MPEC 2008-N42 : COMET C/2008 J6 (HILL)
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M.P.E.C. 2008-N42 Issued 2008 July 15, 16:43 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/2008 J6 (HILL)
Observations:
CK08J060 C2008 07 05.00333 23 25 00.30 +38 12 44.5 EN042204
CK08J060 C2008 07 05.07525 23 25 01.19 +38 14 53.9 17.6 N EN042204
CK08J060 C2008 07 11.28343 23 25 51.97 +41 16 01.9 18.0 N EN042H45
CK08J060 C2008 07 11.28447 23 25 51.97 +41 16 03.4 17.8 N EN042H45
CK08J060 C2008 07 11.28595 23 25 51.98 +41 16 06.2 18.0 N EN042H45
CK08J060 C2008 07 11.28809 23 25 51.98 +41 16 09.5 18.2 N EN042H45
CK08J060 C2008 07 11.29009 23 25 51.98 +41 16 13.0 16.9 T EN042H45
CK08J060 C2008 07 12.04961 23 25 53.14 +41 37 47.4 17.5 N EN042J27
CK08J060 C2008 07 12.05931 23 25 53.24 +41 38 04.3 17.6 N EN042J27
CK08J060 C2008 07 12.07470 23 25 53.17 +41 38 30.2 16.9 N EN042J27
CK08J060 C2008 07 12.34777 23 25 53.27 +41 46 13.7 17.4 N EN042H45
CK08J060 C2008 07 12.34996 23 25 53.27 +41 46 17.3 17.3 N EN042H45
CK08J060 C2008 07 12.35131 23 25 53.27 +41 46 19.5 17.1 N EN042H45
CK08J060 C2008 07 12.35395 23 25 53.27 +41 46 24.0 17.2 N EN042H45
CK08J060 C2008 07 12.35629 23 25 53.28 +41 46 28.1 17.3 N EN042H45
CK08J060 C2008 07 12.35734 23 25 53.28 +41 46 29.7 17.3 N EN042H45
CK08J060 C2008 07 13.41097 23 25 52.28 +42 16 06.9 17.4 N EN042H47
CK08J060 C2008 07 13.42129 23 25 52.33 +42 16 24.2 17.6 N EN042H47
CK08J060 C2008 07 15.06414 23 25 46.81 +43 01 59.0 17.8 N EN042J47
CK08J060 C2008 07 15.06841 23 25 46.80 +43 02 06.1 17.8 N EN042J47
CK08J060 C2008 07 15.07329 23 25 46.74 +43 02 14.2 17.5 N EN042J47
CK08J060 C2008 07 15.07695 23 25 46.72 +43 02 20.4 17.7 N EN042J47
CK08J060 C2008 07 15.29215 23 25 45.53 +43 08 15.0 17.5 N EN042H45
CK08J060 C2008 07 15.29366 23 25 45.52 +43 08 17.8 17.5 N EN042H45
CK08J060 C2008 07 15.29557 23 25 45.49 +43 08 20.6 17.3 N EN042H45
CK08J060 C2008 07 15.29850 23 25 45.49 +43 08 25.5 17.4 N EN042H45
CK08J060 C2008 07 15.30026 23 25 45.49 +43 08 28.2 17.3 N EN042H45
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.36-m f/7.6
Schmidt-Cassegrain + CCD, 0.38-m f/6.8 reflector + CCD, 0.60-m f/4.64
reflector + CCD.
H45 Petit Jean Mountain South. Observer P. C. Sherrod. 0.51-m f/4
Schmidt-Cassegrain + CCD.
H47 Vicksburg. Observer C. Bell. 0.3-m f/5.9 Schmidt-Cassegrain + CCD.
J27 El Guijo Observatory. Observer A. San Segundo. 0.20-m f/10
Schmidt-Cassegrain + CCD.
J47 Observatorio Nazaret. Observer G. Muler. 0.30-m Schmidt-Cassegrain + CCD.
