[Iaude] MPEC C04: 2014 YW34 [a=1.41,e=0.43,i=6.0,H=21.6,PHA]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Fri Feb 2 09:49:35 EST 2018


M.P.E.C. 2018-C04                                Issued 2018 Feb. 2, 14:44 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


                                   2014 YW34
 
                           Revision to MPEC 2014-Y86
 
Additional Observations:
     K14Y34W KC2017 03 23.46881912 18 36.821-12 13 53.16         23.53GUEC004T12
     K14Y34W  C2017 04 01.47760112 02 51.682-10 51 32.14         23.80GUEC004T12
     K14Y34W  C2017 04 01.48964412 02 50.416-10 51 25.03         23.62GUEC004T12
 
Observer details:
T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observers Z. Claytor,
    Y. Ramanjooloo.  Measurer D. J. Tholen.  2.24-m f/10.1 reflector + CCD.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
170323 T12 35.7+ 16.8-    170401 T12 35.2+ 17.4-    MPO342304   -0.023 day
 
Orbital elements:
2014 YW34                                           PHA, Earth MOID = 0.0254 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M  22.93423              (2000.0)            P               Q
n   0.59061698     Peri.   57.27068     +0.97611351     -0.20388744
a   1.4069071      Node   314.36873     +0.14699052     +0.87412001
e   0.4255528      Incl.    6.02629     +0.15998812     +0.44084477
P   1.67           H   21.6           G   0.15           U   2
Residuals in seconds of arc
141227 F51  0.0   0.1-    150110 H21  0.2+  0.2+    150117 H21  0.4+  0.4-
141227 F51  0.2+  0.0     150110 H21  0.1+  0.1-    150117 H21  0.2+  0.2-
141227 F51  0.0   0.2+    150110 291  0.2-  0.3+    150123 568  0.0   0.0
141227 F51  0.5+  0.4-    150110 291  0.1-  0.3+    150123 568  0.0   0.0
141228 H36  0.4+  0.2-    150110 291  0.4-  0.3+    150207 291  0.2+  0.0
141228 H36  0.4-  0.2-    150111 705  0.3-  0.1+    150207 291  0.1+  0.1+
141228 291  0.3-  0.1+    150111 705  1.1+  0.3+    150207 291  0.0   0.0
141228 291  0.1-  0.3+    150111 705  0.7-  0.2-    150210 G96  0.2-  0.5-
141228 291  0.8-  0.5+    150113 204  0.2+  0.1+    150210 G96  0.1+  0.0
141229 H01  0.2-  0.3-    150113 204  0.2-  0.0     150210 G96  0.4+  0.3-
141229 H01  0.1-  0.2-    150113 204  0.1+  0.0     150210 G96  0.2+  0.3-
141230 I93  0.7-  0.2+    150113 H21  0.0   0.0     150217 291  0.4+  0.4-
141230 I93  1.0-  0.1-    150113 H21  0.3-  0.3+    150217 291  0.3-  0.5+
141230 I93  0.2-  0.2+    150113 H21  0.2-  0.4+    150217 291  0.8-  0.2-
141231 H21  0.7+  0.2-    150116 F51  0.2+  0.1+    170323 T12  0.0   0.0
141231 H21  0.2-  0.3-    150116 F51  0.1+  0.1+    170401 T12  0.0   0.0
141231 H21  0.0   0.1+    150116 F51  0.1+  0.0     170401 T12  0.0   0.0
150110 H21  0.2+  0.1-    150117 H21  0.3+  0.2-

Ephemeris:
2014 YW34                a,e,i = 1.41, 0.43, 6                   q = 0.8082
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 01 03    19 57 56.5 -20 44 24   1.8562  0.9424    15.1    15.8    23.7
...
2018 01 18    21 04 31.2 -15 45 09   1.7638  0.8656    16.4    18.7    23.5
...
2018 01 26    21 40 47.7 -12 20 46   1.7184  0.8358    17.7    21.0    23.4
...
2018 02 01    22 08 14.2 -09 30 07   1.6872  0.8201    18.9    22.9    23.4
2018 02 02    22 12 49.6 -09 00 26   1.6823  0.8181    19.2    23.3    23.4
2018 02 03    22 17 25.3 -08 30 26   1.6775  0.8162    19.4    23.6    23.4
...
2018 02 09    22 45 05.2 -05 24 38   1.6508  0.8092    20.9    25.7    23.4
...
2018 02 17    23 22 13.3 -01 06 15   1.6218  0.8104    23.0    28.5    23.4
...
2018 03 04    00 32 34.3 +06 59 07   1.5928  0.8446    27.3    32.6    23.6

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-C04



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