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  • MPEC 2015-B21 : 2015 AY44

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    M.P.E.C. 2015-B21                                Issued 2015 Jan. 17, 14:40 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
    
                                       2015 AY44
    
    Observations:
         K15A44Y* C2015 01 14.27973 05 08 33.584-03 41 27.35         22.1 wLEB021F51
         K15A44Y  C2015 01 14.29208 05 08 34.149-03 41 08.40         22.0 wLEB021F51
         K15A44Y  C2015 01 14.30439 05 08 34.702-03 40 49.88         22.5 wLEB021F51
         K15A44Y KC2015 01 15.15220405 09 19.02 -03 19 07.2          21.1 RtEB021W86
         K15A44Y KC2015 01 15.16057005 09 19.43 -03 18 54.6          21.3 RtEB021W86
         K15A44Y KC2015 01 15.16887205 09 19.83 -03 18 41.9          21.2 RtEB021W86
         K15A44Y KC2015 01 16.33097 05 10 24.33 -02 49 08.6                oEB021291
         K15A44Y KC2015 01 16.33908 05 10 24.76 -02 48 55.9          21.7 RoEB021291
         K15A44Y KC2015 01 16.34722 05 10 25.23 -02 48 43.0                oEB021291
         K15A44Y KC2015 01 17.15671 05 11 13.60 -02 27 39.3                oEB021291
         K15A44Y KC2015 01 17.16387 05 11 13.95 -02 27 28.4                oEB021291
         K15A44Y KC2015 01 17.17102 05 11 14.38 -02 27 16.3                oEB021291
    
    Observer details:
    291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers B. Gibson, T. Goggia, N. Primak,
        A. Schultz, M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau,
        H. Flewelling, M. Huber, E. Magnier, E. Schunova, R. Wainscoat, C. Waters,
        R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    W86 Cerro Tololo-LCOGT B.  Observer T. Lister.  1.0-m f/8 Ritchey-Chretien
        + CCD.
    
    Orbital elements:
    2015 AY44
    Epoch 2014 Dec. 9.0 TT = JDT 2457000.5                  MPC
    M 351.86157              (2000.0)            P               Q
    n   0.21255037     Peri.  310.23138     -0.23013770     -0.96853802
    a   2.7807470      Node   152.63090     +0.94368148     -0.24588016
    e   0.5036450      Incl.   11.88951     +0.23770129     +0.03843246
    P   4.64           H   21.5           G   0.15           U   7
    Residuals in seconds of arc
    150114 F51  0.1-  0.2-    150115 W86  0.0   0.1-    150116 291  0.3+  0.2+
    150114 F51  0.1+  0.1+    150115 W86  0.0   0.2-    150117 291  0.1+  0.1-
    150114 F51  0.0   0.1+    150116 291  0.2-  0.1-    150117 291  0.4-  0.4-
    150115 W86  0.1-  0.1+    150116 291  0.2-  0.0     150117 291  0.3+  0.4+
    
    Ephemeris:
    2015 AY44                a,e,i = 2.78, 0.50, 12                  q = 1.3802
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2014 12 18    04 59 40.0 -11 24 00   0.4942  1.4131   143.8    24.3    21.9
    ...
    2015 01 02    05 01 13.6 -08 12 35   0.4857  1.3882   139.3    27.5    21.9
    ...
    2015 01 10    05 05 16.2 -05 24 59   0.4913  1.3818   136.5    29.3    21.9
    ...
    2015 01 16    05 10 06.2 -02 57 33   0.5003  1.3802   134.3    30.7    22.0
    2015 01 17    05 11 04.0 -02 31 36   0.5022  1.3803   133.9    30.9    22.0
    2015 01 18    05 12 04.5 -02 05 20   0.5043  1.3804   133.5    31.1    22.0
    ...
    2015 01 24    05 19 05.3 +00 37 22   0.5189  1.3826   131.2    32.4    22.1
    ...
    2015 02 01    05 30 57.1 +04 20 06   0.5452  1.3898   128.1    33.9    22.3
    ...
    2015 02 16    05 59 52.8 +10 54 22   0.6161  1.4163   122.3    36.1    22.7
    
    A. U. Tomatic                (C) Copyright 2015 MPC           M.P.E.C. 2015-B21
    

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