• Processing (Info)

    • MPEC 2012-A18 : 2011 YM63

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    M.P.E.C. 2012-A18                                Issued 2012 Jan. 3, 18:09 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  They are published
   on behalf of Commission 20 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@CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                   2011 YM63

Observations:
     K11Y63M* C2011 12 31.41796 08 33 30.49 +23 43 30.4          20.4 VoEA018691
     K11Y63M  C2011 12 31.43324 08 33 33.85 +23 43 16.7          20.4 VoEA018691
     K11Y63M  C2011 12 31.44852 08 33 37.24 +23 43 03.1          20.5 VoEA018691
     K11Y63M HC2011 12 31.50139 08 33 49.09 +23 42 13.9                oEA018291
     K11Y63M HC2011 12 31.50244 08 33 49.35 +23 42 12.8                oEA018291
     K11Y63M HC2011 12 31.50348 08 33 49.58 +23 42 11.7                oEA018291
     K11Y63M HC2011 12 31.52724 08 33 54.95 +23 41 49.8                oEA018291
     K11Y63M HC2011 12 31.52832 08 33 55.18 +23 41 48.5                oEA018291
     K11Y63M HC2011 12 31.52936 08 33 55.45 +23 41 47.9                oEA018291
     K11Y63M HC2012 01 01.24335 08 36 51.19 +23 31 01.4                oEA018291
     K11Y63M HC2012 01 01.24700 08 36 52.01 +23 30 58.6                oEA018291
     K11Y63M HC2012 01 01.48419 08 37 46.17 +23 27 19.9                oEA018291
     K11Y63M HC2012 01 01.48559 08 37 46.45 +23 27 18.6                oEA018291
     K11Y63M HC2012 01 01.48698 08 37 46.78 +23 27 17.2                oEA018291
     K11Y63M KC2012 01 02.02076 08 39 59.88 +23 18 38.4          19.8 VuEA018595
     K11Y63M KC2012 01 02.08711 08 40 15.36 +23 17 32.7          19.9 VuEA018595
     K11Y63M |C2012 01 02.20011 08 40 45.31 +23 16 32.9          20.6 VoEA018807
     K11Y63M |C2012 01 02.20608 08 40 46.71 +23 16 27.4          20.5 VoEA018807
     K11Y63M |C2012 01 02.21204 08 40 48.10 +23 16 21.8          20.3 VoEA018807
     K11Y63M HC2012 01 03.25675 08 45 12.44 +22 57 48.4                oEA018291
     K11Y63M HC2012 01 03.25804 08 45 12.74 +22 57 47.3                oEA018291
     K11Y63M HC2012 01 03.25932 08 45 13.06 +22 57 45.8                oEA018291
     K11Y63M IC2012 01 03.35918208 45 36.35 +22 55 58.9          19.4 RuEA018H36
     K11Y63M KC2012 01 03.37110908 45 39.18 +22 55 46.2          19.6 RuEA018H36
     K11Y63M IC2012 01 03.38302908 45 42.17 +22 55 33.0          19.6 RuEA018H36
     K11Y63M KC2012 01 03.38974408 45 43.70 +22 55 25.7          19.7 RuEA018H36

Observer details:
291 LPL/Spacewatch II.  Observers J. V. Scotti, T. H. Bressi.  1.8-m f/2.7
    reflector + CCD.
595 Farra d'Isonzo.  Observers L. Bittesini, M. Ceschia, F. Fabris,
    E. Pettarin, F. Piani, M. Vivona.  Measurers F. Fabris, E. Pettarin,
    F. Piani.  0.40-m f/4.5 reflector + CCD.
691 Steward Observatory, Kitt Peak.  Observer J. V. Scotti.  0.9-m f/3
    reflector + CCD.
807 Cerro Tololo.  Observers R. Holmes, T. Linder, V. Hoette.  Measurers
    R. Holmes, T. Linder.  0.41-m f/11 Ritchey-Chretien + CCD.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.

Orbital elements:
2011 YM63                                                Earth MOID = 0.0997 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M  10.19435              (2000.0)            P               Q
n   0.28203769     Peri.  181.58409     -0.78565759     -0.61845859
a   2.3028445      Node   320.19795     +0.56788276     -0.71077246
e   0.5282071      Incl.    1.41852     +0.24546142     -0.33512907
P   3.49           H   22.3           G   0.15           U   7
Residuals in seconds of arc
111231 691  0.1-  0.0     120101 291  0.3+  0.1-    120102 807  0.1+  0.2+
111231 691  0.4-  0.0     120101 291  0.1-  0.2+    120103 291  0.1+  0.1+
111231 691  0.4-  0.2+    120101 291  0.2+  0.2-    120103 291  0.1-  0.3+
111231 291  0.0   0.1-    120101 291  0.4-  0.1-    120103 291  0.0   0.1+
111231 291  0.3+  0.2-    120101 291  0.3-  0.1-    120103 H36  0.2-  0.4-
111231 291  0.2+  0.3-    120102 595  0.5+  0.1+    120103 H36  0.7-  0.3-
111231 291  0.1+  0.3+    120102 595  0.0   0.4-    120103 H36  1.0+  0.6-
111231 291  0.1-  0.0     120102 807  0.0   0.0     120103 H36  0.2-  0.6-
111231 291  0.4+  0.4+    120102 807  0.1+  0.1+

Ephemeris:
2011 YM63                a,e,i = 2.30, 0.53, 1                   q = 1.0865
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2011 12 04    07 12 49.4 +26 35 27   0.3865  1.3205   144.8    25.5    22.0
...
2011 12 19    07 51 14.7 +25 44 23   0.2768  1.2339   151.3    22.6    21.0
...
2011 12 27    08 16 59.2 +24 39 12   0.2299  1.1935   153.4    21.6    20.5
...
2012 01 02    08 39 54.2 +23 19 16   0.2001  1.1666   154.1    21.6    20.2
2012 01 03    08 44 04.8 +23 02 30   0.1956  1.1624   154.1    21.7    20.1
2012 01 04    08 48 21.9 +22 44 36   0.1912  1.1583   154.1    21.8    20.1
...
2012 01 10    09 16 25.1 +20 30 25   0.1679  1.1359   153.4    22.8    19.8
...
2012 01 18    09 59 43.2 +16 08 06   0.1447  1.1120   150.5    25.8    19.5
...
2012 02 02    11 28 06.5 +04 17 10   0.1276  1.0880   141.4    34.4    19.4

A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-A18

    Read MPEC 2012-A17 Read MPEC 2012-A19

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