MPEC 2005-F08 : COMET 141P/MACHHOLZ
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.
Read MPEC 2005-F07
Read MPEC 2005-F09
M.P.E.C. 2005-F08 Issued 2005 Mar. 16, 15:21 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
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET 141P/MACHHOLZ
Observations:
0141P C2005 02 27.75645 00 05 26.67 +04 08 28.9 14.3 N EF008A71
0141P C2005 03 16.41049 01 39 17.57 +10 17 27.0 EF008349
0141P C2005 03 16.41416 01 39 18.80 +10 17 31.5 EF008349
0141P C2005 03 16.41779 01 39 20.08 +10 17 34.6 13.1 T EF008349
Observer details:
349 Ageo. Observer K. Kadota. 0.25-m f/5.0 reflector + CCD.
A71 Stixendorf. Observer M. Jaeger. Measurer M. Meyer. Instrumentation
not indicated.
Orbital elements:
141P/Machholz
Epoch 2005 Mar. 11.0 TT = JDT 2453440.5
T 2005 Feb. 28.24872 TT MPC
q 0.7528462 (2000.0) P Q
n 0.18844957 Peri. 149.28409 +0.80306628 -0.56040024
a 3.0130473 Node 246.16135 +0.49177922 +0.81526308
e 0.7501380 Incl. 12.79526 +0.33650817 +0.14593729
P 5.23
From 191 observations 1994-2005, mean residual 0".76. Nongravitational
parameters A1 = -0.27 +/- 0.03, A2 = +0.0100 +/- 0.0002.
Ephemeris:
141P/Machholz
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2005 03 11 01 08.26 +08 27.3 1.486 0.775 28.5 37.8 9.5 19.3
2005 03 16 01 36.93 +10 09.6 1.472 0.799 30.7 39.5 9.9 19.4
2005 03 21 02 05.73 +11 40.7 1.467 0.831 32.9 40.6 10.4 19.5
2005 03 26 02 34.42 +12 59.0 1.470 0.869 35.0 41.2 11.0 19.6
2005 03 31 03 02.73 +14 03.6 1.483 0.912 37.1 41.3 11.7 19.8
2005 04 05 03 30.44 +14 54.2 1.504 0.959 38.9 40.9 12.3 19.9
2005 04 10 03 57.32 +15 31.0 1.533 1.010 40.5 40.2 13.1 20.0
2005 04 15 04 23.20 +15 54.7 1.570 1.062 41.9 39.1 13.8 20.2
2005 04 20 04 47.95 +16 06.6 1.615 1.116 43.0 37.9 14.5 20.3
2005 04 25 05 11.50 +16 07.9 1.666 1.171 43.9 36.6 15.2 20.4
2005 04 30 05 33.81 +16 00.1 1.722 1.226 44.5 35.1 15.8 20.6
2005 05 05 05 54.91 +15 44.6 1.784 1.283 44.8 33.6 16.5 20.7
2005 05 10 06 14.81 +15 22.6 1.850 1.339 44.8 32.1 17.1 20.8
2005 05 15 06 33.60 +14 55.3 1.920 1.395 44.6 30.6 17.8 21.0
2005 05 20 06 51.31 +14 23.5 1.993 1.451 44.2 29.1 18.3 21.1
2005 05 30 07 23.86 +13 10.1 2.146 1.562 42.8 26.2 19.5 21.3
2005 06 09 07 53.07 +11 47.3 2.305 1.671 40.6 23.3 20.5 21.5
2005 06 19 08 19.50 +10 18.3 2.466 1.777 37.9 20.6 21.5 21.7
This appears to be component A. The linkage to 1994-1995 does not
include the earlier part of the apparition.
Brian G. Marsden (C) Copyright 2005 MPC M.P.E.C. 2005-F08
Read MPEC 2005-F07
Read MPEC 2005-F09
Our Web policy. Index to the CBAT/MPC/ICQ pages.
