[Iaude] MPEC D106: 2018 EX3 [a=3.37,e=0.85,i=22.5,H=19.19]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Thu Feb 22 09:10:00 EST 2024
M.P.E.C. 2024-D106 Issued 2024 February 22, 14:08 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2018 EX3
Revision to MPEC 2018-E95
Additional Observations:
K18E03X C2012 02 28.51203312 33 03.425+03 27 56.88 22.50GVED106F51
K18E03X C2012 02 28.52641312 33 02.091+03 28 01.41 22.68GVED106F51
K18E03X C2012 02 28.54080112 33 00.761+03 28 06.02 23.07GVED106F51
K18E03X C2012 02 28.55525112 32 59.424+03 28 10.78 22.54GVED106F51
K18E03X C2012 03 27.36500411 50 51.032+05 44 18.79 22.60GVED106F51
K18E03X C2012 03 27.37947011 50 49.824+05 44 21.49 22.68GVED106F51
K18E03X KC2024 02 19.10455300 04 40.202+23 49 38.39 20.36GVED106I52
K18E03X KC2024 02 19.10764700 04 41.390+23 49 54.01 20.41GVED106I52
K18E03X KC2024 02 19.11073600 04 42.485+23 50 10.07 19.46GVED106I52
K18E03X KC2024 02 19.11382500 04 43.730+23 50 25.58 20.21GVED106I52
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Herman, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer J. B. Fazekas.
Measurers E. C. Beshore, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs,
A. D. Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G.
J. Leonard, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m
prime focus + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
120228 F51 0.04+ 0.07+ 240219 I52 0.19+ 0.61+ MPO687815 -0.47 days
Orbital elements:
2018 EX3 Earth MOID = 0.3153 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5 Veres
M 10.23560 (2000.0) P Q
n 0.15933897 Peri. 29.73462 +0.81204057 -0.58205687
a 3.3696753 Node 6.37763 +0.43109990 +0.54925845
e 0.8518428 Incl. 22.45338 +0.39337385 +0.59960400
P 6.19 H 19.19 G 0.15 U 1
Residuals in seconds of arc
120228 F51 0.1+ 0.2+ 180310 F51 0.0 0.0 180313 H21 0.8- 0.5+
120228 F51 0.1+ 0.0 180312 I52 0.2+ 0.0 180319 691 0.1- 0.1-
120228 F51 0.1+ 0.1- 180312 I52 0.1+ 0.3- 180319 691 0.2- 0.0
120228 F51 0.1+ 0.0 180312 I52 0.9- 0.5+ 180319 691 0.0 0.1-
120327 F51 0.0 0.1+ 180312 I52 0.1- 0.3+ 180320 711 1.1+ 0.3-
120327 F51 0.1- 0.3- 180312 033 0.1- 0.1- 180320 711 0.7+ 0.2+
180215 W84 0.2- 0.2- 180312 033 0.0 0.0 180320 711 0.6+ 0.3+
180219 W84 0.1+ 0.1- 180312 033 0.4- 0.1+ 240219 I52 0.2+ 0.2-
180307 F51 0.1+ 0.1- 180312 033 0.4+ 0.5- 240219 I52 0.3+ 0.2-
180307 F51 0.1+ 0.1- 180313 033 0.2+ 0.3+ 240219 I52 0.8- 0.3+
180310 F51 0.1+ 0.1- 180313 033 0.1+ 0.5+ 240219 I52 0.1+ 0.2+
180310 F51 0.2+ 0.0 180313 H21 0.4- 0.4+
180310 F51 0.1+ 0.1- 180313 H21 0.6- 0.2+
Ephemeris:
2018 EX3 a,e,i = 3.37, 0.85, 22 q = 0.4992
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 01 23 21 51 59.4 -10 17 26 1.1916 0.5064 24.6 54.1 20.1
...
2024 02 07 23 00 04.2 +07 24 10 0.9058 0.5581 34.0 80.9 20.5
...
2024 02 15 23 40 19.1 +18 05 45 0.7844 0.6518 41.2 86.4 20.8
...
2024 02 21 00 17 10.7 +26 29 37 0.7178 0.7357 47.9 85.7 20.8
2024 02 22 00 24 08.7 +27 53 47 0.7091 0.7503 49.1 85.3 20.8
2024 02 23 00 31 23.5 +29 17 30 0.7011 0.7650 50.4 84.7 20.8
...
2024 02 29 01 21 27.2 +37 15 35 0.6686 0.8551 58.2 80.1 20.8
...
2024 03 08 02 46 35.0 +45 16 00 0.6693 0.9769 68.9 71.4 20.8
...
2024 03 23 05 35 06.5 +47 16 34 0.7936 1.2015 83.5 55.5 21.1
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-D106
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