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    • MPEC 2019-C126: 2019 CO4

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    M.P.E.C. 2019-C126                               Issued 2019 Feb. 11, 15:30 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 CO4

Observations:
     K19C04O* C2019 02 08.51881 11 03 14.062+00 08 12.88         19.9 wUEC126F52
     K19C04O  C2019 02 08.52980 11 03 12.104+00 08 49.20         19.8 wUEC126F52
     K19C04O  C2019 02 08.55166 11 03 08.238+00 10 01.43         19.6 wUEC126F52
     K19C04O IC2019 02 08.93490811 02 02.80 +00 31 00.3          20.0 GVEC126L01
     K19C04O pC2019 02 08.93724011 02 02.33 +00 31 08.3          19.8 GVEC126L01
     K19C04O KC2019 02 08.93957411 02 02.01 +00 31 15.7          19.9 GVEC126L01
     K19C04O KC2019 02 10.32360210 58 04.58 +01 46 31.5          19.9 VuEC126H21
     K19C04O KC2019 02 10.32659110 58 04.06 +01 46 41.3          20.0 VuEC126H21
     K19C04O |C2019 02 10.36186 10 57 57.70 +01 48 49.0          19.8 VuEC126807
     K19C04O |C2019 02 10.36261 10 57 57.57 +01 48 51.6          19.5 VuEC126807
     K19C04O |C2019 02 10.36373 10 57 57.38 +01 48 55.2          19.8 VuEC126807
     K19C04O KC2019 02 10.98793 10 56 11.93 +02 22 07.0          20.2 GVEC126Z99
     K19C04O KC2019 02 10.99195 10 56 11.28 +02 22 19.7          19.8 GVEC126Z99
     K19C04O KC2019 02 10.99599 10 56 10.57 +02 22 33.5          20.1 GVEC126Z99
     K19C04O KC2019 02 11.02200410 56 06.07 +02 23 57.5          19.3 GVEC126C95
     K19C04O KC2019 02 11.02797510 56 05.04 +02 24 16.7          19.9 GVEC126C95
     K19C04O KC2019 02 11.03424310 56 03.93 +02 24 36.7          20.0 GVEC126C95
     K19C04O  C2019 02 11.21938 10 55 33.17 +02 34 30.1          18.8 GVEC126I52
     K19C04O  C2019 02 11.22209 10 55 32.65 +02 34 39.5          19.4 GVEC126I52
     K19C04O  C2019 02 11.22396 10 55 32.35 +02 34 46.2          18.8 GVEC126I52

Observer details:
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
    0.61-m f/6.5 astrograph + CCD.
C95 SATINO Remote Observatory, Haute Provence.  Observer J. Jahn.  0.60-m
    f/3.2 Newtonian reflector + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Dukes, 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.  0.61-m f/4.5
    astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer E. J. Christensen.
    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, T. A. Pruyne, R. L. Seaman, F. C. Shelly.  1.0-m reflector
    + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
Z99 Clixby Observatory, Cleethorpes.  Observer A. Mickleburgh.  0.36-m f/8
    Schmidt-Cassegrain + CCD.

Orbital elements:
2019 CO4                                                 Earth MOID = 0.3111 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  31.69580              (2000.0)            P               Q
n   0.19110499     Peri.  232.39791     +0.79490204     -0.51191094
a   2.9850712      Node   152.94861     +0.42291926     +0.85238347
e   0.8435146      Incl.   45.73727     -0.43505177     -0.10672214
P   5.16           H   18.7           G   0.15           U   7
Residuals in seconds of arc
190208 F52  0.0   0.0     190210 H21  0.1-  0.0     190211 C95  0.0   0.3-
190208 F52  0.1-  0.0     190210 807  0.1-  0.1-    190211 C95  0.1+  0.2-
190208 F52  0.0   0.0     190210 807  0.1-  0.0     190211 C95  0.3-  0.3-
190208 L01  0.3+  0.2-    190210 807  0.0   0.0     190211 I52  0.7+  0.4-
190208 L01  0.7-  0.2+    190210 Z99  0.6-  0.3-    190211 I52  0.1-  0.4+
190208 L01  0.7+  0.1-    190210 Z99  0.1+  0.5-    190211 I52  0.2+  1.1+
190210 H21  0.1-  0.1-    190210 Z99  0.1-  0.4+

Ephemeris:
2019 CO4                 a,e,i = 2.99, 0.84, 46                  q = 0.4671
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2019 01 12    12 16 40.7 -24 08 02   0.6870  1.2659    97.0    50.5    20.3
...
2019 01 27    11 39 11.5 -11 37 21   0.6679  1.4764   125.5    32.9    20.1
...
2019 02 04    11 16 19.3 -04 05 14   0.6843  1.5834   142.3    22.4    19.9
...
2019 02 10    10 59 00.0 +01 29 08   0.7142  1.6613   154.9    14.6    19.9
2019 02 11    10 56 09.8 +02 22 53   0.7208  1.6741   157.0    13.3    19.9
2019 02 12    10 53 21.2 +03 15 50   0.7278  1.6869   159.0    12.1    19.9
...
2019 02 18    10 37 11.2 +08 13 17   0.7796  1.7624   171.0     5.1    19.8
...
2019 02 26    10 18 13.6 +13 44 16   0.8731  1.8603   173.9     3.3    20.1
...
2019 03 13    09 52 52.1 +20 38 14   1.1110  2.0362   150.6    13.9    21.3

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-C126

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