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MPEC 2019-J05 : 2019 HF4

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M.P.E.C. 2019-J05                                Issued 2019 May 3, 03:45 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 theTamkin Foundation Computer Network                              MPC@CFA.HARVARD.EDU            URL https://www.minorplanetcenter.net/    ISSN 1523-6714                                   2019 HF4Observations:     K19H04F  C2019 04 23.22783112 30 24.62 +17 28 52.6          18.58gUEJ005I41     K19H04F  C2019 04 23.22817812 30 25.92 +17 28 30.7          18.58gUEJ005I41     K19H04F* C2019 04 24.29302113 42 08.17 -02 28 22.6          18.21gUEJ005I41     K19H04F  C2019 04 24.29336813 42 09.26 -02 28 41.2          18.21gUEJ005I41     K19H04F  C2019 04 24.35318313 45 12.56 -03 27 08.6          17.79RUEJ005I41     K19H04F  C2019 04 24.35353013 45 13.60 -03 27 28.9          17.79RUEJ005I41     K19H04F  C2019 04 24.36165913 46 18.002-03 32 10.44               VEJ005F51     K19H04F  C2019 04 24.38981213 47 41.751-03 59 12.86               VEJ005F51     K19H04F  C2019 04 25.37364314 33 19.59 -16 38 08.0          18.21RUEJ005I41     K19H04F  C2019 04 25.37399014 33 20.25 -16 38 19.9          18.21RUEJ005I41Observer details: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.  1.8-m Ritchey-Chretien + CCD.I41 Palomar Mountain--ZTF.  Observers Q.-Z. Ye, Z. T. F. Collaboration,    H.-J. Tan.  Measurers D. A. Duev, H.-W. Lin, A. A. Mahabal, F. J. Masci,    Q.-Z. Ye.  1.2-m f/2.4 Schmidt.Orbital elements:2019 HF4                                                 EarthMOID = 0.0058 AUEpoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPCM  12.27797              (2000.0)            P               Qn   0.49065776     Peri.  153.09171     -0.99066004     +0.13090588a   1.5920264      Node    34.49658     -0.13406457     -0.88401396e   0.3805589      Incl.    3.86359     -0.02488712     -0.44875714P   2.01           H   27.6           G   0.15           U   7Residuals in seconds of arc190423 I41  1.3+  1.1-    190424 I41  0.0   0.4-    190425 I41  0.6+  0.1-190423 I41  1.2-  1.2+    190424 I41  0.3-  0.6-    190425 I41  0.2-  0.3+190424 I41  0.8+  1.0-    190424 F51  0.0   0.1+190424 I41  1.0+  1.0+    190424 F51  0.4-  0.0Ephemeris:2019 HF4                 a,e,i = 1.59, 0.38, 4                   q = 0.9862Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V2019 04 03    05 49 51.3 +46 06 22   0.07368 0.9851    76.6    99.3    25.5...2019 04 18    07 31 03.5 +48 59 56   0.02095 1.0006    80.3    98.5    22.8...2019 04 26    14 55 17.3 -21 48 29   0.01283 1.0186   166.6    13.3    19.0...2019 05 02    16 20 44.3 -37 30 21   0.03328 1.0359   147.6    31.4    21.62019 05 03    16 26 11.1 -38 13 59   0.03691 1.0391   147.1    31.8    21.92019 05 04    16 30 38.7 -38 48 19   0.04057 1.0424   146.9    31.9    22.1...2019 05 10    16 45 29.2 -40 31 49   0.06300 1.0638   148.4    29.8    23.0...2019 05 18    16 51 23.9 -40 58 20   0.09427 1.0963   153.2    24.6    23.8...2019 06 02    16 50 17.2 -39 54 45   0.1595  1.1669   162.0    15.6    24.8A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-J05

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