[Iaude] MPEC P34: 2011 EJ47 [a=1.36,e=0.36,i=13.3,H=22.0,PHA]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Thu Aug 9 23:51:17 EDT 2018
M.P.E.C. 2018-P34 Issued 2018 Aug. 10, 03:47 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2011 EJ47
Revision to MPEC 2011-E69
Additional Observations:
K11E47J C2018 08 07.55600 00 09 58.144+00 26 52.45 22.6 wUEP034F51
K11E47J C2018 08 07.56705 00 09 58.413+00 27 11.03 22.4 wUEP034F51
K11E47J C2018 08 07.57810 00 09 58.691+00 27 29.57 22.4 wUEP034F51
K11E47J IC2018 08 08.42667 00 10 24.49 +00 51 37.9 oEP034711
K11E47J KC2018 08 08.43205 00 10 24.59 +00 51 47.1 oEP034711
K11E47J KC2018 08 08.43743 00 10 24.74 +00 51 56.6 oEP034711
Observer details:
711 McDonald Observatory. Observer J. G. Ries. 2.1-m reflector + CCD + focal
reducer.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz,
M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
M. Huber, E. Magnier, Y. Ramanjooloo, R. Wainscoat, C. Waters, R. Weryk.
1.8-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
180807 F51 0.65- 0.48- 180808 711 0.67- 0.49- MPO199004 +0.46 day
Orbital elements:
2011 EJ47 PHA, Earth MOID = 0.0359 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 203.58964 (2000.0) P Q
n 0.62266936 Peri. 111.45062 +0.13505258 -0.98418165
a 1.3582021 Node 330.06842 +0.80256758 +0.17652067
e 0.3592605 Incl. 13.28522 +0.58107321 -0.01506436
P 1.58 H 22.0 G 0.15 U 2
Residuals in seconds of arc
110311 G96 0.4+ 0.3- 110312 H01 0.0 0.1+ 110329 291 1.1- 0.4+
110311 G96 0.0 0.2- 110312 H01 0.0 0.2+ 110329 291 0.1- 0.8-
110311 G96 0.2- 0.1- 110312 H21 0.6+ 0.4+ 110413 568 0.1- 0.1+
110311 G96 0.0 0.3- 110312 H21 1.3+ 0.1+ 110413 568 0.1+ 0.0
110311 H36 0.8- 0.8- 110312 H21 0.6+ 0.2- 110413 568 0.1+ 0.0
110311 H36 0.3+ 0.2+ 110312 H21 0.5+ 0.8- 180807 F51 0.1- 0.0
110311 H01 0.2- 0.3+ 110312 H01 0.1+ 0.0 180807 F51 0.1- 0.1-
110311 H36 0.6- 0.4+ 110312 H01 0.0 0.1+ 180807 F51 0.2+ 0.2-
110311 H01 0.0 0.2+ 110324 291 0.3- 0.4+ 180808 711 0.2+ 0.2+
110311 H01 0.1- 0.2+ 110324 291 0.0 0.1+ 180808 711 0.1- 0.1+
110311 H01 0.0 0.2+ 110324 291 0.0 0.2- 180808 711 0.4+ 0.3+
Ephemeris:
2011 EJ47 a,e,i = 1.36, 0.36, 13 q = 0.8703
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 07 11 23 45 07.3 -09 04 38 0.7581 1.5053 115.3 37.7 23.8
...
2018 07 26 00 00 54.4 -04 34 34 0.5908 1.4338 124.2 35.8 23.1
...
2018 08 03 00 07 13.6 -01 33 34 0.5081 1.3933 129.3 34.3 22.7
...
2018 08 09 00 10 41.0 +01 08 26 0.4497 1.3619 133.2 32.9 22.3
2018 08 10 00 11 07.9 +01 38 12 0.4403 1.3566 133.9 32.6 22.3
2018 08 11 00 11 32.4 +02 08 51 0.4310 1.3513 134.5 32.3 22.2
...
2018 08 17 00 13 04.4 +05 34 23 0.3775 1.3190 138.4 30.6 21.8
...
2018 08 25 00 12 10.3 +11 22 48 0.3127 1.2749 143.1 28.4 21.3
...
2018 09 09 23 55 42.2 +28 14 46 0.2168 1.1903 144.4 29.5 20.3
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-P34
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