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MPEC 2012-A04 : 2011 YS62

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M.P.E.C. 2012-A04                                Issued 2012 Jan. 3, 00:47 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 http://www.minorplanetcenter.net/    ISSN 1523-6714

                                   2011 YS62

Observations:
     K11Y62S* C2011 12 29.15398 00 35 26.26 +46 54 33.5          19.1 VrEA004703
     K11Y62S  C2011 12 29.15955 00 35 27.02 +46 54 57.7          19.2 VrEA004703
     K11Y62S  C2011 12 29.16517 00 35 28.21 +46 55 23.1          19.6 VrEA004703
     K11Y62S  C2011 12 29.17073 00 35 29.25 +46 55 48.9          19.0 VrEA004703
     K11Y62S  C2011 12 29.22786 00 35 40.89 +46 59 57.3          18.9 RoEA004G48
     K11Y62S  C2011 12 29.22958 00 35 41.23 +47 00 05.2          19.0 RoEA004G48
     K11Y62S mC2011 12 29.23116 00 35 41.65 +47 00 13.0                oEA004291
     K11Y62S  C2011 12 29.23135 00 35 41.61 +47 00 12.4          18.8 RoEA004G48
     K11Y62S mC2011 12 29.23247 00 35 41.90 +47 00 18.8                oEA004291
     K11Y62S mC2011 12 29.23374 00 35 42.19 +47 00 24.3                oEA004291
     K11Y62S KC2011 12 29.76666 00 37 38.33 +47 39 35.8          19.6 RtEA004204
     K11Y62S HC2011 12 29.77561 00 37 40.17 +47 40 14.3                tEA004204
     K11Y62S KC2011 12 29.97890 00 38 23.23 +47 54 43.4                uEA004J95
     K11Y62S KC2011 12 29.98235 00 38 24.08 +47 54 58.7          18.9 RuEA004J95
     K11Y62S  C2011 12 30.23377 00 39 18.72 +48 13 10.2          18.9 RcEA004854
     K11Y62S  C2011 12 30.24912 00 39 22.07 +48 14 14.2          19.2 RcEA004854
     K11Y62S KC2011 12 30.71450 00 41 07.60 +48 47 05.7          19.6 VuEA004595
     K11Y62S KC2011 12 30.74785 00 41 14.65 +48 49 24.8          19.1 VuEA004595
     K11Y62S KC2011 12 30.76022 00 41 17.23 +48 50 16.8                uEA004595
     K11Y62S KC2011 12 30.79102 00 41 23.83 +48 52 24.3          19.8 VwEA004B28
     K11Y62S KC2011 12 30.79680 00 41 25.05 +48 52 48.1          20.0 VwEA004B28
     K11Y62S KC2011 12 30.80258 00 41 26.27 +48 53 11.6          19.6 VwEA004B28
     K11Y62S HC2011 12 31.13855 00 42 42.04 +49 16 30.2                oEA004291
     K11Y62S HC2011 12 31.13943 00 42 42.25 +49 16 33.7                oEA004291
     K11Y62S KC2011 12 31.74511 00 45 01.84 +49 57 26.1          19.2 VwEA004B28
     K11Y62S KC2011 12 31.74927 00 45 02.75 +49 57 42.8          19.3 VwEA004B28
     K11Y62S KC2011 12 31.75343 00 45 03.66 +49 57 59.5          19.5 VwEA004B28
     K11Y62S HC2012 01 01.18632 00 46 43.37 +50 26 38.2                oEA004291
     K11Y62S HC2012 01 01.18751 00 46 43.60 +50 26 42.8                oEA004291
     K11Y62S HC2012 01 01.18857 00 46 43.88 +50 26 46.7                oEA004291
     K11Y62S KC2012 01 01.96389 00 49 48.29 +51 16 27.9                uEA004J95
     K11Y62S KC2012 01 01.97274 00 49 50.38 +51 17 00.3                uEA004J95
     K11Y62S KC2012 01 01.97801 00 49 51.65 +51 17 19.9          19.0 RuEA004J95
     K11Y62S KC2012 01 02.03303000 50 06.73 +51 21 04.5          19.0 RuEA004H36
     K11Y62S KC2012 01 02.04799100 50 10.02 +51 22 01.9          18.4 RuEA004H36
     K11Y62S KC2012 01 02.05276600 50 11.00 +51 22 19.8          19.4 RuEA004H36
     K11Y62S HC2012 01 02.16108 00 50 36.26 +51 29 08.0                oEA004291
     K11Y62S HC2012 01 02.16369 00 50 36.82 +51 29 17.9                oEA004291
     K11Y62S KC2012 01 02.79834 00 53 13.27 +52 08 27.2                uEA004J95
     K11Y62S KC2012 01 02.81168 00 53 16.38 +52 09 15.1          19.8 RuEA004J95

