[Iaude] MPEC X196: 2019 KQ5 [a=1.69,e=0.60,i=4.9,H=21.7]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat Dec 11 09:07:22 EST 2021


M.P.E.C. 2021-X196                            Issued 2021 December 11, 14:06 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 KQ5                                    


                           Revision to MPEC 2019-L59                            

Additional Observations:
     K19K05Q  C2016 10 10.49101 07 01 07.80 +30 52 19.2          21.4 GVEX196G96
     K19K05Q  C2016 10 10.49606 07 01 10.98 +30 52 11.2                VEX196G96
     K19K05Q  C2016 10 10.50108 07 01 14.26 +30 52 05.1          21.2 GVEX196G96
     K19K05Q  C2016 10 10.50618 07 01 17.51 +30 51 58.1                VEX196G96
     K19K05Q &C2018 09 14.13555022 50 39.52 +03 29 16.0                VEX196W84
     K19K05Q &C2019 04 30.25968817 03 37.76 -30 03 03.5                VEX196W84
     K19K05Q &C2019 04 30.26076417 03 37.39 -30 03 01.8                VEX196W84
     K19K05Q &C2019 04 30.26156317 03 37.13 -30 03 00.6                VEX196W84
     K19K05Q &C2019 04 30.26261617 03 36.79 -30 02 59.0                VEX196W84
     K19K05Q &C2019 05 01.23199116 58 34.33 -29 38 23.3                VEX196W84
     K19K05Q &C2019 05 13.28465316 07 18.14 -24 40 23.6                VEX196W84
     K19K05Q &C2019 05 13.28569416 07 17.92 -24 40 22.2                VEX196W84
     K19K05Q &C2019 05 15.33813716 00 37.35 -23 54 41.2                VEX196W84
     K19K05Q &C2019 05 15.33952516 00 37.08 -23 54 39.3                VEX196W84

Observer details:
G96 Mt. Lemmon Survey.  Observer R. G. Matheny.  Measurers E. J. Christensen,
    B. Gray, D. Rankin, F. C. Shelly.  1.5-m reflector + 10K CCD.
W84 Cerro Tololo-DECam.  Observer .  Measurer S. Deen.  4.0-m reflector + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
161010 G96 0.06+ 0.02+    190515 W84 0.00+ 0.00+    MPO473669   -0.04 days

Orbital elements:
2019 KQ5                                            PHA, Earth MOID = 0.0326 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M 119.92058              (2000.0)            P               Q                  
n   0.44896536     Peri.  238.63724     -0.57272538     -0.81598392             
a   1.6891213      Node   246.50418     +0.77816965     -0.51108587             
e   0.6016372      Incl.    4.90781     +0.25775498     -0.27011384             
P   2.20           H   21.70          G   0.15           U   1                  
Residuals in seconds of arc
161010 G96  0.2-  0.1-    190515 W84  0.2+  0.1-    190604 V06  0.4+  0.1+
161010 G96 (0.8-  1.0-)   190530 F51  0.0   0.1+    190604 V06  0.1+  0.0
161010 G96  0.1+  0.2-    190530 F51  0.1-  0.1+    190605 V06  0.5+  0.1+
161010 G96  0.0   0.0     190530 F51  0.1+  0.1-    190605 V06  0.2-  0.0
180914 W84  0.2-  0.1+    190601 F51  0.0   0.0     190605 V06  0.1-  0.4-
190430 W84  0.1+  0.1-    190601 F51  0.0   0.1-    190605 V06  0.1-  0.2+
190430 W84  0.1-  0.0     190601 F51  0.2-  0.0     190612 695  0.0   0.2+
190430 W84  0.0   0.0     190601 F51  0.0   0.0     190612 695  0.0   0.1-
190430 W84  0.0   0.0     190602 474  0.2+  0.1-    190612 695  0.0   0.0
190501 W84  0.3-  0.1-    190602 474  0.0   0.0     190623 695  0.2-  0.2+
190513 W84  0.1+  0.0     190602 474  0.9+  0.2+    190623 695  0.2-  0.1+
190513 W84  0.1+  0.0     190604 V06  0.0   0.2+    190623 695  0.2-  0.1+
190515 W84  0.2+  0.1-    190604 V06  0.2+  0.1-

Ephemeris:
2019 KQ5                 a,e,i = 1.69, 0.60, 5                   q = 0.6729
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 11    17 11 18.7 -21 25 04   2.9699  2.1720    30.2    13.3    26.5
...
2021 11 26    17 41 05.4 -21 40 46   3.1345  2.2502    22.0     9.5    26.6
...
2021 12 04    17 56 36.2 -21 40 32   3.2095  2.2891    17.6     7.5    26.6
...
2021 12 10    18 08 03.8 -21 36 37   3.2594  2.3170    14.2     6.0    26.6
2021 12 11    18 09 57.5 -21 35 39   3.2672  2.3216    13.6     5.7    26.6
2021 12 12    18 11 50.8 -21 34 37   3.2748  2.3261    13.0     5.5    26.6
...
2021 12 18    18 23 05.4 -21 26 34   3.3171  2.3526     9.6     4.0    26.5
...
2021 12 26    18 37 49.2 -21 11 15   3.3643  2.3863     5.1     2.1    26.5
...
2022 01 10    19 04 34.9 -20 29 23   3.4233  2.4447     4.8     1.9    26.5

A. U. Tomatic                (C) Copyright 2021 MPC           M.P.E.C. 2021-X196




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