[Iaude] MPEC M86: 2019 UH12 [a=52.39,e=0.85,i=47.1,H=10.6]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Tue Jun 23 10:29:54 EDT 2020


M.P.E.C. 2020-M86                                 Issued 2020 June 23, 14:27 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                   2019 UH12                                    


                           Revision to MPEC 2019-U277                           

Additional Observations:
     K19U12H &C2018 01 07.04423200 27 41.09 -42 59 38.6          20.5 gVEM086W84
     K19U12H &C2018 01 07.04637100 27 41.14 -42 59 37.5          20.6 gVEM086W84
     K19U12H &C2018 01 07.04857700 27 41.17 -42 59 36.5          19.7 rVEM086W84
     K19U12H &C2018 01 07.05094100 27 41.22 -42 59 35.4          19.5 iVEM086W84
     K19U12H &C2018 01 07.05358400 27 41.26 -42 59 34.3          19.6 zVEM086W84
     K19U12H &C2018 01 07.05622100 27 41.31 -42 59 32.9          19.4 zVEM086W84
     K19U12H &C2018 09 11.38425302 05 47.58 -31 51 52.7          20.0 rVEM086W84
     K19U12H &C2018 09 11.38563502 05 47.55 -31 51 52.9          20.3 gVEM086W84
     K19U12H &C2018 11 16.03559901 39 19.34 -31 10 19.4          19.3 zVEM086W84
     K19U12H &C2018 11 16.03696801 39 19.31 -31 10 19.1          19.9 iVEM086W84
     K19U12H 1C2019 11 27.14154002 25 32.465-10 23 03.84         19.8 GVEM086G37
     K19U12H 1C2019 11 27.21427002 25 30.985-10 22 52.34               VEM086G37
     K19U12H KC2019 12 22.43462702 18 48.76 -08 57 35.1          19.3 GVEM086474
     K19U12H KC2019 12 22.43814702 18 48.77 -08 57 34.4          19.0 GVEM086474
     K19U12H KC2019 12 22.45212402 18 48.58 -08 57 31.2          19.3 GVEM086474
     K19U12H KC2019 12 22.45564402 18 48.57 -08 57 30.1          19.5 GVEM086474
     K19U12H  C2020 01 20.22729 02 16 54.413-06 44 12.63         20.4 wUEM086F52
     K19U12H  C2020 01 20.23971 02 16 54.452-06 44 08.84         20.3 wUEM086F52
     K19U12H  C2020 01 20.25211 02 16 54.477-06 44 05.14         20.3 wUEM086F52
     K19U12H  C2020 01 20.26449 02 16 54.523-06 44 01.29         20.3 wUEM086F52
     K19U12H KC2020 01 21.13936 02 16 57.14 -06 39 33.5          20.1 GVEM086X01
     K19U12H KC2020 01 21.14461 02 16 57.17 -06 39 31.8          20.0 GVEM086X01
     K19U12H  C2020 01 26.23075 02 17 19.577-06 13 21.08         20.3 wUEM086F52
     K19U12H  C2020 01 26.24193 02 17 19.639-06 13 17.58         20.4 wUEM086F52
     K19U12H  C2020 01 26.25304 02 17 19.695-06 13 14.07         20.3 wUEM086F52
     K19U12H  C2020 01 26.26416 02 17 19.752-06 13 10.68         20.3 wUEM086F52

Observer details:
474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore, P. M.
    Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Dukes, 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.  1.8-m Ritchey-Chretien + CCD.
G37 Lowell Discovery Telescope.  Observer L. H. Wasserman.  4.3-m Discovery
    Channel Telescope + CCD.
W84 Cerro Tololo-DECam.  Observer .  Measurer S. Deen.  4.0-m reflector + CCD.
X01 Observatory Hurtado, El Sauce.  Observer N. Dunckel.  0.6-m f/6.5
    Corrected Dall-Kirkham + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
180107 W84  1.3-  1.6-    200126 F52  0.0-  0.0-    MPO545151   +0.04 days

