[Iaude] MPEC B126: 2018 XZ3 [a=2.35,e=0.51,i=7.2,H=19.79]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed Jan 24 09:18:05 EST 2024


M.P.E.C. 2024-B126                             Issued 2024 January 24, 14:16 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 XZ3                                    


                           Revision to MPEC 2018-X117                           

Additional Observations:
     K18X03Z 5C2014 05 05.20929 15 15 55.49 -25 24 58.8          23.0   EB126W84
     K18X03Z 5C2014 05 05.21008 15 15 55.43 -25 24 58.8                 EB126W84
     K18X03Z 5C2014 05 05.21088 15 15 55.36 -25 24 58.8                 EB126W84
     K18X03Z 5C2014 05 05.21165 15 15 55.31 -25 24 58.8                 EB126W84
     K18X03Z 5C2014 05 05.21243 15 15 55.23 -25 24 58.7                 EB126W84
     K18X03Z 5C2014 05 05.21322 15 15 55.18 -25 24 58.8                 EB126W84
     K18X03Z  C2014 05 23.38648714 50 41.558-24 40 07.99         22.20GVEB126F51
     K18X03Z  C2014 05 23.39768914 50 40.577-24 40 05.68         22.51GVEB126F51
     K18X03Z  C2014 05 23.40890914 50 39.606-24 40 03.29         22.75GVEB126F51
     K18X03Z KC2014 06 20.29082014 20 26.958-22 47 23.89         22.61GVEB126F51
     K18X03Z  C2014 06 30.30588614 15 56.524-22 18 55.37         22.68GVEB126F51

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.
W84 Cerro Tololo-DECam.  Observers L. Allen, D. Trilling, D. James, D.
    Herrera, C. Fuentes, J. Rajagopal, T. Axelrod.  Measurer F. Valdes.  4.0-m
    CTIO reflector + DECam.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
140505 W84  3.0+  0.8+    140630 F51  2.5+  1.4+    MPO782551   +0.00 days

Orbital elements:
2018 XZ3                                                 Earth MOID = 0.1456 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 147.49176              (2000.0)            P               Q                  
n   0.27318052     Peri.  341.17446     +0.99610782     +0.08264401             
a   2.3523552      Node    14.18963     -0.05585538     +0.86080618             
e   0.5134887      Incl.    7.18180     -0.06818635     +0.50217795             
P   3.61           H   19.79          G   0.15           U   3                  
Residuals in seconds of arc
140505 W84  0.1-  0.1+    181209 G96  0.2-  0.1-    181210 I52  0.1+  0.2+
140505 W84  0.0   0.1+    181209 G96  0.1+  0.1-    181210 I52  0.6-  0.4+
140505 W84  0.1-  0.0     181209 G96  0.1+  0.2+    181211 L01  0.2+  0.2-
140505 W84  0.1+  0.0     181209 H01  0.1-  0.1-    181211 L01  0.1+  0.2-
140505 W84  0.2-  0.0     181209 H01  0.0   0.0     181211 L01  0.6+  0.2-
140505 W84  0.0   0.1-    181209 H01  0.1-  0.1-    181213 I52  0.4-  0.0
140523 F51  0.2+  0.1+    181209 H01  0.0   0.1-    181213 I52  0.7-  0.1+
140523 F51  0.0   0.0     181209 291  0.1+  0.1-    181214 I52  0.1-  0.1-
140523 F51  0.0   0.1-    181209 I52  0.0   0.1-    181214 I52  0.1+  0.2-
140620 F51  0.2+  0.4+    181209 I52  0.3+  0.1+    181214 I52  0.1-  0.1-
140630 F51  0.0   0.1-    181209 291  0.3-  0.0     181214 I52  0.0   0.1+
180908 G96  0.2+  0.1-    181209 I52  0.1-  0.5+    190108 291  0.2-  0.5-
180908 G96  0.2-  0.1+    181209 291  0.4-  0.4+    190108 291  0.2-  0.0
180908 G96  0.1+  0.1+    181209 I52  0.4-  0.5+    190108 291  0.0   0.1-
181209 G96  0.4+  0.1-    181210 I52  1.0-  0.4-

Ephemeris:
2018 XZ3                 a,e,i = 2.35, 0.51, 7                   q = 1.1444
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 12 25    12 39 58.7 -01 34 09   3.5459  3.5588    82.8    15.9    26.2
...
2024 01 09    12 45 36.9 -02 11 06   3.3120  3.5603    96.5    15.9    26.0
...
2024 01 17    12 47 08.5 -02 21 32   3.1879  3.5600   104.2    15.5    25.9
...
2024 01 23    12 47 31.7 -02 24 44   3.0970  3.5593   110.2    15.0    25.8
2024 01 24    12 47 31.6 -02 24 53   3.0821  3.5591   111.3    14.9    25.8
2024 01 25    12 47 30.3 -02 24 54   3.0674  3.5590   112.3    14.8    25.8
...
2024 01 31    12 46 58.2 -02 22 36   2.9807  3.5577   118.5    14.1    25.7
...
2024 02 08    12 45 07.4 -02 12 55   2.8723  3.5553   127.1    12.8    25.6
...
2024 02 23    12 38 10.0 -01 34 44   2.7000  3.5487   144.1     9.4    25.3

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-B126




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