MPEC 2008-M43 : COMET C/2007 M1 (McNAUGHT)
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M.P.E.C. 2008-M43 Issued 2008 June 29, 02:13 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 M1 (McNAUGHT)
Observations:
CK07M010 C2008 06 22.02072 19 00 52.23 +10 55 36.1 20.7 N EM043941
CK07M010 C2008 06 22.02370 19 00 52.07 +10 55 36.4 20.7 N EM043941
CK07M010 C2008 06 22.02519 19 00 52.00 +10 55 36.6 20.6 N EM043941
CK07M010 C2008 06 22.03042 19 00 51.72 +10 55 37.0 20.7 N EM043941
CK07M010 C2008 06 27.97294 18 55 41.32 +11 07 06.5 20.5 N EM043941
CK07M010 C2008 06 27.97596 18 55 41.17 +11 07 06.8 20.4 N EM043941
CK07M010 C2008 06 27.97898 18 55 41.02 +11 07 07.1 20.4 N EM043941
Observer details:
941 Observatorio Pla D'Arguines. Observer R. Ferrando. 0.40-m f/10
Ritchey-Chretien + CCD.
Orbital elements:
C/2007 M1 (McNaught)
Epoch 2008 Aug. 2.0 TT = JDT 2454680.5
T 2008 Aug. 11.35475 TT MPC
q 7.4748274 (2000.0) P Q
z +0.0006185 Peri. 52.60891 +0.17633925 -0.91849430
+/-0.0000079 Node 326.80734 -0.97471062 -0.11279189
e 0.9953767 Incl. 139.72060 +0.13727229 +0.37900688
Residuals in seconds of arc
070616 E12 0.5- 0.5- 070704 850 (2.5- 2.5-) 070807 118 0.0 0.4-
070616 E12 0.1+ 0.7+ 070704 850 (2.5- 0.5-) 070812 704 0.9+ 1.3+
070616 E12 0.3- 0.2+ 070705 850 0.7+ 0.9- 070812 704 0.4+ 0.8+
070616 E12 0.5- 0.1+ 070705 850 0.1+ 1.5- 070812 704 0.1- 0.1+
070616 E12 0.5- 0.9- 070705 850 0.1- 0.4- 070812 204 0.4+ 0.4-
070617 H55 0.1+ 0.2- 070706 213 0.3+ 0.7+ 070813 204 0.4- 0.0
070617 H55 0.3- 0.3+ 070706 213 0.2+ 0.6+ 070813 046 0.1- 0.1-
070617 734 1.0- 0.8+ 070706 213 0.1+ 0.9+ 070813 046 0.1+ 0.3-
070617 H55 0.2- 0.7+ 070706 147 1.0+ 1.8- 070813 046 0.1- 0.5-
070617 734 0.2- 0.0 070706 147 0.8+ 1.2- 070814 A79 (2.0+ 0.1-)
070617 734 0.5+ 0.9- 070709 850 0.5+ 0.1- 070814 A79 0.9+ 0.5+
070618 H55 0.5- 0.3+ 070709 850 0.4+ 0.5- 070814 A79 0.4+ 0.5-
070618 H55 0.2+ 0.4+ 070709 A50 0.8+ 0.9- 070816 585 0.8- 0.5-
070618 H55 0.1- 0.7+ 070709 A50 0.9+ 1.0- 070816 585 1.7- 1.2-
070618 H55 0.5- 0.3+ 070709 A50 0.4+ 0.9- 070816 585 0.4- 0.4-
070618 H55 0.2- 0.0 070709 A50 1.0+ 0.4- 070816 585 1.0- 1.3-
070618 673 1.1- 0.3- 070709 A50 1.1+ 0.2+ 070819 A79 1.3+ 0.7+
070618 673 0.8- 0.4+ 070709 A50 1.6+ 0.4- 070819 A79 0.5- 0.6+
070618 673 0.8- 0.5+ 070711 474 0.1- 0.2- 070821 585 (7.1- 1.6+)
