[Iaude] MPEC Y132: 2015 UH52 [a=0.85,e=0.39,i=4.7,H=26.1]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat Dec 26 10:01:18 EST 2020


M.P.E.C. 2020-Y132                            Issued 2020 December 26, 15:00 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

                                   2015 UH52                                    


                           Revision to MPEC 2015-U53                            

Additional Observations:
     K15U52H  C2019 12 01.49327605 25 57.316+42 20 27.59         23.87GVEY132T14
     K15U52H  C2019 12 01.49723405 25 55.518+42 20 30.98         23.92GVEY132T14
     K15U52H  C2019 12 01.50119605 25 53.701+42 20 34.31         23.86GVEY132T14
     K15U52H  C2019 12 01.50515305 25 51.906+42 20 37.65         24.08GVEY132T14
     K15U52H  C2019 12 01.50917905 25 50.069+42 20 40.98         24.24GVEY132T14
     K15U52H  C2019 12 01.51313805 25 48.270+42 20 44.28         23.96GVEY132T14
     K15U52H  C2019 12 01.51709505 25 46.470+42 20 47.54         23.75GVEY132T14
     K15U52H  C2019 12 02.43600905 19 04.867+42 33 19.09         23.71GVEY132T14
     K15U52H  C2019 12 02.44392805 19 01.184+42 33 25.19         23.68GVEY132T14
     K15U52H  C2019 12 03.50961005 11 02.020+42 45 21.48         23.75GVEY132T14
     K15U52H  C2019 12 03.51372605 11 00.075+42 45 23.66         23.61GVEY132T14

Observer details:
T14 Mauna Kea-UH/Tholen NEO Follow-Up (CFHT).  Observer H. Januszewski.
    Measurer D. J. Tholen.  3.6-m f/4.1 reflector + MegaCam.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
191201 T14 14.6-  1.1-    191203 T14 14.9-  1.8-    MPO361293   -0.00 days

Orbital elements:
2015 UH52                                                Earth MOID = 0.0006 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M 295.60825              (2000.0)            P               Q
n   1.25158302     Peri.  225.65233     -0.30752893     +0.95082513
a   0.8527655      Node    26.50289     -0.84785104     -0.25623541
e   0.3851588      Incl.    4.73608     -0.43194279     -0.17399707
P   0.79           H   26.1           G   0.15           U   4
Residuals in seconds of arc
151023 703  0.1+  0.0     151024 G96  0.7-  0.0     151103 568  0.1-  0.0
151023 703  1.1+  0.7+    151024 G96  0.3-  0.4-    151103 568  0.1+  0.0
151023 703  1.1+  0.3+    151024 G96  0.1-  0.2-    151103 568  0.0   0.1-
151023 703  0.0   0.6+    151024 926  0.2-  0.1+    151104 H21  0.2+  0.1-
151023 703  0.4+  0.4-    151024 926  0.3-  0.2+    151104 H21  0.1+  0.1-
151023 703  0.3-  0.9+    151024 I52  0.1+  0.3+    151104 H21  0.6+  0.1-
151023 703  0.7+  0.8-    151024 926  0.3+  0.3+    151106 291  1.7-  0.6+
151023 900  0.3-  0.1-    151024 I52  0.6-  0.2-    151106 291  1.8-  0.1-
151023 900  0.4+  0.2-    151024 I52  0.0   0.4+    151106 H01  0.0   0.1+
151023 900  1.1-  0.4-    151024 I52  0.2-  0.1-    151106 H01  0.1+  0.3+
151023 461  1.8-  0.3-    151024 F51  0.1-  0.2-    151106 291  1.3-  0.3-
151023 K51  0.0   0.2+    151024 F51  0.2-  0.2-    151106 H01  0.0   0.2+
151023 K51  0.1+  0.1+    151024 F51  0.1+  0.1-    151106 H01  0.1-  0.1+
151023 K51  0.3+  0.1+    151024 926  0.3+  0.1+    151106 568  0.1+  0.2+
151023 461  2.5-  0.1-    151024 926  0.2-  0.1-    151106 568  0.1+  0.2+
151023 C47  0.0   0.3-    151024 926  0.2-  0.1-    151107 705  0.2+  0.3-
151023 C47  0.5+  0.2-    151024 J95  0.5+  0.4-    151107 705  0.3+  0.1-
151023 C47  0.2+  0.1-    151024 J95  0.1-  0.3+    151107 705  0.3+  0.2-
151023 C47  0.2+  0.1-    151024 J95  0.3+  0.1-    191201 T14  0.0   0.0
151023 C47  0.1-  0.2-    151025 926  0.2+  0.4+    191201 T14  0.0   0.0
151023 203  0.3-  0.0     151025 926  0.1+  0.6+    191201 T14  0.1-  0.0
151024 595  0.6+  0.5+    151025 926  0.4-  0.3-    191201 T14  0.0   0.0
151024 595  0.5+  0.7+    151031 291  0.1+  0.1+    191201 T14  0.0   0.0
151024 595  0.5+  0.5+    151031 291  0.3-  0.3-    191201 T14  0.0   0.0
151024 203  0.2+  0.1+    151101 291  0.4+  0.1-    191201 T14  0.0   0.0
151024 I52  1.1-  0.3-    151101 291  0.6+  0.3+    191202 T14  0.1-  0.0
151024 I52  0.5-  0.3-    151103 H21  0.1+  0.6+    191202 T14  0.0   0.0
151024 I52  0.4-  0.3-    151103 H21  0.1+  0.0     191203 T14  0.1+  0.0
151024 I52  0.2+  0.1+    151103 H21  0.3+  0.1+    191203 T14  0.1+  0.0
151024 G96  0.4+  0.0     151103 568  0.1-  0.0

Ephemeris:
2015 UH52                a,e,i = 0.85, 0.39, 5                   q = 0.5243
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 26    12 20 41.6 +03 04 36   0.9407  0.9718    60.5    62.1    28.1
...
2020 12 11    13 35 01.3 -05 12 03   0.8925  0.8752    55.3    67.7    27.9
...
2020 12 19    14 19 27.3 -09 52 41   0.8885  0.8175    51.5    70.3    27.9
...
2020 12 25    14 55 04.6 -13 17 20   0.8979  0.7721    48.2    71.7    27.8
2020 12 26    15 01 12.1 -13 50 14   0.9006  0.7644    47.6    71.9    27.8
2020 12 27    15 07 22.9 -14 22 40   0.9036  0.7567    47.0    72.0    27.8
...
2021 01 02    15 45 32.2 -17 25 05   0.9288  0.7101    43.5    72.3    27.7
...
2021 01 10    16 39 01.7 -20 43 48   0.9816  0.6491    38.6    70.9    27.6
...
2021 01 25    18 24 48.1 -23 40 42   1.1347  0.5548    29.3    60.2    27.2

A. U. Tomatic                (C) Copyright 2020 MPC           M.P.E.C. 2020-Y132




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