MPEC 2001-D25: 2001 DF47
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M.P.E.C. 2001-D25 Issued 2001 Feb. 21, 20:35 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://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2001 DF47
Observations:
K01D47F C2001 02 17.22286 06 49 47.81 +13 52 03.7 18.1 704
K01D47F C2001 02 17.23769 06 49 53.44 +13 54 03.5 17.3 704
K01D47F C2001 02 17.25207 06 49 58.82 +13 56 00.9 17.9 704
K01D47F C2001 02 17.28207 06 50 10.16 +14 00 05.0 18.1 704
K01D47F* C2001 02 19.16117 07 02 01.21 +17 54 22.0 17.1 704
K01D47F C2001 02 19.17523 07 02 05.96 +17 55 58.3 18.5 704
K01D47F C2001 02 19.20016 07 02 14.65 +17 58 50.4 18.3 V 926
K01D47F C2001 02 19.20057 07 02 14.78 +17 58 53.2 18.0 V 926
K01D47F C2001 02 19.20097 07 02 14.92 +17 58 55.9 18.3 V 926
K01D47F C2001 02 19.20355 07 02 15.58 +17 59 12.3 18.4 704
K01D47F C2001 02 19.21800 07 02 20.42 +18 00 49.1 17.7 704
K01D47F C2001 02 20.19147 07 08 01.02 +19 46 14.0 17.9 V 926
K01D47F C2001 02 20.19198 07 08 01.18 +19 46 17.2 18.0 V 926
K01D47F C2001 02 20.19249 07 08 01.34 +19 46 20.3 18.2 V 926
K01D47F C2001 02 20.20811 07 08 06.12 +19 47 54.1 17.9 704
K01D47F C2001 02 20.21064 07 08 06.90 +19 48 10.0 18.1 704
K01D47F C2001 02 20.23613 07 08 15.12 +19 50 47.3 18.9 704
K01D47F C2001 02 20.23921 07 08 16.09 +19 51 06.0 18.2 704
K01D47F C2001 02 20.25022 07 08 19.66 +19 52 13.1 18.1 704
K01D47F C2001 02 20.25377 07 08 20.78 +19 52 34.0 18.0 704
K01D47F C2001 02 20.26422 07 08 24.14 +19 53 39.2 18.1 704
K01D47F C2001 02 20.26921 07 08 25.76 +19 54 09.6 18.3 704
K01D47F C2001 02 20.77035 07 11 16.50 +20 44 08.7 17.9 R 046
K01D47F C2001 02 20.77108 07 11 16.64 +20 44 12.0 046
K01D47F C2001 02 20.77207 07 11 16.96 +20 44 18.4 046
K01D47F C2001 02 20.77565 07 11 18.15 +20 44 39.7 046
K01D47F C2001 02 20.77737 07 11 18.69 +20 44 49.4 046
K01D47F C2001 02 20.77831 07 11 18.98 +20 44 54.7 17.8 R 046
K01D47F C2001 02 21.05028 07 12 46.48 +21 12 06.3 17.7 V 859
K01D47F C2001 02 21.05266 07 12 46.94 +21 12 19.0 17.5 V 859
K01D47F C2001 02 21.05734 07 12 48.56 +21 12 46.1 17.1 V 859
K01D47F C2001 02 21.11456 07 13 09.71 +21 17 29.2 854
K01D47F C2001 02 21.11579 07 13 10.03 +21 17 35.3 854
K01D47F C2001 02 21.16509 07 13 25.18 +21 22 15.3 854
K01D47F C2001 02 21.16631 07 13 25.54 +21 22 21.3 18.2 R 854
K01D47F C2001 02 21.31564 07 14 11.56 +21 36 15.4 670
Observer details:
046 Klet. Observers M. Tichy, M. Kocer. 0.57-m f/5.2 reflector + CCD.
670 Camarillo. Observer J. E. Rogers. 0.30-m f/6.7 Helin Telescope + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, R. Huber, L. Manguso, S. Adams. Measurers J. Stuart,
R. Sayer, J. B. Evans, H. Viggh. 1.0-m f/2.15 reflector + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.30-m f/6.1
Schmidt-Cassegrain + CCD.
859 Wykrota Observatory-CEAMIG. Observers C. Jacques, L. Duczmal. 0.3-m
f/3.3 Schmidt-Cassegrain + CCD.
926 Tenagra II Observatory. Observers P. R. Holvorcem, M. Schwartz.
Measurer P. R. Holvorcem. 0.5-m f/10 Ritchey-Chretien + CCD.
Orbital elements:
2001 DF47 PHA 0.012
Epoch 2001 Jan. 31.0 TT = JDT 2451940.5 Spahr
M 40.63634 (2000.0) P Q
n 0.73234001 Peri. 260.25772 +0.65409566 -0.73589885
a 1.2189733 Node 146.71700 +0.75627086 +0.64070431
e 0.3730782 Incl. 18.59177 -0.01460312 +0.21897687
P 1.35 H 20.1 G 0.15
From 36 observations 2001 Feb. 17-21.
Ephemeris:
2001 DF47 a,e,i = 1.22, 0.37, 19 q = 0.7642
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 02 10 05 50.76 -08 26.0 0.111 1.047 120.0 54.8 17.4
2001 02 20 07 06.92 +19 26.4 0.163 1.109 134.3 39.7 18.0
2001 03 02 07 53.01 +30 44.7 0.246 1.170 132.2 38.9 18.9
2001 03 12 08 25.31 +35 08.4 0.341 1.229 127.1 40.2 19.8
2001 03 22 08 50.96 +36 37.3 0.443 1.285 121.7 41.3 20.5
2001 04 01 09 13.34 +36 37.9 0.550 1.338 116.4 42.0 21.1
2001 04 11 09 33.97 +35 48.2 0.662 1.388 111.4 42.3 21.6
2001 04 21 09 53.55 +34 26.7 0.776 1.433 106.4 42.3 22.0
Timothy B. Spahr (C) Copyright 2001 MPC M.P.E.C. 2001-D25
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