Read MPEC 2008-O43
Read MPEC 2008-O45
M.P.E.C. 2008-O44 Issued 2008 July 29, 17:34 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 51P/HARRINGTON
Observations:
0051P C2008 07 28.43016 03 15 09.54 +12 37 52.3 15.8 T EO044703
0051P C2008 07 28.43561 03 15 10.25 +12 37 55.8 15.8 T EO044703
0051P C2008 07 28.44096 03 15 10.93 +12 37 58.2 15.8 T EO044703
0051P C2008 07 28.44637 03 15 11.71 +12 38 00.8 15.8 T EO044703
0051P C2008 07 29.06008 03 16 31.19 +12 43 04.9 14.8 T EO044246
0051P C2008 07 29.06072 03 16 31.28 +12 43 05.4 EO044246
0051P C2008 07 29.06137 03 16 31.36 +12 43 05.8 EO044246
0051P C2008 07 29.06212 03 16 31.46 +12 43 06.3 EO044246
0051P C2008 07 29.06292 03 16 31.55 +12 43 06.5 EO044246
0051P C2008 07 29.06370 03 16 31.65 +12 43 06.9 EO044246
0051P C2008 07 29.06449 03 16 31.75 +12 43 07.2 EO044246
0051P C2008 07 29.06527 03 16 31.87 +12 43 07.6 EO044246
0051P C2008 07 29.06604 03 16 31.97 +12 43 08.1 EO044246
0051P C2008 07 29.06688 03 16 32.07 +12 43 08.4 EO044246
0051P C2008 07 29.06779 03 16 32.19 +12 43 08.8 EO044246
0051P C2008 07 29.06880 03 16 32.32 +12 43 09.2 EO044246
Observer details:
246 Klet Observatory-KLENOT. Observer M. Tichy. 1.06-m KLENOT Telescope
+ CCD.
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:
51P/Harrington
Epoch 1994 Sept. 5.0 TT = JDT 2449600.5
T 1994 Aug. 23.23725 TT MPC
q 1.5718706 (2000.0) P Q
n 0.14531840 Peri. 233.45716 +0.98395493 +0.12081463
a 3.5830729 Node 119.26215 -0.07228234 +0.94268682
e 0.5613065 Incl. 8.65543 -0.16311944 +0.31103921
P 6.78
Epoch 2001 June 20.0 TT = JDT 2452080.5
T 2001 June 5.74647 TT MPC
q 1.5681165 (2000.0) P Q
n 0.14557696 Peri. 233.60207 +0.98407078 +0.11974294
a 3.5788291 Node 119.17998 -0.07119024 +0.94271183
e 0.5618353 Incl. 8.65597 -0.16290074 +0.31137763
P 6.77
Epoch 2008 June 23.0 TT = JDT 2454640.5
T 2008 June 18.43364 TT MPC
q 1.6875613 (2000.0) P Q
n 0.13829150 Peri. 269.18979 +0.98798583 +0.12263148
a 3.7034435 Node 83.76257 -0.07449272 +0.91108849
e 0.5443264 Incl. 5.42891 -0.13540619 +0.39354706
P 7.13
From 337 observations 1994-2008, mean residual 0".9. Nongravitational
parameters A1 = +1.75, A2 = +0.2693.
