[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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