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    • MPEC 2019-S116 : 2019 SQ4

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    Read MPEC 2019-S115 Read MPEC 2019-S117 

    M.P.E.C. 2019-S116                           Issued 2019 September 27, 11:27 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 SQ4                                 


Observations:
     K19S04Q  C2019 09 05.31135 22 55 40.48 -03 28 45.4          21.3 GVES116G96
     K19S04Q  C2019 09 05.31681 22 55 40.22 -03 28 46.0          21.3 GVES116G96
     K19S04Q  C2019 09 05.32226 22 55 39.87 -03 28 48.1          21.4 GVES116G96
     K19S04Q  C2019 09 05.32772 22 55 39.57 -03 28 49.2          21.6 GVES116G96
     K19S04Q  C2019 09 19.46353922 41 59.755-04 35 40.81         21.2 GVES116F51
     K19S04Q  C2019 09 19.47490422 41 59.029-04 35 44.38         21.1 GVES116F51
     K19S04Q* C2019 09 26.30478 22 35 31.711-05 11 42.60         21.3 wUES116F51
     K19S04Q  C2019 09 26.31641 22 35 31.024-05 11 46.17         21.2 wUES116F51
     K19S04Q  C2019 09 26.32802 22 35 30.311-05 11 49.84         21.3 wUES116F51
     K19S04Q KC2019 09 26.88230 22 35 01.57 -05 14 42.0          20.6 GVES116J04
     K19S04Q KC2019 09 26.89001 22 35 01.12 -05 14 44.2          20.9 GVES116J04
     K19S04Q KC2019 09 26.89773 22 35 00.64 -05 14 46.5          20.5 GVES116J04
     K19S04Q KC2019 09 27.09084122 34 50.57 -05 15 49.1          21.0 VuES116H21
     K19S04Q KC2019 09 27.09665822 34 50.21 -05 15 50.2          21.3 VuES116H21
     K19S04Q KC2019 09 27.09966222 34 50.03 -05 15 50.9          21.1 VuES116H21

Observer details:
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, T. de Boer, L. Denneau, J. 
   Fairlamb, H. Flewelling, C.-C. Lin, E. Magnier.  1.8-m Ritchey-Chretien + 
   CCD.
G96 Mt. Lemmon Survey.  Observer H. Groeller.  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, D. 
   Rankin, 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.  0.76-m f/3.0 
   astrograph + CCD.
J04 ESA Optical Ground Station, Tenerife.  Observer P. Ruiz.  Measurers A. 
   Knofel, D. Koschny, M. Busch, M. Micheli, E. Schwab.  1.0-m f/4.4 
   reflector + CCD.

Orbital elements:
2019 SQ4                                                 Earth MOID = 0.1726 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 Veres
M 307.62783              (2000.0)            P               Q
n   0.23219692     Peri.  163.94029     +0.54108075     -0.84076270
a   2.6215918      Node   253.29903     +0.76941111     +0.50389311
e   0.5572629      Incl.    1.11872     +0.33946747     +0.19801469
P   4.24           H   21.3           G   0.15           U   6
Residuals in seconds of arc
190905 G96  0.4-  0.2-    190919 F51  0.1+  0.0     190926 J04  0.2+  0.0
190905 G96  0.4+  0.5+    190926 F51  0.1+  0.0     190926 J04  0.3-  0.1+
190905 G96  0.1-  0.4-    190926 F51  0.3+  0.1+    190927 H21  0.5-  0.8-
190905 G96  0.2+  0.2-    190926 F51  0.1+  0.0     190927 H21  0.9-  0.1-
190919 F51  0.2-  0.1+    190926 J04  0.2+  0.2-    190927 H21  1.0-  0.1+

Ephemeris:
2019 SQ4                 a,e,i = 2.62, 0.56, 1                   q = 1.1607
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2019 08 28    23 02 04.9 -03 03 03   0.6278  1.6301   168.3     7.2    21.9
...
2019 09 12    22 49 26.2 -03 57 37   0.5231  1.5270   172.8     4.8    21.2
...
2019 09 20    22 41 28.5 -04 38 23   0.4832  1.4739   163.3    11.3    21.3
...
2019 09 26    22 35 47.5 -05 10 00   0.4600  1.4354   156.0    16.5    21.3
2019 09 27    22 34 54.9 -05 15 07   0.4566  1.4291   154.8    17.4    21.3
2019 09 28    22 34 03.9 -05 20 09   0.4534  1.4228   153.6    18.2    21.3
...
2019 10 04    22 29 41.4 -05 47 43   0.4367  1.3862   146.6    23.4    21.3
...
2019 10 12    22 26 26.8 -06 13 39   0.4204  1.3399   137.8    30.0    21.4
...
2019 10 27    22 30 57.1 -06 12 05   0.4019  1.2638   124.1    40.7    21.4

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-S116

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