MPEC 2000-A18: 2000 AC6
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M.P.E.C. 2000-A18 Issued 2000 Jan. 6, 20:06 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
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2000 AC6
Observations:
K00A06C* C2000 01 04.36898 09 20 23.18 +19 04 10.7 18.2 704
K00A06C C2000 01 04.38364 09 20 19.36 +19 04 57.9 18.3 704
K00A06C C2000 01 04.39839 09 20 15.44 +19 05 45.0 18.2 704
K00A06C C2000 01 04.41329 09 20 11.53 +19 06 32.3 18.3 704
K00A06C C2000 01 04.42805 09 20 07.62 +19 07 19.8 18.5 704
K00A06C C2000 01 05.33403 09 16 26.51 +19 56 11.7 17.9 R 699
K00A06C C2000 01 05.35440 09 16 20.78 +19 57 19.7 699
K00A06C C2000 01 05.36452 09 16 17.49 +19 57 55.6 18.2 704
K00A06C C2000 01 05.37030 09 16 16.89 +19 58 13.6 670
K00A06C C2000 01 05.37479 09 16 15.12 +19 58 27.7 699
K00A06C C2000 01 05.37942 09 16 13.34 +19 58 45.1 18.9 704
K00A06C C2000 01 05.39420 09 16 09.19 +19 59 34.2 18.5 704
K00A06C C2000 01 05.39671 09 16 09.39 +19 59 40.8 670
K00A06C C2000 01 05.40900 09 16 05.08 +20 00 22.3 18.2 704
K00A06C C2000 01 05.42432 09 16 00.71 +20 01 13.0 18.7 704
K00A06C C2000 01 05.50591 09 15 38.60 +20 05 39.2 670
K00A06C C2000 01 05.58186 09 15 23.24 +20 11 00.7 17.9 R 422
K00A06C C2000 01 05.58298 09 15 22.92 +20 11 04.7 18.1 R 422
K00A06C C2000 01 05.58528 09 15 22.31 +20 11 11.9 18.3 R 422
K00A06C C2000 01 05.87670 09 14 06.89 +20 25 55.6 587
K00A06C C2000 01 05.88125 09 14 05.74 +20 26 11.0 587
K00A06C C2000 01 05.92213 09 13 54.05 +20 28 29.3 557
K00A06C C2000 01 05.92307 09 13 53.77 +20 28 32.8 557
K00A06C C2000 01 05.92400 09 13 53.54 +20 28 36.5 18.2 V 557
K00A06C C2000 01 05.92494 09 13 53.30 +20 28 39.7 557
K00A06C C2000 01 05.99088 09 13 34.86 +20 32 29.0 595
K00A06C C2000 01 05.99366 09 13 34.00 +20 32 37.7 595
K00A06C C2000 01 05.99532 09 13 33.48 +20 32 41.3 17.4 R 046
K00A06C C2000 01 05.99645 09 13 33.29 +20 32 46.8 17.8 V 595
K00A06C C2000 01 05.99647 09 13 33.17 +20 32 44.4 046
K00A06C C2000 01 05.99740 09 13 32.91 +20 32 47.7 046
K00A06C C2000 01 05.99833 09 13 32.61 +20 32 51.3 046
K00A06C C2000 01 06.00480 09 13 30.86 +20 33 15.9 595
K00A06C C2000 01 06.01037 09 13 29.30 +20 33 35.1 595
K00A06C C2000 01 06.03966 09 13 20.87 +20 35 08.4 17.9 R 113
K00A06C C2000 01 06.04285 09 13 19.96 +20 35 18.9 17.8 R 113
K00A06C C2000 01 06.05178 09 13 17.40 +20 35 49.8 17.8 R 113
K00A06C C2000 01 06.08446 09 13 07.72 +20 37 42.4 118
K00A06C C2000 01 06.08690 09 13 07.04 +20 37 50.5 17.4 R 118
K00A06C C2000 01 06.09040 09 13 06.01 +20 38 02.4 118
K00A06C C2000 01 06.29321 09 12 14.76 +20 49 43.3 651
K00A06C C2000 01 06.29485 09 12 14.27 +20 49 49.2 651
K00A06C C2000 01 06.29686 09 12 13.69 +20 49 56.3 18.5 V 651
K00A06C WC2000 01 06.38185 09 11 49.08 +20 54 44.1 670
K00A06C WC2000 01 06.38571 09 11 47.78 +20 54 57.7 670
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. 0.57-m f/5.2 reflector + CCD.
