MPEC 2006-B56 : COMET P/2005 Y2 (MCNAUGHT)
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.
Read MPEC 2006-B55
Read MPEC 2006-B57
M.P.E.C. 2006-B56 Issued 2006 Jan. 25, 20:33 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.
Supported in part by the Brinson Foundation
Supported in part by the TABASGO Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET P/2005 Y2 (MCNAUGHT)
Prediscovery observations identified by M. Meyer:
PK05Y020 C2005 08 28.65023 22 47 43.62 -31 50 40.4 18.6 T EB056E12
PK05Y020 C2005 08 28.65889 22 47 43.29 -31 50 41.8 19.2 T EB056E12
PK05Y020 C2005 08 28.66764 22 47 43.04 -31 50 45.7 19.6 T EB056E12
PK05Y020 C2005 08 28.67638 22 47 42.72 -31 50 48.1 18.7 T EB056E12
PK05Y020 C2005 09 30.43273 22 31 54.87 -32 49 11.3 19.1 T EB056E12
PK05Y020 C2005 09 30.44079 22 31 54.69 -32 49 12.0 18.7 T EB056E12
PK05Y020 C2005 09 30.44892 22 31 54.58 -32 49 09.7 19.3 T EB056E12
PK05Y020 C2005 09 30.46096 22 31 54.30 -32 49 10.2 18.9 T EB056E12
PK05Y020 C2005 11 14.08911 22 34 49.83 -29 48 00.1 19.1 T EB056644
PK05Y020 C2005 11 14.11040 22 34 50.31 -29 47 52.2 18.8 T EB056644
PK05Y020 C2005 11 14.13151 22 34 50.82 -29 47 44.6 20.3 T EB056644
Observer details:
644 Palomar Mountain/NEAT. Observers R. Bambery, M. Hicks, K. Lawrence,
E. Helin, R. Thicksten. 1.2-m Schmidt + CCD.
E12 Siding Spring Survey. Observer R. H. McNaught. 0.5-m Uppsala
Schmidt + CCD.
Orbital elements:
P/2005 Y2 (McNaught)
Epoch 2004 Dec. 21.0 TT = JDT 2453360.5
T 2004 Dec. 27.97742 TT MPC
q 3.3551296 (2000.0) P Q
n 0.06254980 Peri. 194.58700 +0.31510079 +0.89077520
a 6.2851948 Node 94.62319 -0.83451628 +0.42438045
e 0.4661853 Incl. 19.17960 -0.45198902 -0.16254469
P 15.76
From 53 observations 2005 Aug. 28-2006 Jan. 7, mean residual 0".55.
P/2005 Y2 (McNaught)
Epoch 2006 Jan. 25.0 TT = JDT 2453760.5
T 2004 Dec. 28.11919 TT MPC
q 3.3552413 (2000.0) P Q
n 0.06246480 Peri. 194.61746 +0.31542877 +0.89067252
a 6.2908956 Node 94.61416 -0.83434004 +0.42468047
e 0.4666513 Incl. 19.17713 -0.45208560 -0.16232364
P 15.8
From 53 observations 2005 Aug. 28-2006 Jan. 7, mean residual 0".5.
Residuals in seconds of arc
050828 E12 0.2- 0.2+ 051231 711 0.1- 0.4+ 060101 E12 0.6- 0.2+
050828 E12 0.5- 1.2+ 051231 734 0.1+ 0.8- 060101 J76 0.1+ 0.1+
050828 E12 0.2+ 0.2- 051231 734 0.1+ 0.0 060101 J76 0.0 0.9+
050828 E12 0.0 0.2- 051231 734 0.7- 0.3- 060101 J76 0.0 0.8+
050930 E12 0.2+ 0.1- 051231 711 0.2- 0.2+ 060102 415 0.0 0.5+
050930 E12 0.1- 1.3- 051231 734 0.6+ 1.1- 060102 415 0.4+ 0.9+
050930 E12 0.5+ 0.4+ 051231 711 0.3- 0.0 060102 E12 1.0- 0.5-
050930 E12 0.0 0.8- 051231 E12 0.5+ 0.3+ 060102 E12 0.4- 1.0+
051114 644 0.5+ 0.8+ 051231 E12 0.0 0.7- 060102 E12 0.7+ 0.8-
051114 644 0.1- 0.7+ 051231 E12 0.3+ 0.8+ 060102 E12 0.7- 0.2-
051114 644 0.3- 0.4+ 051231 E12 0.7- 0.3+ 060102 J76 0.5+ 0.5+
051230 E12 0.1- 0.3- 051231 E12 0.1+ 0.2- 060102 J76 0.0 0.3+
051230 E12 0.1- 0.9- 051231 E12 0.9- 1.1+ 060102 J76 0.2+ 0.6+
051230 E12 0.8+ 0.4- 051231 E12 0.3+ 1.2- 060107 673 0.3+ 0.5+
051230 E12 0.4+ 0.1- 051231 E12 0.3+ 0.4- 060107 673 0.0 0.3+
051230 E12 0.4+ 0.5+ 060101 E12 1.4+ 0.0 060107 673 0.4- 0.2+
051230 E12 0.4- 0.2+ 060101 E12 0.3+ 0.3+ 060107 673 0.8- 0.4+
051230 E12 0.0 0.5+ 060101 E12 0.9- 0.5-
Daniel W. E. Green (C) Copyright 2006 MPC M.P.E.C. 2006-B56
Read MPEC 2006-B55
Read MPEC 2006-B57
Our Web policy. Index to the CBAT/MPC/ICQ pages.
