MPEC 1999-O02 : 1999 NZ4
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M.P.E.C. 1999-O02 Issued 1999 July 16, 19:52 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 NZ4
Observations:
J99N04Z* C1999 07 13.35601 21 30 29.37 -11 50 18.0 18.5 704
J99N04Z C1999 07 13.36846 21 30 29.08 -11 49 46.2 18.9 704
J99N04Z C1999 07 13.38087 21 30 28.75 -11 49 14.0 18.5 704
J99N04Z C1999 07 13.39322 21 30 28.44 -11 48 42.0 18.7 704
J99N04Z C1999 07 13.40560 21 30 28.08 -11 48 11.0 18.6 704
J99N04Z C1999 07 14.29011 21 30 10.25 -11 10 10.7 18.5 704
J99N04Z C1999 07 14.31536 21 30 09.50 -11 09 06.5 19.4 704
J99N04Z C1999 07 14.34067 21 30 08.80 -11 08 00.5 18.5 704
J99N04Z C1999 07 15.00433 21 29 53.18 -10 39 19.7 118
J99N04Z C1999 07 15.00573 21 29 53.17 -10 39 16.8 118
J99N04Z C1999 07 15.00823 21 29 53.07 -10 39 11.6 17.8 R 118
J99N04Z C1999 07 15.22281 21 29 48.60 -10 29 47.0 17.5 R 734
J99N04Z C1999 07 15.22830 21 29 48.24 -10 29 33.8 17.3 R 734
J99N04Z C1999 07 15.23575 21 29 48.14 -10 29 15.5 18.1 R 734
J99N04Z C1999 07 15.68378 21 29 35.85 -10 09 22.0 18.2 R 428
J99N04Z C1999 07 15.68843 21 29 35.69 -10 09 09.7 18.1 R 428
J99N04Z C1999 07 16.00448 21 29 27.77 -09 55 40.1 18.5 120
J99N04Z C1999 07 16.01387 21 29 27.45 -09 55 15.1 18.5 120
J99N04Z C1999 07 16.01771 21 29 27.35 -09 55 05.4 17.7 R 046
J99N04Z C1999 07 16.01899 21 29 27.29 -09 55 01.9 046
J99N04Z C1999 07 16.02020 21 29 27.26 -09 54 58.9 046
J99N04Z C1999 07 16.02157 21 29 27.23 -09 54 55.0 046
J99N04Z C1999 07 16.02382 21 29 27.15 -09 54 48.7 18.5 120
J99N04Z C1999 07 16.73537 21 29 07.00 -09 23 09.9 17.7 R 426
J99N04Z C1999 07 16.74031 21 29 06.81 -09 22 56.5 17.7 R 426
J99N04Z C1999 07 16.74378 21 29 06.71 -09 22 47.5 17.8 R 426
Observer details:
046 Klet. Observer M. Tichy. 0.57-m f/5.2 reflector + CCD.
118 Modra. Observers S. Gajdos, J. Toth. 0.6-m f/5.5 reflector + CCD.
120 Visnjan. Observers M. Juric, K. Korlevic, B. Lukic, T. Pilizota. Measurer
M. Juric. 0.41-m f/4.3 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.
734 Farpoint Observatory. Observers G. Hug, G. Bell. 0.30-m
Schmidt-Cassegrain + CCD.
Orbital elements:
1999 NZ4
Epoch 1999 July 1.0 TT = JDT 2451360.5 Williams
M 352.29080 (2000.0) P Q
n 0.20497003 Peri. 20.23902 +0.72551948 +0.62043116
a 2.8488908 Node 297.78104 -0.66862724 +0.53299862
e 0.4954573 Incl. 19.66994 -0.16296962 +0.57530657
P 4.81 H 17.9 G 0.15
From 26 observations 1999 July 13-16.
Ephemeris:
1999 NZ4 a,e,i = 2.85, 0.50, 20 q = 1.4374
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 07 11 21 31.13 -13 29.4 0.501 1.464 147.5 21.9 18.3
1999 07 16 21 29.46 -09 55.6 0.480 1.455 151.2 19.7 18.1
1999 07 21 21 26.70 -06 12.4 0.464 1.448 154.5 17.6 18.0
1999 07 26 21 23.01 -02 24.8 0.453 1.443 156.9 16.1 17.8
1999 07 31 21 18.59 +01 20.6 0.447 1.439 158.0 15.3 17.8
1999 08 05 21 13.71 +04 57.0 0.447 1.438 157.6 15.6 17.8
1999 08 10 21 08.66 +08 17.8 0.451 1.438 155.8 16.8 17.9
1999 08 15 21 03.76 +11 17.8 0.461 1.439 153.2 18.5 18.0
1999 08 20 20 59.35 +13 54.1 0.475 1.443 150.1 20.5 18.1
1999 08 25 20 55.69 +16 05.6 0.492 1.448 146.8 22.5 18.2
1999 08 30 20 52.98 +17 53.1 0.513 1.455 143.5 24.4 18.4
1999 09 04 20 51.33 +19 18.3 0.538 1.464 140.4 26.1 18.6
1999 09 09 20 50.84 +20 23.5 0.565 1.474 137.5 27.5 18.7
1999 09 14 20 51.54 +21 11.5 0.594 1.486 134.7 28.8 18.9
1999 09 19 20 53.44 +21 45.4 0.626 1.499 132.2 29.8 19.1
1999 09 24 20 56.46 +22 07.8 0.660 1.514 129.8 30.6 19.2
1999 09 29 21 00.52 +22 21.2 0.696 1.530 127.6 31.3 19.4
1999 10 04 21 05.53 +22 27.5 0.734 1.547 125.5 31.8 19.5
1999 10 09 21 11.42 +22 28.6 0.775 1.566 123.4 32.2 19.7
1999 10 14 21 18.09 +22 25.9 0.817 1.585 121.5 32.5 19.8
1999 10 19 21 25.47 +22 21.0 0.861 1.606 119.5 32.7 20.0
1999 10 24 21 33.44 +22 15.0 0.907 1.628 117.6 32.8 20.1
1999 10 29 21 41.93 +22 08.7 0.956 1.650 115.7 32.9 20.3
1999 11 03 21 50.86 +22 02.6 1.006 1.674 113.7 32.9 20.4
1999 11 08 22 00.17 +21 57.5 1.059 1.698 111.8 32.8 20.6
1999 11 13 22 09.80 +21 53.8 1.114 1.723 109.8 32.7 20.7
1999 11 18 22 19.69 +21 52.0 1.171 1.748 107.8 32.6 20.8
1999 11 23 22 29.79 +21 52.2 1.231 1.774 105.7 32.4 21.0
1999 11 28 22 40.06 +21 54.5 1.292 1.801 103.6 32.2 21.1
1999 12 03 22 50.45 +21 58.9 1.356 1.828 101.4 31.9 21.2
1999 12 08 23 00.95 +22 05.6 1.422 1.855 99.2 31.6 21.4
1999 12 13 23 11.52 +22 14.6 1.490 1.883 97.0 31.3 21.5
1999 12 18 23 22.14 +22 25.7 1.559 1.911 94.7 30.9 21.6
1999 12 23 23 32.78 +22 38.9 1.630 1.939 92.4 30.5 21.7
1999 12 28 23 43.44 +22 54.0 1.703 1.967 90.0 30.0 21.8
2000 01 02 23 54.10 +23 10.8 1.778 1.996 87.6 29.5 21.9
2000 01 07 00 04.75 +23 29.1 1.854 2.025 85.2 28.9 22.0
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-O02
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