MPEC 2006-J16 : 2005 EF298, 2005 GF187
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M.P.E.C. 2006-J16 Issued 2006 May 3, 12:46 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.
Supported in part by the Brinson Foundation
Supported in part by the TABASGO Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2005 EF298, 2005 GF187
Revision to MPEC 2005-G51, 2005-H42
Additional Observations:
K05ET8F C2006 03 02.25552 10 13 51.46 +12 40 38.2 21.9 R EJ016695
K05ET8F C2006 03 02.31270 10 13 51.19 +12 40 39.7 EJ016695
K05ET8F C2006 03 02.36814 10 13 50.93 +12 40 41.3 EJ016695
K05ET8F C2006 05 02.18924 10 10 35.53 +12 57 46.3 EJ016695
K05ET8F C2006 05 03.14161 10 10 34.66 +12 57 49.2 EJ016695
K05GI7F C2006 04 22.27731 14 47 23.75 -11 55 01.2 22.5 R EJ016304
K05GI7F C2006 04 22.32644 14 47 23.44 -11 55 00.1 EJ016304
K05GI7F C2006 05 03.28787 14 46 17.03 -11 49 46.2 EJ016695
K05GI7F C2006 05 03.35244 14 46 16.66 -11 49 44.7 EJ016695
Observer details:
304 Las Campanas Observatory. Observers S. D. Kern, S. Lee. Measurer
S. D. Kern.
695 Kitt Peak. Observers L. H. Wasserman, R. L. Millis, J. W. Parker.
Measurers L. H. Wasserman, R. L. Millis, A. Bieryla. 3.5-m reflector
+ CCD, 4-m f/2.8 reflector + CCD.
Orbital elements:
2005 EF298
Epoch 2006 Mar. 6.0 TT = JDT 2453800.5 MPC
M 327.85817 (2000.0) P Q
n 0.00335815 Peri. 71.13168 -0.98618202 +0.15967138
a 44.1640890 Node 118.03539 -0.16448815 -0.91202515
e 0.0878344 Incl. 2.86772 -0.01971460 -0.37777663
P 293 H 6.1 G 0.15 U 5
Residuals in seconds of arc
K053B 695 0.2- 0.2+ K054B 695 0.0 0.0 K0632 695 0.1+ 0.0
K053B 695 0.1+ 0.0 K0566 304 0.1+ 0.1- K0652 695 0.0 0.2+
K053C 695 0.2+ 0.1+ K0567 304 0.0 0.1+ K0653 695 0.1+ 0.0
K054A 695 0.1- 0.0 K0632 695 0.1- 0.1-
K054B 695 0.1- 0.2- K0632 695 0.0 0.1-
2005 GF187
Epoch 2006 Mar. 6.0 TT = JDT 2453800.5 MPC
M 336.12994 (2000.0) P Q
n 0.00392756 Peri. 134.15831 -0.11928858 +0.99144372
a 39.7851510 Node 128.91580 -0.92926741 -0.09268981
e 0.2602952 Incl. 3.90627 -0.34961739 -0.09191276
P 251 H 7.6 G 0.15 U 5
Residuals in seconds of arc
K054C 695 0.0 0.1+ K0562 568 0.2+ 0.1+ K058A 807 0.1- 0.2-
K054C 695 0.1+ 0.2+ K0562 568 0.2- 0.0 K064M 304 0.1- 0.1+
K054D 695 0.0 0.0 K0567 304 0.1- 0.0 K064M 304 0.3- 0.2-
K055A 807 0.0 0.1- K0567 304 0.1+ 0.3- K0653 695 0.0 0.3+
K055B 807 0.1+ 0.2+ K0588 807 0.1- 0.1- K0653 695 0.5+ 0.0
K055B 807 0.1+ 0.0 K0589 807 0.1- 0.1-
Ephemerides:
2005 EF298 a,e,i = 44.16, 0.09, 3 q = 40.285
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2006 04 25 10 10.75 +12 57.1 40.539 40.981 115.4 1.3 22.4
2006 05 05 10 10.55 +12 57.9 40.695 40.979 105.7 1.4 22.4
2006 05 15 10 10.51 +12 57.8 40.860 40.978 96.0 1.4 22.4
2006 05 25 10 10.62 +12 56.9 41.027 40.976 86.4 1.4 22.4
2006 06 04 10 10.89 +12 55.1 41.193 40.975 76.9 1.4 22.4
2006 06 14 10 11.30 +12 52.6 41.352 40.974 67.4 1.3 22.4
2006 06 24 10 11.85 +12 49.3 41.501 40.972 58.1 1.2 22.4
2006 07 04 10 12.52 +12 45.3 41.635 40.971 48.7 1.1 22.4
2006 07 14 10 13.30 +12 40.8 41.750 40.970 39.4 0.9 22.4
2006 07 24 10 14.18 +12 35.8 41.844 40.968 30.1 0.7 22.4
2005 GF187 a,e,i = 39.79, 0.26, 4 q = 29.429
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2006 04 25 14 47.12 -11 53.7 29.958 30.951 170.7 0.3 22.5
2006 05 05 14 46.11 -11 49.0 29.941 30.947 175.7 0.1 22.5
2006 05 15 14 45.10 -11 44.5 29.953 30.942 167.8 0.4 22.5
2006 05 25 14 44.12 -11 40.4 29.994 30.937 158.3 0.7 22.6
2006 06 04 14 43.23 -11 36.8 30.062 30.932 148.6 1.0 22.6
2006 06 14 14 42.44 -11 34.0 30.155 30.927 138.9 1.2 22.6
2006 06 24 14 41.80 -11 32.0 30.270 30.923 129.2 1.5 22.7
2006 07 04 14 41.32 -11 30.9 30.403 30.918 119.6 1.6 22.7
2006 07 14 14 41.02 -11 30.8 30.550 30.913 110.0 1.8 22.7
2006 07 24 14 40.92 -11 31.7 30.707 30.909 100.5 1.9 22.7
2006 08 03 14 41.02 -11 33.5 30.869 30.904 91.0 1.9 22.7
2006 08 13 14 41.33 -11 36.3 31.032 30.899 81.5 1.9 22.7
2006 08 23 14 41.84 -11 40.0 31.191 30.894 72.1 1.8 22.7
2006 09 02 14 42.54 -11 44.5 31.341 30.890 62.6 1.7 22.7
2006 09 12 14 43.41 -11 49.6 31.478 30.885 53.2 1.5 22.7
2006 09 22 14 44.45 -11 55.4 31.598 30.880 43.7 1.3 22.7
2006 10 02 14 45.63 -12 01.7 31.698 30.876 34.3 1.0 22.7
Brian G. Marsden (C) Copyright 2006 MPC M.P.E.C. 2006-J16
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