Residuals in seconds of arc
J9451 691 0.1+ 0.9+ K017C 349 0.3- 1.8+ K01CB 213 0.4- 0.3-
J9451 691 0.1+ 0.9+ K017C 349 0.2- 1.8+ K01CB 213 0.3- 1.3+
J9451 691 0.6- 1.4+ K017C 349 0.5+ 1.5+ K01CB 170 1.2+ 0.2+
J9451 691 1.0+ 0.4+ K017L 349 1.5+ 0.8+ K01CB 213 0.9+ 0.5+
J9452 691 1.1- 0.7- K017L 349 1.2+ 1.3+ K01CB 170 0.1- 0.5+
J9452 691 0.6- 0.1+ K018H 170 (3.9- 0.3+) K01CB 170 0.7- 0.6+
J9452 691 0.1- 0.8+ K018H 170 1.1- 1.1+ K01CB 170 0.1- 0.8+
J9452 691 1.1- 0.4+ K018O 170 (5.7- 0.4+) K01CC 235 0.4+ 1.2+
J9458 360 1.2- 0.8- K018P 170 (3.1- 1.2+) K01CD 170 1.0- 1.2+
J9458 360 0.5- 0.8- K018R 170 (2.1- 0.8+) K01CD 170 0.5+ 0.3+
J945M 360 0.6+ 0.0 K018R 360 0.6- 1.4+ K01CD 170 0.9- 0.5+
J945M 360 0.4+ 0.4+ K018R 360 1.1- 1.2+ K01CE 235 0.1- 1.4+
J9465 360 1.3+ 0.3+ K019N 349 1.4- 1.3+ K01CE 046 0.1+ 0.5+
J9465 360 0.7+ 0.2- K019N 349 1.2- 1.4+ K01CE 046 0.1+ 0.1+
J946D 691 0.1+ 1.1+ K019N 402 0.2- 1.0+ K01CE 046 0.3- 0.0
J946D 691 0.5- 1.0+ K019N 402 0.3- 0.9+ K01CE 046 0.1+ 1.3+
J946D 691 0.4+ 0.9+ K019N 402 0.2- 1.0+ K01CE 046 0.2+ 1.1+
J9477 360 (2.3+ 0.5+) K019O 170 1.8- 0.6+ K01CE 046 0.2- 1.6+
J9477 360 1.8+ 0.2+ K019O 170 1.4- 0.6+ K01CF 587 0.3+ 0.5+
J947F 360 (2.0+ 0.7+) K019O 170 1.4- 0.7+ K01CF 587 0.4- 0.3+
J947F 360 1.7+ 0.4+ K019O 349 1.5- 1.2+ K01CG 941 (3.2- 0.6-)
J947S 897 1.7+ 0.7- K019O 349 1.7- 1.5+ K01CG 941 1.3- 0.0
J947S 897 0.0 0.1- K019O 349 1.4- 1.3+ K01CG 941 1.8- 0.4+
J947S 897 1.1+ 0.5- K019O 349 1.5- 1.3+ K01CG 235 0.4+ 0.1-
J9483 360 (2.3+ 0.1-) K019P 903 (3.8- 1.0+) K01CG 213 0.0 1.3+
J9483 360 (2.9+ 0.1-) K019P 903 (3.6- 0.3+) K01CG 213 0.9+ 0.9+
J9484 897 1.6+ 1.2- K019P 903 (3.5- 0.8+) K01CH 704 1.1+ 1.7+
J9484 897 1.2+ 0.1+ K019S 349 1.9- 1.1+ K01CH 704 0.6- 1.7+
J948D 381 (2.1+ 0.1+) K019S 349 1.7- 1.6+ K01CH 704 (5.6- 1.8+)
J948D 381 2.0+ 0.1+ K019S 349 (2.2- 1.5+) K01CH 704 (3.3- 1.1+)
J948E 897 1.0+ 1.2- K019S 349 2.0- 1.5+ K01CI 704 1.3- 0.4+
J948E 897 0.6+ 0.4- K01A2 349 1.7- 1.2+ K01CI 704 0.5+ 0.3+
J948F 360 1.7+ 0.0 K01A2 349 (2.5- 1.6+) K01CI 704 0.3- 0.0
J948F 360 2.0+ 0.0 K01A2 349 (2.7- 0.9+) K01CI 360 1.1+ 0.0
