[Iaude] MPEC R11: 2019 QF7 [a=1.68,e=0.50,i=41.8,H=21.9]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Sep 2 03:53:49 EDT 2019


M.P.E.C. 2019-R11                              Issued 2019 September 2, 07:52 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                    2019 QF7                                    


Observations:
     K19Q07F  C2019 08 31.30620 22 03 39.807-11 36 08.95         21.2 wUER011F51
     K19Q07F  C2019 08 31.30922 22 03 39.558-11 36 27.53         21.2 wUER011F51
     K19Q07F  C2019 08 31.31073 22 03 39.432-11 36 37.10         21.2 wUER011F51
     K19Q07F  C2019 08 31.32128 22 03 38.555-11 37 41.71         21.1 wUER011F51
     K19Q07F  C2019 08 31.32429 22 03 38.310-11 38 00.36         21.1 wUER011F51
     K19Q07F  C2019 08 31.33639 22 03 37.300-11 39 13.98         21.2 wUER011F51
     K19Q07F  C2019 08 31.33941 22 03 37.045-11 39 32.76         21.1 wUER011F51
     K19Q07F  C2019 08 31.34092 22 03 36.920-11 39 41.33         21.1 wUER011F51
     K19Q07F  C2019 08 31.35451 22 03 35.774-11 41 04.38         20.8 wUER011F51
     K19Q07F  C2019 08 31.35601 22 03 35.660-11 41 13.50         20.8 wUER011F51
     K19Q07F* C2019 08 31.43013 22 03 29.418-11 48 44.08         20.9 wUER011F51
     K19Q07F  C2019 08 31.44523 22 03 28.143-11 50 15.36         21.0 wUER011F51
     K19Q07F  C2019 08 31.46034 22 03 26.873-11 51 47.08         20.8 wUER011F51
     K19Q07F KC2019 09 01.22387 22 02 31.71 -13 07 26.7          21.1 GUER011H36
     K19Q07F KC2019 09 01.23345 22 02 30.96 -13 08 21.2          20.8 GUER011H36
     K19Q07F KC2019 09 01.26275 22 02 28.59 -13 11 12.2          21.0 GUER011H36
     K19Q07F  C2019 09 01.35539 22 02 22.696-13 20 02.45         21.0 wUER011F51
     K19Q07F  C2019 09 01.35689 22 02 22.582-13 20 11.57         21.3 wUER011F51
     K19Q07F  C2019 09 01.36293 22 02 22.107-13 20 46.01         20.9 wUER011F51
     K19Q07F  C2019 09 01.37048 22 02 21.489-13 21 29.84         21.0 wUER011F51
     K19Q07F  C2019 09 01.37199 22 02 21.364-13 21 38.59         21.6 wUER011F51
     K19Q07F  C2019 09 01.38559 22 02 20.277-13 22 57.31         21.1 wUER011F51
     K19Q07F  C2019 09 01.39315 22 02 19.680-13 23 40.35         21.0 wUER011F51
     K19Q07F  C2019 09 01.40069 22 02 19.063-13 24 24.17         20.9 wUER011F51
     K19Q07F  C2019 09 01.40220 22 02 18.938-13 24 33.22         21.1 wUER011F51
     K19Q07F  C2019 09 01.40823 22 02 18.457-13 25 07.99         21.0 wUER011F51
     K19Q07F KC2019 09 02.22003622 01 22.14 -14 41 32.0          20.9 VuER011H21
     K19Q07F KC2019 09 02.22641 22 01 21.85 -14 42 05.3          21.3 GUER011H36
     K19Q07F KC2019 09 02.22876222 01 21.48 -14 42 19.7          21.4 VuER011H21
     K19Q07F KC2019 09 02.23624022 01 20.93 -14 43 01.4          21.0 VuER011H21
     K19Q07F KC2019 09 02.25233 22 01 19.96 -14 44 29.7          21.1 GUER011H36
     K19Q07F KC2019 09 02.26440 22 01 19.06 -14 45 41.0          20.8 GUER011H36

Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, M. 
   Willman.  Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J. 
   Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. 
   Wainscoat, R. Weryk, C.-K. Chang, W.-P. Chen, W.-H. Ip.  1.8-m 
   Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.  
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.81-m f/4.0 
   astrograph + CCD.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.

Orbital elements:
2019 QF7                                                 Earth MOID = 0.1400 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 Veres
M 344.58141              (2000.0)            P               Q
n   0.45338130     Peri.   80.47743     -0.45860952     +0.84349031
a   1.6781353      Node   155.19461     -0.81009285     -0.52618731
e   0.4999992      Incl.   41.80179     +0.36527644     -0.10793987
P   2.17           H   21.9           G   0.15           U   8
Residuals in seconds of arc
190831 F51  0.0   0.4+    190831 F51  0.1+  0.2+    190901 F51  0.1+  0.5+
190831 F51  0.0   0.3+    190831 F51  0.0   0.1-    190901 F51  0.0   0.2+
190831 F51  0.0   0.1-    190901 H36  0.1-  1.2-    190901 F51  0.1-  0.2-
190831 F51  0.1-  0.1-    190901 H36  0.0   0.1+    190901 F51  0.0   0.2-
190831 F51  0.0   0.4-    190901 H36  0.6-  0.7-    190902 H21  0.3-  0.2-
190831 F51  0.0   0.1-    190901 F51  0.1-  0.1+    190902 H36 (0.1+  1.5+)
190831 F51  0.0   0.4-    190901 F51  0.0   0.3-    190902 H21  0.3-  0.3+
190831 F51  0.0   0.2+    190901 F51  0.1+  0.2+    190902 H21  0.1-  0.2-
190831 F51  0.1-  0.1+    190901 F51  0.0   0.1+    190902 H36  1.0+  0.0
190831 F51  0.1+  0.1+    190901 F51  0.1-  0.0     190902 H36 (1.2+  4.9-)
190831 F51  0.1+  0.1+    190901 F51  0.0   0.1-

2019 QF7                                                                        
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 Veres                   
M 344.58141              (2000.0)            P               Q                  
n   0.45338130     Peri.   80.47743     -0.45860952     +0.84349031             
a   1.6781353      Node   155.19461     -0.81009285     -0.52618731             
e   0.4999992      Incl.   41.80179     +0.36527644     -0.10793987             
P   2.17           H   21.9           G   0.15           U   8                  
>From 30 observations 2019 Aug. 31-Sept. 2, mean residual 0".29.                 
                                                                                
Ephemeris:
2019 QF7                 a,e,i = 1.68, 0.50, 42                  q = 0.8391
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2019 08 03    23 01 43.5 +50 33 40   0.3391  1.1547   105.9    57.7    21.9
...
2019 08 18    22 25 41.1 +17 42 20   0.2927  1.2691   147.5    25.4    20.9
...
2019 08 26    22 11 10.1 -01 23 16   0.3228  1.3303   170.6     7.1    20.6
...
2019 09 01    22 02 47.8 -12 45 12   0.3703  1.3759   170.2     7.2    21.0
2019 09 02    22 01 37.3 -14 20 47   0.3800  1.3834   168.3     8.5    21.1
2019 09 03    22 00 30.6 -15 51 23   0.3900  1.3909   166.3     9.9    21.2
...
2019 09 09    21 55 09.2 -23 18 53   0.4578  1.4358   155.1    17.2    21.9
...
2019 09 17    21 51 18.2 -29 51 57   0.5636  1.4946   143.1    23.8    22.6
...
2019 10 02    21 52 34.7 -35 53 42   0.7908  1.6012   126.2    30.3    23.7

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-R11




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