MPEC 2023-G24 : 2021 EK53
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M.P.E.C. 2023-G24 Issued 2023 April 3, 20:32 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. 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 EK53
The following astrometry was found among the isolated tracklets and linked
by D. Rankin, D. Bamberger and B. Gray.
Observations:
K21E53K* C2021 03 15.23961 09 33 43.458+13 35 50.74 21.4 wUEG024F51
K21E53K C2021 03 15.25125 09 33 42.959+13 35 51.77 21.3 wUEG024F51
K21E53K C2021 03 15.26285 09 33 42.465+13 35 52.75 21.1 wUEG024F51
K21E53K C2021 03 15.27447 09 33 41.962+13 35 53.80 21.6 wUEG024F51
K21E53K C2021 03 19.23979909 31 47.78 +13 38 35.8 21.77GVEG024G96
K21E53K C2021 03 19.24493009 31 47.63 +13 38 36.0 21.46GVEG024G96
K21E53K C2021 03 19.25005509 31 47.49 +13 38 36.0 21.22GVEG024G96
K21E53K C2021 03 19.25517009 31 47.33 +13 38 36.3 21.37GVEG024G96
K21E53K C2021 04 06.14934 09 35 46.33 +12 52 15.7 22.1 GVEG024G96
K21E53K C2021 04 06.16101 09 35 46.71 +12 52 11.7 21.8 GVEG024G96
K21E53K C2021 04 13.23815509 43 28.68 +12 04 20.0 VEG024V00
K21E53K C2021 04 13.24295809 43 29.01 +12 04 17.7 21.92GVEG024V00
K21E53K C2021 04 13.24774309 43 29.34 +12 04 15.0 22.11GVEG024V00
K21E53K C2021 04 13.25253409 43 29.70 +12 04 12.8 21.88GVEG024V00
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, M.
Willman. Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observers D. Rankin, 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, B. Gray. 1.5-m
reflector + 10K CCD.
V00 Kitt Peak-Bok. Observer H. Groeller. Measurers M. J. Brucker, E. J.
Christensen, C. E. Woodward, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. S.
McMillan, T. A. Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W.
Wierzchos. 2.25-m reflector + CCD.
Orbital elements:
2021 EK53 Earth MOID = 0.1904 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 197.80175 (2000.0) P Q
n 0.30353015 Peri. 252.28536 -0.82596354 +0.56368144
a 2.1928125 Node 322.02460 -0.51287135 -0.75647156
e 0.4545299 Incl. 0.64149 -0.23398120 -0.33168361
P 3.25 H 21.99 G 0.15 U 7
Residuals in seconds of arc
210315 F51 0.1+ 0.0 210319 G96 0.1- 0.2+ 210413 V00 0.3+ 0.0
210315 F51 0.0 0.0 210319 G96 0.1+ 0.1+ 210413 V00 0.1+ 0.1+
210315 F51 0.0 0.1- 210319 G96 0.1- 0.4+ 210413 V00 0.2- 0.2-
210315 F51 0.1- 0.0 210406 G96 0.1+ 0.0 210413 V00 0.1- 0.0
210319 G96 0.1- 0.0 210406 G96 (1.5- 0.2-)
Ephemeris:
2021 EK53 a,e,i = 2.19, 0.45, 1 q = 1.1961
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 04 01 49 08.5 +11 48 39 3.7570 3.1610 46.7 13.2 28.1
...
2023 03 19 02 06 06.1 +13 19 08 3.8949 3.1465 36.2 10.8 28.1
...
2023 03 27 02 15 42.2 +14 08 19 3.9538 3.1375 30.7 9.3 28.1
...
2023 04 02 02 23 07.5 +14 45 13 3.9910 3.1302 26.7 8.2 28.0
2023 04 03 02 24 22.8 +14 51 21 3.9966 3.1289 26.0 8.0 28.0
2023 04 04 02 25 38.3 +14 57 28 4.0021 3.1276 25.3 7.9 28.0
...
2023 04 10 02 33 17.0 +15 34 04 4.0311 3.1197 21.4 6.7 28.0
...
2023 04 18 02 43 43.1 +16 22 11 4.0600 3.1084 16.2 5.2 27.9
...
2023 05 03 03 03 55.5 +17 49 11 4.0837 3.0848 6.6 2.1 27.7
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-G24
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