• Processing (Info)

    • MPEC 2012-Y16 : 2012 YR1

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    M.P.E.C. 2012-Y16                                Issued 2012 Dec. 21, 15:44 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

                                   2012 YR1

Observations:
     K12Y01R* C2012 12 20.20945 03 09 23.84 +38 16 54.9          18.9  cEY016704
     K12Y01R  C2012 12 20.22267 03 10 26.09 +38 22 19.9          20.2  cEY016704
     K12Y01R  C2012 12 20.23588 03 11 28.61 +38 27 41.0          19.2  cEY016704
     K12Y01R  C2012 12 20.24899 03 12 30.70 +38 32 55.4          19.5  cEY016704
     K12Y01R KC2012 12 21.27026 04 34 22.56 +43 02 49.1          18.6 RqEY016H36
     K12Y01R KC2012 12 21.27646 04 34 48.91 +43 03 33.7          19.3 RqEY016H36
     K12Y01R KC2012 12 21.28274 04 35 15.79 +43 04 19.2          18.1 RqEY016H36
     K12Y01R  C2012 12 21.29609 04 36 18.27 +43 06 56.1          18.4 RoEY016H01
     K12Y01R  C2012 12 21.30362 04 36 50.14 +43 07 48.8          18.7 RoEY016H01
     K12Y01R  C2012 12 21.31040 04 37 18.79 +43 08 35.1          18.9 RoEY016H01
     K12Y01R  C2012 12 21.31831 04 37 52.17 +43 09 27.7          18.6 RoEY016H01

Observer details:
704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, G. Spitz,
    R. Brungard, J. Paige, P. Festler, T. McVey, A. Valdivia, C. Gall.  1.0-m
    f/2.15 reflector + CCD.
H01 Magdalena Ridge Observatory, Socorro.  Observer W. H. Ryan.  2.4-m f/8.9
    reflector + CCD.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.

Orbital elements:
2012 YR1                                                 Earth MOID = 0.0010 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M 339.24101              (2000.0)            P               Q
n   0.33771941     Peri.  341.91902     +0.45013623     -0.89188699
a   2.0422020      Node    81.30926     +0.82464287     +0.39639915
e   0.5278904      Incl.    2.53724     +0.34255147     +0.21772760
P   2.92           H   26.6           G   0.15           U   8
Residuals in seconds of arc
121220 704  0.7+  0.9+    121221 H36  0.7+  0.5+    121221 H01  0.0   0.1-
121220 704  1.0-  0.3-    121221 H36  0.6-  0.2-    121221 H01  0.1+  0.0
121220 704  0.0   0.4-    121221 H36  0.3+  0.2+    121221 H01  0.1-  0.2-
121220 704  0.3+  0.2-    121221 H01  0.3-  0.2-

Ephemeris:
2012 YR1                 a,e,i = 2.04, 0.53, 3                   q = 0.9641
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2012 11 21    21 33 53.8 -24 09 24   0.1355  0.9716    79.2    92.9    25.5
...
2012 12 06    22 02 45.6 -19 24 58   0.06687 0.9667    72.0   104.2    24.5
...
2012 12 14    22 54 58.1 -08 08 28   0.03048 0.9794    79.7    98.6    22.5
...
2012 12 20    02 52 15.9 +36 42 06   0.01527 0.9954   139.2    40.2    19.1
2012 12 21    04 13 52.6 +42 17 53   0.01689 0.9986   151.5    28.1    19.0
2012 12 22    05 24 06.1 +43 49 45   0.01964 1.0019   158.2    21.4    19.1
...
2012 12 28    08 00 03.9 +36 55 57   0.04507 1.0247   156.0    23.0    21.0
...
2013 01 05    08 36 07.4 +32 27 29   0.08461 1.0619   157.3    20.9    22.4
...
2013 01 20    08 46 33.7 +29 25 31   0.1676  1.1482   167.3    10.8    23.7

A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-Y16

    Read MPEC 2012-Y15 Read MPEC 2012-Y17

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