MPEC 2001-H16 : 2001 DU8
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M.P.E.C. 2001-H16 Issued 2001 Apr. 18, 17:06 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
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2001 DU8
Revision to MPEC 2001-D16
Observations:
K01D08U 1 1988 12 03.02417 01 36 11.39 -63 44 17.0 262
K01D08U 1 1988 12 03.10750 01 36 23.04 -63 43 39.4 262
Observer details:
262 European Southern Observatory-DSS. Trail located and measured by DANEOPS
(A. Gnadig). 1.0-m Schmidt. Start time and exposure length uncertain.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
881203 262 1.62- 0.98+ 881203 262 1.62- 0.98+ MPO 12293 +1.3 day
Orbital elements:
2001 DU8
Epoch 2001 Apr. 1.0 TT = JDT 2452000.5 Williams
M 68.26950 (2000.0) P Q
n 0.41620844 Peri. 265.82298 +0.32917965 -0.92872497
a 1.7766237 Node 161.84828 +0.92396479 +0.35406751
e 0.3418182 Incl. 33.20743 -0.19475580 +0.11002782
P 2.37 H 16.4 G 0.15 U 3
Residuals in seconds of arc
881203 262 0.0 1.4+ 010219 704 0.9+ 0.8+ 010313 739 0.2+ 0.1-
881203 262 0.2+ 1.2- 010219 596 (2.9- 3.3-) 010313 739 0.1- 0.1+
010217 704 1.0+ 0.0 010219 596 (2.2- 1.8-) 010313 739 0.5+ 0.8-
010217 704 1.1- 0.1+ 010219 596 (3.7- 0.5-) 010313 739 0.4+ 0.3-
010217 704 0.1- 0.7+ 010219 176 0.7+ 0.1- 010313 649 0.9+ 0.3-
010217 704 0.2- 0.4+ 010219 176 0.3+ 0.4- 010313 649 0.8+ 0.7-
010218 844 0.5+ 0.9+ 010219 176 0.6- 0.9- 010313 649 0.2+ 0.8+
010218 844 0.5+ 0.1- 010220 704 0.4+ 0.5+ 010313 322 1.1+ 1.7+
010218 850 0.2+ 0.1- 010220 704 0.4+ 0.5+ 010313 322 0.5- 0.9+
010218 844 0.1- 0.9+ 010220 704 0.7+ 0.3+ 010313 322 (0.4- 2.2-)
010218 850 0.3- 0.1- 010220 704 0.5+ 0.1+ 010316 704 0.2- 0.6+
010218 859 0.2- 0.1- 010220 704 0.4- 0.1- 010316 704 0.1+ 0.0
010218 859 0.6+ 0.1- 010221 670 0.1+ 0.5+ 010316 704 0.0 0.2-
010218 859 0.3- 0.4+ 010221 699 0.0 0.4+ 010316 704 0.2- 0.7-
010218 739 0.6- 0.2- 010221 699 0.2+ 0.3+ 010316 704 0.0 0.7-
010218 739 0.9- 0.5- 010221 670 0.2+ 0.6+ 010318 360 0.1- 0.4-
010218 739 0.4- 0.4+ 010221 699 0.7+ 0.8+ 010318 360 0.1- 0.1-
010218 428 0.0 1.1- 010221 699 0.0 0.5+ 010318 360 0.0 0.2-
010218 151 0.2- 0.2- 010221 670 0.0 0.3+ 010319 587 1.0+ 0.9-
010218 151 0.1- 0.3+ 010222 587 0.3+ 0.4+ 010319 587 0.5+ 0.5-
010218 151 1.0+ 1.8- 010222 587 0.1- 0.3+ 010320 402 0.1+ 0.0
010218 151 0.2- 0.2- 010225 118 0.5+ 0.1+ 010320 402 0.3- 0.5-
010218 151 0.5- 0.4+ 010225 118 0.4+ 0.1+ 010320 402 0.1- 0.3-
010218 595 0.1+ 1.4- 010225 649 1.2+ 0.4- 010321 608 0.4- 1.2-