J9492 801 1.2- 0.3+ K01A2 349 (2.5- 1.3+) K01CI 360 0.8+ 0.3-
J9492 801 1.3- 0.2+ K01AB 349 (2.2- 2.5+) K01CI 235 1.4- 0.5-
J9497 801 1.1- 0.2+ K01AB 349 (1.1- 2.8+) K01CJ 213 0.2+ 1.9-
J9497 801 0.8- 0.1- K01AC 340 (2.1- 0.9+) K01CJ 213 1.3+ 0.5-
J9498 360 0.3+ 0.2+ K01AC 340 (4.1- 0.5+) K01CJ 170 0.3- 0.4-
J9498 360 0.3+ 0.2+ K01AC 340 (3.5- 0.5+) K01CK 170 1.5+ 0.4-
J9499 410 0.1- 0.6- K01AC 340 (2.5- 0.9+) K01CK 170 0.7- 0.7-
J9499 410 1.1- 0.5- K01AC 349 (2.7- 0.9+) K01CK 170 0.0 0.3-
J949A 693 1.1- 1.4- K01AC 349 (2.8- 0.6+) K01CK 170 0.1+ 0.3-
J949A 693 1.2- 1.3- K01AC 349 (3.4- 1.5+) K01CK 170 0.1+ 0.2-
J949A 693 1.2- 1.3- K01AC 349 (2.7- 1.1+) K01CM 213 0.2- 1.8-
J949D 360 0.2- 0.1- K01AE 402 1.5- 1.0+ K01CM 213 1.0+ 0.1-
J949D 360 0.3- 0.1- K01AE 402 1.2- 0.9+ K01CM 213 0.4- 0.0
J949P 897 0.4- 0.8- K01AE 402 1.2- 0.9+ K01CM 213 0.8- 1.0-
J949P 897 2.0- 0.3+ K01AG 629 0.4- 1.4+ K01CN 704 1.7- 0.1-
J949P 897 0.6- 0.0 K01AG 629 0.4- 1.0+ K01CN 704 1.9- 0.7+
J949U 897 1.4- 0.0 K01AJ 170 (3.9- 1.2+) K01CN 704 (4.1- 1.4+)
J949U 897 0.9- 0.3+ K01AJ 170 1.2- 0.7+ K01CN 704 (4.0- 0.0 )
J94A1 410 0.4- 0.3+ K01AJ 349 (2.6- 0.8+) K01CN 461 (2.0+ 0.3-)
J94A1 410 0.6- 0.2+ K01AJ 349 (2.0- 0.7+) K01CN 461 0.5+ 0.1+
J94A2 360 0.3+ 0.1+ K01AJ 349 (2.2- 1.5+) K01CN 461 1.5+ 1.0+
J94A2 360 0.2+ 0.1+ K01AP 170 0.3- 0.4+ K01CN 461 0.9+ 0.1+
J94A4 801 (2.6- 1.0+) K01AP 170 (4.4- 0.7+) K01CN 235 0.9+ 0.3+
J94A4 801 0.9- 0.5+ K01AP 170 0.5- 0.4+ K01CO 170 1.1+ 0.7-
J94A4 691 0.4+ 0.2- K01AP 170 0.9+ 0.7+ K01CO 170 (2.2- 0.4-)
J94A4 691 0.2+ 0.0 K01AQ 349 (2.1- 1.5+) K01CO 461 1.0+ 1.0+
J94A4 691 0.1- 0.2- K01AQ 349 1.6- 0.8+ K01CO 461 0.8+ 1.3+
J94A4 691 0.2+ 0.1- K01B3 170 (2.3- 1.0+) K01CO 461 0.2+ 1.6+
J94A5 046 0.4- 0.3+ K01BB 118 0.9- 1.1+ K01CP 213 (4.2- 0.1+)
J94A5 046 0.4- 0.3+ K01BH 704 (1.5- 3.4+) K01CP 213 (0.2- 2.6-)
J94A5 046 0.3- 0.3+ K01BH 704 (2.4- 1.9+) K01CP 213 (2.5- 2.4-)
J94A5 691 0.5+ 0.6- K01BH 704 (3.0- 0.7+) K01CP 170 1.0- 0.4-
J94A5 691 0.3+ 0.5- K01BH 704 (5.0- 0.4-) K01CP 170 0.2+ 1.0-
J94A7 557 0.2+ 0.1- K01BH 704(12.1- 0.3+) K01CQ 349 1.8+ 1.2+
