[Iaude] MPEC M88: 2013 QN48 [a=2.30,e=0.47,i=5.1,H=22.1]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Tue Jun 23 11:11:10 EDT 2020


M.P.E.C. 2020-M88                                 Issued 2020 June 23, 15:09 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                   2013 QN48                                    


                           Revision to MPEC 2013-R15                            

Additional Observations:
     K13Q48N  C2020 06 21.55978421 10 16.444-39 09 46.37         21.27wUEM088F51
     K13Q48N  C2020 06 21.57059321 10 18.685-39 09 42.85         20.93wUEM088F51
     K13Q48N  C2020 06 21.58139721 10 20.913-39 09 39.45         21.21wUEM088F51
     K13Q48N KC2020 06 22.12130 21 12 21.63 -39 06 38.5          21.0 GVEM088J04
     K13Q48N KC2020 06 22.12532 21 12 22.43 -39 06 37.1          20.7 GVEM088J04
     K13Q48N KC2020 06 22.12935 21 12 23.29 -39 06 35.9          20.7 GVEM088J04
     K13Q48N ^C2020 06 22.57245221 14 00.354-39 03 56.41         21.38GVEM088568
     K13Q48N ^C2020 06 22.57340821 14 00.566-39 03 56.00         21.31GVEM088568
     K13Q48N ^C2020 06 22.57436621 14 00.755-39 03 55.71         21.32GVEM088568
     K13Q48N ^C2020 06 22.57538221 14 00.961-39 03 55.32         21.28GVEM088568
     K13Q48N ^C2020 06 22.57632921 14 01.159-39 03 54.93         21.31GVEM088568
     K13Q48N ^C2020 06 22.57740621 14 01.369-39 03 54.57         21.30GVEM088568
     K13Q48N KC2020 06 22.58659821 14 04.42 -39 03 21.9          21.1 GVEM088474
     K13Q48N KC2020 06 22.59012021 14 05.14 -39 03 20.7          21.3 GVEM088474
     K13Q48N ^C2020 06 22.59114121 14 04.207-39 03 49.33         20.97GVEM088568
     K13Q48N ^C2020 06 22.59212221 14 04.404-39 03 48.93         21.24GVEM088568
     K13Q48N KC2020 06 22.59364321 14 05.88 -39 03 19.5          21.4 GVEM088474
     K13Q48N KC2020 06 22.59716521 14 06.66 -39 03 18.2          21.2 GVEM088474
     K13Q48N KC2020 06 23.58619221 17 43.92 -38 56 54.2          21.1 GVEM088474
     K13Q48N KC2020 06 23.58913221 17 44.52 -38 56 53.3          21.0 GVEM088474
     K13Q48N KC2020 06 23.59207221 17 45.15 -38 56 51.9          20.7 GVEM088474

Observer details:
474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore, P. M.
    Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
568 Mauna Kea.  Observers R. Wainscoat, H. Januszewski, S. Prunet.  Measurers
    R. Weryk, R. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, M.
    Willman.  Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
    Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
    R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
J04 ESA Optical Ground Station, Tenerife.  Observer D. Abreu.  Measurers A.
    Knofel, D. Koschny, M. Busch, M. Micheli, E. Schwab.  1.0-m f/4.4
    reflector + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
200621 F51   18-   13-    200623 474   18-   14-    MPO270165   -8.92 days

Orbital elements:
2013 QN48                                                Earth MOID = 0.2261 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
M 347.17506              (2000.0)            P               Q
n   0.28204177     Peri.  298.91528     +0.48278489     +0.87573897
a   2.3028223      Node   359.95197     -0.76932945     +0.42408187
e   0.4681742      Incl.    5.10211     -0.41839089     +0.23072889
P   3.49           H   22.1           G   0.15           U   2
Residuals in seconds of arc
130831 F51  0.1-  0.0     130913 807  0.3+  0.3-    200622 568  0.0   0.1-
130831 F51  0.1-  0.0     130913 807  0.1+  0.1-    200622 568  0.0   0.0
130831 F51  0.1+  0.1-    130915 291  0.1+  0.0     200622 568  0.0   0.0
130901 568  0.0   0.1+    130915 291  0.2-  0.2+    200622 568  0.1-  0.1-
130901 568  0.0   0.2+    130915 291  0.2-  0.3+    200622 474  0.0   0.1-
130901 568  0.0   0.1+    200621 F51  0.0   0.1+    200622 474  0.2-  0.1-
130903 807  0.1+  0.2-    200621 F51  0.1+  0.1+    200622 568  0.1+  0.0
130903 807  0.2+  0.2-    200621 F51  0.1-  0.1-    200622 568  0.1+  0.0
130903 807  0.3+  0.1+    200622 J04  0.1+  0.1-    200622 474  0.2-  0.1-
130906 474  0.3-  0.7+    200622 J04  0.3-  0.1+    200622 474  0.3+  0.0
130906 474  0.3-  0.0     200622 J04  0.1-  0.0     200623 474  0.0   0.1-
130906 474 (1.8-  0.2+)   200622 568  0.1-  0.0     200623 474  0.1-  0.3-
130913 807  0.2+  0.6-    200622 568  0.1+  0.0     200623 474  0.1+  0.0

Ephemeris:
2013 QN48                a,e,i = 2.30, 0.47, 5                   q = 1.2247
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 05 24    19 25 10.8 -37 55 19   0.4256  1.3419   133.5    33.2    22.3
...
2020 06 08    20 19 02.3 -39 24 21   0.3465  1.2868   135.9    33.3    21.7
...
2020 06 16    20 49 22.9 -39 29 10   0.3148  1.2637   136.8    33.4    21.5
...
2020 06 22    21 11 53.8 -39 06 54   0.2954  1.2497   137.3    33.5    21.3
2020 06 23    21 15 34.4 -39 00 51   0.2926  1.2477   137.4    33.4    21.3
2020 06 24    21 19 13.2 -38 54 06   0.2898  1.2457   137.5    33.4    21.3
...
2020 06 30    21 40 17.7 -37 59 05   0.2752  1.2357   138.3    33.2    21.1
...
2020 07 08    22 05 24.4 -36 08 31   0.2609  1.2273   139.7    32.4    21.0
...
2020 07 23    22 39 13.6 -31 11 26   0.2484  1.2273   144.8    28.5    20.8

A. U. Tomatic                (C) Copyright 2020 MPC           M.P.E.C. 2020-M88




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