MPEC 1999-O15 : 1999 NC43
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M.P.E.C. 1999-O15 Issued 1999 July 19, 14:52 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.
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1999 NC43
Observations:
J99N43C* C1999 07 14.29358 19 43 23.64 -26 02 54.6 18.0 704
J99N43C C1999 07 14.31873 19 43 20.74 -26 02 57.7 18.8 704
J99N43C C1999 07 14.33137 19 43 19.17 -26 03 00.4 18.3 704
J99N43C C1999 07 14.34404 19 43 17.75 -26 03 01.1 18.3 704
J99N43C C1999 07 16.23292 19 39 41.22 -26 06 36.7 17.7 704
J99N43C C1999 07 16.24568 19 39 39.71 -26 06 37.6 17.8 704
J99N43C C1999 07 16.25846 19 39 38.16 -26 06 39.6 17.5 704
J99N43C C1999 07 16.27128 19 39 36.62 -26 06 40.4 18.2 704
J99N43C C1999 07 16.28405 19 39 35.11 -26 06 41.7 18.0 704
J99N43C C1999 07 17.53380 19 37 09.26 -26 08 38.9 17.3 R 426
J99N43C C1999 07 17.53875 19 37 08.62 -26 08 39.3 17.5 R 426
J99N43C C1999 07 17.54528 19 37 07.87 -26 08 40.1 17.2 R 426
J99N43C C1999 07 17.55977 19 37 05.95 -26 08 41.8 19.0 R 428
J99N43C C1999 07 17.56432 19 37 05.42 -26 08 42.0 19.0 R 428
J99N43C C1999 07 17.97318 19 36 17.14 -26 09 28.5 17.3 R 046
J99N43C C1999 07 17.97551 19 36 16.86 -26 09 29.1 046
J99N43C C1999 07 17.97709 19 36 16.66 -26 09 29.0 046
J99N43C C1999 07 17.97819 19 36 16.55 -26 09 29.4 046
J99N43C C1999 07 18.04738 19 36 08.69 -26 09 28.0 19.1 V 859
J99N43C C1999 07 18.05447 19 36 07.86 -26 09 26.1 17.4 R 844
J99N43C C1999 07 18.05560 19 36 07.71 -26 09 28.7 19.0 V 859
J99N43C C1999 07 18.06199 19 36 06.99 -26 09 26.9 17.3 R 844
J99N43C C1999 07 18.06488 19 36 06.60 -26 09 27.2 17.3 R 844
J99N43C C1999 07 18.06759 19 36 06.22 -26 09 30.0 18.8 V 859
J99N43C C1999 07 18.08483 19 36 04.16 -26 09 29.1 16.8 R 844
J99N43C C1999 07 18.91822 19 34 25.32 -26 10 49.1 18.8 V 104
J99N43C C1999 07 18.92274 19 34 24.78 -26 10 49.2 104
J99N43C C1999 07 18.92662 19 34 24.25 -26 10 49.2 104
J99N43C C1999 07 18.98404 19 34 17.30 -26 10 55.2 17.9 R 046
J99N43C C1999 07 18.98694 19 34 16.89 -26 10 55.3 046
J99N43C C1999 07 18.98837 19 34 16.74 -26 10 55.8 046
J99N43C C1999 07 19.03417 19 34 11.61 -26 10 51.5 19.7 V 859
J99N43C C1999 07 19.04130 19 34 10.77 -26 10 52.5 19.6 V 859
J99N43C C1999 07 19.06576 19 34 07.74 -26 10 55.0 19.4 V 859
Observer details:
046 Klet. Observer Z. Moravec. 0.57-m f/5.2 reflector + CCD.
104 San Marcello Pistoiese. Observers L. Tesi, A. Boattini, M. Tombelli.
Measurers A. Boattini, G. Forti, L. Tesi, M. Tombelli. 0.40-m f/5
reflector + CCD.
426 Woomera. Observer F. B. Zoltowski. 0.30-m f/3.3 Schmidt-Cassegrain + CCD.
428 Reedy Creek. Observer J. Broughton. 0.25-m f/6.3 Schmidt-Cassegrain
+ CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, M. Elowitz. Measurers J. Stuart, H. Viggh, R. Sayer. 1.0-m
f/2.15 reflector + CCD.
844 Los Molinos. Observer R. Salvo. 0.35-m f/6.4 reflector + CCD.
859 Serra da Piedade. Observers C. Jacques, J. Amancio. 0.3-m f/3.3
Schmidt-Cassegrain + CCD.
Orbital elements:
1999 NC43 PHA 0.028
Epoch 1999 July 1.0 TT = JDT 2451360.5 Williams
M 275.81731 (2000.0) P Q
n 0.42254303 Peri. 120.21940 +0.29923308 -0.94975844
a 1.7588228 Node 312.07345 +0.82745448 +0.30617395
e 0.5792079 Incl. 7.10035 +0.47516171 +0.06493397
P 2.33 H 16.5 G 0.15
From 34 observations 1999 July 14-19.
Ephemeris:
1999 NC43 a,e,i = 1.76, 0.58, 7 q = 0.7401
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 07 11 19 49.47 -25 55.4 1.111 2.123 172.2 3.7 18.7
1999 07 21 19 30.26 -26 13.2 1.053 2.063 171.2 4.3 18.6
1999 07 31 19 10.12 -26 13.9 1.023 2.001 158.0 10.9 18.7
1999 08 10 18 51.56 -25 56.0 1.018 1.935 144.5 17.7 18.9
1999 08 20 18 36.78 -25 23.4 1.033 1.866 131.7 23.9 19.0
1999 08 30 18 27.06 -24 42.5 1.063 1.794 119.9 29.2 19.2
1999 09 09 18 22.69 -23 58.9 1.100 1.719 109.3 33.6 19.3
1999 09 19 18 23.47 -23 15.0 1.138 1.641 99.8 37.1 19.4
1999 09 29 18 28.88 -22 31.0 1.173 1.559 91.2 40.0 19.4
1999 10 09 18 38.36 -21 44.8 1.201 1.475 83.6 42.3 19.4
1999 10 19 18 51.47 -20 53.5 1.218 1.387 76.9 44.4 19.3
1999 10 29 19 07.79 -19 53.4 1.222 1.297 70.8 46.3 19.3
1999 11 08 19 27.03 -18 40.6 1.212 1.206 65.5 48.4 19.1
1999 11 18 19 49.01 -17 10.8 1.185 1.114 60.9 50.8 19.0
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-O15
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