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M.P.E.C. 2008-H20 Issued 2008 Apr. 22, 18:57 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 P/1994 J3 = 2008 G2 (SHOEMAKER)
Observations:
PK08G020 C2008 04 01.43860 15 10 08.22 +11 20 48.8 19.2 N EH020703
PK08G020 C2008 04 01.44683 15 10 08.00 +11 20 51.0 19.0 N EH020703
PK08G020 C2008 04 01.45497 15 10 07.78 +11 20 52.5 18.9 N EH020703
PK08G020 C2008 04 01.46317 15 10 07.60 +11 20 54.0 19.2 N EH020703
PK08G020 C2008 04 10.30664 15 06 27.21 +11 53 06.5 18.6 N EH020703
PK08G020 C2008 04 10.31537 15 06 26.92 +11 53 08.3 18.4 N EH020703
PK08G020 C2008 04 10.32413 15 06 26.64 +11 53 09.8 18.3 N EH020703
PK08G020 C2008 04 10.33286 15 06 26.38 +11 53 11.4 18.8 N EH020703
Observer details:
703 Catalina Sky Survey. Observer R. A. Kowalski. Measurers E. C. Beshore,
A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
S. M. Larson. 0.68-m Schmidt + CCD.
Orbital elements:
P/1994 J3 = 2008 G2 (Shoemaker)
Epoch 1994 Oct. 15.0 TT = JDT 2449640.5
T 1994 Oct. 14.57465 TT MPC
q 2.9442812 (2000.0) P Q
n 0.06784752 Peri. 192.12501 +0.24062116 +0.87554938
a 5.9536055 Node 92.94333 -0.85179894 +0.39741424
e 0.5054625 Incl. 24.80291 -0.46533860 -0.27472752
P 14.53
Epoch 2009 Mar. 30.0 TT = JDT 2454920.5
T 2009 Apr. 9.81934 TT MPC
q 2.9353518 (2000.0) P Q
n 0.06762254 Peri. 191.92261 +0.23767364 +0.87666492
a 5.9668032 Node 92.94836 -0.85322884 +0.39423435
e 0.5080528 Incl. 24.76190 -0.46423248 -0.27574971
P 14.58
Residuals in seconds of arc
940514 675 0.1+ 1.2- 940603 372 0.2+ 0.5- 940702 046 0.5+ 0.5+
940514 675 0.5- 1.0- 940604 111 1.7- 0.6- 940705 801 (2.4+ 0.9-)
940520 897 0.9- 0.1+ 940604 111 1.1- 0.1- 940705 801 1.1+ 0.8+
940520 897 0.9- 0.3- 940604 111 0.3- 1.8+ 940705 372 0.8+ 0.6+
940520 372 1.0- 1.7- 940604 675 0.3+ 0.1+ 940705 372 0.5- 0.1+
940520 897 0.0 0.5+ 940604 675 0.4- 0.1+ 940707 360 0.1+ 0.0
940520 372 1.4- 1.3- 940606 675 (0.9+ 2.7-) 940707 360 0.1+ 0.1+
940522 817 1.5- 0.0 940607 675 0.7+ 1.9- 940709 675 (0.7+ 2.6-)
940522 817 0.2- 0.1- 940607 675 0.5- 1.5- 940710 675 (2.1+ 1.2-)
940522 817 1.2- 1.3+ 940609 817 1.0+ 0.4- 940711 675 0.2+ 0.2-
940522 693 0.9- 0.3- 940609 817 1.7+ 0.1- 940712 801 0.2- 0.3-
940522 693 0.7- 0.1- 940609 817 (3.2+ 1.9+) 940712 817 (1.1+ 2.1+)
940522 693 0.3- 0.4- 940609 817 (0.7+ 2.0+) 940712 817 (0.9- 5.3+)
940522 693 0.8- 0.0 940609 801 0.1- 0.3+ 940712 675 1.1+ 1.5-
940522 372 (0.5- 2.2-) 940609 801 (2.3+ 2.1-) 940713 801 (1.6- 2.2+)
940522 360 0.6- 0.0 940609 691 0.7+ 0.2- 940713 801 1.8+ 1.3+
940522 360 0.5- 0.6+ 940609 691 0.7+ 0.2- 940713 675 1.2+ 1.1-
940522 372 0.6+ 0.3- 940609 691 0.6+ 0.2- 940713 360 0.1+ 0.1+
940523 786 (1.9+ 9.2+) 940609 323 0.3- 1.6- 940713 360 0.1+ 0.1-
940523 786 (1.2- 8.4+) 940610 372 (1.3+ 2.0+) 940714 675 0.9+ 0.5-
940523 557 0.6+ 0.2- 940615 372 0.2+ 0.2+ 940801 675 0.7- 1.7-
940523 557 0.6+ 0.4+ 940615 372 0.5+ 0.1- 940801 675 0.1- 1.8-
940523 557 0.7- 0.7+ 940616 817 1.4+ 1.0+ 940802 675 0.7+ 0.4-
