MPEC 2001-C18: 2001 CB21
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M.P.E.C. 2001-C18 Issued 2001 Feb. 9, 18:28 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 CB21
Observations:
K01C21B* C2001 02 02.47394 14 39 54.75 -05 18 27.0 18.4 704
K01C21B C2001 02 02.50333 14 40 05.18 -05 19 42.8 19.1 704
K01C21B C2001 02 02.51791 14 40 10.20 -05 20 21.5 18.8 704
K01C21B C2001 02 02.53250 14 40 15.47 -05 21 01.1 18.8 704
K01C21B C2001 02 03.47303 14 46 01.53 -06 02 46.6 17.9 704
K01C21B C2001 02 03.48793 14 46 06.93 -06 03 27.0 18.4 704
K01C21B C2001 02 03.50311 14 46 12.50 -06 04 07.5 17.7 704
K01C21B C2001 02 03.51808 14 46 17.87 -06 04 48.1 18.3 704
K01C21B C2001 02 03.60938 14 46 52.99 -06 08 20.9 17.4 R 474
K01C21B EC2001 02 03.61134 14 46 53.62 -06 08 25.6 474
K01C21B C2001 02 04.43683 14 52 05.61 -06 46 33.9 918
K01C21B C2001 02 04.44043 14 52 06.97 -06 46 44.4 918
K01C21B C2001 02 04.44339 14 52 08.15 -06 46 53.3 918
K01C21B C2001 02 04.44975 14 52 09.98 -06 47 14.5 912
K01C21B C2001 02 05.47231 14 58 48.32 -07 34 33.2 18.8 704
K01C21B C2001 02 05.48739 14 58 53.99 -07 35 14.7 19.2 704
K01C21B C2001 02 05.50225 14 58 59.86 -07 35 57.3 18.4 704
K01C21B C2001 02 05.51715 14 59 05.58 -07 36 38.9 19.0 704
K01C21B C2001 02 06.63206 15 06 34.29 -08 28 52.5 17.5 R 474
K01C21B C2001 02 06.63367 15 06 35.14 -08 28 56.4 474
K01C21B C2001 02 06.63668 15 06 36.21 -08 29 06.4 17.5 R 474
Observer details:
474 Mount John Observatory, Lake Tekapo. Observer A. C. Gilmore.
1.0-m f/7.7 reflector + 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.
912 Carbuncle Hill Observatory, Greene. Observer D. P. Pray. 0.30-m f/3.3
Schmidt-Cassegrain + CCD.
918 Badlands Observatory, Quinn. Observer R. Dyvig. 0.66-m f/4.8 reflector
+ CCD.
Orbital elements:
2001 CB21 PHA 0.030
Epoch 2001 Jan. 31.0 TT = JDT 2451940.5 Spahr
M 280.34216 (2000.0) P Q
n 0.94807701 Peri. 272.19333 -0.06874849 +0.99752633
a 1.0262196 Node 353.80715 -0.85278414 -0.06638510
e 0.3291118 Incl. 7.80947 -0.51771890 -0.02311346
P 1.04 H 17.8 G 0.15
From 21 observations 2001 Feb. 2-6.
Ephemeris:
2001 CB21 a,e,i = 1.03, 0.33, 8 q = 0.6885
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 01 31 14 25.50 -03 32.9 0.342 1.075 95.8 65.7 17.9
2001 02 10 15 30.61 -11 14.5 0.293 1.021 88.2 75.1 17.8
2001 02 20 16 55.44 -19 27.9 0.272 0.963 76.6 87.4 18.0
2001 03 02 18 31.97 -25 04.9 0.287 0.904 64.2 99.1 18.5
2001 03 12 20 00.45 -26 17.3 0.336 0.846 54.8 106.2 19.0
2001 03 22 21 10.27 -24 18.9 0.413 0.791 49.1 107.6 19.4
2001 04 01 22 04.23 -20 43.9 0.509 0.743 46.1 104.3 19.5
2001 10 18 08 41.88 +27 58.7 1.128 1.359 79.3 46.1 20.5
2001 10 28 09 06.27 +27 13.8 1.049 1.364 83.7 46.4 20.3
2001 11 07 09 29.80 +26 25.0 0.965 1.363 88.3 46.6 20.2
2001 11 17 09 52.46 +25 34.9 0.878 1.357 93.1 46.7 19.9
2001 11 27 10 14.24 +24 46.6 0.788 1.346 98.1 46.5 19.7
2001 12 07 10 35.18 +24 02.8 0.697 1.330 103.2 46.2 19.4
2001 12 17 10 55.30 +23 26.6 0.606 1.308 108.4 45.5 19.0
2001 12 27 11 14.59 +23 01.3 0.516 1.282 113.8 44.6 18.6
2002 01 06 11 33.27 +22 49.6 0.429 1.250 119.2 43.4 18.1
2002 01 16 11 51.58 +22 55.5 0.345 1.213 124.5 42.0 17.5
2002 01 26 12 10.40 +23 22.3 0.266 1.171 129.3 40.6 16.9
Timothy B. Spahr (C) Copyright 2001 MPC M.P.E.C. 2001-C18
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