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    • MPEC 1997-T04 : 1997 TX8

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    M.P.E.C. 1997-T04                                Issued 1997 Oct. 6, 21:39 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/iau/mpc.html

                                   1997 TX8

Observations:
     J97T08X* C1997 10 05.24847 23 38 17.54 +06 34 10.5          22.6 R      675
     J97T08X  C1997 10 05.31566 23 38 17.17 +06 34 07.9                      675
     J97T08X  C1997 10 06.13400 23 38 12.87 +06 33 34.9          22.5 R      675
     J97T08X  C1997 10 06.14755 23 38 12.83 +06 33 34.5                      675

Observer details:
675 Palomar Mountain.  Observers E. Helin, D. Rabinowitz, M. Hicks.
    5-m Hale reflector.

Orbital elements:
1997 TX8
Assumed Neptune 2:3-resonance orbit
Epoch 1997 Sept. 29.0 TT = JDT 2450720.5                Marsden
M 359.97579              (2000.0)            P               Q
n   0.00398916     Peri.  108.51368     +0.98987323     +0.03966957
a  39.3745182      Node   249.39446     -0.08515059     +0.93416988
e   0.1863390      Incl.    8.37285     +0.11357978     +0.35461663
P 247              H    8.0           G   0.15
From 4 observations 1997 Oct. 5-6.

Ephemeris:
1997 TX8                 a,e,i = 39.37, 0.19, 8                  q = 32.038
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
1997 09 29    23 38.85   +06 38.3   31.055   32.038   168.5     0.4    23.1
1997 10 09    23 37.97   +06 31.7   31.097   32.038   160.1     0.6    23.1
1997 10 19    23 37.16   +06 25.0   31.166   32.038   150.6     0.9    23.1
1997 10 29    23 36.46   +06 18.7   31.262   32.038   140.8     1.1    23.2
1997 11 08    23 35.91   +06 12.8   31.381   32.038   130.8     1.3    23.2
1997 11 18    23 35.51   +06 07.7   31.521   32.038   120.8     1.5    23.2
1997 11 28    23 35.30   +06 03.6   31.675   32.038   110.7     1.7    23.2
1997 12 08    23 35.29   +06 00.6   31.841   32.038   100.7     1.7    23.3
1997 12 18    23 35.47   +05 58.8   32.012   32.038    90.6     1.8    23.3
1997 12 28    23 35.86   +05 58.3   32.183   32.038    80.6     1.7    23.3
1998 01 07    23 36.43   +05 59.2   32.350   32.038    70.7     1.7    23.3
1998 01 17    23 37.18   +06 01.4   32.507   32.038    60.8     1.5    23.3

Brian G. Marsden             (C) Copyright 1997 MPC           M.P.E.C. 1997-T04

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