Orbital elements:
C/2008 J6 (Hill)
Epoch 2008 Apr. 4.0 TT = JDT 2454560.5
T 2008 Apr. 10.94131 TT MPC
q 2.0034747 (2000.0) P Q
z -0.0011193 Peri. 10.70219 +0.57977125 +0.52491109
+/-0.0000501 Node 298.17774 -0.78999908 +0.17496051
e 1.0022424 Incl. 44.98702 -0.19941600 +0.83298090
Residuals in seconds of arc
080514 703 1.3- 0.5+ 080601 J47 0.1- 0.5+ 080629 151 0.8- 0.4-
080514 703 0.5- 1.6+ 080601 J47 0.1- 0.8+ 080630 A77 0.3- 0.4-
080514 703 1.0- 0.2+ 080601 056 0.5- 0.3+ 080630 A77 0.1+ 0.4-
080514 703 0.2- 0.5+ 080601 056 0.4+ 0.3- 080630 A77 0.6- 0.7-
080514 F85 0.0 0.2- 080601 056 0.4- 0.0 080630 215 0.9- 0.5-
080514 F85 0.3+ 0.0 080603 H06 0.9- 1.0+ 080630 215 0.8- 0.1-
080514 900 0.3- 0.9- 080603 H06 (4.1- 7.4-) 080630 215 (2.0- 0.1+)
080514 900 (0.2+ 3.5+) 080606 J40 1.2- 0.5+ 080701 850 (1.1- 2.3+)
080514 900 0.3- 1.0+ 080606 J40 0.0 0.0 080701 850 0.4- 1.0-
080514 900 1.1- 0.7+ 080606 J40 0.7+ 0.6+ 080701 585 1.7+ 1.0+
080514 900 (0.5+ 4.7+) 080606 J40 1.5+ 0.5+ 080701 629 0.2+ 0.2+
080515 H06 1.6+ 0.3- 080606 F85 0.2- 0.5- 080701 585 0.4+ 0.0
080515 H06 1.0+ 0.1- 080606 F85 0.0 0.2- 080701 585 0.3+ 0.5-
080515 854 0.8- 0.0 080606 F85 0.0 0.2- 080701 629 0.3+ 0.4+
080515 854 1.3- 0.7- 080606 367 0.4+ 0.4+ 080701 585 0.4- 0.1-
080515 H06 0.2- 0.1+ 080606 367 0.3+ 0.1- 080701 585 0.3+ 0.5+
080515 854 0.9- 0.2- 080606 367 0.5- 0.2- 080701 585 0.7+ 0.2-
080515 G96 1.6- 1.3- 080608 J47 (0.3- 2.7-) 080701 629 0.0 0.3-
080515 G96 0.8- 0.8- 080608 J47 0.6- 0.9- 080701 585 0.1+ 0.8+
080515 G96 1.4- 1.3- 080608 J47 0.6+ 0.8- 080702 204 0.0 0.0
080515 G96 1.4- 0.4- 080609 585 1.0- 1.6- 080702 J24 0.2+ 1.0+
080515 349 1.6+ 0.5+ 080609 585 1.0- 1.5- 080702 J24 0.0 0.5+
080515 349 1.4+ 0.7+ 080609 585 1.4+ 0.1- 080702 J24 0.2+ 0.1-
080515 349 1.0+ 0.3+ 080609 585 (0.1+ 2.1+) 080702 B42 (1.0+ 2.0+)
080516 H51 1.6+ 0.3- 080609 585 0.5+ 1.8- 080702 B42 0.7- 1.5+
080516 H51 0.3+ 0.0 080609 585 (2.2- 3.6-) 080704 349 0.2- 0.5-
080516 H51 1.5+ 0.5+ 080609 118 0.3- 0.3+ 080704 349 0.2- 0.6-
080516 H51 0.3+ 0.8- 080610 118 0.1+ 0.2+ 080704 349 0.1- 0.4-
080516 H51 0.0 0.1+ 080610 118 0.0 0.2+ 080705 204 0.2+ 0.1+
080516 H51 0.3- 0.1+ 080610 118 0.7+ 0.5+ 080705 204 0.1- 0.2+
080516 H51 0.6- 0.1+ 080612 D81 0.7- 0.3- 080707 H45 0.4+ 0.6-
080516 H51 0.6+ 0.5- 080612 D81 0.4+ 0.3- 080707 H45 0.3+ 0.4-
080516 H51 0.6+ 0.0 080612 D81 (0.0 2.1-) 080707 H45 0.2+ 0.3+
080516 H51 1.1+ 0.1- 080612 D81 0.2+ 0.1- 080707 H45 0.6+ 0.5-
080516 367 1.1+ 0.4+ 080612 349 0.5+ 0.7+ 080707 H45 0.7+ 0.2-
080516 367 0.5+ 0.2+ 080612 349 0.3+ 0.6+ 080707 H45 0.6+ 0.5-
080516 367 0.8+ 0.5+ 080612 900 0.1+ 0.5+ 080708 J47 0.1- 0.5+