J94A7 046 0.2- 0.3- K01BI 170 (5.0- 0.4+) K01CQ 349 (2.0+ 1.5-)
J94A7 557 0.2- 0.2- K01BI 704 (2.3- 0.8+) K01CQ 349 0.5+ 0.7+
J94A7 046 0.2- 0.3- K01BI 704 (2.2- 1.6+) K0211 235 1.2+ 0.3+
J94A7 046 0.2- 0.1- K01BI 704 (3.4- 0.1+) K0212 235 (2.4- 0.0 )
J94A7 557 0.0 0.3- K01BI 704 2.0- 0.8+ K0213 349 0.3+ 0.6-
J94A7 801 (2.2- 0.2-) K01BI 704 (4.8- 1.8+) K0213 349 1.1- 0.5+
J94A7 801 0.7- 0.2+ K01BI 704 (0.2+ 5.3+) K0213 613 1.3- 0.3-
J94A8 557 0.2+ 0.2- K01BI 704 (7.0- 3.3+) K0213 613 0.1+ 0.5-
J94A8 557 0.1+ 0.1- K01BI 704(10.5- 1.7+) K0213 613 1.2- 0.0
J94A9 557 0.1+ 0.4- K01BN 349 (3.2- 0.8+) K0214 215 0.7+ 0.2+
J94A9 557 0.1+ 0.1- K01BN 349 1.5- 0.2- K0214 215 1.4+ 0.7-
J94AA 557 0.3+ 0.1+ K01BN 349 1.9- 0.3+ K0214 215 1.2+ 0.5+
J94AA 557 0.2+ 0.2- K01C6 170 1.3- 0.8+ K0214 046 1.6+ 0.1+
J94AE 897 0.8+ 0.2- K01C6 170 1.0- 0.3+ K0214 046 1.1+ 0.4+
J94AE 897 1.0- 0.1+ K01C6 170 (2.9- 0.0 ) K0214 046 0.4+ 0.5-
J94AE 360 0.1+ 0.3- K01C6 620 (2.0- 0.9+) K0214 046 0.6+ 0.3-
J94AE 360 0.1+ 0.3- K01C6 620 1.6- 1.0+ K0214 235 1.5- 0.9-
J94AU 360 0.7+ 0.0 K01C6 213 1.3- 0.6+ K0214 613 0.7+ 1.0-
J94AU 360 0.1+ 0.2- K01C6 213 1.1- 0.6+ K0216 235 0.4- 0.6-
J94B1 897 0.6+ 0.8+ K01C6 620 (2.4- 0.8+) K0217 235 0.6+ 0.0
J94B1 897 0.0 2.0+ K01C6 213 1.3+ 0.6+ K0217 170 0.6+ 0.3+
J94B4 410 0.1- 1.1+ K01C7 170 1.0- 0.2+ K0218 235 (2.5+ 0.8-)
J94B4 410 0.1+ 1.7+ K01C7 213 1.2+ 1.2- K0219 587 0.9+ 0.6-
J94B7 691 0.1+ 1.3- K01C7 213 (3.6- 1.6-) K0219 587 0.3+ 1.1-
J94B7 691 0.4+ 1.2- K01C7 213 0.1- 0.4- K021A 046 1.1+ 0.3-
J94B8 801 0.5+ 1.1- K01C7 213 1.2- 0.4- K021A 046 0.5+ 0.1+
J94B8 801 0.6+ 0.2+ K01C7 941 (2.4- 0.5+) K021A 046 1.9+ 0.7-
J94B8 360 0.5+ 1.0- K01C7 941 1.8- 0.7+ K021A 235 0.5- 0.1+
J94B8 360 0.4+ 1.0- K01C7 941 1.4- 0.6+ K021B 360 1.5+ 0.1-
J94B9 691 0.0 1.5- K01C7 941 (2.6- 1.0+) K021B 360 0.8+ 0.3-
J94B9 691 0.3+ 1.6- K01C7 170 0.1- 0.3+ K021B 620 0.7+ 0.8-
J94B9 691 0.2+ 1.7- K01C7 170 0.3- 0.4+ K021B 213 0.8- 1.7-
J94BN 410 1.0+ 0.4- K01C8 349 1.2- 0.5+ K021B 213 0.2- 0.7-
J94BN 410 0.4- 0.7- K01C8 349 0.0 1.2+ K021B 620 0.8+ 0.8-
