[Iaude] MPEC Y33: 2023 XC18 [a=1.15,e=0.22,i=17.2,H=21.5]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun Dec 17 18:49:05 EST 2023


M.P.E.C. 2023-Y33                             Issued 2023 December 17, 23:47 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

                                   2023 XC18                                    


Observations:
     K23X18C 1C2023 12 11.39616 09 28 04.10 +50 40 28.8          22.3 GVEY033G96
     K23X18C 1C2023 12 11.40136 09 28 04.92 +50 40 42.2                VEY033G96
     K23X18C 1C2023 12 11.40657 09 28 05.79 +50 40 54.5          21.0 GVEY033G96
     K23X18C* C2023 12 15.59950309 39 52.174+53 39 59.81         21.48wXEY033F52
     K23X18C  C2023 12 15.62791309 39 56.713+53 41 14.29         21.75wXEY033F52
     K23X18C  C2023 12 15.64218309 39 58.985+53 41 51.54         21.80wXEY033F52
     K23X18C KC2023 12 16.25605509 41 47.833+54 08 35.62         21.6 GVEY033H01
     K23X18C KC2023 12 16.26100809 41 48.707+54 08 49.05         21.9 GVEY033H01
     K23X18C KC2023 12 16.26864609 41 50.012+54 09 09.95         21.7 GVEY033H01
     K23X18C KC2023 12 16.27307209 41 50.774+54 09 22.05         21.4 GVEY033H01
     K23X18C KC2023 12 17.14236 09 44 21.25 +54 47 55.8          21.4 GVEY033204
     K23X18C KC2023 12 17.16601 09 44 25.20 +54 48 59.1                VEY033204
     K23X18C KC2023 12 17.18966 09 44 29.14 +54 50 01.9                VEY033204

Observer details:
204 Schiaparelli Observatory.  Observers L. Buzzi, G. Galli.  0.84-m f/3.5
    reflector + CCD.
F52 Pan-STARRS 2, 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.
G96 Mt. Lemmon Survey.  Observer D. Rankin.  Measurers B. Gray, D. Rankin, F.
    C. Shelly.  1.5-m reflector + 10K CCD.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 Ritchey-Chretien + CCD.

Orbital elements:
2023 XC18                                                Earth MOID = 0.1093 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                MPC                     
M 174.44737              (2000.0)            P               Q                  
n   0.79737462     Peri.  175.61117     -0.67766570     +0.69817689             
a   1.1517577      Node    51.51931     -0.68334977     -0.48187654             
e   0.2172564      Incl.   17.15571     -0.27166579     -0.52947524             
P   1.24           H   21.51          G   0.15           U   8                  
Residuals in seconds of arc
231211 G96  0.3-  0.2+    231215 F52  0.0   0.1-    231217 204  0.2-  0.3-
231211 G96  0.2-  0.4+    231216 H01  0.2-  0.0     231217 204  0.0   0.0
231211 G96  0.4+  0.5-    231216 H01  0.0   0.0     231217 204  0.1+  0.0
231215 F52  0.0   0.1-    231216 H01  0.0   0.0
231215 F52  0.1+  0.1-    231216 H01  0.1+  0.1+

Ephemeris:
2023 XC18                a,e,i = 1.15, 0.22, 17                  q = 0.9015
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 11 17    08 26 21.4 +36 57 05   0.6074  1.3475   113.0    42.5    22.7
...
2023 12 02    09 03 13.2 +44 37 39   0.5061  1.3164   120.4    40.3    22.2
...
2023 12 10    09 24 14.4 +49 42 58   0.4615  1.2971   123.3    39.4    22.0
...
2023 12 16    09 41 01.3 +53 57 21   0.4332  1.2815   124.7    39.1    21.8
2023 12 17    09 43 56.0 +54 41 31   0.4290  1.2789   124.9    39.1    21.8
2023 12 18    09 46 53.1 +55 26 08   0.4248  1.2761   125.0    39.2    21.7
...
2023 12 24    10 05 36.6 +60 00 55   0.4028  1.2593   125.2    39.7    21.6
...
2024 01 01    10 34 31.0 +66 15 07   0.3804  1.2356   123.7    41.5    21.5
...
2024 01 16    11 55 40.2 +76 59 19   0.3563  1.1874   116.7    47.7    21.4

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-Y33




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