MPEC 2021-E69 : 2021 EZ1
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M.P.E.C. 2021-E69 Issued 2021 March 8, 11:18 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 EZ1
Observations:
K21E01Z*HC2021 03 07.29498210 59 11.60 -00 48 27.8 20.01GVEE069G96
K21E01Z HC2021 03 07.30016310 59 02.18 -00 48 50.8 20.15GVEE069G96
K21E01Z HC2021 03 07.30534610 58 52.68 -00 49 15.0 VEE069G96
K21E01Z HC2021 03 07.31053310 58 43.30 -00 49 37.8 20.20GVEE069G96
K21E01Z KC2021 03 07.45324510 54 40.67 -00 59 38.8 19.74GVEE069I52
K21E01Z KC2021 03 07.45423210 54 39.10 -00 59 42.8 19.37GVEE069I52
K21E01Z KC2021 03 07.45521710 54 37.58 -00 59 47.3 19.90GVEE069I52
K21E01Z KC2021 03 07.80408210 47 42.75 -01 21 16.8 20.3 GVEE069L01
K21E01Z KC2021 03 07.80643610 47 39.91 -01 21 23.7 20.4 GVEE069L01
K21E01Z KC2021 03 07.80877710 47 37.03 -01 21 31.6 20.4 GVEE069L01
K21E01Z KC2021 03 07.81188010 47 33.29 -01 21 40.7 20.5 GVEE069L01
K21E01Z 1C2021 03 07.91711710 45 26.81 -01 27 08.1 VEE069246
K21E01Z 1C2021 03 07.91779010 45 25.99 -01 27 09.7 VEE069246
K21E01Z 1C2021 03 07.93092510 45 10.70 -01 27 46.3 20.3 GVEE069246
K21E01Z KC2021 03 08.14550710 41 48.68 -01 36 19.8 20.6 VuEE069H21
K21E01Z KC2021 03 08.15064910 41 43.46 -01 36 32.4 20.6 VuEE069H21
K21E01Z KC2021 03 08.15511110 41 38.92 -01 36 43.0 20.7 VuEE069H21
Observer details:
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha, M. Honkova.
Measurer M. Tichy. 1.06-m f/2.7 reflector + 2048x2048 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.
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.
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 EZ1 Earth MOID = 0.0027 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 347.25504 (2000.0) P Q
n 0.94484783 Peri. 67.79207 +0.59215921 -0.80520177
a 1.0285565 Node 345.76336 +0.68393677 +0.52293269
e 0.4273157 Incl. 7.37887 +0.42611966 +0.27962746
P 1.04 H 28.28 G 0.15 U 7
Residuals in seconds of arc
210307 G96 (2.1- 0.1+) 210307 I52 0.0+ 0.7- 210307 246 0.5- 0.6-
210307 G96 0.2- 0.5+ 210307 L01 0.1- 0.2+ 210307 246 1.2- 0.3-
210307 G96 0.0+ 0.3- 210307 L01 0.5+ 0.6+ 210308 H21 0.1- 0.1+
210307 G96 (1.5+ 0.2+) 210307 L01 0.1- 0.2- 210308 H21 0.2+ 0.1+
210307 I52 0.3+ 0.1+ 210307 L01 0.4+ 0.3+ 210308 H21 0.1+ 0.4+
210307 I52 0.1- 0.1- 210307 246 0.1+ 0.9-
Ephemeris:
2021 EZ1 a,e,i = 1.03, 0.43, 7 q = 0.5890
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 02 06 21 51 32.9 +02 01 11 0.2218 0.7806 19.5 155.0 34.0
...
2021 02 21 21 43 19.8 +03 57 30 0.09303 0.9003 16.9 161.4 34.4
...
2021 03 01 21 17 15.4 +05 15 29 0.03129 0.9627 25.9 153.2 29.8
...
2021 03 07 11 08 30.4 -00 17 55 0.01569 1.0079 174.3 5.6 19.7
2021 03 08 10 43 59.1 -01 25 59 0.02303 1.0153 170.2 9.6 20.8
2021 03 09 10 31 23.7 -02 00 16 0.03052 1.0226 166.8 12.8 21.5
...
2021 03 15 10 09 06.9 -02 57 24 0.07652 1.0652 156.9 21.5 23.9
...
2021 03 23 10 04 52.3 -03 07 35 0.1400 1.1190 149.1 27.3 25.5
...
2021 04 07 10 10 17.3 -03 11 57 0.2669 1.2095 136.8 34.5 27.3
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-E69
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