• MPC Preparation (Info)

  • MPEC 1997-L03 : COMET C/1997 L1 (XINGLONG)

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    M.P.E.C. 1997-L03                                Issued 1997 June 12, 21:32 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
    
                              COMET C/1997 L1 (XINGLONG)
    
    Observations:
        CJ97L010  C1997 06 03.67351 15 31 55.45 -06 30 17.3                      327
        CJ97L010  C1997 06 03.68338 15 31 55.21 -06 30 10.0                      327
        CJ97L010  C1997 06 03.69281 15 31 54.85 -06 30 04.9          16.7 T      327
        CJ97L010  C1997 06 04.68358 15 31 21.55 -06 20 40.0          17.1 T      327
        CJ97L010  C1997 06 04.69367 15 31 21.18 -06 20 35.2                      327
        CJ97L010  C1997 06 04.70343 15 31 20.81 -06 20 29.3                      327
        CJ97L010  C1997 06 08.36119 15 29 21.84 -05 46 40.9          16.5 T      658
        CJ97L010  C1997 06 08.36435 15 29 21.77 -05 46 39.0          16.6 T      658
        CJ97L010  C1997 06 08.37000 15 29 21.56 -05 46 35.8          16.5 T      658
        CJ97L010  C1997 06 08.85532 15 29 06.37 -05 42 14.4                      589
        CJ97L010  C1997 06 08.86677 15 29 06.00 -05 42 08.6                      589
        CJ97L010  C1997 06 08.87861 15 29 05.66 -05 42 02.6                      589
        CJ97L010  C1997 06 08.88558 15 29 05.39 -05 41 58.1          17.8 T      046
        CJ97L010  C1997 06 08.88730 15 29 05.34 -05 41 55.9                      046
        CJ97L010  C1997 06 08.88953 15 29 05.29 -05 41 54.6                      046
        CJ97L010  C1997 06 08.89203 15 29 05.18 -05 41 53.7                      046
        CJ97L010  C1997 06 08.89414 15 29 05.13 -05 41 52.1                      046
        CJ97L010  C1997 06 08.89819 15 29 05.02 -05 41 52.1                      589
        CJ97L010  C1997 06 09.14554 15 28 57.31 -05 39 37.2          17.4 T      709
        CJ97L010  C1997 06 09.15183 15 28 57.13 -05 39 33.9          17.3 T      709
        CJ97L010  C1997 06 09.15880 15 28 56.90 -05 39 30.2          17.3 T      709
        CJ97L010  C1997 06 09.16568 15 28 56.68 -05 39 26.3          17.4 T      709
        CJ97L010  C1997 06 09.31219 15 28 52.01 -05 38 07.6                      658
        CJ97L010  C1997 06 09.31685 15 28 51.86 -05 38 05.0                      658
        CJ97L010  C1997 06 09.32030 15 28 51.73 -05 38 03.5                      658
        CJ97L010  C1997 06 09.60095 15 28 43.13 -05 35 32.4                      327
        CJ97L010  C1997 06 09.60572 15 28 42.95 -05 35 30.3                      327
        CJ97L010  C1997 06 09.61061 15 28 42.81 -05 35 27.7          18.6 T      327
        CJ97L010  C1997 06 09.87328 15 28 34.69 -05 33 07.5                      046
        CJ97L010  C1997 06 09.87613 15 28 34.57 -05 33 05.9                      046
        CJ97L010  C1997 06 09.88035 15 28 34.47 -05 33 03.5                      046
        CJ97L010  C1997 06 09.92223 15 28 33.18 -05 32 42.9          17.9 T      540
        CJ97L010  C1997 06 09.92876 15 28 32.86 -05 32 38.5                      540
        CJ97L010 rC1997 06 09.96630 15 28 31.82 -05 32 18.4                      118
        CJ97L010 rC1997 06 09.97752 15 28 31.45 -05 32 12.2          17.8 T      118
        CJ97L010  C1997 06 10.30668 15 28 21.32 -05 29 17.7                      658
        CJ97L010  C1997 06 10.30803 15 28 21.27 -05 29 16.9                      658
        CJ97L010  C1997 06 10.31272 15 28 21.15 -05 29 14.3                      658
        CJ97L010  C1997 06 10.86976 15 28 04.30 -05 24 20.6          17.4 T      046
        CJ97L010  C1997 06 10.87374 15 28 04.16 -05 24 18.4                      046
        CJ97L010  C1997 06 10.87656 15 28 04.07 -05 24 16.6                      046
        CJ97L010  C1997 06 10.97365 15 28 01.05 -05 23 25.5                      118
        CJ97L010  C1997 06 10.98362 15 28 00.75 -05 23 19.7          18.2 T      118
        CJ97L010  C1997 06 11.05745 15 27 58.67 -05 22 40.9          17.8 T      861
        CJ97L010  C1997 06 11.08251 15 27 57.89 -05 22 28.7          17.6 T      861
        CJ97L010  C1997 06 11.10657 15 27 57.07 -05 22 17.0          17.8 T      861
        CJ97L010  C1997 06 11.13797 15 27 56.20 -05 21 59.6          17.2 T      709
        CJ97L010  C1997 06 11.14487 15 27 56.01 -05 21 56.0          17.2 T      709
        CJ97L010  C1997 06 11.14841 15 27 55.89 -05 21 54.1          17.3 T      709
        CJ97L010  C1997 06 11.15245 15 27 55.77 -05 21 52.0          17.2 T      709
        CJ97L010  C1997 06 11.15734 15 27 55.63 -05 21 49.1          17.3 T      709
        CJ97L010  C1997 06 11.59254 15 27 42.55 -05 18 01.7          17.9 T      367
        CJ97L010  C1997 06 11.59670 15 27 42.36 -05 17 59.8                      367
        CJ97L010  C1997 06 11.60087 15 27 42.25 -05 17 59.2                      367
        CJ97L010  C1997 06 11.65384 15 27 40.65 -05 17 30.2          17.4 T      867
        CJ97L010  C1997 06 11.66056 15 27 40.46 -05 17 26.4                      867
        CJ97L010  C1997 06 11.66704 15 27 40.25 -05 17 22.9                      867
        CJ97L010  C1997 06 12.35713 15 27 19.73 -05 11 24.9          17.3 T      696
        CJ97L010  C1997 06 12.36117 15 27 19.61 -05 11 23.0          17.4 T      696
        CJ97L010  C1997 06 12.36506 15 27 19.51 -05 11 21.3                      696
        CJ97L010  C1997 06 12.48909 15 27 16.02 -05 10 18.9                      402
        CJ97L010  C1997 06 12.49117 15 27 15.98 -05 10 17.2                      402
        CJ97L010  C1997 06 12.49325 15 27 15.88 -05 10 15.0                      402
    
