MPEC 2016-W68 : 2011 WP46
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M.P.E.C. 2016-W68 Issued 2016 Nov. 24, 14:45 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Division F 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 WP46
Revision to MPEC 2011-W72
Additional Observations:
K11W46P C2016 11 23.32934 04 33 44.78 +24 09 46.8 21.2 VqEW068G96
K11W46P C2016 11 23.33368 04 33 44.12 +24 09 51.7 22.1 VqEW068G96
K11W46P C2016 11 23.34231 04 33 42.75 +24 10 02.7 21.0 VqEW068G96
K11W46P C2016 11 23.36872 04 33 38.59 +24 10 35.8 21.2 VqEW068G96
K11W46P C2016 11 23.37165 04 33 38.08 +24 10 39.1 20.9 VqEW068G96
K11W46P C2016 11 23.37451 04 33 37.67 +24 10 43.2 21.1 VqEW068G96
K11W46P C2016 11 23.37717 04 33 37.25 +24 10 46.5 21.3 VqEW068G96
K11W46P C2016 11 24.30178304 31 16.07 +24 29 52.0 20.4 GUEW068H01
K11W46P C2016 11 24.30523004 31 15.53 +24 29 56.2 20.7 GUEW068H01
K11W46P C2016 11 24.31494704 31 14.01 +24 30 08.1 20.5 GUEW068H01
K11W46P C2016 11 24.32243204 31 12.84 +24 30 17.3 20.8 GUEW068H01
Observer details:
G96 Mt. Lemmon Survey. Observer R. G. Matheny. Measurers E. J. Christensen,
D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
1.5-m reflector + 10K CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
161123 G96 0.95+ 0.84+ 161124 H01 0.95+ 0.83+ MPO218131 -1.6 day
Orbital elements:
2011 WP46 Earth MOID = 0.3159 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5 MPC
M 100.94509 (2000.0) P Q
n 0.39815228 Peri. 250.48125 +0.56908208 +0.66962661
a 1.8299389 Node 63.83194 -0.39875334 +0.73229810
e 0.3799737 Incl. 32.12221 -0.71912541 +0.12385349
P 2.48 H 19.9 G 0.15 U 5
Residuals in seconds of arc
111127 G96 0.3- 0.3- 111128 807 0.2- 0.4- 111223 291 0.7- 0.7-
111127 G96 0.3- 0.2- 111128 807 0.1- 0.1+ 111223 291 0.9+ 0.2+
111127 G96 0.3- 0.2- 111128 807 0.0 0.1+ 111223 291 1.2- 0.4+
111127 G96 0.1+ 0.2- 111128 807 0.2+ 0.3+ 161123 G96 0.3+ 0.1+
111127 H01 0.6- 0.1+ 111128 H01 0.0 0.4- 161123 G96 0.6+ 0.4-
111127 H01 0.7- 0.0 111128 H01 0.6- 0.1+ 161123 G96 0.4+ 0.2-
111127 H01 0.7- 0.1+ 111128 H01 0.4- 0.0 161123 G96 0.1+ 0.0
111127 H01 0.5- 0.1+ 111128 H01 0.5- 0.1- 161123 G96 0.6- 0.4-
111127 104 1.0- 1.0+ 111130 807 0.1- 0.2- 161123 G96 0.1- 0.2+
111127 104 (1.9- 0.1+) 111130 807 0.2- 0.2- 161123 G96 0.1- 0.2+
111127 104 (2.3- 0.4+) 111130 807 0.2- 0.1+ 161124 H01 0.1- 0.1+
111127 J95 0.9+ 0.1- 111201 J04 0.3+ 0.4- 161124 H01 0.1- 0.0
111127 J95 0.3+ 0.3+ 111201 J04 0.4+ 0.3+ 161124 H01 0.0 0.0
111127 204 0.1- 0.4- 111218 H21 0.7+ 0.2- 161124 H01 0.0 0.0
111127 204 0.0 0.1- 111218 H21 0.6+ 0.2+
Ephemeris:
2011 WP46 a,e,i = 1.83, 0.38, 32 q = 1.1346
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2016 10 25 05 32 26.1 +12 58 40 0.8642 1.6705 127.9 28.0 21.9
...
2016 11 09 05 07 47.0 +18 43 24 0.8221 1.7469 148.9 17.0 21.6
...
2016 11 17 04 49 34.6 +21 51 02 0.8224 1.7868 161.1 10.3 21.4
...
2016 11 23 04 34 35.2 +24 02 54 0.8354 1.8162 170.1 5.4 21.2
2016 11 24 04 32 02.3 +24 23 41 0.8387 1.8210 171.5 4.6 21.2
2016 11 25 04 29 29.3 +24 44 04 0.8424 1.8259 172.8 3.9 21.2
...
2016 12 01 04 14 20.5 +26 37 12 0.8711 1.8547 174.1 3.1 21.3
...
2016 12 09 03 55 38.5 +28 41 39 0.9272 1.8924 163.5 8.5 21.7
...
2016 12 24 03 29 31.3 +31 22 49 1.0797 1.9605 143.6 17.3 22.4
A. U. Tomatic (C) Copyright 2016 MPC M.P.E.C. 2016-W68
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