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    • MPEC 2019-H78 : 2019 FY4

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    M.P.E.C. 2019-H78                                Issued 2019 Apr. 29, 16:01 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 FY4

Observations:
     K19F04Y* C2019 03 29.27550 12 24 10.19 +02 52 03.2          21.1 GVEH078G96
     K19F04Y  C2019 03 29.28109 12 24 10.05 +02 52 07.5          21.6 GVEH078G96
     K19F04Y  C2019 03 29.28669 12 24 10.00 +02 52 10.2          21.6 GVEH078G96
     K19F04Y  C2019 03 29.29227 12 24 09.96 +02 52 13.7          21.5 GVEH078G96
     K19F04Y  C2019 04 24.30258 12 25 49.792+06 40 37.12         22.1 wUEH078F51
     K19F04Y  C2019 04 24.31432 12 25 50.012+06 40 40.46         21.9 wUEH078F51
     K19F04Y  C2019 04 24.32605 12 25 50.228+06 40 43.94         21.9 wUEH078F51
     K19F04Y  C2019 04 24.33779 12 25 50.436+06 40 47.27         21.8 wUEH078F51
     K19F04Y ^C2019 04 25.31173 12 26 15.39 +06 45 09.7          21.3 RoEH078695
     K19F04Y ^C2019 04 25.31830 12 26 15.54 +06 45 11.3          21.2 RoEH078695
     K19F04Y ^C2019 04 25.32488 12 26 15.68 +06 45 13.0          21.4 RoEH078695
     K19F04Y |C2019 04 27.11371 12 27 08.93 +06 52 32.9          22.3 GUEH078807
     K19F04Y |C2019 04 27.12012 12 27 09.11 +06 52 34.3          22.1 GUEH078807
     K19F04Y |C2019 04 27.12618 12 27 09.25 +06 52 35.8          22.2 GUEH078807
     K19F04Y KC2019 04 28.33885 12 27 48.63 +06 56 13.3                oEH078291
     K19F04Y KC2019 04 28.36931 12 27 49.62 +06 56 18.2                oEH078291

Observer details:
291 LPL/Spacewatch II.  Observer R. A. Mastaler.  1.8-m f/2.7 reflector + CCD.
695 Kitt Peak.  Observer R. A. Mastaler.  2.3-m f/9 reflector + CCD.
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
    1.00-m f/10.0 astrograph + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
    M. Willman.  Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau,
    J. Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier,
    Y. Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observer B. M. Africano.  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,
    R. L. Seaman, F. C. Shelly.  1.5-m reflector + 10K CCD.

Orbital elements:
2019 FY4
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M 354.66189              (2000.0)            P               Q
n   0.17076750     Peri.   64.44315     -0.66189114     +0.74927385
a   3.2176038      Node   164.05113     -0.71338639     -0.62058415
e   0.5639904      Incl.    4.61506     -0.23017379     -0.23122284
P   5.77           H   21.6           G   0.15           U   5
Residuals in seconds of arc
190329 G96  0.5+  0.0     190424 F51  0.0   0.0     190427 807  0.4+  0.1-
190329 G96  0.5-  0.7+    190424 F51  0.1-  0.0     190427 807  0.2+  0.1+
190329 G96  0.2-  0.3-    190425 695  0.2+  0.2+    190428 291  0.7-  0.1+
190329 G96  0.3+  0.4-    190425 695  0.3+  0.2+    190428 291  0.4+  0.2-
190424 F51  0.1-  0.0     190425 695  0.3+  0.2+
190424 F51  0.0   0.1-    190427 807  0.1+  0.1-

Ephemeris:
2019 FY4                 a,e,i = 3.22, 0.56, 5                   q = 1.4029
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2019 03 30    12 24 04.7 +02 59 59   0.5447  1.5407   173.2     4.4    21.6
...
2019 04 14    12 23 19.1 +05 30 50   0.5033  1.4823   158.4    14.4    21.8
...
2019 04 22    12 24 57.4 +06 28 35   0.4951  1.4570   150.7    19.7    21.9
...
2019 04 28    12 27 37.8 +06 55 19   0.4943  1.4409   145.3    23.4    22.0
2019 04 29    12 28 12.6 +06 58 13   0.4946  1.4385   144.5    24.0    22.0
2019 04 30    12 28 49.9 +07 00 38   0.4950  1.4361   143.7    24.6    22.0
...
2019 05 06    12 33 26.5 +07 05 05   0.4996  1.4237   138.9    27.7    22.1
...
2019 05 14    12 41 59.8 +06 43 34   0.5112  1.4115   133.4    31.3    22.2
...
2019 05 29    13 04 52.8 +04 44 46   0.5478  1.4029   125.3    36.1    22.5

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-H78

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