• Processing (Info)

    • MPEC 2019-G184: 2019 GB20

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    M.P.E.C. 2019-G184                               Issued 2019 Apr. 15, 02:22 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 GB20

Observations:
     K19G20B  C2019 02 05.60820613 44 25.975-30 03 27.40         22.1 GVEG184F51
     K19G20B  C2019 02 05.61790613 44 26.898-30 03 25.13         22.1 GVEG184F51
     K19G20B  C2019 02 05.62757213 44 27.849-30 03 22.44         22.2 GVEG184F51
     K19G20B* C2019 04 06.44569 13 45 33.910-12 53 30.77         21.6 wUEG184F51
     K19G20B  C2019 04 06.45797 13 45 33.042-12 53 12.83         22.4 wUEG184F51
     K19G20B  C2019 04 06.47024 13 45 32.166-12 52 54.78         21.9 wUEG184F51
     K19G20B  C2019 04 06.48252 13 45 31.311-12 52 36.89         21.9 wUEG184F51
     K19G20B |C2019 04 08.23429 13 43 37.54 -12 09 53.1          21.0 VuEG184807
     K19G20B |C2019 04 08.24347 13 43 36.90 -12 09 39.8          21.6 VuEG184807
     K19G20B |C2019 04 08.25235 13 43 36.31 -12 09 27.2          21.4 VuEG184807
     K19G20B  C2019 04 08.39310 13 43 27.691-12 06 15.09         21.8 wUEG184F51
     K19G20B  C2019 04 08.40471 13 43 26.869-12 05 58.38         22.1 wUEG184F51
     K19G20B  C2019 04 08.42797 13 43 25.248-12 05 25.13         21.9 wUEG184F51
     K19G20B  C2019 04 09.44817 13 42 19.441-11 41 01.55         22.1 wUEG184F51
     K19G20B  C2019 04 09.46047 13 42 18.573-11 40 44.09         21.9 wUEG184F51
     K19G20B  C2019 04 09.47274 13 42 17.706-11 40 26.68         21.6 wUEG184F51
     K19G20B KC2019 04 10.19520713 41 31.91 -11 23 23.3          21.9 VuEG184H21
     K19G20B KC2019 04 10.19966413 41 31.62 -11 23 16.9          22.0 VuEG184H21
     K19G20B KC2019 04 10.20533613 41 31.24 -11 23 08.9          21.6 VuEG184H21
     K19G20B KC2019 04 12.34541 13 39 16.10 -10 33 24.0                oEG184711
     K19G20B IC2019 04 12.34968 13 39 15.84 -10 33 18.0                oEG184711
     K19G20B KC2019 04 12.35394 13 39 15.52 -10 33 13.3                oEG184711

Observer details:
711 McDonald Observatory, Fort Davis.  Observer J. G. Ries.  2.1-m reflector
    + CCD + focal reducer.
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
    0.61-m f/6.5 astrograph + 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.  1.3-m f/4.0
    astrograph + CCD.

Orbital elements:
2019 GB20                                                Earth MOID = 0.2800 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  35.28462              (2000.0)            P               Q
n   0.26934728     Peri.  271.17133     -0.41806116     -0.90327765
a   2.3746211      Node   204.26772     +0.89852982     -0.39553643
e   0.5296989      Incl.   13.58097     +0.13367511     -0.16625408
P   3.66           H   21.1           G   0.15           U   4
Residuals in seconds of arc
190205 F51  0.1+  0.0     190408 807  0.2-  0.4+    190410 H21  0.1-  0.1+
190205 F51  0.1-  0.1-    190408 807  0.2+  0.2+    190410 H21  0.1+  0.2+
190205 F51  0.0   0.1+    190408 F51  0.1+  0.1+    190410 H21  0.1+  0.2+
190406 F51  0.1+  0.0     190408 F51  0.1-  0.2+    190412 711  0.4+  0.3+
190406 F51  0.1+  0.0     190408 F51  0.1-  0.0     190412 711  0.8+  0.5+
190406 F51  0.0   0.0     190409 F51  0.1+  0.0     190412 711  0.2+  0.7-
190406 F51  0.1+  0.1-    190409 F51  0.1-  0.1-
190408 807  0.2-  0.4+    190409 F51  0.4-  0.2-

Ephemeris:
2019 GB20                a,e,i = 2.37, 0.53, 14                  q = 1.1168
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2019 03 16    14 05 20.7 -21 33 21   0.6029  1.4959   137.6    26.6    22.1
...
2019 03 31    13 52 29.8 -15 33 39   0.6284  1.5983   157.8    13.7    21.9
...
2019 04 08    13 43 52.8 -12 15 38   0.6600  1.6539   169.0     6.6    21.8
...
2019 04 14    13 37 34.9 -09 55 54   0.6933  1.6956   177.3     1.6    21.7
2019 04 15    13 36 34.9 -09 33 49   0.6997  1.7026   178.6     0.9    21.6
2019 04 16    13 35 36.1 -09 12 07   0.7063  1.7096   179.3     0.4    21.6
...
2019 04 22    13 30 11.4 -07 11 07   0.7507  1.7514   171.9     4.6    22.1
...
2019 04 30    13 24 29.8 -04 57 08   0.8224  1.8070   161.9    10.0    22.6
...
2019 05 15    13 19 19.4 -02 13 17   0.9917  1.9103   145.1    17.6    23.4

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-G184

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