• Processing (Info)

    • MPEC 2019-C128: 2019 CQ4

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    M.P.E.C. 2019-C128                               Issued 2019 Feb. 11, 15:40 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 CQ4

Observations:
     K19C04Q  C2019 02 04.49217610 15 28.457+05 50 05.52         18.93GVEC128F52
     K19C04Q  C2019 02 04.51673310 15 20.601+05 53 24.76         19.02GVEC128F52
     K19C04Q* C2019 02 09.42362 09 57 38.90 +13 48 22.8          19.7 GVEC128G96
     K19C04Q  C2019 02 09.42922 09 57 37.92 +13 48 45.4          19.6 GVEC128G96
     K19C04Q  C2019 02 09.43482 09 57 36.95 +13 49 08.2          19.2 GVEC128G96
     K19C04Q  C2019 02 09.50320 09 57 25.13 +13 53 43.8          20.2 GVEC128I52
     K19C04Q  C2019 02 09.50350 09 57 25.09 +13 53 45.9          20.4 GVEC128I52
     K19C04Q  C2019 02 09.50536 09 57 24.79 +13 53 53.1          19.6 GVEC128I52
     K19C04Q KC2019 02 10.26338409 55 32.78 +14 42 57.2          19.7 GVEC128V03
     K19C04Q KC2019 02 10.26801109 55 32.08 +14 43 13.9                VEC128V03
     K19C04Q KC2019 02 10.27586309 55 29.70 +14 43 42.5          19.9 VuEC128H21
     K19C04Q KC2019 02 10.27898109 55 29.19 +14 43 54.0          20.0 VuEC128H21
     K19C04Q KC2019 02 10.28184009 55 28.70 +14 44 04.5          20.3 VuEC128H21
     K19C04Q |C2019 02 10.34207 09 55 18.10 +14 48 38.7          20.4 VuEC128807
     K19C04Q |C2019 02 10.34580 09 55 17.50 +14 48 52.4          19.8 VuEC128807
     K19C04Q  C2019 02 11.19454 09 53 23.38 +15 37 24.4          19.5 GVEC128I52
     K19C04Q  C2019 02 11.19602 09 53 23.15 +15 37 28.9          20.6 GVEC128I52
     K19C04Q  C2019 02 11.19644 09 53 23.14 +15 37 30.6          19.8 GVEC128I52

Observer details:
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
    0.61-m f/6.5 astrograph + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes,
    T. Lowe, E. Magnier, A. Schultz, M. Willman.  Measurers S. Chastel,
    M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien
    + CCD.
G96 Mt. Lemmon Survey.  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, T. A. Pruyne,
    R. L. Seaman, F. C. Shelly.  1.5-m reflector + 10K 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.  Observers D. C. Fuls,
    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.
V03 Big Water.  Observer D. Rankin.  0.30-m reflector + CCD.

Orbital elements:
2019 CQ4                                                 Earth MOID = 0.0213 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  45.03373              (2000.0)            P               Q
n   0.33012800     Peri.  268.48139     +0.65356820     -0.74888311
a   2.0733907      Node   139.99076     +0.74438249     +0.60980104
e   0.6788526      Incl.    9.81975     +0.13690623     +0.25945475
P   2.99           H   23.1           G   0.15           U   6
Residuals in seconds of arc
190204 F52  0.0   0.0     190209 I52  0.1-  0.4+    190210 H21  0.2-  0.1+
190204 F52  0.0   0.0     190209 I52  0.1+  0.1+    190210 807  0.2+  0.1-
190209 G96  0.0   0.1+    190210 V03  0.6-  0.2+    190210 807  0.0   0.1+
190209 G96  0.1+  0.1-    190210 V03  0.1+  0.4-    190211 I52  0.1-  0.2+
190209 G96  0.3+  0.1-    190210 H21  0.2+  0.2+    190211 I52  0.3-  0.3-
190209 I52  0.3-  0.5-    190210 H21  0.1+  0.2+    190211 I52  0.4+  0.0

Ephemeris:
2019 CQ4                 a,e,i = 2.07, 0.68, 10                  q = 0.6659
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2019 01 12    20 02 37.4 -48 21 13   0.1547  0.8490    27.3   147.9    26.7
...
2019 01 27    11 52 55.0 -35 01 20   0.06074 1.0058   108.8    68.0    19.4
...
2019 02 04    10 17 57.3 +04 41 01   0.1147  1.0937   159.3    18.6    19.5
...
2019 02 10    09 56 10.9 +14 26 42   0.1740  1.1599   174.2     4.9    20.0
2019 02 11    09 53 47.6 +15 26 46   0.1846  1.1710   175.6     3.7    20.1
2019 02 12    09 51 38.2 +16 20 09   0.1953  1.1820   176.4     3.0    20.2
...
2019 02 18    09 42 17.2 +20 02 20   0.2625  1.2478   170.4     7.6    21.2
...
2019 02 26    09 35 53.5 +22 30 03   0.3595  1.3344   160.6    14.3    22.3
...
2019 03 13    09 34 11.4 +23 53 29   0.5638  1.4919   145.2    22.3    23.8

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-C128

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