[Iaude] MPEC H79: 2013 YY13 [a=2.46,e=0.71,i=10.4,H=19.1]

mpec at si.edu mpec at si.edu
Sat Apr 29 21:01:21 EDT 2017


M.P.E.C. 2017-H79                                Issued 2017 Apr. 30, 00:57 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 http://www.minorplanetcenter.net/    ISSN 1523-6714


                                   2013 YY13
 
                           Revision to MPEC 2013-Y46
 
Additional Observations:
     K13Y13Y KC2017 04 26.00995215 45 00.085-17 54 27.07         21.1 GUEH079J04
     K13Y13Y KC2017 04 26.01986515 44 59.461-17 54 22.12         20.9 GUEH079J04
     K13Y13Y KC2017 04 26.03206115 44 58.651-17 54 14.90         21.4 GUEH079J04
     K13Y13Y KC2017 04 28.05671215 42 50.704-17 34 28.13         21.3 GUEH079Y28
     K13Y13Y KC2017 04 28.06474215 42 50.154-17 34 23.05         21.4 GUEH079Y28
     K13Y13Y KC2017 04 28.08282115 42 48.901-17 34 12.37         21.4 GUEH079Y28
 
Observer details:
J04 ESA Optical Ground Station, Tenerife.  Observer D. Abreu.  Measurers
    E. Schwab, M. Micheli, D. Koschny, A. Knoefel, M. Busch.  1.0-m f/4.4
    reflector + CCD.
Y28 OASI, Nova Itacuruba.  Observers F. Monteiro, H. Medeiros, P. Arcoverde,
    D. Lazzaro, R. Souza, T. Rodrigues.  Measurer M. Micheli.  1.0-m f/7
    reflector + CCD.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
170426 J04 0.18- 0.01+    170428 Y28 0.19- 0.01+    MPO288540   +0.34 day
 
Orbital elements:
2013 YY13                                                Earth MOID = 0.0618 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
M 304.75636              (2000.0)            P               Q
n   0.25540067     Peri.  131.05330     +0.98435737     +0.12836068
a   2.4602998      Node   221.98809     -0.15683091     +0.95050374
e   0.7099101      Incl.   10.39294     +0.08027852     +0.28295968
P   3.86           H   19.1           G   0.15           U   1
Residuals in seconds of arc
131223 F51  0.1+  0.1+    131226 291  0.3-  0.1-    131230 807  0.0   0.3-
131223 F51  0.0   0.2+    131226 291  0.2+  0.4+    131230 807  0.0   0.1-
131224 711  0.3-  0.3-    131226 291  0.5-  0.1+    131231 474  1.0-  0.3+
131224 711  0.7-  0.3-    131227 H21  0.0   0.0     131231 474  0.9-  0.4+
131224 711  0.0   0.1-    131227 H21  0.1+  0.6-    131231 474  0.0   0.2+
131224 291  0.1-  0.2+    131227 H21  0.1+  0.6-    131231 474  0.2-  0.4-
131224 291  0.1-  0.1+    131227 807  0.1+  0.1-    140103 291  0.0   0.1-
131224 291  0.2-  0.0     131227 807  0.0   0.3-    140103 291  0.1-  0.0
131225 448  0.1+  0.4-    131227 807  0.2-  0.1+    140103 291  0.0   0.1+
131225 807  0.1+  0.3-    131227 H01  0.1-  0.0     140103 568  0.2+  0.0
131225 807  0.1+  0.2-    131227 448  0.1-  0.1+    140103 568  0.2+  0.0
131225 807  0.4+  0.3-    131227 H01  0.1+  0.1+    140111 291  0.1+  0.2+
131225 807  0.4+  0.3-    131227 H01  0.1-  0.1+    140111 291  0.3-  0.3+
131225 807  0.2+  0.4-    131227 H01  0.1-  0.1-    140111 291  0.1+  0.6+
131225 711  0.8-  0.1-    131227 448  0.2+  0.5-    140111 568  0.0   0.0
131225 711  0.3-  0.8-    131227 H36  0.7+  0.3-    140111 568  0.1-  0.1+
131225 711  0.5-  0.6-    131227 448  0.3+  0.1+    140111 568  0.0   0.0
131225 448  0.0   0.3-    131227 H36  0.5+  0.7-    140111 568  0.0   0.1-
131225 568  0.0   0.0     131227 673  1.2+  0.6+    140111 568  0.1-  0.0
131225 568  0.0   0.0     131227 H36  0.0   0.6-    140120 807  0.7+  0.0
131225 568  0.1+  0.1+    131227 673  0.1+  0.1+    140120 807  0.7+  0.0
131226 H36  0.2+  0.4-    131227 673  0.5+  0.0     140120 807  0.3+  0.3+
131226 H36  0.2+  0.1-    131228 807  0.3+  0.2-    140121 291  0.1-  0.1+
131226 807  0.2+  0.6-    131228 807  0.2+  0.2-    140121 291  0.1-  0.0
131226 807  0.1-  0.1-    131228 807  0.2+  0.3-    140121 291  0.1-  0.1-
131226 807  0.0   0.1-    131228 926  0.1+  0.1-    140130 H21  0.3-  0.1-
131226 H36  0.1-  0.2-    131228 926  0.0   0.4-    140130 H21  0.2+  0.5-
131226 H36  0.7-  0.3-    131228 291  0.1-  0.0     140130 H21  0.1-  0.6-
131226 448  0.6+  0.2+    131228 291  0.2-  0.0     140205 568  0.1+  0.0
131226 448  0.1-  0.9-    131228 291  0.3-  0.2-    140205 568  0.1-  0.1-
131226 448  0.3+  0.8-    131228 926  0.1+  0.8-    140205 568  0.0   0.0
131226 926  0.3-  0.0     131229 807  0.5-  0.3-    170426 J04  0.3+  0.6+
131226 926  0.3-  0.0     131229 807  0.6-  0.2-    170426 J04  0.3+  0.0
131226 854  0.1-  0.1+    131229 807  0.5-  0.1-    170426 J04  0.3-  0.4+
131226 926  0.4-  0.3-    131230 807  0.1+  0.1-    170428 Y28  0.1-  0.1-
131226 854  0.8-  0.3+    131230 807  0.0   0.0     170428 Y28  0.0   0.2+
131226 854  0.4-  0.9+    131230 807  0.0   0.1+    170428 Y28  0.1-  0.2+

Ephemeris:
2013 YY13                a,e,i = 2.46, 0.71, 10                  q = 0.7137
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 03 31    15 56 59.6 -20 32 10   1.5390  2.3011   128.8    19.8    22.8
...
2017 04 15    15 53 24.6 -19 20 56   1.2766  2.1737   144.6    15.5    22.2
...
2017 04 23    15 47 49.7 -18 21 24   1.1532  2.1033   153.9    12.1    21.8
...
2017 04 29    15 41 47.0 -17 24 51   1.0698  2.0493   161.3     9.1    21.4
2017 04 30    15 40 37.2 -17 14 22   1.0567  2.0402   162.6     8.5    21.4
2017 05 01    15 39 24.7 -17 03 34   1.0439  2.0311   163.8     7.9    21.3
...
2017 05 07    15 31 16.3 -15 52 08   0.9722  1.9757   171.4     4.4    20.9
...
2017 05 15    15 18 15.0 -13 59 26   0.8914  1.9002   174.8     2.8    20.5
...
2017 05 30    14 49 37.7 -09 46 01   0.7865  1.7537   153.7    14.8    20.6

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-H79




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