MPEC 2011-W04 : 2011 WA
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M.P.E.C. 2011-W04 Issued 2011 Nov. 17, 02:07 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 WA
Observations:
K11W00A* C2011 11 16.19822 01 22 13.72 +08 16 05.1 16.8 VrEW004703
K11W00A C2011 11 16.20329 01 22 07.64 +08 17 42.7 16.8 VrEW004703
K11W00A C2011 11 16.20843 01 22 01.56 +08 19 21.1 16.7 VrEW004703
K11W00A C2011 11 16.21354 01 21 55.36 +08 20 59.8 16.9 VrEW004703
K11W00A |C2011 11 16.23670 01 21 27.04 +08 28 22.3 16.9 VcEW004H06
K11W00A C2011 11 16.23694 01 21 27.23 +08 28 29.6 16.9 RoEW004G48
K11W00A |C2011 11 16.23726 01 21 26.35 +08 28 32.6 17.2 VcEW004H06
K11W00A |C2011 11 16.23785 01 21 25.68 +08 28 43.5 17.2 VcEW004H06
K11W00A C2011 11 16.23801 01 21 25.95 +08 28 49.7 16.7 RoEW004G48
K11W00A |C2011 11 16.23841 01 21 25.05 +08 28 54.5 17.3 VcEW004H06
K11W00A C2011 11 16.23855 01 21 25.28 +08 29 00.1 16.8 RoEW004G48
K11W00A |C2011 11 16.23897 01 21 24.35 +08 29 04.9 16.8 VcEW004H06
K11W00A C2011 11 16.23910 01 21 24.65 +08 29 10.6 16.7 RoEW004G48
K11W00A |C2011 11 16.23954 01 21 23.71 +08 29 16.6 17.1 VcEW004H06
K11W00A C2011 11 16.23963 01 21 24.06 +08 29 20.2 16.4 RoEW004G48
K11W00A |C2011 11 16.24010 01 21 22.96 +08 29 27.4 16.9 VcEW004H06
K11W00A |C2011 11 16.24068 01 21 22.32 +08 29 38.6 17.1 VcEW004H06
K11W00A mC2011 11 16.25475 01 21 06.40 +08 34 08.4 oEW004291
K11W00A mC2011 11 16.25522 01 21 05.84 +08 34 17.0 oEW004291
K11W00A mC2011 11 16.25569 01 21 05.26 +08 34 26.8 oEW004291
K11W00A |C2011 11 16.26286 01 20 52.25 +08 38 56.2 17.8 VoEW004807
K11W00A |C2011 11 16.26421 01 20 50.68 +08 39 22.0 17.7 VoEW004807
K11W00A |C2011 11 16.26556 01 20 49.10 +08 39 47.5 17.9 VoEW004807
K11W00A |C2011 11 16.26583 01 20 48.81 +08 39 52.5 17.7 VoEW004807
K11W00A |C2011 11 16.26740 01 20 46.96 +08 40 21.9 17.7 VoEW004807
K11W00A |C2011 11 16.26875 01 20 45.41 +08 40 47.7 17.7 VoEW004807
K11W00A C2011 11 16.28317 01 20 32.64 +08 43 07.5 16.8 RcEW004854
K11W00A C2011 11 16.28357 01 20 32.19 +08 43 15.7 16.9 RcEW004854
K11W00A C2011 11 16.28398 01 20 31.68 +08 43 23.1 16.9 RcEW004854
K11W00A C2011 11 16.33942 01 19 27.54 +09 00 28.1 17.0 rEW004718
K11W00A C2011 11 16.34253 01 19 23.98 +09 01 25.8 16.8 rEW004718
K11W00A C2011 11 16.34670 01 19 19.15 +09 02 43.9 17.0 rEW004718
K11W00A C2011 11 16.35155 01 19 13.57 +09 04 14.3 16.9 rEW004718
K11W00A C2011 11 16.40429 01 18 25.06 +09 20 51.2 17.3 VuEW004900
K11W00A C2011 11 16.40698 01 18 21.96 +09 21 41.0 17.2 VuEW004900
K11W00A C2011 11 16.40967 01 18 18.85 +09 22 31.2 17.2 VuEW004900
K11W00A C2011 11 16.66945 01 13 23.62 +10 40 56.2 17.3 VuEW004900
K11W00A C2011 11 16.67032 01 13 22.90 +10 41 12.4 17.1 RoEW004300
K11W00A C2011 11 16.67160 01 13 21.48 +10 41 35.5 17.1 RoEW004300
K11W00A C2011 11 16.67282 01 13 19.89 +10 41 55.1 17.3 VuEW004900
