MPEC 2001-O29: 1991 NT3
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M.P.E.C. 2001-O29 Issued 2001 July 23, 15:49 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
1991 NT3
Additional Observations:
J91N03T C2001 07 22.30502 23 02 23.78 +10 47 41.3 18.6 R 699
J91N03T C2001 07 22.32696 23 02 22.82 +10 47 55.2 699
J91N03T C2001 07 22.34875 23 02 21.86 +10 48 09.5 699
J91N03T C2001 07 22.37058 23 02 20.89 +10 48 24.6 699
J91N03T C2001 07 23.06512 23 01 51.36 +10 55 57.5 18.6 R 046
J91N03T C2001 07 23.06791 23 01 51.18 +10 55 59.1 046
J91N03T C2001 07 23.06924 23 01 51.19 +10 55 59.9 046
J91N03T C2001 07 23.07147 23 01 51.03 +10 56 01.4 557
J91N03T C2001 07 23.07427 23 01 50.91 +10 56 03.0 557
J91N03T C2001 07 23.07660 23 01 50.75 +10 56 04.7 557
J91N03T C2001 07 23.39474 23 01 36.94 +10 59 32.8 18.5 R 711
J91N03T C2001 07 23.40519 23 01 36.44 +10 59 39.4 18.6 R 711
J91N03T C2001 07 23.41564 23 01 35.96 +10 59 46.4 18.6 R 711
J91N03T C2001 07 23.62729 23 01 26.60 +11 02 12.2 17.0 R 474
J91N03T C2001 07 23.62887 23 01 26.50 +11 02 13.1 16.8 R 474
J91N03T C2001 07 23.63024 23 01 26.42 +11 02 13.9 17.0 R 474
J91N03T C2001 07 23.63152 23 01 26.35 +11 02 14.7 17.0 R 474
J91N03T C2001 07 23.63781 23 01 26.10 +11 02 18.8 17.6 R 474
J91N03T C2001 07 23.64031 23 01 26.01 +11 02 20.3 17.6 R 474
J91N03T C2001 07 23.64284 23 01 25.85 +11 02 22.1 17.5 R 474
Observer details:
046 Klet. Observers J. Ticha, M. Tichy, M. Kocer. 0.57-m f/5.2
reflector + CCD.
474 Mount John Observatory, Lake Tekapo. Observers I. P. Griffin, N. Brady.
1.0-m f/7.7 reflector + CCD.
557 Ondrejov. Observer L. Sarounova. 0.65-m f/3.6 reflector + CCD.
699 Lowell Observatory-LONEOS. Observer R. Cash. 0.59-m LONEOS Schmidt + CCD.
711 McDonald Observatory. Observer J. G. Ries. 0.76-m reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees) and reference.
010722 699 11.69- 5.60- 010723 474 11.85- 5.62- MPC 19868
Orbital elements:
1991 NT3
Id. ANEOPP
Epoch 2001 Apr. 1.0 TT = JDT 2452000.5 Spahr
M 24.18728 (2000.0) P Q
n 0.40127780 Peri. 292.88574 -0.73667778 +0.63568681
a 1.8204243 Node 287.40697 -0.49724020 -0.74037132
e 0.3076836 Incl. 13.98924 -0.45832089 -0.21852367
P 2.46 H 15.7 G 0.15 U 4
Residuals in seconds of arc
910706 809 1.6- 0.0 910716 809 0.6+ 0.1- 010722 699 0.3- 0.1-
910706 809 0.7- 0.2+ 910716 809 0.8+ 0.3+ 010722 699 0.3- 0.3-
910706 809 0.4+ 0.6+ 910716 809 1.3+ 0.6+ 010722 699 0.4- 0.3+
910707 809 1.7- 0.8+ 910716 809 1.1- 0.2+ 010723 046 0.7+ 0.1-
910707 809 0.7- 0.8+ 910717 809 0.9- 0.3+ 010723 046 0.1- 0.3-
910708 809 (0.3- 2.6-) 910717 809 0.8- 0.6+ 010723 046 1.0+ 0.4-
910708 809 (0.3+ 2.3-) 910718 809 0.9- 0.5- 010723 557 0.2+ 0.2-
910712 809 1.2+ 0.9- 910718 809 0.4- 0.4- 010723 557 0.3+ 0.4-
910712 809 0.9+ 0.6- 910718 809 0.0 0.1- 010723 557 0.5- 0.2-
910712 809 0.9+ 0.2- 910719 809 0.8- 0.3- 010723 711 0.3+ 0.0
910712 809 1.0+ 0.3- 910719 809 0.4- 0.4- 010723 711 0.3+ 0.2-
910712 809 0.9+ 0.2+ 910719 809 0.1- 0.2- 010723 711 0.5+ 0.1+
910712 809 1.4+ 0.6+ 910721 809 0.2- 0.3+ 010723 474 0.0 0.2+
910713 809 0.4+ 1.6- 910721 809 0.4+ 1.0+ 010723 474 0.3- 0.1+
910713 809 0.6+ 1.2- 910722 809 1.0- 0.1+ 010723 474 0.5- 0.0
910713 809 0.8+ 1.0- 910722 809 0.2- 0.2+ 010723 474 0.7- 0.0
910715 809 0.5+ 0.7- 910724 809 1.4- 0.8+ 010723 474 0.0 0.1+
910715 809 0.7+ 0.2- 910724 809 0.8- 1.2+ 010723 474 0.5+ 0.0
910715 809 0.7+ 0.5+ 010722 699 0.3- 0.7+ 010723 474 0.1- 0.2+
Ephemeris:
1991 NT3 a,e,i = 1.82, 0.31, 14 q = 1.2603
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 07 10 23 07.64 +08 11.0 1.037 1.740 115.9 31.7 18.3
2001 07 20 23 03.87 +10 21.5 0.994 1.780 124.7 28.0 18.2
2001 07 30 22 55.88 +12 03.0 0.961 1.820 134.1 23.6 18.0
2001 08 09 22 44.20 +13 07.9 0.943 1.859 143.6 18.9 17.9
2001 08 19 22 30.03 +13 30.5 0.942 1.897 152.1 14.4 17.8
2001 08 29 22 15.21 +13 10.9 0.963 1.933 157.1 11.7 17.8
2001 09 08 22 01.80 +12 17.4 1.006 1.969 155.9 12.1 17.9
2001 09 18 21 51.34 +11 03.1 1.071 2.003 149.5 14.7 18.2
2001 09 28 21 44.72 +09 42.2 1.157 2.036 141.1 18.0 18.5
2001 10 08 21 42.09 +08 26.3 1.259 2.068 132.3 21.0 18.8
2001 10 18 21 43.14 +07 22.5 1.376 2.098 123.6 23.3 19.1
2001 10 28 21 47.41 +06 34.9 1.504 2.127 115.3 25.0 19.4
2001 11 07 21 54.32 +06 04.8 1.639 2.154 107.4 26.0 19.6
2001 11 17 22 03.37 +05 51.8 1.780 2.180 99.9 26.5 19.8
2001 11 27 22 14.17 +05 55.4 1.924 2.205 92.8 26.6 20.0
2001 12 07 22 26.32 +06 14.0 2.069 2.227 85.9 26.2 20.2
2001 12 17 22 39.56 +06 46.0 2.213 2.249 79.3 25.5 20.4
2001 12 27 22 53.68 +07 30.0 2.354 2.268 72.9 24.5 20.5
Timothy B. Spahr (C) Copyright 2001 MPC M.P.E.C. 2001-O29
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