MPEC 2011-E46 : 2011 EU20
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M.P.E.C. 2011-E46 Issued 2011 Mar. 8, 22:26 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 EU20
Observations:
K11E20U* C2011 03 08.26767 09 59 24.68 +17 05 20.5 19.8 VrEE046G96
K11E20U C2011 03 08.27289 09 59 28.93 +17 04 55.9 19.8 VrEE046G96
K11E20U C2011 03 08.27809 09 59 33.18 +17 04 31.2 19.4 VrEE046G96
K11E20U C2011 03 08.28334 09 59 37.53 +17 04 06.2 19.3 VrEE046G96
K11E20U C2011 03 08.32396 10 00 11.62 +17 00 45.5 19.4 VrEE046G96
K11E20U C2011 03 08.32442 10 00 12.02 +17 00 43.2 19.5 VrEE046G96
K11E20U C2011 03 08.32491 10 00 12.42 +17 00 40.6 19.1 VrEE046G96
K11E20U C2011 03 08.32537 10 00 12.85 +17 00 38.0 19.5 VrEE046G96
K11E20U C2011 03 08.58158 10 05 12.85 +16 37 52.3 19.3 RoEE046300
K11E20U C2011 03 08.58466 10 05 15.95 +16 37 34.5 19.2 RoEE046300
K11E20U C2011 03 08.59070 10 05 22.08 +16 37 00.1 18.7 RoEE046300
K11E20U KC2011 03 08.85061 10 11 21.83 +16 07 00.9 18.7 VuEE046595
K11E20U KC2011 03 08.85439 10 11 27.97 +16 05 58.2 18.4 RrEE046A17
K11E20U KC2011 03 08.85875 10 11 32.41 +16 06 04.7 18.5 VuEE046595
K11E20U C2011 03 08.85895 10 11 32.15 +16 05 41.0 19.5 VoEE046B21
K11E20U C2011 03 08.86022 10 11 33.82 +16 05 31.9 19.6 VoEE046B21
K11E20U C2011 03 08.86149 10 11 35.49 +16 05 22.9 19.8 VoEE046B21
K11E20U C2011 03 08.86212 10 11 36.29 +16 05 18.8 19.5 VoEE046B21
K11E20U KC2011 03 08.86260 10 11 38.79 +16 05 01.4 18.7 RrEE046A17
K11E20U KC2011 03 08.87081 10 11 49.62 +16 04 04.2 18.4 RrEE046A17
Observer details:
300 Bisei Spaceguard Center--BATTeRS. Observers S. Urakawa, S. Hashimoto.
1.0-m f/3.0 reflector + CCD.
595 Farra d'Isonzo. Observer E. Pettarin. 0.40-m f/4.5 reflector + CCD.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + CCD.
B21 Gaisberg Observatory, Schaerding. Observer R. Gierlinger. 0.7-m f/3.1
Newtonian reflector + CCD.
G96 Mt. Lemmon Survey. Observer R. A. Kowalski. Measurers J. D. Ahern,
E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer,
R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-m reflector
+ CCD.
Orbital elements:
2011 EU20 Earth MOID = 0.0000 AU
Epoch 2011 Feb. 8.0 TT = JDT 2455600.5 MPC
M 339.22804 (2000.0) P Q
n 0.36846383 Peri. 210.87073 -0.92564401 +0.37838662
a 1.9269605 Node 351.36186 -0.34354718 -0.84325341
e 0.5091605 Incl. 0.99059 -0.15861435 -0.38176858
P 2.67 H 27.3 G 0.15 U 7
Residuals in seconds of arc
110308 G96 0.0 0.1+ 110308 G96 0.2+ 0.2- 110308 B21 0.0 0.8+
110308 G96 0.2- 0.0 110308 300 0.5+ 0.1+ 110308 B21 0.2+ 0.5+
110308 G96 0.4- 0.2- 110308 300 0.0 0.1+ 110308 B21 0.4+ 0.4+
110308 G96 0.0 0.2- 110308 300 0.4- 0.8+ 110308 B21 0.0 0.7+
110308 G96 0.1- 0.1+ 110308 595 1.1- 0.2- 110308 A17 0.0 0.7-
110308 G96 0.0 0.1+ 110308 A17 0.3- 0.5- 110308 A17 0.1+ 0.6-
110308 G96 0.3- 0.0 110308 595 0.5- 0.4-
Ephemeris:
2011 EU20 a,e,i = 1.93, 0.51, 1 q = 0.9458
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2011 02 06 09 17 30.7 +19 22 25 0.1944 1.1801 176.5 3.0 24.4
...
2011 02 21 09 16 55.9 +19 48 54 0.1011 1.0861 163.3 15.2 23.3
...
2011 03 01 09 22 02.1 +19 39 08 0.05640 1.0427 156.5 22.2 22.2
...
2011 03 07 09 44 02.5 +18 15 12 0.02413 1.0143 155.9 23.6 20.4
2011 03 08 09 55 16.2 +17 26 22 0.01887 1.0099 157.6 22.0 19.8
2011 03 09 10 14 55.9 +15 53 42 0.01369 1.0057 161.4 18.3 18.9
...
2011 03 15 20 13 46.0 -23 03 39 0.01952 0.9828 53.4 125.6 24.0
...
2011 03 23 20 52 06.6 -21 21 37 0.06209 0.9598 52.4 124.7 26.4
...
2011 04 07 21 10 59.6 -20 04 21 0.1421 0.9438 62.6 109.7 27.1
Timothy B. Spahr (C) Copyright 2011 MPC M.P.E.C. 2011-E46
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