MPEC 2004-B20 : 2004 BL11
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M.P.E.C. 2004-B20 Issued 2004 Jan. 19, 11:28 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.
Supported in part by the Steven and Michele Kirsch Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2004 BL11
Observations:
K04B11L C2004 01 18.23525 08 03 14.31 +11 45 00.7 20.3 EB020644
K04B11L C2004 01 18.25683 08 03 10.61 +11 45 19.7 20.4 EB020644
K04B11L C2004 01 18.27767 08 03 07.07 +11 45 37.5 20.0 EB020644
K04B11L* C2004 01 18.34103 08 02 56.20 +11 46 32.6 21.3 V EB020691
K04B11L C2004 01 18.36960 08 02 51.39 +11 46 57.0 21.2 V EB020691
K04B11L C2004 01 18.39936 08 02 46.27 +11 47 23.3 21.1 V EB020691
K04B11L C2004 01 19.20225 08 00 33.89 +11 58 55.5 21.3 V EB020691
K04B11L C2004 01 19.20545 08 00 33.37 +11 58 58.3 21.0 V EB020691
K04B11L C2004 01 19.20840 08 00 32.88 +11 59 00.8 21.2 V EB020691
K04B11L C2004 01 19.25509 08 00 24.82 +11 59 40.0 20.7 R EB020649
K04B11L C2004 01 19.25865 08 00 24.27 +11 59 43.6 20.0 R EB020649
K04B11L C2004 01 19.26220 08 00 23.66 +11 59 46.9 20.1 R EB020649
K04B11L C2004 01 19.37867 08 00 04.21 +12 01 27.9 19.9 R EB020651
K04B11L C2004 01 19.38017 08 00 03.92 +12 01 28.6 20.3 R EB020651
K04B11L C2004 01 19.38148 08 00 03.74 +12 01 29.8 20.0 R EB020651
Observer details:
644 Palomar Mountain/NEAT. Observers S. Pravdo, D. MacDonald, K. Lawrence,
M. Hicks. 1.2-m Schmidt + CCD.
649 Powell Observatory, Louisburg. Observer R. Fredrick. 0.75-m Newtonian
+ CCD.
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
Newtonian + CCD.
691 Steward Observatory, Kitt Peak. Observer M. Block. 0.9-m f/3 reflector
+ CCD.
Orbital elements:
2004 BL11 PHA 0.008
Epoch 2004 Jan. 16.0 TT = JDT 2453020.5 MPC
M 88.02129 (2000.0) P Q
n 0.67857055 Peri. 176.80004 +0.78726714 +0.61044387
a 1.2825453 Node 145.09632 -0.56905292 +0.77361324
e 0.7344260 Incl. 8.74531 -0.23746417 +0.16994364
P 1.45 H 19.4 G 0.15
From 15 observations 2004 Jan. 18-19.
Ephemeris:
2004 BL11 a,e,i = 1.28, 0.73, 9 q = 0.3406
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 01 16 08 09.52 +11 12.5 0.823 1.799 168.9 6.1 20.7
2004 01 26 07 42.84 +13 32.2 0.889 1.862 167.3 6.7 21.0
2004 02 05 07 21.44 +15 29.9 0.987 1.920 153.5 13.2 21.6
2004 02 15 07 06.54 +17 02.6 1.110 1.972 140.1 18.8 22.1
2004 02 25 06 57.90 +18 13.3 1.253 2.019 128.0 22.7 22.5
Timothy B. Spahr (C) Copyright 2004 MPC M.P.E.C. 2004-B20
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