K11W00A C2011 11 16.67286 01 13 20.09 +10 41 57.7 17.0 RoEW004300
K11W00A KC2011 11 16.73470 01 12 24.75 +10 59 48.3 16.6 RuEW004160
K11W00A KC2011 11 16.73635 01 12 22.94 +11 00 17.5 16.3 RuEW004160
K11W00A KC2011 11 16.73800 01 12 21.15 +11 00 46.6 17.1 RuEW004160
K11W00A KC2011 11 16.73961 01 12 19.39 +11 01 14.4 16.7 RuEW004160
K11W00A KC2011 11 16.74513 01 12 13.34 +11 02 51.9 17.5 RuEW004160
K11W00A KC2011 11 16.74673 01 12 11.61 +11 03 20.0 16.4 RuEW004160
K11W00A KC2011 11 16.74827 01 12 09.92 +11 03 46.9 17.1 RuEW004160
K11W00A KC2011 11 16.78793501 11 26.44 +11 15 05.7 17.3 VuEW004510
K11W00A KC2011 11 16.79241601 11 21.56 +11 16 23.4 17.5 VuEW004510
K11W00A KC2011 11 16.79689801 11 16.66 +11 17 41.7 17.2 VuEW004510
K11W00A KC2011 11 16.80138001 11 11.81 +11 18 59.1 17.3 VuEW004510
K11W00A KC2011 11 16.80271 01 11 09.80 +11 19 20.4 17.0 RuEW004B15
K11W00A KC2011 11 16.80406 01 11 08.36 +11 19 43.7 17.0 RuEW004B15
K11W00A KC2011 11 16.80476 01 11 07.58 +11 19 55.6 17.1 RuEW004B15
K11W00A KC2011 11 16.80586001 11 06.93 +11 20 16.3 17.4 VuEW004510
K11W00A KC2011 11 16.80827 01 11 03.80 +11 20 56.5 17.1 RuEW004B15
K11W00A KC2011 11 16.80897 01 11 03.05 +11 21 08.5 17.1 RuEW004B15
K11W00A KC2011 11 16.80967 01 11 02.28 +11 21 20.5 17.1 RuEW004B15
K11W00A KC2011 11 16.81034101 11 02.07 +11 21 34.0 17.4 VuEW004510
K11W00A KC2011 11 16.81080 01 11 01.05 +11 21 39.9 17.1 RuEW004B15
K11W00A C2011 11 16.82948 01 10 41.17 +11 27 17.4 16.8 RuEW004104
K11W00A KC2011 11 16.83276 01 10 37.79 +11 28 10.1 tEW004204
K11W00A C2011 11 16.83383 01 10 36.44 +11 28 32.2 16.8 RuEW004104
K11W00A KC2011 11 16.83459 01 10 35.79 +11 28 41.7 tEW004204
K11W00A KC2011 11 16.83647 01 10 33.74 +11 29 14.0 tEW004204
K11W00A KC2011 11 16.83833 01 10 31.72 +11 29 46.0 tEW004204
K11W00A C2011 11 16.83840 01 10 31.47 +11 29 50.7 16.7 RuEW004104
K11W00A KC2011 11 16.84017 01 10 29.73 +11 30 17.5 16.8 RtEW004204
K11W00A KC2011 11 16.86127 01 10 06.32 +11 36 18.7 17.2 VuEW004595
K11W00A KC2011 11 16.86331 01 10 04.10 +11 36 53.5 17.5 VuEW004595
K11W00A KC2011 11 16.86535 01 10 01.89 +11 37 28.5 17.3 VuEW004595
K11W00A KC2011 11 16.88554 01 09 40.05 +11 43 12.6 17.1 VwEW004B28
K11W00A KC2011 11 16.89199 01 09 33.09 +11 45 01.9 17.2 VwEW004B28
K11W00A KC2011 11 16.93895 01 08 43.12 +11 58 12.6 17.5 VoEW004C81
K11W00A KC2011 11 16.94152 01 08 40.35 +11 58 55.4 17.3 VoEW004C81
K11W00A KC2011 11 16.94410 01 08 37.59 +11 59 38.3 17.2 VoEW004C81
K11W00A KC2011 11 16.94667 01 08 34.85 +12 00 21.4 17.3 VoEW004C81
K11W00A KC2011 11 17.00726 01 07 37.65 +12 20 06.4 17.4 uEW004I39
K11W00A KC2011 11 17.01335 01 07 31.17 +12 21 47.3 17.0 uEW004I39
K11W00A KC2011 11 17.02399 01 07 19.84 +12 24 44.1 17.0 uEW004I39
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, L. Tesi, G. Fagioli,
S. Vergari. Measurers P. Bacci, L. Tesi, G. Fagioli. 0.60-m f/4
reflector + CCD.
