MPEC 2000-L19: 2000 ET70
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.
Read MPEC 2000-L18
Read MPEC 2000-L20
M.P.E.C. 2000-L19 Issued 2000 June 5, 20:21 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
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2000 ET70
Revision to MPEC 2000-E54
Observations:
K00E70T 1 1977 02 18.3079 13 44 07.67 -23 41 54.3 262
K00E70T 1 1977 02 18.3473 13 43 36.33 -23 52 12.4 262
Observer details:
262 European Southern Observatory, La Silla-DSS. Trail located and measured
by DANEOPS (A. Gnadig, G. Hahn, M. Hoffmann, C.-I. Lagerkvist). 1.2-m
Schmidt. Start time and exposure length are uncertain.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
770218 262 0.55- 0.62+ 770218 262 0.56- 0.62+ MPO 724 +0.15 day
Orbital elements:
2000 ET70 PHA 0.019D
Epoch 2000 Sept. 13.0 TT = JDT 2451800.5 Williams
M 336.32699 (2000.0) P Q
n 1.06947961 Peri. 46.39138 +0.92696564 -0.32758220
a 0.9470096 Node 331.22853 +0.12467908 +0.72865341
e 0.1234435 Incl. 22.32382 +0.35382174 +0.60145998
P 0.92 H 18.2 G 0.15 U 4
Residuals in seconds of arc
770218 262 0.2+ 1.5- 000311 670 0.2- 0.6+ 000312 151 0.7- 0.9+
770218 262 0.2- 1.5+ 000311 670 0.0 0.3+ 000312 151 0.1+ 0.7-
000308 704 0.1+ 0.0 000311 670 0.7- 0.0 000312 151 0.2+ 0.4-
000308 704 0.0 0.2- 000311 046 0.3+ 0.0 000312 595 0.5- 0.5-
000308 704 0.3+ 0.3- 000311 046 0.3- 0.2- 000312 595 0.1+ 1.2-
000308 704 0.0 0.8- 000311 046 0.1+ 0.0 000312 595 0.5+ 0.8-
000308 704 0.5- 0.4- 000311 046 0.1+ 0.6+ 000312 595 0.2+ 0.5-
000309 713 0.2- 0.3+ 000311 046 0.2+ 0.2- 000313 428 0.1- 1.5+
000309 713 0.2+ 0.1- 000311 046 0.3+ 0.2- 000313 428 0.5+ 1.2+
000309 713 0.0 0.2- 000312 649 0.1- 0.2- 000313 428 1.3- 1.5+
000309 713 0.1- 0.5- 000312 750 0.2+ 0.2+ 000313 413 0.2+ 0.2-
000309 704 0.3+ 0.6+ 000312 649 0.4+ 0.1+ 000313 413 0.3+ 0.3-
000309 704 0.2+ 0.6+ 000312 649 0.1+ 0.0 000313 557 0.5- 0.4-
000309 704 0.2+ 0.9+ 000312 750 0.0 0.1- 000313 557 0.2+ 0.6-
000309 704 0.3+ 0.7+ 000312 858 0.1+ 0.4- 000313 557 0.2+ 0.2-
000309 704 0.3+ 0.8+ 000312 649 0.0 0.2- 000313 557 0.1- 0.4-
000309 587 1.1- 0.2+ 000312 734 0.1- 0.0 000313 046 0.1- 0.3-
000309 587 (0.1+ 2.5+) 000312 649 0.2- 0.0 000313 046 0.2+ 0.2+
000309 620 1.4- 0.1- 000312 858 0.2+ 0.0 000313 046 0.4+ 0.0
000309 620 1.0- 0.1- 000312 734 0.0 0.4- 000313 046 0.1- 0.1-
000309 620 0.6- 0.2- 000312 858 0.6+ 0.2- 000313 046 0.2+ 0.3-
000309 620 0.3- 0.2- 000312 734 0.1- 0.1- 000313 595 0.2+ 0.1+
000310 747 0.2+ 0.1+ 000312 750 0.2+ 0.4- 000313 595 0.2- 0.4-
000310 747 0.3+ 0.0 000312 704 0.3+ 0.1+ 000314 670 0.7- 0.0
000310 747 0.2+ 0.0 000312 704 0.4+ 0.6+ 000314 670 0.9- 0.5-
000310 747 0.3+ 0.0 000312 704 1.4+ 0.7- 000314 670 1.3- 0.8-
000310 747 0.2+ 0.2+ 000312 704 1.0+ 0.5+ 000315 413 0.2+ 0.0
000310 557 0.1- 0.5- 000312 704 0.3+ 0.3+ 000315 413 0.1+ 0.0
000310 557 0.3+ 1.2- 000312 704 0.1+ 0.8+ 000315 428 0.8- 0.7+
000310 557 0.7- 0.0 000312 704 0.4+ 0.1- 000315 428 0.5+ 0.4+
000310 557 0.0 0.3- 000312 704 0.3- 0.3- 000316 118 0.5+ 0.1+
000310 118 0.2+ 0.1+ 000312 704 0.7+ 0.6+ 000316 118 0.2- 0.1+
000310 118 0.2+ 0.0 000312 900 0.1- 0.5+ 000316 118 0.6+ 0.0
000310 118 0.1- 0.1+ 000312 900 0.4- 0.3+ 000326 428 0.3- 0.2-
000310 461 0.2+ 0.0 000312 104 0.5- 0.0 000326 428 1.0- 0.4-
000310 461 0.1+ 0.3+ 000312 104 0.1- 0.2+ 000410 808 0.2+ 0.8+
000310 461 0.2+ 0.2+ 000312 104 0.1- 0.1+ 000411 808 0.9- 1.4+
000311 858 0.4+ 0.2+ 000312 151 0.7- 0.9+ 000411 413 0.7+ 0.8-
000311 858 0.2+ 0.1+ 000312 151 1.5- 0.1- 000411 413 0.6+ 0.8-
000311 858 0.5+ 0.1- 000312 151 1.2+ 0.6-
Ephemeris:
2000 ET70 a,e,i = 0.95, 0.12, 22 q = 0.8301
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2000 05 26 08 14.90 -33 36.5 0.493 1.043 79.5 72.8 19.3
2000 06 05 08 32.65 -35 14.5 0.498 1.030 77.7 74.2 19.3
2000 06 15 08 51.81 -36 48.5 0.491 1.015 76.0 76.1 19.3
2000 06 25 09 12.71 -38 13.8 0.473 0.998 74.2 78.7 19.3
2000 07 05 09 35.99 -39 21.9 0.444 0.978 72.3 82.1 19.3
2000 07 15 10 02.29 -39 58.0 0.405 0.957 70.0 86.5 19.2
2000 07 25 10 32.31 -39 31.9 0.359 0.935 66.9 92.4 19.1
2000 08 04 11 06.66 -37 10.1 0.307 0.913 62.3 100.4 19.1
Gareth V. Williams (C) Copyright 2000 MPC M.P.E.C. 2000-L19
Read MPEC 2000-L18
Read MPEC 2000-L20
Our Web policy. Index to the CBAT/MPC/ICQ pages.
