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  • MPEC 1997-N03 : 1996 TP66

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    M.P.E.C. 1997-N03                                Issued 1997 July 2, 22:18 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
       on behalf of Commission 20 of the International Astronomical Union by the
              Minor Planet Center, Smithsonian Astrophysical Observatory,
                              Cambridge, MA 02138, U.S.A.
    
                 BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
                     URL http://cfa-www.harvard.edu/cfa/ps/mpc.html
    
                                       1996 TP66
    
    Observations:
         J96T66P* C1996 10 11.42110 01 09 50.70 +13 10 24.7          21.2 R      568
         J96T66P  C1996 10 11.47472 01 09 50.32 +13 10 22.5                      568
         J96T66P  C1996 10 11.51933 01 09 50.01 +13 10 20.8                      568
         J96T66P  C1996 10 13.39487 01 09 37.08 +13 09 06.9                      568
         J96T66P  C1996 10 13.42017 01 09 36.90 +13 09 05.9                      568
         J96T66P  C1996 10 13.44534 01 09 36.73 +13 09 04.9                      568
         J96T66P  C1996 11 15.13257 01 06 10.45 +12 46 51.3                      696
         J96T66P  C1996 11 15.32258 01 06 09.46 +12 46 44.9                      696
         J96T66P  C1996 11 17.20259 01 05 59.81 +12 45 35.0                      696
         J96T66P  C1996 11 17.26354 01 05 59.43 +12 45 31.7          20.9 R      696
         J96T66P  C1996 12 15.09951 01 04 23.68 +12 31 39.4                      696
         J96T66P  C1996 12 15.18711 01 04 23.54 +12 31 37.6                      696
         J96T66P  C1997 02 01.12366 01 05 53.93 +12 31 37.2                      696
         J96T66P  C1997 02 01.17218 01 05 54.16 +12 31 38.1                      696
         J96T66P  C1997 07 01.39800 01 26 10.64 +14 36 39.2          20.7 V      709
         J96T66P  C1997 07 01.43037 01 26 10.71 +14 36 40.2          20.8 V      709
         J96T66P FC1997 07 02.41956 01 26 14.48 +14 37 17.3          20.9 V      709
         J96T66P FC1997 07 02.43575 01 26 14.55 +14 37 14.4          20.8 V      709
         J96T66P VC1997 07 02.45194 01 26 14.72 +14 37 17.0          19.7 V      709
    
    Observer details:
    568 Mauna Kea.  Observers J. Luu, D. Jewitt, C. Trujillo.  2.2-m University of
        Hawaii reflector + CCD.
    696 Whipple Observatory, Mt. Hopkins.  Observers C. W. Hergenrother,
        W. R. Brown.  Measurer C. W. Hergenrother.  1.2-m reflector + CCD.
    709 Cloudcroft.  Observer W. Offutt.  0.6-m Ritchey-Chretien + CCD.
    
    Orbital elements:
    1996 TP66
    Epoch 1997 June 1.0 TT = JDT 2450600.5                  Marsden
    M 355.57491              (2000.0)            P               Q
    n   0.00394517     Peri.   75.88478     +0.84022725     -0.53794901
    a  39.6666378      Node   316.60339     +0.45142309     +0.76349272
    e   0.3355817      Incl.    5.68323     +0.30039201     +0.35733700
    P 250              H    6.5           G   0.15           U   6
    Residuals in seconds of arc
    961011 568  0.2-  0.1-    961115 696  0.8+  0.5-    970701 709  0.1+  0.0
    961011 568  0.2-  0.2-    961117 696  0.8+  0.4+    970701 709  0.7-  0.2-
    961011 568  0.2-  0.1-    961117 696  0.2-  0.6-    970702 709  0.5-  1.9+
    961013 568  0.2-  0.9+    961215 696  0.4-  0.2-    970702 709  0.4-  1.6-
    961013 568  0.3-  0.9+    961215 696  0.2-  0.2-    970702 709  1.3+  0.4+
    961013 568  0.2-  0.9+    970201 696  0.4+  0.2-
    961115 696  0.4+  1.3-    970201 696  0.0   0.4-
    
    Ephemeris:
    1996 TP66                a,e,i = 39.67, 0.34, 6                  q = 26.355
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    1997 07 01    01 26.15   +14 36.4   26.703   26.440    74.0     2.1    21.0
    1997 07 11    01 26.69   +14 41.8   26.538   26.439    83.3     2.2    21.0
    1997 07 21    01 27.00   +14 46.0   26.369   26.437    92.7     2.2    21.0
    1997 07 31    01 27.08   +14 48.8   26.203   26.436   102.2     2.2    21.0
    1997 08 10    01 26.92   +14 50.1   26.042   26.434   111.8     2.0    20.9
    1997 08 20    01 26.53   +14 50.1   25.891   26.433   121.4     1.9    20.9
    1997 08 30    01 25.94   +14 48.7   25.756   26.431   131.1     1.6    20.9
    1997 09 09    01 25.16   +14 45.9   25.640   26.430   140.9     1.4    20.8
    1997 09 19    01 24.22   +14 41.9   25.547   26.428   150.7     1.1    20.8
    1997 09 29    01 23.17   +14 36.9   25.480   26.427   160.5     0.7    20.8
    1997 10 09    01 22.04   +14 31.0   25.442   26.425   169.8     0.4    20.7
    1997 10 19    01 20.88   +14 24.5   25.433   26.424   174.3     0.2    20.7
    1997 10 29    01 19.74   +14 17.7   25.454   26.423   167.0     0.5    20.7
    1997 11 08    01 18.67   +14 10.9   25.505   26.421   157.2     0.8    20.8
    1997 11 18    01 17.71   +14 04.3   25.584   26.420   147.1     1.2    20.8
    1997 11 28    01 16.90   +13 58.3   25.689   26.418   136.9     1.5    20.9
    1997 12 08    01 16.28   +13 53.1   25.817   26.417   126.7     1.7    20.9
    1997 12 18    01 15.89   +13 48.9   25.962   26.416   116.5     1.9    20.9
    1997 12 28    01 15.72   +13 46.0   26.122   26.414   106.3     2.0    20.9
    1998 01 07    01 15.81   +13 44.5   26.290   26.413    96.1     2.1    21.0
    1998 01 17    01 16.15   +13 44.4   26.461   26.412    86.1     2.1    21.0
    1998 01 27    01 16.73   +13 45.9   26.630   26.411    76.1     2.1    21.0
    1998 02 06    01 17.54   +13 48.8   26.792   26.409    66.2     2.0    21.0
    
         The above general solution confirms plutino status (2:3 resonance with
    Neptune), the minimum distance from Neptune within a 14 000-year period
    centered on the present being 22.6 AU; however, the record high eccentricity
    makes the minimum distance from Uranus only 6.9 AU.
    
    Brian G. Marsden             (C) Copyright 1997 MPC           M.P.E.C. 1997-N03
    

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