MPEC 1999-F34: 1999 FJ21
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M.P.E.C. 1999-F34 Issued 1999 Mar. 27, 18:10 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 FJ21
Observations:
J99F21J* C1999 03 22.44864 15 02 33.15 -05 19 07.6 19.9 V 691
J99F21J C1999 03 22.46958 15 02 29.09 -05 19 56.3 19.9 V 691
J99F21J C1999 03 22.49102 15 02 24.98 -05 20 45.9 20.0 V 691
J99F21J C1999 03 23.35735 14 59 44.40 -05 54 19.7 20.0 V 691
J99F21J C1999 03 23.36103 14 59 43.54 -05 54 28.4 19.5 V 691
J99F21J C1999 03 24.38169 14 56 26.52 -06 34 14.4 20.1 V 691
J99F21J C1999 03 24.38539 14 56 25.65 -06 34 25.0 19.8 V 691
J99F21J C1999 03 24.38909 14 56 25.01 -06 34 31.6 19.8 V 691
J99F21J WC1999 03 25.08213 14 54 06.98 -07 01 43.7 557
J99F21J C1999 03 25.08353 14 54 06.74 -07 01 47.5 557
J99F21J C1999 03 25.08493 14 54 06.45 -07 01 50.0 19.8 V 557
J99F21J FC1999 03 26.70782 14 48 32.71 -08 04 59.7 422
J99F21J FC1999 03 26.70860 14 48 32.50 -08 05 01.2 19.8 R 422
J99F21J C1999 03 26.81259 14 48 10.78 -08 09 35.9 19.7 327
J99F21J C1999 03 26.81677 14 48 09.73 -08 09 47.5 327
J99F21J C1999 03 26.82087 14 48 08.65 -08 09 58.1 327
J99F21J C1999 03 27.10953 14 47 07.53 -08 21 19.8 557
J99F21J C1999 03 27.11104 14 47 07.22 -08 21 22.6 557
J99F21J C1999 03 27.11256 14 47 06.86 -08 21 26.8 557
J99F21J C1999 03 27.11561 14 47 06.20 -08 21 33.7 19.7 V 557
Observer details:
327 Peking Observatory, Xinglong Station. Observers X. M. Teng, J. Zhu. 0.6-m
Schmidt + CCD.
422 Loomberah. Observer G. J. Garradd. 0.45-m f/5.4 reflector + CCD.
557 Ondrejov. Observer L. Sarounova. 0.65-m f/3.6 reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer J. Larsen. 0.9-m Spacewatch
telescope.
Orbital elements:
1999 FJ21
Epoch 1999 Mar. 23.0 TT = JDT 2451260.5 Williams
M 72.96498 (2000.0) P Q
n 0.68678737 Peri. 67.54281 +0.07294999 -0.98955720
a 1.2722951 Node 19.54471 +0.72247155 -0.03349778
e 0.2735441 Incl. 21.81462 +0.68754139 +0.14019430
P 1.44 H 20.3 G 0.15
From 19 observations 1999 Mar. 22-27.
Ephemeris:
1999 FJ21 a,e,i = 1.27, 0.27, 22 q = 0.9243
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 03 23 15 00.85 -05 40.2 0.339 1.264 136.4 33.0 19.8
1999 03 28 14 43.94 -08 55.9 0.333 1.285 145.0 26.5 19.7
1999 04 02 14 24.75 -12 09.7 0.332 1.305 153.9 19.7 19.5
1999 04 07 14 04.09 -15 11.7 0.336 1.325 162.5 13.2 19.3
1999 04 12 13 43.02 -17 52.5 0.347 1.345 169.0 8.1 19.2
1999 04 17 13 22.76 -20 06.2 0.365 1.364 169.4 7.8 19.3
1999 04 22 13 04.38 -21 51.6 0.388 1.382 164.0 11.6 19.7
1999 04 27 12 48.59 -23 11.7 0.417 1.400 157.2 16.2 20.0
1999 05 02 12 35.68 -24 11.4 0.451 1.418 150.6 20.4 20.3
1999 05 07 12 25.65 -24 56.0 0.488 1.434 144.4 24.2 20.7
1999 05 12 12 18.32 -25 30.3 0.529 1.450 138.8 27.3 20.9
1999 05 17 12 13.42 -25 58.1 0.572 1.466 133.6 30.0 21.2
1999 05 22 12 10.66 -26 22.3 0.618 1.480 128.9 32.2 21.5
1999 05 27 12 09.75 -26 45.0 0.665 1.494 124.5 33.9 21.7
1999 06 01 12 10.41 -27 07.6 0.714 1.508 120.5 35.4 21.9
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-F34
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