• MPC Preparation (Info)

    • MPEC 2017-L10 : S/2011 J 2

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    M.P.E.C. 2017-L10                                Issued 2017 June 2, 16:52 UT

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

                                  S/2011 J 2

                           Revision to MPEC 2012-B97

Additional Observations:
    SK11J020  C2012 10 16.35461 04 48 49.68 +22 42 32.6          23.8 rcEL010304
    SK11J020  C2012 10 16.36311 04 48 49.55 +22 42 32.4                cEL010304
    SK11J020  C2012 10 16.37163 04 48 49.45 +22 42 32.4                cEL010304
    SK11J020  C2017 02 24.56584 13 34 31.04 -08 01 58.5          24.1 rcEL010568
    SK11J020  C2017 02 24.64549 13 34 30.05 -08 01 53.8          24.2 rcEL010568
    SK11J020  C2017 03 01.27849 13 33 28.55 -07 56 37.3                cEL010304
    SK11J020  C2017 03 01.29017 13 33 28.38 -07 56 36.3                cEL010304

Observer details:
304 Las Campanas Observatory.  Observers S. S. Sheppard, C. Trujillo.  6.5-m
    Magellan-Baade telescope + CCD.
568 Mauna Kea.  Observer S. S. Sheppard.  8.2-m Subaru Telescope + CCD.

Orbital elements:
S/2011 J 2
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 292.53240              (2000.0)            P               Q
n   0.49226116     Peri.  341.94408     -0.50574360     +0.70287368
a   0.1564259      Node   105.24730     +0.84156344     +0.27445582
e   0.3321405      Incl.  148.77225     +0.18972188     +0.65623364
P   2.00           H   16.7           P/d   731.32
From 19 observations 2011 Sept. 27-2017 Mar. 1, mean residual 0".46.

Residuals in seconds of arc
110927 304  0.5+  0.9-    111022 304  1.1-  0.4+    121016 304  0.3-  0.0
110927 304  0.6+  0.9-    111022 304 (1.7-  0.7+)   121016 304  0.1-  0.1+
110927 304  0.5+  1.0-    111126 304  0.3+  0.0     170224 568  0.2-  0.1-
110928 304  0.2+  1.3+    111126 304  0.1-  0.2-    170224 568  0.3-  0.2-
110928 304  0.2-  0.7+    111128 304  0.2-  0.1-    170301 304  0.0   0.1+
111020 304  0.1-  0.3+    111128 304  0.2+  0.3-    170301 304  0.2+  0.2+
111020 304  0.4-  0.4+    121016 304  0.0   0.0

Gareth V. Williams           (C) Copyright 2017 MPC           M.P.E.C. 2017-L10

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