[Iaude] MPEC A222: 2016 UL41 [a=1.62,e=0.27,i=14.0,H=22.9]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sun Jan 13 22:15:16 EST 2019


M.P.E.C. 2019-A222                               Issued 2019 Jan. 14, 03:12 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


                                   2016 UL41
 
                           Revision to MPEC 2016-U99
 
Additional Observations:
     K16U41L  C2014 10 25.62839905 01 39.283+22 31 31.69         22.6 GVEA222F51
     K16U41L  C2014 11 21.47549804 35 24.086+06 56 07.05         22.2 GVEA222F51
     K16U41L  C2014 11 21.48767104 35 22.994+06 55 46.21         22.0 GVEA222F51
     K16U41L  C2014 11 21.49976304 35 21.919+06 55 25.23         22.2 GVEA222F51
     K16U41L  C2014 11 21.51188904 35 20.839+06 55 04.30         22.5 GVEA222F51
     K16U41L  C2014 11 23.48475904 32 42.048+05 59 59.68         23.0 GVEA222F51
     K16U41L  C2014 11 23.49694104 32 40.969+05 59 40.47         23.1 GVEA222F51
 
Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe,
    E. Magnier, A. Schultz, M. Willman.  Measurers S. Chastel, M. Huber,
    Y. Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
141025 F51 21.4+  5.0-    141123 F51 24.3+  0.3+    MPO397884   +0.0039 day
 
Orbital elements:
2016 UL41                                                Earth MOID = 0.2455 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M 100.41376              (2000.0)            P               Q
n   0.47973735     Peri.  127.29297     +0.97113564     +0.17077887
a   1.6160955      Node   223.59227     -0.20611720     +0.95218464
e   0.2654366      Incl.   13.97545     +0.12004695     +0.25333573
P   2.05           H   22.9           G   0.15           U   2
Residuals in seconds of arc
141025 F51  0.2-  0.1-    161026 291  0.1+  0.6+    161027 926  0.3-  0.6+
141121 F51  0.2+  0.2-    161026 291  0.2-  0.1-    161029 926  0.1+  0.1-
141121 F51  0.1+  0.0     161026 568  0.1-  0.1-    161029 926  0.2-  0.1+
141121 F51  0.1+  0.1-    161026 568  0.1-  0.1-    161029 926  0.2-  0.3+
141121 F51  0.1+  0.1-    161026 568  0.1-  0.1-    161102 G96  0.7+  0.0
141123 F51  0.2-  0.0     161027 I52  0.1+  0.1+    161102 G96  0.5+  0.4-
141123 F51  0.2-  0.6+    161027 I52  0.1+  0.6+    161102 G96  0.2+  0.5+
161025 F51  0.1+  0.1-    161027 I52  0.3-  0.5-    161102 G96  0.6+  0.2+
161025 F51  0.0   0.1-    161027 I52  0.3-  0.9-    161107 H21  0.1-  0.3-
161025 F51  0.1+  0.1-    161027 H01  0.3+  0.3-    161107 H21  0.1-  0.3-
161025 F51  0.1+  0.1-    161027 H01  0.1+  0.1-    161107 H21  0.5-  0.5-
161026 926  0.0   0.1-    161027 H01  0.2+  0.2-    161128 807  0.1-  0.1-
161026 926  0.1-  0.1+    161027 H01  0.1+  0.3-    161128 807  0.0   0.1+
161026 926  0.4-  0.0     161027 926  0.5-  0.1+    161128 807  0.1+  0.1+
161026 291  0.0   0.3+    161027 926  0.4-  0.1+

Ephemeris:
2016 UL41                a,e,i = 1.62, 0.27, 14                  q = 1.1871
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 12 15    00 22 34.6 -01 21 26   0.7117  1.3285   101.9    46.5    24.5
...
2018 12 30    01 08 12.9 -00 10 34   0.8453  1.3793    97.6    45.0    25.0
...
2019 01 07    01 30 54.2 +00 44 53   0.9232  1.4077    95.1    44.1    25.2
...
2019 01 13    01 47 20.3 +01 31 41   0.9842  1.4295    93.2    43.4    25.3
2019 01 14    01 50 02.1 +01 39 48   0.9946  1.4332    92.9    43.3    25.3
2019 01 15    01 52 43.2 +01 48 00   1.0050  1.4368    92.5    43.1    25.4
...
2019 01 21    02 08 36.3 +02 38 30   1.0685  1.4589    90.5    42.4    25.5
...
2019 01 29    02 29 15.9 +03 47 54   1.1557  1.4887    87.7    41.4    25.7
...
2019 02 13    03 06 51.9 +05 57 59   1.3254  1.5445    82.4    39.3    26.0

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-A222



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