J94BN 360 0.2+ 1.4- K01C8 349 0.2- 1.6+ K021B 620 0.8+ 0.4-
J94BN 360 (0.2- 2.1-) K01C8 213 0.8- 0.3+ K021B 170 0.4- 0.7-
J94BO 897 (0.6+ 2.7-) K01C8 213 (2.2- 0.2-) K021B 170 (2.2+ 0.2+)
J94BO 897 0.1- 1.4- K01C8 611 0.6- 0.7+ K021C 235 0.8- 1.4-
J94BO 897 0.4+ 0.8- K01C8 611 0.7- 0.7+ K021E 704 (2.7+ 0.7+)
J94BQ 410 0.4+ 0.3- K01C8 213 0.9- 0.1+ K021E 704 (3.3+ 1.5+)
J94BQ 410 1.0+ 0.4- K01C8 118 0.4+ 0.9+ K021E 704 0.1- 1.0+
J94BQ 410 1.1+ 1.0- K01C8 118 0.3+ 0.4+ K021G 046 (3.0+ 1.3+)
J94C1 118 1.1- 0.4- K01C8 118 0.5- 0.7+ K021G 046 (2.3+ 0.3+)
J94C3 118 0.4- 0.4- K01C8 611 0.7- 0.5+ K021G 235 0.2+ 0.1-
J94C3 118 1.1+ 0.2- K01C9 170 0.6- 0.4+ K021H 235 1.4+ 0.2-
J94C4 897 1.7+ 0.0 K01C9 170 1.1- 0.5+ K021H 170 0.0 0.2+
J94C4 897 1.7+ 0.8- K01C9 170 0.2- 0.5+ K021H 170 1.8+ 0.1+
J94C4 360 (0.1+ 2.5-) K01C9 170 0.1- 0.4+ K021I 170 0.8+ 1.5-
J94C4 410 1.3+ 0.0 K01C9 309 1.1+ 0.2+ K021K 170 0.8+ 0.0
J94C4 360 (0.0 2.4-) K01C9 691 0.6+ 0.1+ K021V 620 (1.9+ 2.3-)
J94C4 410 0.8+ 1.1- K01C9 691 0.5- 0.5+ K021V 620 1.3+ 0.7+
J94C4 410 0.3+ 1.4- K01C9 691 0.1+ 0.2+ K0221 620 (3.8- 3.1-)
J94C6 360 (0.3+ 3.0-) K01C9 118 1.1+ 0.0 K0221 620 0.5- 1.1+
J94C6 360 (0.5+ 2.9-) K01C9 118 0.1+ 0.5+ K0222 170 (4.9- 1.4-)
J94C6 359 (0.0 4.0-) K01C9 118 0.2- 0.6+ K0222 170 1.4- 1.7-
J94C6 359 (1.0+ 3.1-) K01C9 235 0.8+ 0.2- K0222 170 (0.8- 2.3-)
J94C9 691 (0.3- 2.3-) K01C9 046 0.6+ 0.3+ K0227 360 1.5+ 0.5-
J94C9 691 (1.1- 2.8-) K01C9 046 0.3+ 0.4+ K0227 360 1.1+ 0.3-
J94C9 691 (0.7- 2.7-) K01C9 046 0.2- 0.7+ K0227 360 1.1+ 1.4-
J94CM 360 (0.7- 2.4-) K01C9 046 0.4+ 0.3- K087S 703 0.5- 1.3+
J94CM 360 (0.0 2.7-) K01C9 046 0.3- 0.9+ K087S 703 (0.4- 2.0+)
J94CT 410 1.3+ 1.2- K01C9 046 1.4- 0.4+ K087S 703 0.5- 1.7+
J94CT 410 1.2- 1.9- K01C9 046 1.5- 0.7+ K087S 703 0.7+ 1.6+
J94CT 410 (1.1+ 2.0-) K01C9 046 0.9- 0.1- K087S 703 0.5- 1.3+
J94CV 897 0.3+ 0.6- K01C9 170 (2.4- 0.8+) K087S 703 (0.4- 2.0+)
J94CV 897 (5.8+ 3.6-) K01C9 170 0.3- 0.9+ K087S 703 0.5- 1.7+
J94CV 897 1.6+ 0.7- K01C9 170 0.0 1.0+ K087S 703 0.7+ 1.6+
J94CV 897 (3.9+ 1.0+) K01C9 170 0.2+ 1.3+ K087T 246 1.1- 1.8+
