[Iaude] MPEC A06: 2023 XV21 [a=1.24,e=0.26,i=8.6,H=23.0]

[mpec at marsden.cfa.harvard.edu]

M.P.E.C. 2024-A06                               Issued 2024 January 1, 17:11 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 XV21                                    


Observations:
     K23X21V*,C2023 12 06.21446 05 42 55.17 -24 03 54.2          20.8 GXEA006807
     K23X21V ,C2023 12 06.22712 05 42 54.58 -24 04 22.9          20.8 GXEA006807
     K23X21V ,C2023 12 06.23899 05 42 54.01 -24 04 49.4          20.8 GXEA006807
     K23X21V ,C2023 12 09.23716 05 41 06.42 -25 58 34.2          21.5 GXEA006807
     K23X21V ,C2023 12 09.24299 05 41 06.08 -25 58 47.3          21.5 GXEA006807
     K23X21V ,C2023 12 09.24896 05 41 05.73 -25 59 00.6          21.5 GXEA006807
     K23X21V ,C2023 12 11.20156 05 39 40.48 -27 13 52.6          21.7 GXEA006807
     K23X21V ,C2023 12 11.20916 05 39 40.00 -27 14 09.9          21.5 GXEA006807
     K23X21V ,C2023 12 11.21725 05 39 39.46 -27 14 28.7          21.0 GXEA006807

Observer details:
807 Cerro Tololo Observatory, La Serena.  Observers H. Jeon, D. Kim, C. Lee,
    O. Vaduvescu, E. Unda-Sanzana, M. Popescu.  Measurers M. Predatu, O.
    Vaduvescu, M. Popescu, M. Stanescu, L. Curelaru.  1.6-m f/3.0 reflector +
    CCD.

Orbital elements:
2023 XV21                                                Earth MOID = 0.0563 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 242.50041              (2000.0)            P               Q                  
n   0.71087001     Peri.   17.04435     -0.94900151     -0.30335375             
a   1.2433954      Node   144.92525     +0.26902980     -0.92119320             
e   0.2647583      Incl.    8.59338     +0.16437486     -0.24367928             
P   1.39           H   23.04          G   0.15           U   9                  
Residuals in seconds of arc
231206 807  0.0   0.1-    231209 807  0.0   0.2-    231211 807  0.1-  0.2-
231206 807  0.1+  0.1-    231209 807  0.0   0.0     231211 807  0.1+  0.2+
231206 807  0.1-  0.2+    231209 807  0.0   0.3+    231211 807  0.0   0.0

Ephemeris:
2023 XV21                a,e,i = 1.24, 0.26, 9                   q = 0.9142
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 12 02    05 44 37.2 -21 26 56   0.2358  1.1599   133.1    38.4    21.8
...
2023 12 17    05 34 09.6 -30 59 35   0.1768  1.0968   125.7    46.8    21.2
...
2023 12 25    05 23 15.6 -36 24 42   0.1491  1.0641   119.1    53.9    21.0
...
2023 12 31    05 11 45.2 -40 52 31   0.1293  1.0405   112.9    60.5    20.8
2024 01 01    05 09 26.1 -41 40 34   0.1261  1.0367   111.8    61.7    20.8
2024 01 02    05 06 58.2 -42 29 53   0.1229  1.0329   110.6    63.0    20.8
...
2024 01 08    04 47 54.2 -48 00 55   0.1039  1.0109   102.5    71.8    20.7
...
2024 01 16    03 57 21.1 -57 45 48   0.08012 0.9839    87.8    87.5    20.6
...
2024 01 31    21 05 57.9 -57 26 40   0.05562 0.9431    39.9   138.0    23.2

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-A06