[Iaude] MPEC U46: 1996 TD9 [a=1.33,e=0.40,i=5.0,H=23.7]

mpec at si.edu mpec at si.edu
Sun Oct 23 13:26:52 EDT 2016


M.P.E.C. 2016-U46                                Issued 2016 Oct. 23, 17:21 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


                                   1996 TD9
 
                           Revision to MPEC 1996-T07
 
Additional Observations:
     J96T09D  C2016 10 20.13263 22 53 03.57 -03 58 17.2          20.5 VqEU046G96
     J96T09D  C2016 10 20.13694 22 53 05.94 -03 58 15.5          20.3 VqEU046G96
     J96T09D  C2016 10 20.14126 22 53 08.20 -03 58 15.0          20.8 VqEU046G96
     J96T09D  C2016 10 20.14560 22 53 10.60 -03 58 13.5          20.7 VqEU046G96
     J96T09D  C2016 10 20.21007 22 53 45.31 -03 57 52.3          20.6 VqEU046G96
     J96T09D  C2016 10 20.21052 22 53 45.54 -03 57 53.6                qEU046G96
     J96T09D  C2016 10 20.21094 22 53 45.74 -03 57 51.9          21.1 VqEU046G96
     J96T09D  C2016 10 20.21135 22 53 45.97 -03 57 52.3          20.5 VqEU046G96
     J96T09D  C2016 10 20.27958 22 54 22.58 -03 57 28.9          20.3 RoEU046926
     J96T09D  C2016 10 20.28295 22 54 24.42 -03 57 26.7          20.6 RoEU046926
     J96T09D KC2016 10 20.28310 22 54 24.54 -03 57 27.5                oEU046291
     J96T09D KC2016 10 20.28498 22 54 25.55 -03 57 26.9          19.6 RoEU046291
     J96T09D  C2016 10 20.28630 22 54 26.23 -03 57 25.8          20.5 RoEU046926
     J96T09D KC2016 10 20.28685 22 54 26.57 -03 57 25.9                oEU046291
     J96T09D  C2016 10 20.30570 22 54 36.65 -03 57 20.4          20.7 VqEU046G96
     J96T09D  C2016 10 20.30616 22 54 36.92 -03 57 20.2          20.6 VqEU046G96
     J96T09D  C2016 10 20.30661 22 54 37.19 -03 57 19.6          21.8 VqEU046G96
     J96T09D  C2016 10 20.30711 22 54 37.40 -03 57 20.8          20.9 VqEU046G96
     J96T09D KC2016 10 20.78568 22 59 01.77 -03 54 58.7                qEU046J95
     J96T09D KC2016 10 20.82222 22 59 20.70 -03 54 47.8                qEU046J95
     J96T09D FC2016 10 20.82956 22 59 24.48 -03 54 44.1          20.9 RqEU046J95
     J96T09D  C2016 10 21.13065 23 02 01.69 -03 52 48.5          21.2 VqEU046G96
     J96T09D  C2016 10 21.13141 23 02 02.13 -03 52 48.5          20.5 VqEU046G96
     J96T09D  C2016 10 21.13217 23 02 02.45 -03 52 48.2          20.7 VqEU046G96
     J96T09D  C2016 10 21.13293 23 02 02.88 -03 52 48.1          20.8 VqEU046G96
     J96T09D HC2016 10 21.18671 23 02 29.33 -03 52 30.1                oEU046691
     J96T09D HC2016 10 21.19336 23 02 32.52 -03 52 27.5                oEU046691
     J96T09D HC2016 10 21.20003 23 02 35.74 -03 52 26.0                oEU046691
     J96T09D  C2016 10 21.28608 23 03 17.41 -03 51 55.2          21.1 RoEU046926
     J96T09D  C2016 10 21.29389 23 03 21.25 -03 51 52.3          21.5 RoEU046926
     J96T09D  C2016 10 22.10230 23 09 59.12 -03 47 16.6          21.1 RoEU046926
     J96T09D  C2016 10 22.10528 23 10 00.39 -03 47 16.9          20.9 VqEU046I52
     J96T09D  C2016 10 22.10583 23 10 00.68 -03 47 15.8          20.9 RoEU046926
     J96T09D  C2016 10 22.10906 23 10 02.03 -03 47 15.4          20.9 VqEU046I52
     J96T09D  C2016 10 22.10938 23 10 02.28 -03 47 14.2          21.0 RoEU046926
     J96T09D  C2016 10 22.11034 23 10 02.71 -03 47 14.6          21.0 VqEU046I52
     J96T09D KC2016 10 22.16602 23 10 27.53 -03 46 55.2          21.0 RoEU046291
     J96T09D KC2016 10 22.16922 23 10 28.98 -03 46 54.2                oEU046291
     J96T09D KC2016 10 22.17243 23 10 30.38 -03 46 53.1          21.0 RoEU046291
     J96T09D  C2016 10 23.17745 23 17 57.46 -03 41 02.6          21.3 VqEU046G96
     J96T09D  C2016 10 23.17966 23 17 58.38 -03 41 02.2          21.1 VqEU046G96
     J96T09D  C2016 10 23.18191 23 17 59.27 -03 41 00.9          21.0 VqEU046G96
     J96T09D  C2016 10 23.18423 23 18 00.20 -03 41 00.5          21.2 VqEU046G96
 