    Observer details:
    046 Klet.  Observers J. Ticha, M. Tichy, Z. Moravec.  Measurer M. Tichy.
        0.57-m f/5.2 reflector + CCD.
    118 Modra.  Observers A. Galad, A. Pravda.  0.6-m f/5.5 reflector + CCD.
    327 Peking Observatory, Xinglong Station.  Observers J. Zhu, Y. J. Chen,
        X. Y. Li.  Measurers C. M. Ma, J. Zhu, X. Y. Li.  0.6-m Schmidt + CCD.
    367 Yatsuka.  Observer H. Abe.  0.26-m f/6.0 reflector + CCD.
    402 Dynic Astronomical Observatory.  Observer A. Sugie.  0.60-m f/3.7
        reflector + CCD.
    540 Linz.  Observer E. Meyer.  0.3-m f/5.2 Schmidt-Cassegrain + CCD.
    589 Santa Lucia Stroncone.  Observer A. Vagnozzi.  0.4-m f/2.8 Ritchey-
        Chretien.
    658 Dominion Astrophysical Observatory.  Observer D. D. Balam.  1.82-m
        reflector + CCD.
    696 Whipple Observatory, Mt. Hopkins.  Observer C. W. Hergenrother.
        1.2-m reflector + CCD.
    709 Cloudcroft.  Observer W. Offutt.  0.6-m Ritchey-Chretien + CCD.
    861 Barao Geraldo.  Observer P. R. Holvorcem.  0.20-m f/6.3 reflector + CCD.
    867 Saji Observatory.  Observers M. Yamanishi, A. Miyamoto, M. Aimoto,
        T. Oribe.  1.03-m f/4.8 reflector + CCD.
    
    Orbital elements:
        C/1997 L1 (Xinglong)
    T 1996 Nov. 17.18131 TT                                 Marsden
    q   4.8758541            (2000.0)            P               Q
                       Peri.  345.51832     -0.63772056     +0.07874991
                       Node   233.28996     -0.57674748     -0.70818370
    e   1.0            Incl.   72.90005     -0.51056326     +0.70162261
    From 62 observations 1997 June 3-12.
    
    Ephemeris:
        C/1997 L1 (Xinglong)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    1997 06 11    15 28.01   -05 23.2    4.239    5.130   148.3     6.0  16.7
    1997 06 21    15 23.47   -04 01.6    4.356    5.155   137.8     7.6  16.8
    1997 07 01    15 20.04   -02 52.1    4.498    5.180   127.6     9.0  16.9
    1997 07 11    15 17.83   -01 54.7    4.657    5.207   117.6    10.0  17.0
    1997 07 21    15 16.86   -01 08.5    4.831    5.234   108.0    10.6  17.1
    1997 07 31    15 17.10   -00 32.2    5.012    5.262    98.7    11.0  17.2
    1997 08 10    15 18.51   -00 04.5    5.198    5.292    89.8    11.0  17.3
    1997 08 20    15 20.99   +00 16.5    5.383    5.322    81.1    10.8  17.4
    1997 08 30    15 24.44   +00 32.3    5.563    5.353    72.8    10.4  17.5
    1997 09 09    15 28.77   +00 44.4    5.736    5.384    64.8     9.7  17.6
    1997 09 19    15 33.86   +00 54.3    5.898    5.417    57.0     8.9  17.7
    1997 09 29    15 39.61   +01 03.4    6.046    5.450    49.6     8.0  17.8
    1997 10 09    15 45.93   +01 12.9    6.179    5.485    42.5     7.1  17.8
    1997 10 19    15 52.72   +01 24.0    6.294    5.520    36.0     6.1  17.9
    1997 10 29    15 59.86   +01 37.7    6.389    5.555    30.4     5.2  18.0
    
    Brian G. Marsden             (C) Copyright 1997 MPC           M.P.E.C. 1997-L03
    

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    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)