44
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