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    • MPEC 2019-A191: 2019 AP9

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    M.P.E.C. 2019-A191                               Issued 2019 Jan. 12, 22:59 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 AP9

Observations:
     K19A09P  C2019 01 08.23708002 38 06.915-13 11 49.92         21.3 GVEA191F51
     K19A09P* C2019 01 08.25067 02 38 08.740-13 11 15.86         21.7 wUEA191F51
     K19A09P  C2019 01 08.26425 02 38 10.523-13 10 41.67         21.7 wUEA191F51
     K19A09P  C2019 01 09.07885 02 40 00.49 -12 37 05.5                VEA191V06
     K19A09P  C2019 01 09.08075 02 40 00.73 -12 37 00.6                VEA191V06
     K19A09P |C2019 01 09.08225 02 40 00.53 -12 36 47.0          21.8 VuEA191807
     K19A09P  C2019 01 09.08265 02 40 00.98 -12 36 56.2                VEA191V06
     K19A09P  C2019 01 09.08456 02 40 01.23 -12 36 51.5          21.9 GVEA191V06
     K19A09P |C2019 01 09.09145 02 40 01.72 -12 36 24.2          21.7 VuEA191807
     K19A09P |C2019 01 09.10094 02 40 02.96 -12 36 01.0          21.9 VuEA191807
     K19A09P ^C2019 01 09.21903202 40 19.134-12 31 20.90         21.46GVEA191568
     K19A09P ^C2019 01 09.21997802 40 19.255-12 31 18.61         21.49GVEA191568
     K19A09P ^C2019 01 09.22093302 40 19.379-12 31 16.27         21.48GVEA191568
     K19A09P |C2019 01 10.07634 02 42 12.04 -11 56 43.2          21.5 GUEA191807
     K19A09P |C2019 01 10.08204 02 42 12.77 -11 56 29.6          21.6 GUEA191807
     K19A09P |C2019 01 10.08864 02 42 13.62 -11 56 14.0          21.5 GUEA191807
     K19A09P |C2019 01 11.16385 02 44 32.87 -11 14 04.5          21.5 GUEA191807
     K19A09P |C2019 01 11.16948 02 44 33.63 -11 13 51.2          21.4 GUEA191807
     K19A09P KC2019 01 12.09222 02 46 31.57 -10 38 48.0          21.3 RoEA191291
     K19A09P KC2019 01 12.10196 02 46 32.76 -10 38 24.4          21.2 RoEA191291

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, A. Petric.  Measurers
    R. Weryk, R. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
    0.61-m f/6.5 astrograph + CCD, 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.
V06 Catalina Sky Survey-Kuiper.  Observer A. R. Gibbs.  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,
    R. L. Seaman, F. C. Shelly.  1.55-m reflector + CCD.

Orbital elements:
2019 AP9                                                 Earth MOID = 0.3193 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  63.00008              (2000.0)            P               Q
n   0.32744961     Peri.  183.64546     +0.70554711     +0.66604912
a   2.0846816      Node   131.43504     -0.64174759     +0.74538202
e   0.7390847      Incl.   18.83490     -0.30060490     -0.02800382
P   3.01           H   19.5           G   0.15           U   9
Residuals in seconds of arc
190108 F51  0.2-  0.1-    190109 V06  0.0   0.1-    190110 807  0.3-  0.1+
190108 F51  0.2+  0.1-    190109 807  0.2-  0.2+    190110 807  0.2-  0.1-
190108 F51  0.1+  0.1+    190109 807  0.2-  0.1+    190111 807  0.4+  0.2-
190109 V06  0.1+  0.1-    190109 568  0.1-  0.0     190111 807  1.1+  0.0
190109 V06  0.0   0.2+    190109 568  0.1-  0.0     190112 291  0.1-  0.8-
190109 807  0.1-  0.0     190109 568  0.1-  0.0     190112 291  0.2-  0.8+
190109 V06  0.0   0.1-    190110 807  0.3-  0.1+

Ephemeris:
2019 AP9                 a,e,i = 2.08, 0.74, 19                  q = 0.5439
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 12 13    01 01 16.0 -39 39 57   0.5288  1.1425    93.1    59.4    20.5
...
2018 12 28    02 08 33.8 -22 21 15   0.7041  1.3283   102.6    46.3    21.1
...
2019 01 05    02 30 30.3 -15 33 02   0.8237  1.4230   103.6    42.2    21.5
...
2019 01 11    02 44 12.1 -11 20 31   0.9218  1.4920   103.0    39.9    21.8
2019 01 12    02 46 19.7 -10 42 12   0.9387  1.5034   102.9    39.6    21.8
2019 01 13    02 48 25.1 -10 04 52   0.9558  1.5146   102.7    39.3    21.9
...
2019 01 19    03 00 18.4 -06 39 39   1.0615  1.5813   101.2    37.6    22.1
...
2019 01 27    03 14 53.7 -02 48 24   1.2095  1.6676    98.4    35.7    22.5
...
2019 02 11    03 40 09.5 +02 49 29   1.5031  1.8214    91.6    32.8    23.1

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-A191

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