[Iaude] MPEC Y47: 2023 XG18 [a=2.20,e=0.63,i=1.2,H=28.4]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Dec 18 08:58:44 EST 2023


M.P.E.C. 2023-Y47                             Issued 2023 December 18, 13:57 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 XG18                                    


Observations:
     K23X18G*1C2023 12 13.22358604 04 16.277+32 59 14.75         20.59GVEY047G96
     K23X18G 1C2023 12 13.22921304 04 14.765+33 01 07.93         20.53GVEY047G96
     K23X18G 1C2023 12 13.23483804 04 13.199+33 03 02.12         20.84GVEY047G96
     K23X18G 1C2023 12 13.24053504 04 11.600+33 04 55.24         20.99GVEY047G96
     K23X18G KC2023 12 13.34322104 03 42.851+33 40 07.68         20.93GVEY047I52
     K23X18G KC2023 12 13.34425504 03 42.556+33 40 28.85         20.94GVEY047I52
     K23X18G KC2023 12 13.34528804 03 42.304+33 40 50.95         20.75GVEY047I52
     K23X18G KC2023 12 13.34633004 03 41.987+33 41 12.59         20.22GVEY047I52
     K23X18G  C2023 12 14.10930 04 02 26.97 +40 09 48.3          20.2 GVEY047I52
     K23X18G  C2023 12 14.10971 04 02 26.88 +40 10 08.3          20.3 GVEY047I52
     K23X18G  C2023 12 14.11054 04 02 26.45 +40 10 45.6          20.2 GVEY047I52
     K23X18G 1C2023 12 14.39591 03 59 37.44 +44 10 02.2                VEY047G96
     K23X18G 1C2023 12 14.39610 03 59 37.42 +44 10 13.7          18.9 GVEY047G96
     K23X18G 1C2023 12 14.39630 03 59 37.23 +44 10 24.2          19.4 GVEY047G96

Observer details:
G96 Mt. Lemmon Survey.  Observer J. K. Hogan.  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, B. Gray.  1.5-m reflector + 10K
    CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer K. W. Wierzchos.
    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, B.
    Gray.  1.0-m prime focus + CCD, 1.0-m f/2.0 prime focus + CCD.

Orbital elements:
2023 XG18                                                Earth MOID = 0.0053 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                MPC                     
M 320.56191              (2000.0)            P               Q                  
n   0.30139191     Peri.   70.46208     -0.74727467     -0.66425219             
a   2.2031716      Node    67.90810     +0.60186666     -0.68848209             
e   0.6268273      Incl.    1.15624     +0.28166839     -0.29113817             
P   3.27           H   28.40          G   0.15           U   7                  
Residuals in seconds of arc
231213 G96  0.1+  0.4-    231213 I52  0.1-  0.4-    231214 I52  0.5-  0.2+
231213 G96  0.3+  0.1-    231213 I52  0.3+  0.0     231214 G96  0.2-  0.1+
231213 G96  0.1-  1.0+    231213 I52  0.2-  0.2-    231214 G96 (0.9+  0.8+)
231213 G96  0.4-  0.7-    231214 I52 (0.3-  1.8-)   231214 G96  0.2+  0.1-
231213 I52  0.1+  0.1+    231214 I52  0.5+  0.1-

Ephemeris:
2023 XG18                a,e,i = 2.20, 0.63, 1                   q = 0.8222
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 11 18    04 09 27.3 +19 51 35   0.2387  1.2249   170.8     7.4    26.3
...
2023 12 03    04 08 16.1 +21 21 31   0.1045  1.0898   173.9     5.5    24.1
...
2023 12 11    04 06 10.1 +26 17 11   0.03885 1.0224   165.3    14.2    22.2
...
2023 12 17    16 13 34.0 +09 40 06   0.01126 0.9754    38.6   141.0    25.6
2023 12 18    16 11 11.2 -02 06 38   0.01874 0.9679    30.3   149.2    28.0
2023 12 19    16 10 13.0 -07 05 06   0.02656 0.9606    27.9   151.3    29.1
...
2023 12 25    16 09 34.4 -14 42 36   0.07494 0.9194    30.0   147.7    30.6
...
2024 01 02    16 12 49.6 -16 55 18   0.1417  0.8736    36.6   137.9    30.4
...
2024 01 17    16 28 08.8 -18 53 09   0.2736  0.8251    47.8   118.0    29.9

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-Y47




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