MPEC 2007-U59 : COMET C/2007 Q3 (SIDING SPRING)
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M.P.E.C. 2007-U59 Issued 2007 Oct. 23, 16:10 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.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET C/2007 Q3 (SIDING SPRING)
Observations:
CK07Q030 C2007 10 18.62970 03 18 14.45 -52 39 26.2 17.4 T EU059423
CK07Q030 C2007 10 19.56701 03 17 44.54 -52 43 49.7 17.8 N EU059415
CK07Q030 C2007 10 19.57829 03 17 44.20 -52 43 52.9 18.2 N EU059415
CK07Q030 C2007 10 20.64690 03 17 09.35 -52 48 44.4 17.2 T EU059423
CK07Q030 C2007 10 20.66834 03 17 08.59 -52 48 49.9 17.0 T EU059423
Observer details:
415 Kambah, near Canberra. Observer D. Herald. 0.36-m f/3.9
Schmidt-Cassegrain + CCD.
423 North Ryde. Observer S. G. McAndrew. 0.20-m f/4 hyperbolic astrograph
+ CCD.
Orbital elements:
C/2007 Q3 (Siding Spring)
Epoch 2009 Oct. 16.0 TT = JDT 2455120.5
T 2009 Oct. 7.68434 TT MPC
q 2.2528567 (2000.0) P Q
z +0.0001681 Peri. 2.09689 -0.86798493 -0.17813136
+/-0.0001518 Node 149.41621 +0.44132534 -0.70466051
e 0.9996212 Incl. 65.65137 +0.22767105 +0.68682078
Residuals in seconds of arc
070825 E12 0.2- 0.4+ 070829 F85 0.1- 0.3- 070918 423 0.2- 0.1-
070825 E12 0.6- 0.9+ 070829 F84 0.5- 0.1- 070924 423 0.0 0.0
070825 E12 0.1- 0.0 070829 F84 0.0 0.6- 070924 423 0.0 0.3+
070825 E12 1.0+ 0.4- 070829 F85 1.2- 0.3- 071001 423 0.1+ 0.1+
070825 E12 0.6+ 0.4+ 070830 F85 0.6- 0.1+ 071001 423 0.2- 0.1+
070825 E12 0.9+ 0.3+ 070830 F85 0.2+ 0.3- 071002 415 0.2+ 0.0
070825 E12 0.4+ 0.4+ 070830 F85 1.2+ 0.5- 071002 415 0.4+ 0.0
070825 E12 0.3+ 0.3+ 070830 413 0.2+ 0.4- 071002 423 0.1+ 0.2+
070825 E12 0.7+ 0.4+ 070830 413 0.0 0.5- 071002 423 0.1- 0.3+
070825 E12 0.1+ 0.8+ 070830 413 0.2- 0.5- 071004 423 0.0 0.6+
070825 E12 0.4+ 0.7+ 070830 413 0.3+ 0.1+ 071004 423 0.2+ 0.5+
070825 E12 0.5- 0.1+ 070831 413 0.3+ 0.6- 071008 474 0.3+ 0.4-
070825 E12 0.1- 0.0 070831 413 0.2+ 0.3- 071008 474 0.1+ 0.4-
070825 E12 0.2+ 0.8+ 070905 413 0.3- 0.3- 071008 474 0.0 0.2+
070825 E12 0.6- 0.1- 070905 413 0.0 0.5- 071013 423 0.4- 0.5+
070825 E12 0.8- 0.1+ 070905 413 0.3- 0.3- 071013 423 0.2- 0.4+
070825 E12 0.6- 0.2- 070905 413 0.2- 0.4- 071013 415 0.3+ 0.1-
070825 E12 0.7- 0.0 070909 415 0.2+ 0.4- 071013 415 0.3+ 0.4-
070825 E12 0.5- 0.0 070909 415 0.4+ 0.4- 071014 E12 0.2+ 0.1+
070827 F85 0.0 0.2+ 070913 423 0.1- 0.2+ 071018 423 0.1+ 0.2-
070827 F85 0.0 0.4- 070913 423 0.1+ 0.6+ 071019 415 0.2- 0.6-
070827 F85 0.1- 0.5- 070914 423 0.1- 0.2+ 071019 415 0.1+ 0.6-
070829 F85 1.0+ 0.1- 070914 423 0.3- 0.5+ 071020 423 0.2- 0.1+
070829 F84 0.2- 0.0 070918 423 0.3- 0.0 071020 423 0.6- 0.4+
The "original" and "future" barycentric values of 1/a are +0.000309
and +0.000412 (+/- 0.000152) AU^-1, respectively.
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-U59
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