• Processing (Info)

    • MPEC 2019-L16 : 2019 KF4

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.

    Read MPEC 2019-L15 Read MPEC 2019-L17 

    M.P.E.C. 2019-L16                                Issued 2019 June 2, 14:43 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

                                   2019 KF4

Observations:
     K19K04F  C2019 05 07.51222216 54 11.872-01 25 15.41         22.4 GVEL016F51
     K19K04F  C2019 05 07.52328716 54 11.952-01 24 52.33         22.8 GVEL016F51
     K19K04F  C2019 05 07.53429716 54 12.022-01 24 28.83         22.4 GVEL016F51
     K19K04F* C2019 05 30.50520 16 49 41.790+18 30 47.28         21.3 wUEL016F51
     K19K04F  C2019 05 30.50585 16 49 41.758+18 30 50.00         21.4 wUEL016F51
     K19K04F  C2019 05 30.51830 16 49 41.093+18 31 44.45         21.3 wUEL016F51
     K19K04F  C2019 05 30.51894 16 49 41.054+18 31 47.01         21.6 wUEL016F51
     K19K04F  C2019 05 30.53139 16 49 40.389+18 32 41.50         21.1 wUEL016F51
     K19K04F  C2019 05 30.53203 16 49 40.360+18 32 44.09         21.1 wUEL016F51
     K19K04F  C2019 05 31.28780 16 49 09.42 +19 28 22.6          21.2 GVEL016I52
     K19K04F  C2019 05 31.28947 16 49 09.34 +19 28 30.3          20.8 GVEL016I52
     K19K04F  C2019 05 31.29113 16 49 09.23 +19 28 37.2          21.5 GVEL016I52
     K19K04F KC2019 05 31.30824416 49 07.59 +19 29 50.0          21.0 VuEL016H21
     K19K04F KC2019 05 31.31464116 49 07.24 +19 30 18.7          21.2 VuEL016H21
     K19K04F  C2019 06 01.27455 16 48 24.57 +20 43 00.5          21.3 GVEL016I52
     K19K04F  C2019 06 01.27705 16 48 24.44 +20 43 12.3          21.6 GVEL016I52
     K19K04F  C2019 06 01.27955 16 48 24.29 +20 43 24.1          20.6 GVEL016I52
     K19K04F  C2019 06 01.28204 16 48 24.15 +20 43 35.1          21.5 GVEL016I52
     K19K04F KC2019 06 01.93028 16 47 53.05 +21 33 42.2          21.6 GVEL016587
     K19K04F KC2019 06 01.93335 16 47 52.87 +21 33 56.2          21.3 GVEL016587
     K19K04F KC2019 06 01.93738 16 47 52.60 +21 34 14.9          21.4 GVEL016587

Observer details:
587 Sormano.  Observers P. Sicoli, A. Testa.  Measurer P. Sicoli.  0.5-m
    f/6.8 reflector + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe,
    E. Magnier, A. Schultz, M. Willman.  Measurers S. Chastel, M. Huber,
    Y. Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, T. de Boer,
    L. Denneau, J. Fairlamb, H. Flewelling, C.-C. Lin, E. Magnier.  1.8-m
    Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.81-m f/4.0
    astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observers T. A. Pruyne,
    D. C. Fuls.  Measurers B. M. Africano, E. J. Christensen, G. A. Farneth,
    D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A. Kowalski,
    S. M. Larson, G. J. Leonard, T. A. Pruyne, D. Rankin, R. L. Seaman,
    F. C. Shelly.  1.0-m reflector + CCD.

Orbital elements:
2019 KF4                                                 Earth MOID = 0.0768 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M 312.50291              (2000.0)            P               Q
n   0.43982777     Peri.  146.04646     +0.93429460     +0.35406879
a   1.7124357      Node   193.40803     -0.35374983     +0.90629061
e   0.5284070      Incl.   10.32978     -0.04421157     +0.23080862
P   2.24           H   22.3           G   0.15           U   6
Residuals in seconds of arc
190507 F51  0.1-  0.1+    190530 F51  0.0   0.3+    190601 I52  0.6-  0.7-
190507 F51  0.0   0.2-    190530 F51  0.0   0.1+    190601 I52  0.4-  0.4-
190507 F51  0.0   0.1+    190531 I52  0.1-  0.2-    190601 I52  0.4-  0.2-
190530 F51  0.0   0.0     190531 I52  0.1+  0.0     190601 I52  0.3-  0.7-
190530 F51  0.1+  0.1-    190531 I52  0.2-  0.5-    190601 587  0.6+  0.9+
190530 F51  0.1+  0.1+    190531 H21  0.1-  0.3-    190601 587  0.6+  0.5+
190530 F51  0.0   0.1-    190531 H21  0.1-  0.1-    190601 587  0.2+  0.2+

Ephemeris:
2019 KF4                 a,e,i = 1.71, 0.53, 10                  q = 0.8076
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2019 05 03    16 52 48.8 -03 52 40   0.5177  1.4623   145.0    23.3    22.8
...
2019 05 18    16 54 44.1 +05 54 01   0.3729  1.3429   148.3    23.3    21.9
...
2019 05 26    16 52 19.5 +13 23 44   0.3112  1.2779   144.0    27.8    21.5
...
2019 06 01    16 48 37.0 +20 22 06   0.2725  1.2288   137.5    33.9    21.3
2019 06 02    16 47 49.1 +21 39 19   0.2667  1.2206   136.2    35.1    21.3
2019 06 03    16 46 57.9 +22 58 46   0.2611  1.2125   134.8    36.4    21.3
...
2019 06 09    16 40 32.7 +31 43 42   0.2314  1.1635   125.1    45.6    21.2
...
2019 06 17    16 27 04.6 +45 33 58   0.2026  1.0991   109.1    60.8    21.2
...
2019 07 02    14 46 43.1 +75 39 37   0.1842  0.9847    74.8    94.8    22.0

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-L16

    Read MPEC 2019-L15 Read MPEC 2019-L17

    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)