• MPC Preparation (Info)

  • MPEC 2017-J04 : 2017 HA49

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    M.P.E.C. 2017-J04                                Issued 2017 May 2, 03:13 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 HA49
    
    Observations:
         K17H49A* C2017 04 26.54176 16 30 25.836-04 11 19.30         21.5 wLEJ004F51
         K17H49A  C2017 04 26.55279 16 30 26.113-04 11 06.49         21.5 wLEJ004F51
         K17H49A  C2017 04 26.57477 16 30 26.650-04 10 40.52         21.7 wLEJ004F51
         K17H49A |C2017 04 27.30117 16 30 50.06 -03 56 17.9          21.7 VuEJ004807
         K17H49A |C2017 04 27.30690 16 30 50.20 -03 56 11.1          21.8 VuEJ004807
         K17H49A |C2017 04 27.31270 16 30 50.35 -03 56 04.3          21.7 VuEJ004807
         K17H49A  C2017 04 28.62255416 31 26.763-03 31 33.45         21.5 GUEJ004T12
         K17H49A  C2017 04 28.62333716 31 26.775-03 31 32.55         21.2 GUEJ004T12
         K17H49A  C2017 04 28.62412416 31 26.795-03 31 31.71         21.5 GUEJ004T12
         K17H49A  C2017 04 30.32230 16 32 07.97 -03 00 26.4          20.9 RoEJ004926
         K17H49A  C2017 04 30.33662 16 32 08.16 -03 00 11.3          21.0 RoEJ004926
         K17H49A  C2017 04 30.35090 16 32 08.39 -02 59 56.2          21.1 RoEJ004926
         K17H49A KC2017 04 30.36560 16 32 08.54 -02 59 40.3                oEJ004291
         K17H49A KC2017 04 30.37022 16 32 08.59 -02 59 35.0                oEJ004291
         K17H49A KC2017 04 30.37483 16 32 08.66 -02 59 30.2          21.7 RoEJ004291
         K17H49A  C2017 04 30.44539 16 32 09.55 -02 58 14.7          21.2 VqEJ004I52
         K17H49A  C2017 04 30.44958 16 32 09.58 -02 58 10.5          22.7 VqEJ004I52
         K17H49A  C2017 04 30.45549 16 32 09.63 -02 58 04.0          22.4 VqEJ004I52
         K17H49A  C2017 04 30.46126 16 32 09.70 -02 57 57.7          21.5 VqEJ004I52
         K17H49A  C2017 05 01.34696 16 32 27.38 -02 42 17.0                qEJ004I52
         K17H49A  C2017 05 01.35264 16 32 27.41 -02 42 10.0                qEJ004I52
         K17H49A  C2017 05 01.35831 16 32 27.47 -02 42 04.2          21.0 VqEJ004I52
         K17H49A  C2017 05 01.36749 16 32 27.53 -02 41 54.5                qEJ004I52
    
    Observer details:
    291 LPL/Spacewatch II.  Observer A. F. Tubbiolo.  1.8-m f/2.7 reflector + CCD.
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
        + 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.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer R. A. Kowalski.
        Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
        J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny,
        R. L. Seaman, F. C. Shelly.  1.0-m reflector + CCD.
    T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observer Y. Ramanjooloo.
        Measurers D. J. Tholen, Y. Ramanjooloo.  2.24-m University of Hawaii
        reflector.
    
    Orbital elements:
    2017 HA49                                                Earth MOID = 0.2887 AU
    Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
    M 350.99645              (2000.0)            P               Q
    n   0.26669697     Peri.    5.93871     -0.96091218     +0.27554566
    a   2.3903270      Node   190.17775     -0.25985723     -0.93115208
    e   0.4607836      Incl.    8.74883     -0.09550921     -0.23881035
    P   3.70           H   21.8           G   0.15           U   7
    Residuals in seconds of arc
    170426 F51  0.1-  0.0     170428 T12  0.0   0.0     170430 I52  0.2+  0.4-
    170426 F51  0.1+  0.1-    170430 926  0.1+  0.4+    170430 I52  0.2-  0.3-
    170426 F51  0.1+  0.1+    170430 926  0.2+  0.1+    170430 I52  0.3-  0.2-
    170427 807  0.1-  0.1-    170430 926  0.9+  0.2-    170501 I52  0.2+  0.8-
    170427 807  0.1+  0.1+    170430 291  0.1+  0.1+    170501 I52  0.2-  0.2+
    170427 807  0.4+  0.2+    170430 291  0.0   0.4+    170501 I52  0.1-  0.0
    170428 T12  0.0   0.0     170430 291  0.2+  0.2+    170501 I52  0.5-  0.1+
    170428 T12  0.1-  0.0     170430 I52  0.6+  0.1-
    
    Ephemeris:
    2017 HA49                a,e,i = 2.39, 0.46, 9                   q = 1.2889
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 04 02    15 57 48.1 -12 49 10   0.3920  1.2941   131.8    35.2    21.8
    ...
    2017 04 17    16 22 21.2 -07 29 25   0.3794  1.3166   139.8    29.5    21.6
    ...
    2017 04 25    16 29 30.6 -04 41 38   0.3818  1.3355   144.6    25.9    21.5
    ...
    2017 05 01    16 32 20.7 -02 48 10   0.3880  1.3526   148.1    23.2    21.5
    2017 05 02    16 32 37.9 -02 30 44   0.3895  1.3556   148.7    22.7    21.5
    2017 05 03    16 32 52.1 -02 13 46   0.3910  1.3588   149.2    22.3    21.5
    ...
    2017 05 09    16 33 22.3 -00 43 00   0.4026  1.3788   152.4    19.8    21.5
    ...
    2017 05 17    16 32 07.2 +00 45 21   0.4245  1.4087   155.6    17.3    21.6
    ...
    2017 06 01    16 27 14.2 +01 43 49   0.4874  1.4731   156.2    16.1    22.0
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-J04
    

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