[Iaude] MPEC B35: 2008 SD [a=2.04,e=0.74,i=17.3,H=19.5]

mpec at si.edu mpec at si.edu
Sat Jan 21 16:15:35 EST 2017


M.P.E.C. 2017-B35                                Issued 2017 Jan. 21, 21:12 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 http://www.minorplanetcenter.net/    ISSN 1523-6714


                                    2008 SD
 
                           Revision to MPEC 2008-S16
 
Additional Observations:
     K08S00D KC2017 01 21.16129 12 04 42.45 +50 20 27.5                qEB035J95
     K08S00D KC2017 01 21.16684 12 04 43.53 +50 20 39.3                qEB035J95
     K08S00D KC2017 01 21.17231 12 04 44.58 +50 20 51.0          20.2 RqEB035J95
     K08S00D bC2017 01 21.77773 12 06 45.77 +50 42 15.0                qEB035J95
     K08S00D KC2017 01 21.82233 12 06 55.13 +50 43 52.8                qEB035J95
     K08S00D KC2017 01 21.83646 12 06 58.00 +50 44 24.6          20.1 RqEB035J95
 
Observer details:
J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
    + CCD.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
170121 J95 2.99+ 1.72-    170121 J95 3.05+ 1.75-    MPO147478   -2.3 day
 
Orbital elements:
2008 SD                                                  Earth MOID = 0.2049 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
M 342.39105              (2000.0)            P               Q
n   0.33902950     Peri.  220.01505     -0.40250060     +0.90537617
a   2.0369376      Node    27.07493     -0.74539859     -0.23839579
e   0.7386744      Incl.   17.28400     -0.53138895     -0.35137081
P   2.91           H   19.5           G   0.15           U   3
Residuals in seconds of arc
080919 E12  0.2+  0.2-    080921 E12  0.0   0.0     081018 291  0.6-  0.1+
080919 E12  0.2+  0.4+    080921 E12  0.2+  0.7+    081018 291  0.3-  0.0
080919 E12  0.2+  0.2+    080925 E12  0.0   0.1+    081018 291  0.1+  0.2+
080919 E12  0.0   0.4-    080925 E12  0.0   0.0     170121 J95  0.0   0.2-
080920 E12  0.0   0.0     081003 E12  0.3+  0.3-    170121 J95  0.2+  0.2-
080920 E12  0.2+  0.1+    081003 E12  0.0   0.0     170121 J95  0.3+  0.1-
080920 E12  0.0   0.1-    081007 448  0.2-  0.0     170121 J95  0.9-  0.1+
080920 E12  0.2+  0.0     081007 448  0.7+  0.4-    170121 J95  0.4+  0.2-
080920 E12  0.0   0.1+    081007 448  0.5+  0.6+    170121 J95  0.0   0.4+
080920 E12  0.1-  0.2-    081018 448  0.9-  0.7-
080921 E12  0.1+  0.1-    081018 448  1.4-  0.9-

Ephemeris:
2008 SD                  a,e,i = 2.04, 0.74, 17                  q = 0.5323
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2016 12 22    10 55 42.2 +39 04 36   1.0391  1.7239   116.9    30.6    22.1
...
2017 01 06    11 25 20.0 +43 18 15   0.7886  1.5643   123.6    31.6    21.3
...
2017 01 14    11 44 03.6 +46 34 49   0.6670  1.4746   125.5    32.9    20.8
...
2017 01 20    12 00 59.2 +49 40 09   0.5819  1.4052   125.7    34.7    20.5
2017 01 21    12 04 10.6 +50 14 45   0.5683  1.3935   125.6    35.1    20.4
2017 01 22    12 07 30.2 +50 50 30   0.5548  1.3817   125.4    35.5    20.4
...
2017 01 28    12 31 17.3 +54 50 37   0.4774  1.3099   123.4    38.9    20.0
...
2017 02 05    13 22 13.4 +61 19 59   0.3843  1.2113   117.3    46.3    19.6
...
2017 02 20    18 06 30.3 +66 41 19   0.2542  1.0188    89.5    76.1    19.2

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-B35




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