160 Castelmartini. Observers E. Prosperi, S. Prosperi. Measurer E. Prosperi.
0.35-m f/10 Schmidt-Cassegrain + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.38-m f/6.8 reflector
+ CCD.
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
300 Bisei Spaceguard Center--BATTeRS. Observers S. Okumura, S. Urakawa.
1.0-m f/3.0 reflector + CCD.
510 Siegen. Observer H. Bill. 0.43-m f/4.5 reflector + CCD.
595 Farra d'Isonzo. Observers E. Pettarin, M. Vivona. 0.40-m f/4.5 reflector
+ CCD.
703 Catalina Sky Survey. Observer R. E. Hill. Measurers J. D. Ahern,
E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, P. Tricarico,
A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught.
0.68-m Schmidt + CCD.
718 Wiggins Observatory, Tooele. Observer P. Wiggins. 0.35-m f/5.5
Schmidt-Cassegrain + CCD.
807 Cerro Tololo. Observers R. Holmes, T. Linder, V. Hoette. Measurers
R. Holmes, T. Linder. 0.41-m f/11 Ritchey-Chretien + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
900 Moriyama. Observer Y. Ikari. 0.26-m f/7.0 reflector + CCD.
B15 Inastars Observatory, Potsdam (since 2006). Observer B. Thinius. 0.36-m
f/6.3 Schmidt-Cassegrain + CCD.
B28 Mandi Observatory, Pagnacco. Observer p. corelli. 0.45-m f/4.5 reflector
+ CCD.
C81 Dolomites Astronomical Observatory. Observers R. Holmes, T. Linder,
M. Maturi. Measurers R. Holmes, T. Linder. 0.41-m f/11 Ritchey-Chretien
+ CCD.
G48 Doc Greiner Research Obs., Rancho Hildalgo. Observer M. Mills. 0.40-m
f/10 Schmidt-Cassegrain + CCD.
H06 RAS Observatory, Mayhill. Observer H. Sato. 0.51-m f/4.5 reflector + CCD.
I39 Observatorio Cruz del Sur, San Justo. Observer A. Chapman. 0.20-m f/4
reflector + CCD.
