MPEC 2011-K20 : 2011 KF4
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M.P.E.C. 2011-K20 Issued 2011 May 24, 22:58 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 https://www.minorplanetcenter.net/ ISSN 1523-6714
2011 KF4
Observations:
K11K04F* C2011 05 22.22314 15 19 27.92 -27 42 46.4 18.7 RoEK020926
K11K04F C2011 05 22.23469 15 19 26.43 -27 42 56.5 18.8 RoEK020926
K11K04F C2011 05 22.24624 15 19 24.98 -27 43 07.0 18.8 RoEK020926
K11K04F |C2011 05 23.13707 15 17 35.52 -27 55 53.2 19.2 VoEK020807
K11K04F |C2011 05 23.14386 15 17 34.63 -27 55 58.8 19.0 VoEK020807
K11K04F |C2011 05 23.15117 15 17 33.70 -27 56 05.3 19.8 VoEK020807
K11K04F KC2011 05 23.26262 15 17 19.51 -27 57 59.6 19.0 RuEK020H36
K11K04F KC2011 05 23.26861 15 17 18.80 -27 58 05.0 18.9 RuEK020H36
K11K04F KC2011 05 23.27163 15 17 18.34 -27 58 08.6 19.2 RuEK020H36
K11K04F |C2011 05 23.27613 15 17 17.93 -27 58 10.6 18.3 RcEK020H06
K11K04F |C2011 05 23.27855 15 17 17.61 -27 58 13.1 18.4 RcEK020H06
K11K04F |C2011 05 23.28096 15 17 17.32 -27 58 15.4 18.9 RcEK020H06
K11K04F `C2011 05 24.69501 15 14 17.36 -28 18 51.2 18.4 RuEK020D90
K11K04F `C2011 05 24.70006 15 14 16.68 -28 18 55.6 19.1 RuEK020D90
K11K04F `C2011 05 24.70505 15 14 16.02 -28 19 00.0 18.5 RuEK020D90
Observer details:
807 Cerro Tololo. Observers R. Holmes, T. Linder, V. Hoette. Measurers
R. Holmes, T. Linder. 0.41-m f/11 Ritchey-Chretien + CCD.
926 Tenagra II Observatory. Observers M. Schwartz, P. R. Holvorcem. 0.41-m
f/3.75 astrograph + CCD.
D90 RAS Observatory, Moorook. Observer K. Hills. 0.41-m f/9 Ritchey-Chretien
+ CCD.
H06 RAS Observatory, Mayhill. Observer H. Sato. 0.50-m f/4.5 reflector + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
Orbital elements:
2011 KF4 Earth MOID = 0.1476 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 1.14509 (2000.0) P Q
n 0.22223589 Peri. 281.45483 +0.78560728 +0.60741436
a 2.6993545 Node 41.29398 -0.47494530 +0.71401108
e 0.6282278 Incl. 10.27980 -0.39654529 +0.34818957
P 4.43 H 19.1 G 0.15 U 8
Residuals in seconds of arc
110522 926 0.1+ 0.1- 110523 807 0.2+ 0.3+ 110523 H06 0.1- 0.1+
110522 926 0.1- 0.0 110523 H36 0.4- 0.3+ 110523 H06 0.2+ 0.0
110522 926 0.3+ 0.3- 110523 H36 0.6+ 0.1+ 110524 D90 0.0 0.0
110523 807 0.2- 0.1- 110523 H36 0.3- 0.8- 110524 D90 0.0 0.1-
110523 807 0.2- 0.3+ 110523 H06 0.1- 0.5+ 110524 D90 0.1+ 0.2-
Ephemeris:
2011 KF4 a,e,i = 2.70, 0.63, 10 q = 1.0035
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2011 04 24 15 53 56.8 -22 03 01 0.8160 1.7690 152.3 15.3 20.7
...
2011 05 09 15 41 15.4 -24 44 34 0.6417 1.6425 168.1 7.3 19.7
...
2011 05 17 15 29 16.1 -26 28 34 0.5668 1.5749 172.6 4.7 19.3
...
2011 05 23 15 17 52.4 -27 53 52 0.5191 1.5244 168.4 7.7 19.1
2011 05 24 15 15 47.1 -28 08 36 0.5119 1.5160 167.2 8.5 19.1
2011 05 25 15 13 38.7 -28 23 27 0.5048 1.5076 166.1 9.3 19.1
...
2011 05 31 14 59 51.5 -29 54 39 0.4666 1.4576 158.3 14.9 19.1
...
2011 06 08 14 39 41.3 -31 59 59 0.4256 1.3919 147.2 23.3 19.1
...
2011 06 23 14 01 33.9 -36 04 39 0.3722 1.2739 126.6 39.8 19.1
A. U. Tomatic (C) Copyright 2011 MPC M.P.E.C. 2011-K20
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