070618 673 0.0 0.2+ 070711 474 0.0 0.0 070822 585 0.1- 1.1+
070618 651 1.0- 0.9+ 070711 474 0.3- 0.0 070822 585 0.4- 0.1-
070618 651 0.5+ 0.2- 070714 215 0.5- 0.4- 070822 585 1.8+ 0.4+
070619 A77 0.3+ 0.0 070714 215 0.0 0.1- 070907 204 0.4+ 1.4+
070620 A77 0.1- 0.1- 070714 215 0.5+ 0.2+ 070908 673 0.1+ 0.1-
070620 A77 0.6+ 1.0+ 070714 A77 (3.4+ 0.8+) 070908 673 0.0 0.2-
070621 850 1.6+ 0.6- 070714 A77 0.0 0.6+ 070908 673 0.3- 0.1-
070621 850 (1.8+ 2.1+) 070717 585 (1.0- 2.2-) 070908 673 0.3- 0.1-
070621 415 1.1- 0.4+ 070804 204 0.1+ 0.2+ 080622 941 0.3- 0.2-
070621 415 0.4+ 0.0 070804 147 1.1- 1.1+ 080622 941 0.3- 0.3-
070622 850 0.3+ 0.3+ 070805 147 1.1- 0.3- 080622 941 0.2- 0.3-
070622 850 0.4+ 0.1- 070805 585 0.4- 1.1+ 080622 941 0.3- 0.6-
070622 213 0.1+ 0.4+ 070805 585 0.8- 0.4+ 080627 941 0.2+ 0.4+
070622 213 0.1- 0.5+ 070805 118 0.3- 0.4- 080627 941 0.4+ 0.4+
070624 673 0.0 0.0 070805 118 0.3- 0.5+ 080627 941 0.5+ 0.4+
070624 673 0.0 0.1- 070807 118 1.3- 0.4-
Ephemeris:
C/2007 M1 (McNaught)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2008 06 23 19 00.03 +10 57.7 6.641 7.481 143.3 4.7 18.9
2008 07 03 18 51.25 +11 14.3 6.616 7.479 145.8 4.4 18.8
2008 07 13 18 42.44 +11 21.6 6.623 7.477 144.8 4.5 18.8
2008 07 23 18 33.88 +11 19.9 6.663 7.476 140.6 4.9 18.9
2008 08 02 18 25.84 +11 10.1 6.732 7.475 134.2 5.6 18.9
2008 08 12 18 18.55 +10 53.2 6.828 7.475 126.5 6.3 18.9
2008 08 22 18 12.19 +10 31.0 6.947 7.475 118.0 6.9 18.9
2008 09 01 18 06.86 +10 05.1 7.083 7.476 109.2 7.3 19.0
2008 09 11 18 02.61 +09 37.2 7.232 7.477 100.2 7.6 19.0
2008 09 21 17 59.45 +09 08.8 7.388 7.479 91.3 7.7 19.1
2008 10 01 17 57.32 +08 41.2 7.546 7.482 82.5 7.6 19.1
2008 10 11 17 56.15 +08 15.8 7.700 7.484 73.9 7.4 19.2
2008 10 21 17 55.86 +07 53.4 7.846 7.488 65.5 6.9 19.2
2008 10 31 17 56.33 +07 35.0 7.979 7.492 57.5 6.4 19.3
2008 11 10 17 57.45 +07 21.1 8.096 7.496 49.9 5.8 19.3
2008 11 20 17 59.11 +07 12.4 8.193 7.501 43.0 5.2 19.3
2008 11 30 18 01.17 +07 09.3 8.268 7.507 37.2 4.6 19.3
2008 12 10 18 03.52 +07 12.1 8.320 7.513 33.0 4.1 19.4
The "original" and "future" barycentric values of 1/a are +0.000718
and +0.000747 (+/- 0.000008) AU^-1, respectively.
Brian G. Marsden (C) Copyright 2008 MPC M.P.E.C. 2008-M43
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