Observer details:
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.38-m f/6.8 reflector
    + CCD.
291 LPL/Spacewatch II.  Observers R. S. McMillan, J. V. Scotti, T. H. Bressi.
    1.8-m f/2.7 reflector + CCD.
595 Farra d'Isonzo.  Observer E. Pettarin.  0.40-m f/4.5 reflector + CCD.
703 Catalina Sky Survey.  Observer A. Boattini.  Measurers J. D. Ahern,
    E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, P. Tricarico,
    A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught.
    0.68-m Schmidt + CCD.
854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
    Schmidt-Cassegrain + CCD.
B28 Mandi Observatory, Pagnacco.  Observer P. Corelli.  0.45-m f/4.5 reflector
    + CCD.
G48 Doc Greiner Research Obs., Rancho Hildalgo.  Observer M. Mills.  0.40-m
    f/10 Schmidt-Cassegrain + CCD.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2011 YS62                                                Earth MOID = 0.0684 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M  27.25678              (2000.0)            P               Q
n   0.26076245     Peri.  356.75345     +0.56120876     -0.76700940
a   2.4264575      Node    58.87745     +0.76732638     +0.34129108
e   0.5651329      Incl.   21.30477     +0.31024982     +0.54333873
P   3.78           H   19.7           G   0.15           U   8
Residuals in seconds of arc
111229 703 (2.6+  0.6-)   111230 854  0.3-  0.6+    120101 291  0.3-  0.0
111229 703  1.0-  0.9-    111230 854  0.4+  0.6+    120101 291  0.1+  0.1-
111229 703  0.4-  0.3-    111230 595  0.0   0.3-    120101 J95  0.1+  0.2+
111229 703  1.2-  1.0+    111230 595  0.1-  0.4-    120101 J95  0.1-  0.3-
111229 G48  0.2-  0.5-    111230 595  0.5-  0.1+    120101 J95  0.1+  0.3-
111229 G48  0.4-  0.1-    111230 B28  0.1-  0.1+    120102 H36 (2.3+  0.5-)
111229 291  0.0   0.1+    111230 B28  0.3-  0.0     120102 H36  1.2+  0.4+
111229 G48  0.2-  0.6-    111230 B28  0.4-  0.4-    120102 H36  0.2+  0.4+
111229 291  0.2-  0.1+    111231 291  0.1-  0.1+    120102 291  0.1+  0.2-
111229 291  0.1+  0.1+    111231 291  0.1+  0.0     120102 291  0.3-  0.0
111229 204  0.1-  0.1+    111231 B28  0.2+  0.3-    120102 J95  0.1+  0.5+
111229 204  0.0   0.2-    111231 B28  0.1+  0.2-    120102 J95  0.3-  0.1-
111229 J95  0.0   0.3-    111231 B28  0.1+  0.0
111229 J95  1.0+  0.4+    120101 291  0.0   0.0

Ephemeris:
2011 YS62                a,e,i = 2.43, 0.57, 21                  q = 1.0552
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2011 12 04    23 35 53.7 -01 09 17   0.2199  1.0561   102.7    65.6    18.8
...
2011 12 19    00 05 06.5 +31 22 54   0.2510  1.0804   106.0    61.1    19.0
...
2011 12 27    00 28 05.9 +44 06 27   0.2917  1.1060   107.3    58.1    19.3
...
2012 01 02    00 49 58.5 +51 18 51   0.3292  1.1303   108.2    55.7    19.6
2012 01 03    00 54 03.6 +52 20 38   0.3359  1.1347   108.3    55.3    19.6
2012 01 04    00 58 16.5 +53 19 43   0.3427  1.1392   108.5    54.9    19.7
...
2012 01 10    01 26 26.7 +58 21 27   0.3855  1.1685   109.2    52.6    19.9
...
2012 01 18    02 11 43.9 +63 00 19   0.4472  1.2124   110.1    49.6    20.2
...
2012 02 02    03 53 11.9 +66 33 56   0.5749  1.3067   111.0    44.8    20.8

A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-A04

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