080516 367 1.0+ 0.7+ 080612 349 0.1+ 0.2+ 080708 J47 0.3- 0.0
080517 H06 1.9- 0.5+ 080612 900 0.0 0.3+ 080708 J47 0.0 0.1+
080517 H06 0.5- 1.2- 080613 B49 1.3- 0.3+ 080708 J47 0.4- 0.2-
080518 J24 1.0- 1.0- 080613 J51 0.4- 0.9- 080709 945 0.2+ 1.1+
080518 J24 0.6- 0.4- 080613 J51 0.1- 1.1- 080709 945 0.5- 1.2+
080518 J24 (1.8- 3.8-) 080613 J51 0.1- 0.6- 080709 945 0.9- 1.0+
080519 J24 1.4- 1.2- 080614 H06 (0.6+ 2.4-) 080709 H45 0.7+ 0.1+
080519 J24 (1.2- 2.1-) 080614 H06 0.4- 0.7+ 080709 H45 0.7+ 0.2-
080519 J24 1.0- 1.9- 080615 H06 1.3- 1.0- 080709 H45 0.6+ 0.1-
080520 349 0.2+ 0.1+ 080615 H06 (1.4+ 3.2-) 080709 H45 0.5+ 0.0
080520 349 0.3+ 0.1- 080616 J70 0.9+ 1.3+ 080709 H45 0.4+ 0.4-
080522 J40 (2.0+ 1.1+) 080616 J70 1.2+ 0.7+ 080709 J38 1.1- 0.4+
080522 J40 0.5+ 1.1- 080616 J70 1.1+ 0.0 080709 J38 0.0 0.1+
080522 J40 0.9+ 0.4+ 080617 H06 0.6+ 0.7+ 080711 H45 0.1- 0.0
080522 J40 (0.8- 2.3+) 080619 213 0.1+ 0.4+ 080711 H45 0.2- 0.3-
080523 J51 0.0 0.3+ 080619 213 0.6- 0.4+ 080711 H45 0.1- 0.0
080523 J51 0.1+ 0.5+ 080619 213 1.5- 0.3+ 080711 H45 0.1- 0.4-
080523 J51 0.2+ 0.4- 080621 J70 0.2- 0.8+ 080711 H45 0.1- 0.3-
080525 J47 0.4+ 0.6+ 080621 J70 0.7+ 1.5+ 080712 J27 0.4- 0.3+
080525 J47 0.4- 0.6+ 080621 J70 0.3- 1.3+ 080712 J27 0.8+ 0.6+
080525 J47 0.5+ 0.5+ 080622 232 0.4- 0.3- 080712 J27 0.1+ 0.3+
080526 461 0.1- 1.0+ 080622 232 0.5- 0.2- 080712 H45 0.1- 0.0
080526 461 0.3+ 0.7+ 080622 232 0.3- 0.7- 080712 H45 0.0 0.1-
080526 900 0.7- 1.4- 080622 213 0.6- 0.5- 080712 H45 0.0 0.2-
080526 900 0.4- 1.6+ 080622 213 0.7- 0.5- 080712 H45 0.1+ 0.2-
080527 118 0.2+ 0.3+ 080622 213 0.4- 0.4- 080712 H45 0.2+ 0.0
080527 118 1.3+ 0.3- 080623 A13 0.5- 0.2+ 080712 H45 0.2+ 0.2-
080529 673 1.0+ 0.9+ 080623 204 0.5+ 0.3- 080713 H47 0.3- 0.2+
080529 673 1.0+ 1.0+ 080623 A13 0.7- 0.4- 080713 H47 0.7+ 0.2+
080529 673 0.6+ 0.7+ 080623 A13 0.6+ 0.7- 080715 J47 0.1+ 0.0
080529 673 0.8+ 0.9+ 080624 204 0.0 0.0 080715 J47 0.3+ 0.0
080531 300 0.2- 0.0 080627 J51 (0.4+ 2.5-) 080715 J47 0.0 0.0
080531 300 0.4- 0.2- 080627 J51 (0.4+ 2.6-) 080715 J47 0.0 0.1+
080531 300 0.2- 0.2- 080627 J51 1.6+ 0.8- 080715 H45 0.2- 0.0
080531 300 0.0 0.6- 080628 850 0.1+ 0.3- 080715 H45 0.2- 0.3+
080531 300 0.1- 0.2+ 080628 850 0.2- 0.3- 080715 H45 0.3- 0.1-
080531 367 1.3+ 0.7- 080629 151 0.7- 0.6- 080715 H45 0.1- 0.0
080531 367 0.0 0.2- 080629 151 1.1- 0.6- 080715 H45 0.0 0.2-
080531 367 0.5+ 0.8+ 080629 151 0.7- 0.1-
080601 J47 0.1- 0.3- 080629 151 0.9- 0.4-
The "original" and "future" barycentric values of 1/a are +0.000031
and -0.000474 (+/- 0.000050) AU^-1, respectively.
Brian G. Marsden (C) Copyright 2008 MPC M.P.E.C. 2008-N42
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