Orbital elements:
2011 WA PHA, Earth MOID = 0.0499 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 32.71775 (2000.0) P Q
n 1.26933162 Peri. 206.25503 -0.25914978 +0.88029642
a 0.8447976 Node 51.55020 -0.77258620 +0.05797793
e 0.2864979 Incl. 30.49242 -0.57961363 -0.47086811
P 0.78 H 21.7 G 0.15 U 8
Residuals in seconds of arc
111116 703 0.5- 0.1- 111116 854 0.2+ 1.0+ 111116 B15 0.5- 0.2+
111116 703 0.6- 0.1- 111116 854 0.2- 0.6+ 111116 510 0.2- 0.2-
111116 703 0.5+ 0.6- 111116 718 0.0 0.0 111116 B15 0.1- 0.4+
111116 703 0.7- 0.0 111116 718 0.6+ 0.5- 111116 B15 0.1+ 0.3+
111116 H06 0.3- 0.3+ 111116 718 0.4+ 0.3- 111116 B15 0.1- 0.2+
111116 G48 0.3+ 0.7+ 111116 718 0.6+ 0.4- 111116 510 0.1- 0.0
111116 H06 0.6- 0.1- 111116 900 0.2+ 0.1- 111116 B15 0.1- 0.1+
111116 H06 0.2- 0.5- 111116 900 0.2+ 0.4- 111116 104 0.6- 0.3+
111116 G48 0.2+ 0.3+ 111116 900 0.0 0.3- 111116 204 0.4- 0.1+
111116 H06 0.4+ 0.2- 111116 900 0.3- 0.2+ 111116 104 0.5- 0.2+
111116 G48 0.2- 0.4+ 111116 300 0.7+ 0.3- 111116 204 0.5- 0.3+
111116 H06 0.1- 0.4- 111116 300 0.6+ 0.2+ 111116 204 0.6- 0.2+
111116 G48 0.2+ 0.4+ 111116 900 0.6- 0.1- 111116 204 0.6- 0.3+
111116 H06 0.5+ 0.4+ 111116 300 0.6+ 0.3+ 111116 104 0.4- 0.2+
111116 G48 0.8+ 0.1- 111116 160 0.1+ 0.4- 111116 204 0.4- 0.2+
111116 H06 0.8- 0.5+ 111116 160 0.0 0.2- 111116 595 0.1- 0.1-
111116 H06 0.0 0.6+ 111116 160 0.2+ 0.1- 111116 595 0.2- 0.2-
111116 291 0.2+ 0.3- 111116 160 0.2+ 0.5- 111116 595 0.2- 0.0
111116 291 0.2+ 0.6- 111116 160 0.1- 0.1+ 111116 B28 0.6- 0.6+
111116 291 0.1- 0.2+ 111116 160 0.2+ 0.1+ 111116 B28 0.6- 0.4+
111116 807 0.2- 0.0 111116 160 0.0 0.1+ 111116 C81 2.4+ 1.3-
111116 807 0.2- 0.3+ 111116 510 0.2+ 0.0 111116 C81 2.0+ 1.6-
111116 807 0.3- 0.2+ 111116 510 0.1+ 0.1- 111116 C81 1.9+ 2.0-
111116 807 0.1+ 0.1+ 111116 510 0.3- 0.4+ 111116 C81 1.9+ 1.9-
111116 807 0.3- 0.1- 111116 510 0.0 0.2+ 111117 I39 1.2- 1.3+
111116 807 0.0 0.1+ 111116 B15 0.7- 0.5+ 111117 I39 0.9- 0.8+
111116 854 0.1- 0.3+ 111116 B15 0.3- 0.4+ 111117 I39 0.6- 0.9+
Ephemeris:
2011 WA a,e,i = 0.84, 0.29, 30 q = 0.6028
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2011 10 18 08 46 57.7 -47 15 11 0.2359 0.9423 70.0 96.4 21.9
...
2011 11 02 07 11 24.3 -47 49 45 0.1113 1.0013 91.4 82.3 19.8
...
2011 11 10 04 09 42.0 -32 43 16 0.05800 1.0268 127.5 49.9 17.4
...
2011 11 16 01 26 04.7 +07 12 08 0.06206 1.0430 149.4 28.8 17.0
2011 11 17 01 07 43.8 +12 16 18 0.06750 1.0454 145.9 32.0 17.3
2011 11 18 00 51 50.5 +16 28 43 0.07377 1.0478 142.1 35.4 17.6
...
2011 11 24 23 52 25.6 +30 10 05 0.1206 1.0607 124.7 50.0 19.1
...
2011 12 02 23 20 26.2 +36 32 08 0.1911 1.0738 112.5 58.0 20.4
...
2011 12 17 23 05 18.5 +41 10 05 0.3232 1.0862 99.7 63.3 21.7
A. U. Tomatic (C) Copyright 2011 MPC M.P.E.C. 2011-W04
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