MPEC 2004-B69 : 2002 TX68
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M.P.E.C. 2004-B69 Issued 2004 Jan. 30, 11:56 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
2002 TX68
Revision to MPEC 2002-T63
Additional Observations:
K02T68X HC2003 12 25.51108 12 48 38.60 -02 26 55.2 21.6 V EB069291
K02T68X HC2003 12 25.51483 12 48 38.96 -02 26 55.4 21.8 V EB069291
K02T68X HC2003 12 25.51855 12 48 39.46 -02 26 56.9 22.2 V EB069291
K02T68X HC2004 01 30.44065 14 09 20.20 -02 54 51.4 21.9 V EB069291
K02T68X HC2004 01 30.44929 14 09 21.52 -02 54 49.7 21.1 V EB069291
K02T68X HC2004 01 30.45792 14 09 22.66 -02 54 47.2 21.0 V EB069291
Observer details:
291 LPL/Spacewatch II. Observer M. Block. 1.8-m f/2.7 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
031225 291 24.1- 6.7+ 040130 291 37.4- 10.6+ MPO 41807 +0.014 day
Orbital elements:
2002 TX68
Epoch 2003 Dec. 27.0 TT = JDT 2453000.5 MPC
M 279.86217 (2000.0) P Q
n 0.45500820 Peri. 122.26141 +0.06166205 +0.98792880
a 1.6741328 Node 150.26492 -0.98472093 +0.08344743
e 0.2932813 Incl. 16.64926 -0.16285727 -0.13051136
P 2.17 H 18.0 G 0.15 U 4
Residuals in seconds of arc
021008 644 0.8+ 1.1+ 021010 651 0.2- 0.1- 021015 413 0.2- 0.0
021008 644 0.3+ 1.1+ 021010 649 0.1+ 0.1+ 021031 696 0.0 0.6-
021008 644 0.1- 0.8+ 021010 926 0.1- 0.1+ 021031 696 0.3+ 0.4-
021009 926 1.2+ 0.3- 021010 926 0.6- 0.2+ 021212 413 0.7+ 0.2+
021009 926 0.4- 0.1- 021010 649 0.0 0.1+ 021212 413 0.3+ 0.3-
021009 474 0.3+ 0.3- 021010 926 0.2- 0.0 021213 413 0.6+ 0.1+
021009 474 0.6- 0.4- 021010 649 0.3+ 0.4+ 031225 291 0.8+ 0.1+
021010 734 2.6- 0.6- 021015 649 0.0 0.0 031225 291 0.9- 0.9+
021010 734 1.4+ 0.4+ 021015 649 0.6- 0.4- 031225 291 0.5- 0.4+
021010 734 1.0- 0.5+ 021015 649 0.2- 1.1- 040130 291 0.8- 0.1-
021010 651 0.0 0.2- 021015 413 0.1- 0.1- 040130 291 1.0+ 0.4-
021010 651 1.3+ 0.4+ 021015 413 0.2- 0.4- 040130 291 0.2+ 0.0
Ephemeris:
2002 TX68 a,e,i = 1.67, 0.29, 17 q = 1.1831
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 01 26 13 58.96 -03 09.1 1.175 1.616 96.5 37.3 20.9
2004 02 05 14 22.49 -02 27.7 1.054 1.575 101.1 37.9 20.6
2004 02 15 14 46.63 -01 10.3 0.940 1.535 105.5 38.3 20.3
2004 02 25 15 11.31 +00 49.4 0.836 1.494 109.5 38.6 20.0
2004 03 06 15 36.42 +03 35.7 0.744 1.454 113.0 38.9 19.7
2004 03 16 16 01.83 +07 10.4 0.663 1.414 115.6 39.4 19.4
2004 03 26 16 27.25 +11 30.7 0.595 1.375 117.2 40.2 19.2
2004 04 05 16 52.39 +16 25.7 0.539 1.339 117.6 41.5 18.9
2004 04 15 17 16.97 +21 38.8 0.495 1.304 116.9 43.3 18.7
2004 04 25 17 40.57 +26 48.3 0.461 1.273 115.3 45.6 18.6
2004 05 05 18 02.92 +31 31.4 0.433 1.245 113.4 48.0 18.5
2004 05 15 18 23.80 +35 30.4 0.409 1.222 111.6 50.3 18.4
2004 05 25 18 42.88 +38 30.9 0.388 1.204 110.4 52.1 18.3
2004 06 04 19 00.15 +40 20.6 0.365 1.191 110.2 53.1 18.1
2004 06 14 19 15.53 +40 48.9 0.342 1.184 111.4 53.0 18.0
2004 06 24 19 28.94 +39 37.8 0.317 1.184 114.5 51.4 17.8
2004 07 04 19 40.68 +36 22.4 0.292 1.189 119.7 48.0 17.5
2004 07 14 19 51.03 +30 33.4 0.270 1.200 127.6 42.1 17.2
2004 07 24 20 00.55 +21 47.7 0.255 1.218 138.2 33.8 16.9
2004 08 03 20 10.21 +10 33.2 0.252 1.240 150.0 24.2 16.6
2004 08 13 20 20.67 -01 24.9 0.269 1.266 158.0 17.4 16.6
2004 08 23 20 32.53 -11 54.2 0.305 1.297 156.4 18.2 16.9
2004 09 02 20 46.09 -19 41.0 0.361 1.331 148.8 23.1 17.5
2004 09 12 21 01.14 -24 46.8 0.431 1.367 140.5 27.9 18.1
2004 09 22 21 17.45 -27 43.5 0.514 1.405 132.9 31.6 18.6
2004 10 02 21 34.71 -29 05.3 0.607 1.444 126.1 34.0 19.1
2004 10 12 21 52.51 -29 19.3 0.708 1.485 120.0 35.6 19.6
2004 10 22 22 10.69 -28 44.3 0.817 1.525 114.3 36.5 20.0
2004 11 01 22 29.04 -27 34.4 0.932 1.566 108.9 36.8 20.3
2004 11 11 22 47.43 -25 59.2 1.052 1.606 103.7 36.8 20.6
2004 11 21 23 05.82 -24 05.7 1.177 1.646 98.7 36.4 20.9
2004 12 01 23 24.17 -21 59.3 1.305 1.686 93.7 35.7 21.2
2004 12 11 23 42.46 -19 44.0 1.436 1.724 88.8 34.8 21.4
2004 12 21 00 00.73 -17 22.8 1.568 1.761 83.9 33.7 21.6
2004 12 31 00 18.97 -14 58.6 1.701 1.797 79.1 32.5 21.8
2005 01 10 00 37.20 -12 33.1 1.834 1.831 74.3 31.1 22.0
Timothy B. Spahr (C) Copyright 2004 MPC M.P.E.C. 2004-B69
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