• MPC Preparation (Info)

    • MPEC 2019-D55 : 2019 DQ

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    M.P.E.C. 2019-D55                                Issued 2019 Feb. 28, 19:20 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 DQ

Observations:
     K19D00Q* C2019 02 26.29656 09 12 33.76 +11 02 14.5          20.4 GVED055G96
     K19D00Q  C2019 02 26.30214 09 12 30.83 +11 03 01.3          20.4 GVED055G96
     K19D00Q  C2019 02 26.30772 09 12 27.87 +11 03 47.7          20.6 GVED055G96
     K19D00Q  C2019 02 26.31329 09 12 25.03 +11 04 33.5          20.5 GVED055G96
     K19D00Q KC2019 02 26.37649 09 11 52.94 +11 13 12.4          20.6 RoED055291
     K19D00Q KC2019 02 26.37808 09 11 52.15 +11 13 24.8          20.6 RoED055291
     K19D00Q KC2019 02 26.37965 09 11 51.37 +11 13 37.7          20.7 RoED055291
     K19D00Q  C2019 02 26.43105 09 11 26.52 +11 20 25.4          20.6 GVED055I52
     K19D00Q  C2019 02 26.43202 09 11 26.03 +11 20 32.5          20.9 GVED055I52
     K19D00Q  C2019 02 26.43298 09 11 25.58 +11 20 40.7          20.8 GVED055I52
     K19D00Q KC2019 02 26.96256909 07 57.47 +12 27 08.6          21.0 GVED055L01
     K19D00Q KC2019 02 26.96721909 07 55.46 +12 27 41.7          20.9 GVED055L01
     K19D00Q KC2019 02 26.96888709 07 54.72 +12 27 53.2          21.1 GVED055L01
     K19D00Q KC2019 02 26.97017009 07 54.17 +12 28 02.0          21.1 GVED055L01
     K19D00Q |C2019 02 27.07052 09 07 24.96 +12 43 39.7          21.1 VuED055807
     K19D00Q |C2019 02 27.07548 09 07 22.75 +12 44 13.8          21.1 VuED055807
     K19D00Q |C2019 02 27.08055 09 07 20.53 +12 44 49.7          20.9 VuED055807
     K19D00Q KC2019 02 27.13305 09 07 03.57 +12 47 31.6                oED055711
     K19D00Q IC2019 02 27.13649 09 07 02.10 +12 47 55.5                oED055711
     K19D00Q KC2019 02 27.13919 09 07 00.92 +12 48 13.8                oED055711
     K19D00Q KC2019 02 28.42359 08 59 56.26 +14 53 28.0          21.2 RoED055291
     K19D00Q KC2019 02 28.42664 08 59 55.30 +14 53 42.6          21.5 RoED055291
     K19D00Q KC2019 02 28.42968 08 59 54.39 +14 53 57.5          21.6 RoED055291

Observer details:
291 LPL/Spacewatch II.  Observer A. F. Tubbiolo.  1.8-m f/2.7 reflector + CCD.
711 McDonald Observatory, Fort Davis.  Observer J. G. Ries.  2.1-m reflector
    + CCD + focal reducer.
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
    0.61-m f/6.5 astrograph + CCD.
G96 Mt. Lemmon Survey.  Observers H. Groeller, T. A. Pruyne.  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.
I52 Steward Observatory, Mt. Lemmon Station.  Observer B. M. Africano.
    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.

Orbital elements:
2019 DQ                                                  Earth MOID = 0.0095 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M 192.28816              (2000.0)            P               Q
n   1.31997795     Peri.  210.71668     +0.98265541     -0.18448835
a   0.8230476      Node   159.88893     +0.17929665     +0.91937426
e   0.3856460      Incl.    3.12962     +0.04733975     +0.34744067
P   0.75           H   26.8           G   0.15           U   8
Residuals in seconds of arc
190226 G96  0.0   0.4-    190226 I52  0.2-  0.6-    190227 807  0.2-  0.5+
190226 G96  0.1-  0.0     190226 I52  0.2-  0.1+    190227 711  0.1+  0.1+
190226 G96  0.7-  0.0     190226 L01  0.1-  0.4-    190227 711  0.0   0.1+
190226 G96  0.2+  0.3-    190226 L01  0.3+  0.1+    190227 711  0.4-  0.2-
190226 291  0.1+  0.4+    190226 L01  0.1+  0.1-    190228 291  0.3+  0.1+
190226 291  0.1+  0.0     190226 L01  0.3+  0.3-    190228 291  0.2-  0.1-
190226 291  0.1+  0.3+    190227 807  0.1+  0.3+    190228 291  0.1-  0.0
190226 I52  0.3+  0.0     190227 807  0.3-  0.2-

Ephemeris:
2019 DQ                  a,e,i = 0.82, 0.39, 3                   q = 0.5056
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2019 01 29    19 53 33.2 -31 42 22   0.1246  0.8670    17.7   159.8    32.9
...
2019 02 13    18 45 26.1 -42 26 03   0.03971 0.9611    48.0   130.2    25.4
...
2019 02 21    10 54 34.9 -20 22 18   0.01741 1.0035   147.3    32.1    19.4
...
2019 02 27    09 07 46.7 +12 33 15   0.04460 1.0315   157.5    21.6    21.2
2019 02 28    09 02 07.8 +14 17 11   0.04998 1.0359   154.9    24.0    21.5
2019 03 01    08 57 35.2 +15 40 15   0.05543 1.0402   152.5    26.1    21.8
...
2019 03 07    08 43 04.2 +20 12 39   0.08928 1.0639   141.9    35.1    23.1
...
2019 03 15    08 38 31.0 +22 23 04   0.1362  1.0905   132.3    42.4    24.3
...
2019 03 30    08 45 31.1 +23 11 56   0.2267  1.1251   118.7    51.1    25.7

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-D55

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