010218 595 1.1- 1.8- 010225 649 0.1+ 0.6- 010321 608 0.2- 1.1-
010218 595 1.5- 1.5- 010225 649 0.9+ 0.1- 010321 608 0.4- 1.1-
010218 595 0.4- 0.4- 010225 360 0.0 0.6+ 010321 402 0.6- 0.2+
010218 595 0.4- 1.7- 010225 360 0.3+ 0.5+ 010321 402 0.2- 0.0
010219 557 0.9- 0.8- 010225 360 0.4+ 0.2+ 010321 402 0.3- 0.2+
010219 557 0.6- 0.8- 010225 118 0.1- 0.6+ 010323 699 0.1- 0.4+
010219 557 0.6- 0.7- 010225 118 0.3- 0.9+ 010323 699 0.1- 0.7+
010219 557 0.7- 0.6- 010301 711 0.0 0.2- 010323 699 0.5+ 0.3+
010219 557 0.5- 0.6- 010301 711 0.1- 0.2- 010323 699 0.0 0.6+
010219 704 0.2+ 0.5+ 010301 711 0.0 0.3- 010401 649 0.3- 0.2+
010219 704 0.5+ 0.4+ 010302 699 0.1+ 0.2- 010401 649 0.3- 0.3+
010219 704 0.4+ 0.5+ 010302 704 0.1+ 0.0 010401 649 0.3- 0.3+
010219 704 0.4+ 0.3+ 010302 704 0.3- 0.3- 010401 649 0.6- 0.5+
010219 704 0.6+ 0.3+ 010302 699 0.2- 0.1- 010401 046 0.0 0.2+
010219 926 0.1+ 0.4+ 010302 704 1.1- 1.0+ 010401 046 0.1- 0.1+
010219 926 0.1+ 0.4+ 010302 699 0.0 0.2- 010401 046 0.1- 0.1+
010219 926 0.2+ 0.4+ 010302 699 0.2- 0.2- 010401 046 0.1- 0.3-
010219 704 0.1+ 0.3+ 010303 739 1.6- 0.2- 010413 413 0.2- 0.0
010219 704 0.1+ 0.3+ 010303 739 0.6+ 0.5+ 010413 413 0.2- 0.0
010219 704 0.7+ 0.7+ 010303 739 0.4- 0.2+ 010413 413 0.1- 0.1+
010219 704 0.5+ 0.5+ 010304 739 1.1- 0.4+ 010415 704 0.6+ 0.0
010219 704 0.4+ 0.3+ 010304 739 0.6- 0.3- 010415 704 0.8- 0.2-
010219 854 0.5+ 1.1- 010304 739 0.6- 0.6+ 010415 704 0.5+ 0.5+
010219 854 0.5- 1.4- 010305 649 0.4+ 0.6- 010415 704 0.6+ 0.1-
010219 704 0.8+ 0.8+ 010305 649 0.5+ 1.2+ 010415 704 0.4+ 0.5-
010219 704 0.2+ 0.7+ 010305 649 1.8- 0.3+
010219 854 0.1- 1.0- 010306 866 0.3+ 0.8+
Ephemeris:
2001 DU8 a,e,i = 1.78, 0.34, 33 q = 1.1693
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 04 11 10 39.97 +27 14.7 1.000 1.798 127.8 26.1 18.9
2001 04 21 10 43.32 +28 34.6 1.135 1.841 118.5 28.7 19.3
2001 05 01 10 49.65 +29 03.9 1.278 1.882 110.4 30.1 19.6
2001 05 11 10 58.34 +28 56.7 1.424 1.923 103.0 30.8 19.9
2001 05 21 11 08.84 +28 22.8 1.572 1.962 96.3 30.9 20.2
2001 05 31 11 20.72 +27 29.0 1.720 1.999 90.1 30.5 20.4
2001 06 10 11 33.66 +26 20.6 1.866 2.035 84.3 29.8 20.6
2001 06 20 11 47.39 +25 01.0 2.009 2.069 78.8 28.8 20.8
2001 06 30 12 01.75 +23 33.2 2.148 2.101 73.6 27.7 20.9
2001 07 10 12 16.59 +21 59.4 2.282 2.132 68.5 26.3 21.0
2001 07 20 12 31.84 +20 21.5 2.410 2.161 63.7 24.9 21.1
Gareth V. Williams (C) Copyright 2001 MPC M.P.E.C. 2001-H16
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