[Iaude] MPEC W84: 2023 WC2 [a=1.72,e=0.42,i=7.4,H=25.1]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed Nov 22 06:59:09 EST 2023


M.P.E.C. 2023-W84                             Issued 2023 November 22, 11:57 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 WC2                                    


Observations:
     K23W02C  C2023 11 02.19495 22 46 10.13 +43 18 44.6          21.0 GVEW084G96
     K23W02C  C2023 11 02.20006 22 46 10.80 +43 18 56.1          22.0 GVEW084G96
     K23W02C  C2023 11 02.20517 22 46 11.48 +43 19 06.6          21.1 GVEW084G96
     K23W02C* C2023 11 21.54661506 30 48.533+29 37 49.62         17.86cVEW084T05
     K23W02C  C2023 11 21.55023706 30 53.902+29 36 12.53         18.24cVEW084T05
     K23W02C  C2023 11 21.55815406 31 05.549+29 32 43.37         18.42cVEW084T05
     K23W02C  C2023 11 21.56918806 31 21.754+29 27 51.26         19.11cVEW084T05
     K23W02C KC2023 11 21.65997206 34 03.12 +28 46 28.0          18.7 GVEW084900
     K23W02C KC2023 11 21.66791206 34 14.67 +28 43 03.4          18.0 GVEW084900
     K23W02C KC2023 11 21.67585206 34 26.19 +28 39 38.7          18.0 GVEW084900
     K23W02C KC2023 11 21.90712506 40 33.37 +26 57 34.3          17.5 GVEW084203
     K23W02C KC2023 11 21.92516706 40 59.25 +26 50 02.0          17.9 GVEW084203
     K23W02C KC2023 11 21.93224806 41 09.33 +26 47 04.5          17.6 GVEW084203
     K23W02C KC2023 11 21.99399706 42 36.314+26 20 29.44         18.0 GVEW084Z80
     K23W02C KC2023 11 22.00335506 42 49.282+26 16 33.92         18.4 GVEW084Z80
     K23W02C KC2023 11 22.04851606 43 49.01 +25 58 16.4          18.3 GVEW084204
     K23W02C KC2023 11 22.05151906 43 53.01 +25 57 00.3                VEW084204
     K23W02C KC2023 11 22.05448006 43 56.97 +25 55 45.5                VEW084204
     K23W02C 1C2023 11 22.09576206 44 55.791+25 39 11.79         18.1 GVEW084Z84
     K23W02C 1C2023 11 22.09700806 44 57.424+25 38 40.31         18.4 GVEW084Z84
     K23W02C 1C2023 11 22.09825706 44 59.043+25 38 08.85         18.3 GVEW084Z84
     K23W02C KC2023 11 22.11655206 45 18.886+25 29 30.23         18.0 GVEW084K38
     K23W02C KC2023 11 22.12319906 45 27.540+25 26 41.39         18.1 GVEW084K38
     K23W02C KC2023 11 22.13020906 45 36.804+25 23 42.11         18.3 GVEW084K38
     K23W02C KC2023 11 22.30509406 49 52.68 +24 11 08.9          19.0 GVEW084H21
     K23W02C KC2023 11 22.30667606 49 54.64 +24 10 29.9          19.0 GVEW084H21
     K23W02C KC2023 11 22.30825806 49 56.60 +24 09 50.9          19.0 GVEW084H21
     K23W02C KC2023 11 22.31142206 50 00.53 +24 08 32.8          18.9 GVEW084H21
     K23W02C KC2023 11 22.31300406 50 02.50 +24 07 53.8          19.0 GVEW084H21

Observer details:
203 GiaGa Observatory.  Observers S. Foglia, G. Galli.  Measurer G. Galli.
    0.36-m f/5.76 Schmidt-Cassegrain + CCD.
204 Schiaparelli Observatory.  Observers L. Buzzi, G. Galli.  0.84-m f/3.5
    reflector + CCD.
900 Moriyama.  Observer Y. Ikari.  0.26-m f/7.0 reflector + CCD.
G96 Mt. Lemmon Survey.  Observer J. B. Fazekas.  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.
K38 M57 Observatory, Saltrio.  Observer G. Baj.  0.35-m f/5.3 Ritchey-Chretien
    + CCD.
T05 ATLAS-HKO, Haleakala.  Observers L. Denneau, R. Siverd, J. Tonry, H.
    Weiland.  Measurers L. Denneau, N. Erasmus, A. Fitzsimmons, A. Lawrence,
    J. Robinson, R. Siverd, J. Tonry, H. Weiland.  0.5-m Reflector + CCD.
Z80 Northolt Branch Observatory.  Observer G. Wells.  Measurers G. Wells, D.
    Bamberger.  0.25-m f/8.0 Ritchey-Chretien + CCD.
Z84 Calar Alto-Schmidt.  Observers M. Micheli, F. Ocana, R. Kresken, L.
    Conversi.  Measurer M. Micheli.  0.8-m f/3 Schmidt + CCD.

Orbital elements:
2023 WC2                                                 Earth MOID = 0.0174 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 328.09496              (2000.0)            P               Q                  
n   0.43716968     Peri.  182.84859     +0.44808269     -0.88689943             
a   1.7193701      Node   240.55387     +0.82275193     +0.45828245             
e   0.4153281      Incl.    7.41536     +0.34971582     +0.05819443             
P   2.25           H   25.17          G   0.15           U   7                  
Residuals in seconds of arc
231102 G96  0.0   0.5-    231121 203  0.6+  0.0     231122 Z84  0.2-  0.2+
231102 G96  0.0   0.3+    231121 203  0.1-  0.3-    231122 K38  0.5+  0.0
231102 G96  0.0   0.2+    231121 203  0.2-  0.3-    231122 K38  0.3-  0.4+
231121 T05  1.3-  1.7+    231121 Z80  1.4-  0.2+    231122 K38  0.8+  0.3-
231121 T05  0.5-  0.0     231122 Z80  1.5-  0.1-    231122 H21  0.0   0.1+
231121 T05  0.2+  0.3-    231122 204  0.1-  0.0     231122 H21  0.0   0.1+
231121 T05  1.1+  0.7-    231122 204  0.2-  0.1-    231122 H21  0.1-  0.1+
231121 900  0.1+  0.0     231122 204  0.0   0.0     231122 H21  0.0   0.0
231121 900  0.1+  0.1-    231122 Z84  0.3-  0.1+    231122 H21  0.1+  0.1+
231121 900  0.2+  0.0     231122 Z84  0.1-  0.1+

Ephemeris:
2023 WC2                 a,e,i = 1.72, 0.42, 7                   q = 1.0053
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 10 23    22 31 13.6 +38 50 34   0.1113  1.0678   128.4    46.9    22.3
...
2023 11 07    23 09 02.1 +47 00 20   0.05534 1.0246   125.8    51.7    20.8
...
2023 11 15    01 37 17.9 +56 15 14   0.02942 1.0113   137.5    41.3    19.2
...
2023 11 21    06 14 52.5 +33 37 56   0.02237 1.0062   143.6    35.6    18.4
2023 11 22    06 42 32.2 +26 21 23   0.02338 1.0057   139.4    39.7    18.6
2023 11 23    07 04 20.1 +19 35 34   0.02497 1.0054   134.9    44.1    18.9
...
2023 11 29    08 10 23.6 -04 59 21   0.04140 1.0061   117.1    60.8    20.4
...
2023 12 07    08 38 35.0 -16 05 27   0.06908 1.0137   112.4    64.0    21.7
...
2023 12 22    08 49 59.0 -21 43 46   0.1221  1.0474   118.4    55.7    22.7

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-W84




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