Observer details:
291 LPL/Spacewatch II.  Observers J. V. Scotti, T. H. Bressi.  1.8-m f/2.7
    reflector + CCD.
691 Steward Observatory, Kitt Peak.  Observer J. V. Scotti.  0.9-m f/3
    reflector + CCD.
926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
    M. Schwartz.  0.81-m f/7 Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observers R. A. Kowalski, R. G. Matheny.  Measurers
    E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson,
    R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman,
    F. C. Shelly.  1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer A. R. Gibbs.  Measurers
    E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson,
    R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman,
    F. C. Shelly.  1.0-m reflector + CCD.
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 integer in degrees), reference and Delta-T
161020 G96   20-    7-    161023 G96   17-    5-    MPO166083   +2.6 day
 
Orbital elements:
1996 TD9                                                 Earth MOID = 0.0223 AU
Epoch 2016 July 31.0 TT = JDT 2457600.5                 MPC
M 350.38474              (2000.0)            P               Q
n   0.64047107     Peri.   89.75861     +0.43586303     +0.89918211
a   1.3329168      Node   206.18969     -0.85667217     +0.40131990
e   0.4039704      Incl.    5.02593     -0.27592790     +0.17439576
P   1.54           H   23.7           G   0.15           U   4
Residuals in seconds of arc
961012 566  1.2-  1.1-    961018 566 (2.4+  0.2+)   161020 J95  0.3+  0.9+
961012 566  0.1-  1.6-    961018 566  0.2+  0.1+    161021 G96  0.6-  0.1+
961012 566  0.6-  0.6-    961018 566  0.5+  0.0     161021 G96  0.4+  0.1-
961013 557  0.1-  0.1-    161020 G96  0.1-  0.2+    161021 G96  0.4-  0.1-
961013 557  0.9-  1.3+    161020 G96  0.4+  0.6+    161021 G96  0.5+  0.2-
961013 557  0.3-  1.2+    161020 G96  0.7-  0.3-    161021 691 (2.1+  0.6-)
961013 557  0.1+  0.3+    161020 G96  0.1+  0.2-    161021 691  1.4+  0.2-
961013 557  0.2+  0.2+    161020 G96  0.0   0.2+    161021 691  1.1+  1.0-
961013 557  0.3+  0.2+    161020 G96  0.2-  1.2-    161021 926  0.5-  0.3-
961013 557  0.3+  0.3+    161020 G96  0.6-  0.3+    161021 926  0.0   0.2-
961013 557  0.5-  0.6+    161020 G96  0.4-  0.2-    161022 926  0.3+  0.0
961014 046  1.3+  0.0     161020 926  0.4-  0.6-    161022 I52  0.3-  0.4-
961014 046  1.0+  0.5+    161020 926  0.0   0.5+    161022 926  0.1-  0.4-
961014 046  0.2-  0.9-    161020 291  0.2-  0.2+    161022 I52  1.2-  0.2-
961014 046  0.7-  0.4+    161020 291  0.2-  0.1+    161022 926  0.1+  0.0
961015 557  0.2-  0.6+    161020 926  0.1+  0.2+    161022 I52  0.4+  0.2+
961015 557  0.8+  1.3-    161020 291  0.0   0.5+    161022 291  0.3-  0.3+
961015 557  0.2+  1.1-    161020 G96  0.5-  0.0     161022 291  0.2+  0.2+
961015 557  0.2+  0.4+    161020 G96  0.2-  0.0     161022 291  0.2-  0.2+
961015 557  1.2-  0.5-    161020 G96  0.3+  0.5+    161023 G96  0.3-  0.2+
961016 360  0.3+  0.1-    161020 G96  0.6-  0.9-    161023 G96  0.2+  0.1-
961016 360  1.0+  0.4+    161020 J95 (2.3-  0.5+)   161023 G96  0.1-  0.4+
961016 360  0.5+  0.3+    161020 J95  0.1-  0.4-    161023 G96  0.2-  0.0

Ephemeris:
1996 TD9                 a,e,i = 1.33, 0.40, 5                   q = 0.7945
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2016 09 23    15 18 22.1 +00 20 21   0.1390  0.9191    49.4   124.0    24.4
...
2016 10 08    19 20 26.8 -03 34 26   0.07395 1.0095    96.0    79.9    20.9
...
2016 10 16    22 04 37.1 -04 15 53   0.09881 1.0611   128.5    47.3    20.6
...
2016 10 22    23 09 08.7 -03 47 16   0.1366  1.1005   138.0    37.2    21.1
2016 10 23    23 16 40.8 -03 41 30   0.1437  1.1071   138.8    36.3    21.2
2016 10 24    23 23 34.2 -03 35 37   0.1510  1.1136   139.4    35.5    21.3
...
2016 10 30    23 55 03.1 -02 58 50   0.1976  1.1531   140.9    32.9    21.9
...
2016 11 07    00 21 53.7 -02 05 47   0.2662  1.2053   139.2    32.5    22.6
...
2016 11 22    00 54 11.9 -00 11 50   0.4110  1.3002   132.3    34.2    23.8

A. U. Tomatic                (C) Copyright 2016 MPC           M.P.E.C. 2016-U46




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