• MPC Preparation (Info)

  • MPEC 2017-A59 : 2017 AH13

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    M.P.E.C. 2017-A59                                Issued 2017 Jan. 8, 21:31 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
    
                                       2017 AH13
    
    Observations:
         K17A13H* C2017 01 04.58260 12 35 09.374+11 03 52.34         21.0 wLEA059F51
         K17A13H  C2017 01 04.59377 12 35 06.485+11 03 42.52         21.4 wLEA059F51
         K17A13H  C2017 01 04.60492 12 35 03.597+11 03 32.57         21.2 wLEA059F51
         K17A13H  C2017 01 04.61604 12 35 00.715+11 03 22.71         21.1 wLEA059F51
         K17A13H  C2017 01 06.43520 12 27 14.55 +10 35 53.5          21.0 RoEA059926
         K17A13H  C2017 01 06.44187 12 27 12.72 +10 35 47.5          21.1 RoEA059926
         K17A13H  C2017 01 06.45115 12 27 10.22 +10 35 39.3          20.7 RoEA059926
         K17A13H KC2017 01 07.47153 12 22 39.30 +10 20 10.1          21.2 RoEA059291
         K17A13H KC2017 01 07.47312 12 22 38.87 +10 20 08.8          20.3 RoEA059291
         K17A13H KC2017 01 07.47468 12 22 38.42 +10 20 07.4          21.0 RoEA059291
         K17A13H HC2017 01 07.53776 12 22 20.88 +10 19 09.6          20.9 RoEA059691
         K17A13H HC2017 01 07.54365 12 22 19.27 +10 19 03.8                oEA059691
         K17A13H HC2017 01 07.54956 12 22 17.60 +10 18 59.2                oEA059691
         K17A13H KC2017 01 08.45801112 18 10.83 +10 05 05.1          21.0 VuEA059H21
         K17A13H KC2017 01 08.46176412 18 09.77 +10 05 02.0          21.5 VuEA059H21
         K17A13H KC2017 01 08.46843812 18 07.89 +10 04 55.8          21.0 VuEA059H21
    
    Observer details:
    291 LPL/Spacewatch II.  Observer M. T. Read.  1.8-m f/2.7 reflector + CCD.
    691 Steward Observatory, Kitt Peak.  Observer M. T. Read.  Measurer
        T. H. Bressi.  0.9-m f/3 reflector + CCD.
    926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
        M. Schwartz.  0.81-m f/7 Ritchey-Chretien + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers B. Gibson, T. Goggia, S. Kahale,
        T. Lowe, A. Schultz, M. Willman.  Measurers K. Chambers, S. Chastel,
        L. Denneau, H. Flewelling, M. Huber, E. Lilly, E. Magnier, R. Wainscoat,
        C. Waters, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  1.3-m f/4.0
        astrograph + CCD.
    
    Orbital elements:
    2017 AH13                                                Earth MOID = 0.1203 AU
    Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
    M  90.13096              (2000.0)            P               Q
    n   0.80966640     Peri.   49.27086     +0.96282505     -0.07087282
    a   1.1400712      Node   312.99507     -0.10228287     +0.79746337
    e   0.5307098      Incl.   20.87820     +0.25001227     +0.59919047
    P   1.22           H   21.1           G   0.15           U   9
    Residuals in seconds of arc
    170104 F51  0.4-  0.3+    170106 926  0.1+  0.5+    170107 691  0.3-  0.5+
    170104 F51  0.2-  0.4+    170107 291  0.2-  0.4+    170108 H21  0.0   0.2+
    170104 F51  0.0   0.3+    170107 291  0.0   0.5+    170108 H21  0.0   0.6+
    170104 F51  0.2+  0.3+    170107 291  0.3-  0.5+    170108 H21  0.2+  0.5+
    170106 926  0.5+  0.4+    170107 691  0.4-  0.1+
    170106 926  0.0   0.4+    170107 691  0.1+  0.3-
    
    Ephemeris:
    2017 AH13                a,e,i = 1.14, 0.53, 21                  q = 0.5350
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2016 12 09    14 07 32.5 +16 08 26   0.4004  0.8449    58.1    98.1    22.3
    ...
    2016 12 24    13 18 05.7 +13 48 01   0.3724  0.9926    80.5    77.8    21.7
    ...
    2017 01 01    12 49 31.0 +11 56 57   0.3542  1.0671    93.8    66.9    21.3
    ...
    2017 01 07    12 24 44.9 +10 27 30   0.3413  1.1204   104.8    58.0    21.1
    2017 01 08    12 20 16.2 +10 12 17   0.3394  1.1290   106.8    56.5    21.1
    2017 01 09    12 15 41.2 +09 57 01   0.3375  1.1376   108.7    54.9    21.0
    ...
    2017 01 15    11 45 57.7 +08 24 56   0.3293  1.1879   121.1    45.1    20.8
    ...
    2017 01 23    11 01 21.7 +06 26 09   0.3292  1.2512   138.9    31.1    20.5
    ...
    2017 02 07    09 38 30.8 +03 36 36   0.3790  1.3588   167.6     9.0    20.3
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-A59
    

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