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  • MPEC 2016-H52 : 2008 HU4

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    M.P.E.C. 2016-H52                                Issued 2016 Apr. 28, 11:01 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@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                       2008 HU4
    
                               Revision to MPEC 2008-J04
    
    Additional Observations:
         K08H04U 2C2016 04 26.56844219 06 28.773-22 53 56.69         21.6 RtEH052568
         K08H04U 2C2016 04 26.57702319 06 30.713-22 53 00.69         21.1 RtEH052568
         K08H04U 2C2016 04 26.57889419 06 31.132-22 52 48.42         21.3 RtEH052568
         K08H04U 2C2016 04 26.58072219 06 31.537-22 52 36.55         21.4 RtEH052568
         K08H04U 2C2016 04 27.59912619 13 57.378-20 56 25.02         21.7 RtEH052568
         K08H04U 2C2016 04 27.61048519 13 59.462-20 55 11.39         21.7 RtEH052568
    
    Observer details:
    568 Mauna Kea.  Observers D. Fohring, D. J. Tholen, Y. Ramanjooloo.  Measurer
        D. J. Tholen.  2.24-m University of Hawaii reflector.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    160426 568 0.04+ 0.00-    160427 568 0.04+ 0.01-    MPO140215   -0.013 day
    
    Orbital elements:
    2008 HU4                                                 Earth MOID = 0.0052 AU
    Epoch 2016 July 31.0 TT = JDT 2457600.5                 MPC
    M  95.25782              (2000.0)            P               Q
    n   0.88909013     Peri.  350.32659     -0.90043657     +0.43475965
    a   1.0711218      Node   215.45412     -0.39745403     -0.83545676
    e   0.0559462      Incl.    1.39013     -0.17676050     -0.33614884
    P   1.11           H   28.3           G   0.15           U   1
    Residuals in seconds of arc
    080430 703  1.2+  1.0-    080503 474  0.9+  0.9-    080528 291  0.2-  0.7+
    080430 703 (0.4+  3.1-)   080503 474  1.0+  0.7-    080529 291  0.2+  0.5-
    080430 703  0.2-  0.4-    080503 474  1.2+  0.8-    080529 291  0.4-  0.4-
    080430 703  2.1+  0.1-    080504 204  0.3+  0.7-    080529 291  0.4-  0.2-
    080430 703  0.5+  0.3+    080504 204  0.4+  0.5-    080530 291  1.3+  0.2+
    080430 703  0.8+  0.2-    080504 F85  0.7+  0.8-    080530 291  0.3-  0.5+
    080430 703  1.1+  0.4-    080504 F85  0.8+  0.9-    080601 291  1.9-  0.2+
    080430 703  1.3+  0.3+    080505 F85  1.0+  0.7-    080601 291  1.2+  0.8+
    080430 703  1.7+  0.0     080505 F85  0.8+  0.2-    080601 291  1.1-  0.8-
    080430 703  0.3-  0.4-    080505 F85  1.3+  1.2-    080602 291  0.5+  0.4+
    080501 703  0.0   0.6-    080510 H55  0.1+  0.2+    080602 291  2.0+  0.4+
    080501 703  0.3-  1.6-    080510 H55  1.3+  1.4+    080603 291  2.7+  0.4-
    080501 703  0.0   0.1-    080510 H55  0.4+  0.9+    080603 291  0.3-  0.2-
    080501 703  1.4+  0.7+    080510 H55  0.7+  0.1+    080606 291  0.6-  0.5-
    080501 703  1.5+  0.4-    080511 291  0.6-  0.6-    080606 291  0.0   0.2-
    080501 703  0.4+  0.4-    080511 291  0.2-  0.9+    080607 H01  0.0   0.1+
    080501 703  0.9+  0.8-    080511 291  0.3+  0.4-    080607 H01  0.1+  0.2+
    080501 703  0.6+  0.9-    080514 291  0.3+  0.0     080607 H01  0.2+  0.1+
    080501 854  0.1-  0.3-    080514 291  0.8-  0.7-    080610 H01  0.2+  0.1+
    080502 F85  1.0+  0.5-    080516 291  0.4+  0.4+    080610 H01  0.1+  0.1+
    080502 F85  1.5+  0.9-    080516 291  0.3-  0.9-    160426 568  0.0   0.1+
    080502 F85  0.7+  1.0-    080527 H55  0.5+  0.4+    160426 568  0.0   0.1+
    080503 J95  0.7+  0.3-    080527 H55  0.0   0.2+    160426 568  0.0   0.1+
    080503 J95  0.1+  0.0     080527 H55  0.2+  0.5-    160426 568  0.0   0.0
    080503 J95  1.0+  1.0-    080528 291  0.3-  0.9+    160427 568  0.0   0.1-
    080503 474  0.3+  0.7-    080528 291  0.1+  0.2+    160427 568  0.0   0.1-
    
    Ephemeris:
    2008 HU4                 a,e,i = 1.07, 0.06, 1                   q = 1.0112
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2016 03 29    12 06 44.7 -40 57 54   0.01982 1.0141   142.0    37.3    21.3
    ...
    2016 04 13    15 50 23.9 -48 21 31   0.01297 1.0112   130.4    49.1    20.7
    ...
    2016 04 21    18 10 21.8 -34 31 48   0.01319 1.0113   118.3    61.0    21.1
    ...
    2016 04 27    19 09 28.8 -21 57 54   0.01507 1.0120   110.9    68.3    21.6
    2016 04 28    19 16 35.2 -20 06 09   0.01547 1.0122   109.9    69.2    21.7
    2016 04 29    19 23 06.0 -18 19 28   0.01590 1.0124   109.1    70.0    21.8
    ...
    2016 05 05    19 52 30.3 -09 22 57   0.01876 1.0140   106.1    72.9    22.2
    ...
    2016 05 13    20 15 01.5 -01 12 44   0.02296 1.0170   105.8    72.9    22.7
    ...
    2016 05 28    20 33 56.0 +07 22 38   0.03084 1.0251   111.5    66.9    23.2
    
    A. U. Tomatic                (C) Copyright 2016 MPC           M.P.E.C. 2016-H52
    

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