113 Volkssternwarte Drebach, Schoenbrunn. Observers G. Lehmann, J. Kandler.
0.50-m f/4.0 reflector + CCD.
118 Modra. Observers A. Galad, P. Koleny. 0.6-m f/5.5 reflector + CCD.
422 Loomberah. Observer G. J. Garradd. 0.45-m f/5.4 reflector + CCD.
557 Ondrejov. Observers P. Pravec, P. Kusnirak. 0.65-m f/3.6 reflector + CCD.
587 Sormano. Observers P. Sicoli, A. Testa, P. Chiavenna. 0.5-m reflector
+ CCD.
595 Farra d'Isonzo. Observers G. Lombardi, E. Pettarin. 0.40-m f/4.5
reflector + CCD.
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
reflector + CCD.
670 Camarillo. Observer J. E. Rogers. 0.30-m f/6.7 Helin Telescope + CCD.
699 Lowell Observatory-LONEOS. Observers W. D. Ferris. Measurer B. W. Koehn.
0.59-m LONEOS Schmidt + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, M. Elowitz, R. Huber. Measurers J. Stuart, H. Viggh,
R. Sayer, J. B. Evans. 1.0-m f/2.15 reflector + CCD.
Orbital elements:
2000 AC6 PHA 0.045
Epoch 1999 Dec. 28.0 TT = JDT 2451540.5 Williams
M 166.55762 (2000.0) P Q
n 1.25197414 Peri. 187.40418 +0.33453027 +0.93895233
a 0.8525879 Node 102.16572 -0.86035266 +0.33909556
e 0.2870037 Incl. 4.71550 -0.38455533 +0.05816124
P 0.79 H 21.2 G 0.15
From 45 observations 2000 Jan. 4-6.
Ephemeris:
2000 AC6 a,e,i = 0.85, 0.29, 5 q = 0.6079
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 12 28 09 42.84 +13 29.2 0.154 1.093 132.3 41.7 19.0
2000 01 02 09 29.03 +17 04.5 0.139 1.096 141.7 33.8 18.5
2000 01 07 09 08.93 +21 30.4 0.127 1.097 152.3 24.6 18.1
2000 01 12 08 41.25 +26 36.0 0.118 1.097 163.3 14.9 17.6
2000 01 17 08 05.65 +31 48.5 0.112 1.094 168.7 10.1 17.3
2000 01 22 07 23.89 +36 19.9 0.112 1.090 160.2 17.8 17.6
2000 01 27 06 40.19 +39 31.3 0.116 1.084 147.7 29.1 18.0
2000 02 01 05 59.70 +41 15.5 0.123 1.077 135.5 39.9 18.4
2000 02 06 05 25.95 +41 53.4 0.133 1.067 124.6 49.5 18.8
2000 02 11 04 59.72 +41 53.2 0.144 1.056 115.1 57.8 19.2
2000 02 16 04 40.01 +41 36.0 0.156 1.043 106.6 65.1 19.6
2000 02 21 04 25.17 +41 13.2 0.167 1.029 99.1 71.7 19.9
2000 02 26 04 13.68 +40 49.6 0.178 1.012 92.2 77.7 20.2
2000 03 02 04 04.32 +40 26.5 0.188 0.995 85.6 83.5 20.5
2000 03 07 03 56.09 +40 03.4 0.197 0.975 79.3 89.3 20.8
2000 03 12 03 48.06 +39 38.4 0.204 0.954 73.0 95.3 21.0
2000 03 17 03 39.39 +39 07.8 0.210 0.932 66.5 101.5 21.4
2000 03 22 03 29.36 +38 26.6 0.215 0.908 59.9 108.4 21.7
2000 03 27 03 17.49 +37 28.6 0.219 0.883 52.8 115.8 22.2
Gareth V. Williams (C) Copyright 2000 MPC M.P.E.C. 2000-A18
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