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IAUC 7697: P/2001 Q5

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                                                  Circular No. 7697
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Mailstop 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions)
CBAT@CFA.HARVARD.EDU (science)
URL http://cfa-www.harvard.edu/iau/cbat.html  ISSN 0081-0304
Phone 617-495-7440/7244/7444 (for emergency use only)


COMET P/2001 Q5 (LINEAR-NEAT)
     K. J. Lawrence, E. F. Helin, and S. H. Pravdo, Jet Propulsion
Laboratory, reported the discovery by the NEAT program of a comet,
having a nuclear condensation of diameter about 6" and a 100" tail
toward the southwest, on CCD images taken with the 1.2-m Schmidt
telescope at Palomar on Aug. 28.  Following posting on the NEO
Confirmation Page, T. B. Spahr (Minor Planet Center) identified
this object with an object reported as asteroidal by the LINEAR
program (first detected on Aug. 17 at m_2 = 18.6-19.4).  Other
reported physical descriptions from CCD images include:  Aug. 29.04
UT, m_1 = 16.0, tail > 50" long in p.a. 237 deg (M. Tichy, Klet,
0.57-m reflector); 29.05, small coma, tail at least 4' long (L.
Sarounova, Ondrejov, 0.65-m reflector); 29.08, diffuse (A. Galad
and D. Kalmancok, Modra, 0.6-m reflector); 29.30, 40" tail in p.a.
243 deg (K. Smalley, Louisburg, KS, 0.75-m reflector); 29.38,
well-condensed coma, broad tail 2' long in p.a. 246 deg (D. Balam,
Dominion Astrophysical Observatory, 1.82-m Plaskett telescope);
29.43, m_1 = 16.9, tail about 70" long in p.a. about 240 deg (P. J.
Shelus, McDonald Observatory, 0.76-m reflector).

     2001 UT             R.A. (2000) Decl.        m1    Observer
     Aug. 17.40174    2 02 03.23   +20 55 57.0          LINEAR
          28.35137    2 07 35.68   +22 58 30.2   17.3   NEAT

     Additional astrometry and the following orbital elements by
B. G. Marsden (from 35 observations, Aug. 17-29) appear on MPEC
2001-Q69:

     T = 2001 June 11.7358 TT         Peri. =   6.4144
     e = 0.419096                     Node  = 336.3234  2000.0
     q = 2.044589 AU                  Incl. =  10.9591
       a =  3.519665 AU    n = 0.1492629    P =   6.603 years

2001 TT     R. A. (2000) Decl.   Delta     r    Elong. Phase    m1
Aug. 29     2 07.81   +23 05.3   1.467   2.132  117.6   24.8   16.1
Sept. 8     2 09.42   +24 42.8   1.402   2.155  126.0   22.2   16.1
     18     2 07.70   +26 03.5   1.349   2.180  135.1   19.0   16.0
     28     2 02.74   +27 02.7   1.312   2.206  144.5   15.3   16.0
Oct.  8     1 55.18   +27 36.6   1.295   2.235  153.9   11.4   16.1
     18     1 46.08   +27 43.8   1.299   2.266  161.5    8.0   16.1
     28     1 36.88   +27 26.5   1.327   2.298  163.7    7.0   16.2

                      (C) Copyright 2001 CBAT
2001 August 29                 (7697)            Daniel W. E. Green

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