[Iaude] MPEC A195: 2019 AT9 [a=2.04,e=0.53,i=6.4,H=24.1]

[mpec at mpcdb1.cfa.harvard.edu]

M.P.E.C. 2019-A195                               Issued 2019 Jan. 12, 23:19 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 AT9
 
Observations:
     K19A09T* C2019 01 09.40685 08 28 54.821+22 55 51.53         22.2 wUEA195F51
     K19A09T  C2019 01 09.41947 08 28 55.331+22 55 33.14         22.4 wUEA195F51
     K19A09T  C2019 01 09.43225 08 28 55.870+22 55 14.67         21.9 wUEA195F51
     K19A09T KC2019 01 10.26734508 29 41.75 +22 33 36.6          21.9 VuEA195H21
     K19A09T KC2019 01 10.27405208 29 42.02 +22 33 26.2          22.0 VuEA195H21
     K19A09T KC2019 01 10.29865408 29 43.07 +22 32 47.4          22.2 VuEA195H21
     K19A09T ^C2019 01 10.39139708 29 49.723+22 30 30.40         22.04GVEA195568
     K19A09T ^C2019 01 10.39234808 29 49.765+22 30 28.92         22.02GVEA195568
     K19A09T ^C2019 01 10.39329608 29 49.807+22 30 27.42         21.93GVEA195568
     K19A09T KC2019 01 12.35339 08 31 40.68 +21 34 34.7          22.0 RoEA195291
     K19A09T KC2019 01 12.35713 08 31 40.89 +21 34 27.8          21.2 RoEA195291
     K19A09T KC2019 01 12.36087 08 31 41.02 +21 34 21.0          21.3 RoEA195291
 
Observer details:
291 LPL/Spacewatch II.  Observer R. A. Mastaler.  1.8-m f/2.7 reflector + CCD.
568 Mauna Kea.  Observers R. Wainscoat, D. Woodworth, S. Prunet.  Measurers
    R. Weryk, R. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
    M. Willman.  Measurers K. Chambers, S. Chastel, 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.
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.
 
Orbital elements:
2019 AT9                                                 Earth MOID = 0.0589 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  15.76608              (2000.0)            P               Q
n   0.33722938     Peri.  239.95693     -0.99475669     -0.03017227
a   2.0441799      Node   298.15817     +0.07065142     -0.89357751
e   0.5295003      Incl.    6.36347     -0.07394263     -0.44789382
P   2.92           H   24.1           G   0.15           U   8
Residuals in seconds of arc
190109 F51  0.0   0.1-    190110 H21  0.3-  0.1-    190110 568  0.0   0.0
190109 F51  0.1-  0.1-    190110 H21  0.3-  0.0     190112 291  0.3-  0.1+
190109 F51  0.2+  0.2+    190110 568  0.0   0.0     190112 291  0.4+  0.0
190110 H21  0.0   0.2-    190110 568  0.0   0.0     190112 291  0.0   0.0

Ephemeris:
2019 AT9                 a,e,i = 2.04, 0.53, 6                   q = 0.9618
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 12 13    08 02 27.4 +28 30 39   0.4983  1.4148   143.1    24.7    24.5
...
2018 12 28    08 17 44.5 +26 30 31   0.3455  1.3037   154.5    19.0    23.3
...
2019 01 05    08 24 56.2 +24 31 24   0.2750  1.2462   160.7    15.1    22.6
...
2019 01 11    08 30 22.6 +22 14 00   0.2271  1.2045   165.4    11.9    22.0
2019 01 12    08 31 20.0 +21 45 20   0.2195  1.1977   166.2    11.3    21.9
2019 01 13    08 32 18.8 +21 14 37   0.2120  1.1910   166.9    10.8    21.8
...
2019 01 19    08 38 59.8 +17 16 08   0.1697  1.1515   170.6     8.0    21.1
...
2019 01 27    08 52 06.9 +08 00 50   0.1201  1.1026   168.6    10.1    20.4
...
2019 02 11    10 09 00.5 -40 10 20   0.06547 1.0258   125.0    52.0    20.2

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-A195