J9512 410 1.3+ 1.9- K01C9 611 0.2+ 0.5+ K087T 246 0.9- 2.0+
J9512 410 1.1+ 1.0- K01C9 611 0.4+ 0.5+ K087T 246 (1.0- 2.0+)
J9512 410 1.1+ 1.2- K01C9 611 0.1+ 0.3+ K087T 246 (1.0- 2.2+)
J9513 691 (1.5- 3.1-) K01CA 309 1.1+ 0.2+ K087T 246 1.1- 2.0+
J9513 691 (1.2- 3.0-) K01CA 349 0.2+ 0.9+ K087T 246 1.2- 2.0+
J951S 695 (1.6- 2.7-) K01CA 349 1.2+ 0.2+ K087T 246 1.2- 1.9+
J951S 695 (1.3- 2.7-) K01CA 349 0.2- 1.2+ K087T 246 0.9- 1.9+
J951S 695 (1.5- 3.1-) K01CA 235 (5.3- 2.0+) K087T 246 0.9- 2.0+
K0171 349 (4.0+ 0.1+) K01CA 587 0.4+ 0.4+ K087T 246 1.0- 1.9+
K0171 349 (3.7+ 1.1+) K01CA 587 0.2- 0.1- K087T 246 1.0- 1.8+
K0174 349 1.4+ 0.0 K01CB 422 0.5+ 0.2+ K087T 246 1.0- 1.7+
K0174 349 (2.1+ 0.2+) K01CB 422 0.4- 0.1+
K0174 349 0.9+ 0.9+ K01CB 422 0.0 0.2-
Ephemeris:
51P/Harrington
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2008 07 23 03 03.20 +11 50.5 1.703 1.721 73.7 34.5 15.9 21.8
2008 08 02 03 24.91 +13 14.5 1.648 1.742 77.8 34.7 15.9 21.7
2008 08 12 03 45.13 +14 24.5 1.592 1.769 82.3 34.6 16.0 21.7
2008 08 22 04 03.53 +15 21.4 1.537 1.799 87.3 34.2 16.0 21.6
2008 09 01 04 19.73 +16 06.3 1.481 1.834 92.9 33.3 16.1 21.6
2008 09 11 04 33.31 +16 41.2 1.425 1.873 99.3 32.0 16.2 21.5
2008 09 21 04 43.85 +17 08.0 1.371 1.915 106.4 30.2 16.3 21.4
2008 10 01 04 50.94 +17 28.8 1.320 1.959 114.5 27.7 16.4 21.3
2008 10 11 04 54.20 +17 45.6 1.275 2.007 123.5 24.5 16.6 21.2
2008 10 21 04 53.49 +17 59.9 1.240 2.056 133.5 20.6 16.7 21.0
2008 10 31 04 48.96 +18 12.6 1.219 2.108 144.5 15.9 16.9 20.9
2008 11 10 04 41.24 +18 23.9 1.217 2.161 156.2 10.6 17.1 20.8
2008 11 20 04 31.50 +18 34.1 1.238 2.215 168.4 5.1 17.4 20.6
2008 11 30 04 21.21 +18 43.6 1.285 2.270 176.9 1.3 17.7 20.5
2008 12 10 04 11.89 +18 54.2 1.358 2.327 166.2 5.8 18.0 21.0
2008 12 20 04 04.72 +19 07.4 1.458 2.383 154.5 10.2 18.4 21.4
2008 12 30 04 00.35 +19 24.8 1.580 2.441 143.4 13.9 18.7 21.7
2009 01 09 03 58.98 +19 47.0 1.722 2.498 133.0 16.7 19.1 22.1
2009 01 19 04 00.49 +20 13.7 1.881 2.556 123.2 18.8 19.5 22.4
Brian G. Marsden (C) Copyright 2008 MPC M.P.E.C. 2008-O44
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