[Iaude] MPEC X278: 2023 XX12 [a=1.03,e=0.26,i=3.1,H=24.6]

Thu Dec 14 01:58:00 EST 2023

M.P.E.C. 2023-X278                            Issued 2023 December 14, 06:56 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 XX12                                    


Observations:
     K23X12X 1C2023 12 04.45361 06 10 44.71 +13 24 11.1          21.8 GVEX278G96
     K23X12X 1C2023 12 04.46919 06 10 43.07 +13 23 37.7          20.9 GVEX278G96
     K23X12X* C2023 12 12.44480005 53 37.755+07 32 59.96         20.81wXEX278F51
     K23X12X  C2023 12 12.45881305 53 34.867+07 32 13.55         20.61wXEX278F51
     K23X12X  C2023 12 12.47224105 53 32.094+07 31 28.67         21.08wXEX278F51
     K23X12X  C2023 12 12.48412805 53 29.631+07 30 49.10         21.28wXEX278F51
     K23X12X |C2023 12 13.17462005 51 26.410+06 52 46.60         20.6 GVEX278807
     K23X12X |C2023 12 13.17904605 51 25.490+06 52 31.30         20.3 GVEX278807
     K23X12X |C2023 12 13.18338305 51 24.510+06 52 16.40         20.4 GVEX278807
     K23X12X KC2023 12 13.57127505 50 09.576+06 29 46.03         20.7 GVEX278474
     K23X12X KC2023 12 13.57368205 50 09.031+06 29 37.97         20.8 GVEX278474
     K23X12X KC2023 12 13.57753105 50 08.208+06 29 24.54         20.9 GVEX278474
     K23X12X KC2023 12 13.57993805 50 07.810+06 29 13.60         21.1 GVEX278474
     K23X12X KC2023 12 14.20766805 48 06.41 +05 49 27.3                VEX278H21
     K23X12X KC2023 12 14.21606005 48 04.50 +05 48 56.1          20.7 GVEX278H21
     K23X12X KC2023 12 14.21885705 48 03.87 +05 48 45.7          20.9 GVEX278H21
     K23X12X KC2023 12 14.22473305 48 02.52 +05 48 24.0          21.0 GVEX278H21

Observer details:
474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore, P. M.
    Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 Reflector + CCD.
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes, L.
    Horn.  0.61-m f/11 Ritchey-Chretien + CCD.
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.
G96 Mt. Lemmon Survey.  Observer J. K. Hogan.  Measurers B. Gray, D. Rankin,
    F. C. Shelly.  1.5-m reflector + 10K CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.76-m f/3.0 astrograph + CCD.

Orbital elements:
2023 XX12                                                Earth MOID = 0.0433 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                MPC                     
M 187.26661              (2000.0)            P               Q                  
n   0.93715386     Peri.  328.36822     -0.95176667     +0.30397911             
a   1.0341784      Node   229.38717     -0.26880897     -0.89160656             
e   0.2622725      Incl.    3.14714     -0.14792546     -0.33561054             
P   1.05           H   24.68          G   0.15           U   7                  
Residuals in seconds of arc
231204 G96  0.1-  0.2+    231213 807  0.0   0.3-    231213 474 (1.8+  1.9-)
231204 G96  0.0   0.1-    231213 807  0.4+  0.3-    231214 H21  0.0   0.2+
231212 F51  0.0   0.0     231213 807  0.3-  0.2-    231214 H21  0.1-  0.0
231212 F51  0.1+  0.1+    231213 474  0.2+  0.4-    231214 H21  0.1+  0.0
231212 F51  0.2+  0.1-    231213 474  0.1-  0.1+    231214 H21  0.1-  0.1+
231212 F51  0.2+  0.0     231213 474  0.0   0.4+

Ephemeris:
2023 XX12                a,e,i = 1.03, 0.26, 3                   q = 0.7629
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 11 14    06 18 14.3 +20 49 31   0.2649  1.1962   136.7    34.6    23.6
...
2023 11 29    06 16 47.9 +16 08 23   0.1779  1.1457   151.2    24.5    22.4
...
2023 12 07    06 06 32.6 +11 49 50   0.1379  1.1154   159.2    18.3    21.6
...
2023 12 13    05 51 57.7 +07 02 05   0.1116  1.0912   162.0    16.2    21.0
2023 12 14    05 48 46.8 +06 03 00   0.1075  1.0871   161.8    16.5    20.9
2023 12 15    05 45 20.8 +05 00 04   0.1036  1.0829   161.2    17.0    20.8
...
2023 12 21    05 18 26.1 -02 55 38   0.08239 1.0575   152.3    25.6    20.6
...
2023 12 29    04 17 25.9 -19 06 47   0.06264 1.0222   126.8    50.4    20.6
...
2024 01 13    00 16 15.7 -47 28 40   0.06541 0.9537    61.1   115.4    23.2

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-X278