MPEC 1999-W27: 1997 NJ6 = 1999 WZ
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M.P.E.C. 1999-W27 Issued 1999 Nov. 28, 19:22 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
1997 NJ6 = 1999 WZ
Revision to MPEC 1997-N19
Observations:
J99W00Z* C1999 11 27.31531 01 27 51.29 +36 45 51.2 17.6 R 699
J99W00Z C1999 11 27.34079 01 27 57.07 +36 43 50.9 699
J99W00Z C1999 11 27.36629 01 28 02.90 +36 41 49.8 699
J99W00Z C1999 11 28.15025 01 31 09.77 +35 41 51.4 732
J99W00Z C1999 11 28.15509 01 31 10.86 +35 41 26.6 732
J99W00Z C1999 11 28.15994 01 31 11.97 +35 41 04.3 732
J99W00Z C1999 11 28.68152 01 33 14.57 +35 00 44.7 17.6 R 046
J99W00Z C1999 11 28.68230 01 33 14.74 +35 00 41.5 046
J99W00Z C1999 11 28.68308 01 33 14.90 +35 00 38.6 17.8 R 046
J99W00Z C1999 11 28.68380 01 33 15.11 +35 00 35.0 046
J99W00Z C1999 11 28.68457 01 33 15.31 +35 00 31.6 046
J99W00Z C1999 11 28.69201 01 33 16.95 +34 59 57.3 17.5 R 540
J99W00Z C1999 11 28.69343 01 33 17.25 +34 59 51.0 540
J99W00Z C1999 11 28.69481 01 33 17.58 +34 59 44.6 540
J99W00Z C1999 11 28.69620 01 33 17.88 +34 59 38.4 540
Observer details:
046 Klet. Observers J. Ticha, M. Tichy. 0.57-m f/5.2 reflector + CCD.
540 Linz. Observer E. Meyer. 0.6-m f/3.0 reflector + CCD.
699 Lowell Observatory-LONEOS. Observer B. W. Koehn. 0.59-m LONEOS Schmidt
+ CCD.
732 Oaxaca. Observer J. Roe. 0.25-m f/3.4 reflector + CCD.
Orbital elements:
1997 NJ6 = 1999 WZ
Id. G. V. Williams, A. Boattini
Epoch 1999 Aug. 10.0 TT = JDT 2451400.5 Williams
M 322.22127 (2000.0) P Q
n 0.53648401 Peri. 130.17253 +0.86953280 -0.38538372
a 1.5000240 Node 254.54661 +0.29611818 +0.90732185
e 0.2323626 Incl. 18.68959 +0.39525527 +0.16806680
P 1.84 H 18.8 G 0.15 U 5
Residuals in seconds of arc
970708 910 0.9+ 1.1- 970711 784 0.3+ 0.3+ 991128 732 0.8+ 2.3-
970708 910 1.1+ 1.4- 970712 608 0.3+ 0.7+ 991128 732 (1.3+ 4.8-)
970708 910 1.3+ 1.4- 970712 608 0.2+ 0.1+ 991128 732 (2.1+ 4.7-)
970711 784 0.4+ 0.7+ 970713 696 0.5- 0.1+ 991128 046 0.4- 0.3-
970711 784 (1.2+ 2.4-) 970713 696 0.4- 0.3- 991128 046 0.5- 0.1+
970711 784 0.2+ 0.9+ 970713 696 0.5- 0.0 991128 046 0.7- 0.7+
970711 784 0.8+ 0.7+ 970714 696 0.9- 0.4- 991128 046 0.1- 0.4+
970711 784 0.9- 0.9+ 970714 696 0.1- 0.8- 991128 046 0.3+ 0.4+
970711 696 1.2- 0.6+ 970714 696 0.0 0.7- 991128 540 0.2- 0.4-
970711 696 0.5- 0.2+ 991127 699 0.9+ 1.4+ 991128 540 0.4- 0.3-
970711 696 0.7- 0.3+ 991127 699 0.5+ 1.0+ 991128 540 0.1- 0.4-
970711 784 0.1+ 0.4+ 991127 699 0.1+ 0.1+ 991128 540 0.2- 0.4-
Ephemeris:
1997 NJ6 a,e,i = 1.50, 0.23, 19 Elements MPC xxxxx
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 11 28 01 30.57 +35 53.3 0.247 1.190 141.7 30.9 17.5
1999 12 03 01 49.02 +29 37.5 0.259 1.200 142.1 30.3 17.6
1999 12 08 02 05.57 +23 51.4 0.276 1.211 140.8 30.9 17.7
1999 12 13 02 20.59 +18 48.5 0.298 1.223 138.3 32.4 18.0
1999 12 18 02 34.39 +14 33.8 0.324 1.236 135.2 34.1 18.2
1999 12 23 02 47.22 +11 05.9 0.355 1.249 131.9 35.9 18.5
1999 12 28 02 59.30 +08 20.1 0.389 1.263 128.6 37.5 18.8
2000 01 02 03 10.79 +06 10.5 0.425 1.277 125.3 38.9 19.0
2000 01 07 03 21.88 +04 31.5 0.464 1.292 122.2 40.1 19.3
2000 01 12 03 32.69 +03 17.6 0.505 1.308 119.4 41.0 19.5
2000 01 17 03 43.31 +02 24.1 0.548 1.323 116.6 41.7 19.7
2000 01 22 03 53.79 +01 47.0 0.592 1.339 114.0 42.1 19.9
2000 01 27 04 04.20 +01 22.9 0.638 1.356 111.6 42.5 20.1
2000 02 06 04 24.95 +01 04.0 0.733 1.389 106.9 42.8 20.5
2000 02 16 04 45.85 +01 10.7 0.831 1.422 102.6 42.7 20.8
2000 02 26 05 06.99 +01 31.2 0.932 1.456 98.4 42.3 21.1
2000 03 07 05 28.42 +01 57.5 1.035 1.489 94.5 41.6 21.4
2000 03 17 05 50.19 +02 23.7 1.140 1.522 90.6 40.8 21.6
2000 03 27 06 12.23 +02 45.5 1.246 1.553 86.8 39.9 21.8
2000 04 06 06 34.49 +03 00.1 1.353 1.584 83.1 38.9 22.0
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-W27
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