[Iaude] MPEC A108: 2019 AW4 [a=2.20,e=0.62,i=14.4,H=21.2,PHA]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Mon Jan 7 07:19:17 EST 2019


M.P.E.C. 2019-A108                               Issued 2019 Jan. 7, 12:15 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714


                                   2019 AW4
 
Observations:
     K19A04W  C2018 12 15.54979009 01 37.665-03 53 26.95         22.4 GVEA108F51
     K19A04W  C2018 12 15.57375509 01 39.235-03 53 44.44         22.6 GVEA108F51
     K19A04W  C2018 12 15.58578509 01 40.020-03 53 54.25         22.9 GVEA108F51
     K19A04W* C2019 01 04.57753 09 24 36.932-08 04 06.05         22.1 wUEA108F51
     K19A04W  C2019 01 04.58941 09 24 37.702-08 04 14.96         22.4 wUEA108F51
     K19A04W  C2019 01 04.60128 09 24 38.486-08 04 23.96         22.4 wUEA108F51
     K19A04W |C2019 01 05.27555 09 25 27.30 -08 12 34.5          21.7 GUEA108807
     K19A04W |C2019 01 05.28361 09 25 27.83 -08 12 40.5          21.8 GUEA108807
     K19A04W |C2019 01 05.29135 09 25 28.34 -08 12 46.2          21.8 GUEA108807
     K19A04W KC2019 01 05.31333209 25 30.10 -08 13 20.4          21.5 VuEA108H21
     K19A04W KC2019 01 05.31981809 25 30.52 -08 13 25.1          22.0 VuEA108H21
     K19A04W KC2019 01 05.32875409 25 31.09 -08 13 31.7          22.1 VuEA108H21
     K19A04W KC2019 01 06.32798309 26 43.40 -08 25 56.3          22.1 VuEA108H21
     K19A04W KC2019 01 06.33325509 26 43.78 -08 26 00.2          22.1 VuEA108H21
     K19A04W KC2019 01 06.34136509 26 44.30 -08 26 06.6          22.1 VuEA108H21
 
Observer details:
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, K. Chambers, T. Lowe,
    E. Magnier, A. Schultz, M. Willman.  Measurers S. Chastel, M. Huber,
    Y. Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, 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 AW4                                            PHA, Earth MOID = 0.0204 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M   7.87058              (2000.0)            P               Q
n   0.30140686     Peri.   57.27451     -0.84803600     +0.51810852
a   2.2030987      Node   153.42250     -0.52993635     -0.82848524
e   0.6154194      Incl.   14.41094     -0.00155372     -0.21254593
P   3.27           H   21.2           G   0.15           U   8
Residuals in seconds of arc
181215 F51  0.1-  0.1+    190104 F51  0.0   0.1-    190105 H21  0.2+  0.1-
181215 F51  0.0   0.4+    190105 807  0.3-  0.3-    190105 H21  0.2-  0.0
181215 F51  0.1+  0.5-    190105 807  0.3-  0.3-    190106 H21  0.1+  0.4+
190104 F51  0.0   0.1+    190105 807  0.3-  0.2-    190106 H21  0.5+  0.4+
190104 F51  0.1-  0.0     190105 H21  0.4+  0.2-    190106 H21  0.1+  0.1+

Ephemeris:
2019 AW4                 a,e,i = 2.20, 0.62, 14                  q = 0.8473
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 12 08    08 52 47.8 -02 21 14   0.9656  1.6673   117.5    31.6    23.6
...
2018 12 23    09 10 08.3 -05 26 07   0.7340  1.5354   126.1    31.2    22.8
...
2018 12 31    09 19 16.1 -07 06 39   0.6195  1.4638   130.5    30.7    22.3
...
2019 01 06    09 26 19.4 -08 21 40   0.5380  1.4096   133.7    30.3    21.9
2019 01 07    09 27 32.4 -08 34 03   0.5247  1.4006   134.2    30.2    21.8
2019 01 08    09 28 46.3 -08 46 25   0.5116  1.3915   134.7    30.2    21.8
...
2019 01 14    09 36 39.2 -09 59 26   0.4351  1.3372   137.5    29.8    21.3
...
2019 01 22    09 49 34.6 -11 33 01   0.3389  1.2651   140.8    29.4    20.6
...
2019 02 06    10 37 54.5 -14 09 05   0.1765  1.1333   143.9    30.9    19.0

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-A108



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