[Iaude] MPEC B83: 2017 UY44 [a=1.90,e=0.36,i=22.0,H=20.0]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Fri Jan 25 19:21:16 EST 2019


M.P.E.C. 2019-B83                                Issued 2019 Jan. 26, 00:18 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


                                   2017 UY44
 
                           Revision to MPEC 2017-V09
 
Additional Observations:
     K17U44Y  C2014 07 01.31829415 14 21.509-22 09 54.74         22.7 GVEB083F51
     K17U44Y  C2014 07 01.32955615 14 21.158-22 09 42.73         22.6 GVEB083F51
     K17U44Y  C2014 07 01.34083315 14 20.816-22 09 30.98         22.5 GVEB083F51
     K17U44Y  C2014 07 01.35209415 14 20.462-22 09 18.97         22.5 GVEB083F51
     K17U44Y  C2014 07 26.26588515 16 24.108-16 18 45.24         22.7 GVEB083F51
     K17U44Y  C2014 07 26.27788315 16 24.450-16 18 37.57         22.5 GVEB083F51
 
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
140701 F51 21.0-  3.5-    140726 F51 16.9-  5.0-    MPO435142   -0.011 day
 
Orbital elements:
2017 UY44                                                Earth MOID = 0.3791 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M 233.14238              (2000.0)            P               Q
n   0.37700480     Peri.  106.71250     +0.92324745     -0.10484219
a   1.8977462      Node   260.49788     -0.01704842     +0.94992123
e   0.3633007      Incl.   22.00988     +0.38382744     +0.29437693
P   2.61           H   20.0           G   0.15           U   2
Residuals in seconds of arc
140701 F51  0.0   0.1-    171030 I52  0.3+  0.1-    171112 711  0.0   0.3+
140701 F51  0.0   0.1+    171030 I52  0.5+  0.4-    171114 G96  0.3-  0.5-
140701 F51  0.0   0.1-    171030 711  0.4-  0.6+    171114 G96  0.2-  0.3-
140701 F51  0.1-  0.0     171030 711  0.7-  0.1+    171114 G96  0.4+  0.1+
140726 F51  0.3+  0.1+    171030 711  0.5-  0.1-    171124 G96  0.4-  0.6-
140726 F51  0.2-  0.1+    171030 291  0.1+  0.7+    171124 G96  0.1-  0.1-
171027 F51  0.0   0.1+    171030 291  0.1-  0.1-    171124 G96  0.0   0.3+
171027 F51  0.1-  0.1+    171030 926  0.0   0.3+    171124 G96  0.1-  0.5-
171029 F51  0.3+  0.1-    171030 926  0.3+  0.0     171214 I52  0.2+  0.0
171029 F51  0.1-  0.3-    171102 926  0.3-  0.4+    171214 I52  0.2-  0.1+
171029 F51  0.0   0.1-    171102 926  0.1-  0.1-    171214 I52  0.1+  0.1+
171029 F51  0.0   0.1-    171102 926  0.4-  0.5+    180115 711  0.1+  0.2+
171030 I52  0.4+  0.4-    171112 711  0.4+  0.1-    180115 711  0.2+  0.1+
171030 I52  0.1+  0.0     171112 711  0.4+  0.1+    180115 711  0.3+  0.0

Ephemeris:
2017 UY44                a,e,i = 1.90, 0.36, 22                  q = 1.2083
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 12 27    13 36 10.5 -29 48 30   2.8755  2.5840    63.1    19.8    25.3
...
2019 01 11    13 54 17.9 -32 20 46   2.6863  2.5774    73.0    21.4    25.2
...
2019 01 19    14 02 56.2 -33 38 45   2.5793  2.5724    78.6    22.0    25.2
...
2019 01 25    14 08 49.7 -34 35 29   2.4972  2.5679    82.9    22.4    25.1
2019 01 26    14 09 45.4 -34 44 46   2.4833  2.5671    83.6    22.4    25.1
2019 01 27    14 10 40.0 -34 54 01   2.4695  2.5663    84.3    22.4    25.1
...
2019 02 02    14 15 45.3 -35 48 27   2.3858  2.5611    88.7    22.6    25.0
...
2019 02 10    14 21 24.7 -36 57 41   2.2736  2.5533    94.8    22.6    24.9
...
2019 02 25    14 27 46.7 -38 53 45   2.0658  2.5358   106.8    21.9    24.7

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-B83



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