Orbital elements:
2019 UH12
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Pike
M   1.66091              (2000.0)            P               Q
n   0.00259926     Peri.  304.08321     +0.78244879     +0.15442976
a  52.3885195      Node    55.50155     +0.37165993     +0.66148505
e   0.8490841      Incl.   47.05337     -0.49964267     +0.73388622
P 379              H   10.6           G   0.15           U   0
Residuals in seconds of arc
180107 W84  0.1-  0.0     191028 T08  0.4+  0.1-    191128 F51  0.0   0.0
180107 W84  0.0   0.1+    191028 T08  0.1+  0.8-    191128 F51  0.0   0.0
180107 W84  0.1-  0.1+    191028 T08  0.3+  0.5+    191222 474  0.5-  0.1-
180107 W84  0.0   0.0     191028 Q62  0.0   0.2-    191222 474  0.2+  0.2-
180107 W84  0.0   0.1-    191028 Q62  0.2+  0.0     191222 474  0.3-  0.5-
180107 W84  0.0   0.0     191029 G40  0.1-  0.0     191222 474  0.1+  0.2-
180911 W84  0.2+  0.1-    191029 G40  0.3+  0.5-    200120 F52  0.1-  0.1+
180911 W84  0.1+  0.1-    191029 711  0.5-  0.1-    200120 F52  0.0   0.2+
181116 W84  0.1-  0.1+    191029 711  0.1-  0.1+    200120 F52  0.1-  0.1+
181116 W84  0.0   0.1+    191029 711  0.6-  0.3-    200120 F52  0.2+  0.1+
191006 F51  0.2+  0.0     191029 568  0.2+  0.0     200121 X01  0.0   0.1-
191006 F51  0.2+  0.0     191029 568  0.2+  0.0     200121 X01  0.2+  0.0
191027 F52  0.1+  0.0     191029 568  0.2+  0.0     200126 F52  0.0   0.1+
191027 F52  0.1+  0.0     191121 F51  0.0   0.0     200126 F52  0.0   0.1+
191027 F52  0.1+  0.0     191121 F51  0.0   0.0     200126 F52  0.0   0.1+
191027 F52  0.1+  0.0     191121 F51  0.1+  0.0     200126 F52  0.0   0.1+
191027 J95  0.2+  0.2+    191121 F51  0.2+  0.1-    200130 568  0.0   0.0
191028 J95  0.4-  0.1-    191127 G37  0.1-  0.1+    200130 568  0.0   0.0
191028 J95  0.6-  0.1+    191127 G37  0.5+  0.1+    200130 568  0.0   0.0
191028 T08  0.1-  0.0     191128 F51  0.1+  0.0     200226 568  0.1+  0.1+
191028 T08  0.8-  0.1-    191128 F51  0.1+  0.0     200226 568  0.1+  0.1+

Ephemeris:
2019 UH12                a,e,i = 52.39, 0.85, 47                 q = 7.9063
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 05 24    03 00 54.5 +03 24 28   9.5801  8.6581    23.2     2.6    20.5
...
2020 06 08    03 07 36.5 +04 15 27   9.5154  8.6919    34.0     3.7    20.5
...
2020 06 16    03 10 57.9 +04 39 49   9.4622  8.7102    40.1     4.3    20.6
...
2020 06 22    03 13 21.1 +04 56 47   9.4143  8.7241    44.9     4.7    20.6
2020 06 23    03 13 44.3 +04 59 30   9.4057  8.7264    45.7     4.8    20.6
2020 06 24    03 14 07.2 +05 02 12   9.3970  8.7287    46.5     4.8    20.6
...
2020 06 30    03 16 19.9 +05 17 40   9.3409  8.7427    51.4     5.2    20.6
...
2020 07 08    03 19 02.6 +05 36 33   9.2576  8.7614    58.0     5.6    20.6
...
2020 07 23    03 23 17.1 +06 06 45   9.0795  8.7970    70.8     6.3    20.6

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-M86




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