[Iaude] MPEC O50: 2019 GU186 [a=42.00,e=0.22,i=25.7,H=7.99]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Thu Jul 25 14:03:45 EDT 2024


M.P.E.C. 2024-O50                                 Issued 2024 July 25, 18:02 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets, routine data on comets and natural satellites,
         and occasional editorial announcements.  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 GU186                                   


Additional Observations:
     K19GI6U 1C2013 02 08.47190010 33 15.23 +08 20 02.0                WEO050T09
     K19GI6U 1C2013 02 08.50776410 33 15.02 +08 20 03.0                WEO050T09
     K19GI6U 1C2013 02 08.55336110 33 14.77 +08 20 04.1                WEO050T09
     K19GI6U &C2016 01 13.34918710 52 43.38 +03 29 19.7          23.02rWEO050W84
     K19GI6U &C2017 03 25.10521310 52 08.16 +02 20 14.6                WEO050W84
     K19GI6U !C2017 03 25.19755 10 52 07.66 +02 20 17.0          23.7 V EO050W84
     K19GI6U !C2017 03 26.11048 10 52 02.80 +02 20 41.3                 EO050W84
     K19GI6U !C2017 03 26.18767 10 52 02.38 +02 20 43.4                 EO050W84
     K19GI6U 1C2019 01 04.60836811 09 54.71 -01 09 08.3                WEO050T09
     K19GI6U 1C2019 01 08.58132311 09 45.26 -01 09 29.3                WEO050T09
     K19GI6U &C2019 02 27.28163711 05 58.89 -00 59 20.3          23.17iWEO050W84

Observer details:
T09 Subaru Telescope, Maunakea.  Observer .  Measurer S. Deen.  8.3-m Subaru
    Telescope + CCD.
W84 Cerro Tololo-DECam.  Observers J. Carlin, Y. Choi, S. Sheppard, G.
    Rudnick.  Measurers S. Deen, F. Valdes.  4.0-m reflector + CCD, 4.0-m
    CTIO reflector.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
130208 T09 5.13- 3.28-    190227 W84 0.00- 0.00-    MPO840123  +13480 days

Orbital elements:
2019 GU186                                                                      
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5                 Alexandersen            
M  23.77935              (2000.0)            P               Q                  
n   0.00362116     Peri.  168.37162     -0.80997427     -0.55688439             
a  41.9988776      Node   334.90386     +0.49729836     -0.48596247             
e   0.2177973      Incl.   25.69619     +0.31086334     -0.67358760             
P 272              H    7.99          G   0.15           U   5                  
Residuals in seconds of arc
130208 T09  0.1-  0.1-    170326 W84  0.0   0.0     190315 T09  0.1+  0.1-
130208 T09  0.1-  0.1+    190104 T09  0.1+  0.1-    190315 T09  0.1-  0.0
130208 T09  0.2+  0.1+    190108 T09  0.1+  0.0     190315 T09  0.1+  0.0
160113 W84  0.1-  0.0     190227 W84  0.2-  0.1-    190405 T09  0.0   0.1+
170325 W84  0.0   0.0     190315 T09  0.1+  0.3+    190405 T09  0.1+  0.0
170325 W84  0.0   0.0     190315 T09  0.1-  0.0     190405 T09  0.0   0.0
170326 W84  0.1+  0.0     190315 T09  0.2-  0.0

Ephemeris:
2019 GU186               a,e,i = 42.00, 0.22, 26                 q = 32.8516
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 06 25    11 27 45.5 -07 52 28  34.1603 34.0386    82.3     1.7    23.5
...
2024 07 10    11 28 30.0 -07 54 34  34.4050 34.0439    68.4     1.6    23.5
...
2024 07 18    11 29 02.3 -07 56 48  34.5268 34.0467    61.1     1.5    23.5
...
2024 07 24    11 29 30.1 -07 58 59  34.6126 34.0488    55.6     1.4    23.5
2024 07 25    11 29 35.0 -07 59 23  34.6264 34.0491    54.7     1.4    23.5
2024 07 26    11 29 39.9 -07 59 48  34.6400 34.0495    53.8     1.4    23.5
...
2024 08 01    11 30 11.4 -08 02 32  34.7182 34.0516    48.3     1.3    23.5
...
2024 08 09    11 30 57.1 -08 06 48  34.8119 34.0544    41.1     1.1    23.5
...
2024 08 24    11 32 32.3 -08 16 34  34.9503 34.0597    27.9     0.8    23.5

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-O50





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