940528 817 (0.8+ 2.5+) 940616 817 0.5+ 1.5+ 940802 675 0.6- 0.3-
940528 817 0.3- 1.8+ 940616 817 0.1+ 1.1+ 940804 675 0.6+ 0.2+
940528 817 0.1+ 1.7+ 940616 817 1.2- 0.8+ 940804 675 1.7- 0.4+
940528 817 0.0 2.0+ 940616 817 1.6+ 0.3+ 940807 801 (0.1+ 3.1+)
940528 817 (2.3- 1.9+) 940616 691 0.6- 0.8+ 940807 801 (2.3+ 0.7+)
940530 372 (2.1+ 0.1+) 940616 691 0.5- 0.3+ 940812 381 0.9- 0.2+
940601 817 0.3- 0.2+ 940617 104 0.2- 0.5+ 940812 381 0.6- 0.3+
940601 817 1.6- 0.0 940617 104 0.2+ 0.5+ 940813 897 (2.8+ 0.7+)
940601 658 0.5+ 0.2+ 940617 104 0.1+ 0.1- 940813 897 0.6+ 0.4+
940601 658 0.2+ 0.3- 940617 104 0.3- 1.5- 940813 897 1.1+ 0.3-
940601 658 0.3+ 0.2+ 940617 104 0.5+ 0.9- 940826 413 0.4- 0.3+
940601 360 0.2- 0.0 940617 104 0.1- 0.7- 940826 413 0.8- 0.1+
940601 360 0.2- 0.1+ 940617 104 0.2+ 0.5- 940826 360 0.3+ 0.2+
940602 675 0.3+ 0.1- 940617 104 0.3+ 0.4- 940826 360 0.3- 0.4-
940602 675 0.1+ 0.7- 940624 046 1.6+ 1.0- 940917 413 0.7- 0.6-
940602 410 1.2+ 1.0+ 940624 046 0.6- 0.7- 940917 413 0.7- 0.7-
940602 410 1.1- 0.0 940624 046 0.2+ 1.0- 940918 413 0.9- 0.3-
940602 360 0.0 0.1+ 940624 046 0.2+ 0.2- 080401 703 0.9+ 0.1+
940602 360 0.2- 0.1- 940626 292 1.2+ 0.0 080401 703 0.3+ 0.4+
940603 360 0.1- 0.4+ 940626 292 0.8- 0.9+ 080401 703 0.3- 0.0
940603 360 0.3- 0.1+ 940702 360 0.1+ 0.0 080401 703 0.3- 0.4-
940603 897 0.2- 1.2+ 940702 360 0.0 0.2+ 080410 703 0.3+ 0.1-
940603 897 0.4- 0.9+ 940702 046 0.8+ 0.8+ 080410 703 0.2- 0.0
940603 897 0.8- 0.8- 940702 046 0.2- 0.0 080410 703 0.5- 0.2-
940603 372 0.2+ 0.8+ 940702 046 0.5+ 0.1+ 080410 703 0.5- 0.4-
Ephemeris:
P/1994 J3 = 2008 G2 (Shoemaker)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2008 04 14 15 04.59 +12 04.6 2.933 3.822 148.2 8.0 18.2 20.3
2008 04 24 14 58.80 +12 27.9 2.867 3.782 151.6 7.3 18.1 20.2
2008 05 04 14 52.26 +12 36.9 2.827 3.743 151.4 7.4 18.0 20.2
2008 05 14 14 45.51 +12 28.7 2.813 3.705 147.4 8.4 17.9 20.2
2008 05 24 14 39.16 +12 02.2 2.823 3.667 141.1 10.0 17.9 20.2
2008 06 03 14 33.70 +11 17.8 2.856 3.629 133.5 11.7 17.9 20.3
2008 06 13 14 29.56 +10 16.9 2.908 3.592 125.3 13.3 17.9 20.4
2008 06 23 14 27.02 +09 02.0 2.976 3.555 117.1 14.7 17.9 20.4
2008 07 03 14 26.20 +07 35.8 3.057 3.519 108.8 15.9 17.9 20.5
2008 07 13 14 27.16 +06 01.0 3.147 3.484 100.8 16.7 17.9 20.6
2008 07 23 14 29.83 +04 20.0 3.242 3.449 93.1 17.1 17.9 20.6
2008 08 02 14 34.12 +02 34.8 3.341 3.415 85.5 17.2 18.0 20.7
2008 08 12 14 39.92 +00 47.1 3.440 3.382 78.2 17.1 18.0 20.7
2008 08 22 14 47.11 -01 01.6 3.536 3.349 71.1 16.6 18.0 20.8
2008 09 01 14 55.58 -02 50.1 3.629 3.317 64.3 15.9 18.0 20.8
2008 09 11 15 05.20 -04 37.5 3.715 3.287 57.5 15.0 18.0 20.8
2008 09 21 15 15.89 -06 22.8 3.794 3.257 51.0 13.9 18.0 20.8
2008 10 01 15 27.55 -08 05.2 3.865 3.228 44.5 12.6 18.0 20.7
2008 10 11 15 40.10 -09 44.0 3.925 3.200 38.2 11.1 18.0 20.7
2008 10 21 15 53.46 -11 18.5 3.975 3.173 31.9 9.5 18.0 20.6
Brian G. Marsden (C) Copyright 2008 MPC M.P.E.C. 2008-H20
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