• MPC Preparation (Info)

  • MPEC 2017-J16 : 2017 HK49

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    M.P.E.C. 2017-J16                                Issued 2017 May 2, 03:53 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 HK49
    
    Observations:
         K17H49K* C2017 04 27.47286 15 27 32.625-09 47 08.74         21.8 wLEJ016F51
         K17H49K  C2017 04 27.48736 15 27 33.523-09 47 05.06         21.5 wLEJ016F51
         K17H49K  C2017 04 27.50190 15 27 34.429-09 47 00.95         21.7 wLEJ016F51
         K17H49K  C2017 04 27.51639 15 27 35.326-09 46 56.80         21.9 wLEJ016F51
         K17H49K |C2017 04 28.36315 15 28 37.84 -09 42 42.4          21.7 VuEJ016807
         K17H49K |C2017 04 28.36696 15 28 38.08 -09 42 40.8          21.7 VuEJ016807
         K17H49K |C2017 04 28.37091 15 28 38.29 -09 42 39.9          21.7 VuEJ016807
         K17H49K _C2017 04 28.40664115 28 43.214-09 42 58.86         21.5 GUEJ016568
         K17H49K _C2017 04 28.40762715 28 43.275-09 42 58.61         21.4 GUEJ016568
         K17H49K _C2017 04 28.40861715 28 43.337-09 42 58.36         21.4 GUEJ016568
         K17H49K KC2017 04 30.30542 15 31 03.46 -09 34 47.0          21.9 RoEJ016291
         K17H49K KC2017 04 30.31127 15 31 03.86 -09 34 45.2          21.6 RoEJ016291
         K17H49K KC2017 04 30.31713 15 31 04.21 -09 34 44.1          21.4 RoEJ016291
         K17H49K  C2017 05 01.31469 15 32 17.40 -09 30 29.5          21.9 RoEJ016926
         K17H49K KC2017 05 01.32418 15 32 18.00 -09 30 27.2                oEJ016291
         K17H49K KC2017 05 01.32953 15 32 18.33 -09 30 25.6          21.4 RoEJ016291
         K17H49K KC2017 05 01.33487 15 32 18.64 -09 30 24.4          21.6 RoEJ016291
         K17H49K  C2017 05 01.34318 15 32 19.08 -09 30 22.6          20.9 RoEJ016926
         K17H49K  C2017 05 01.42445 15 32 24.11 -09 30 02.0          21.4 VqEJ016I52
         K17H49K  C2017 05 01.43024 15 32 24.49 -09 30 00.0          21.4 VqEJ016I52
         K17H49K  C2017 05 01.44504 15 32 25.43 -09 29 55.8          22.2 VqEJ016I52
    
    Observer details:
    291 LPL/Spacewatch II.  Observer A. F. Tubbiolo.  1.8-m f/2.7 reflector + CCD.
    568 Mauna Kea.  Observers R. J. Wainscoat, C. Wipper.  Measurers M. Micheli,
        R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + 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.
    
    Orbital elements:
    2017 HK49                                                Earth MOID = 0.2338 AU
    Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
    M 326.32663              (2000.0)            P               Q
    n   0.34097941     Peri.   84.35406     -0.44359976     +0.89612580
    a   2.0291646      Node   159.29615     -0.83647920     -0.40864044
    e   0.3875525      Incl.    2.16155     -0.32174804     -0.17312293
    P   2.89           H   23.2           G   0.15           U   7
    Residuals in seconds of arc
    170427 F51  0.1+  0.0     170428 568  0.1-  0.2-    170501 291  0.2+  0.0
    170427 F51  0.0   0.2-    170428 568  0.2-  0.2-    170501 291  0.2+  0.2+
    170427 F51  0.0   0.0     170428 568  0.2-  0.2-    170501 291  0.0   0.1+
    170427 F51  0.1-  0.2+    170430 291  0.3-  0.1-    170501 926  0.7-  0.4-
    170428 807  0.6+  0.1-    170430 291  0.2+  0.3+    170501 I52  0.3-  0.4-
    170428 807  0.4+  0.4+    170430 291  0.0   0.1-    170501 I52  0.0   0.0
    170428 807  0.4-  0.1+    170501 926  0.2+  0.2-    170501 I52  0.1+  0.3+
    
    Ephemeris:
    2017 HK49                a,e,i = 2.03, 0.39, 2                   q = 1.2428
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 04 02    14 52 09.9 -11 15 54   0.3861  1.3423   147.9    23.3    22.9
    ...
    2017 04 17    15 13 50.8 -10 32 33   0.3117  1.2963   156.9    17.7    22.2
    ...
    2017 04 25    15 24 25.1 -09 58 00   0.2825  1.2770   161.5    14.5    21.8
    ...
    2017 05 01    15 31 53.9 -09 31 28   0.2652  1.2651   164.5    12.3    21.6
    2017 05 02    15 33 07.0 -09 27 16   0.2627  1.2634   165.0    11.9    21.5
    2017 05 03    15 34 19.7 -09 23 12   0.2603  1.2617   165.4    11.6    21.5
    ...
    2017 05 09    15 41 29.0 -09 02 04   0.2483  1.2531   167.6     9.9    21.3
    ...
    2017 05 17    15 50 48.6 -08 46 58   0.2380  1.2456   168.8     9.0    21.2
    ...
    2017 06 01    16 08 22.8 -09 18 16   0.2361  1.2442   165.7    11.6    21.2
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-J16
    

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