MPEC 2017-J69 : 2016 LJ49
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M.P.E.C. 2017-J69 Issued 2017 May 13, 13:06 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
2016 LJ49
Revision to MPEC 2016-L131
Additional Observations:
K16L49J C2017 05 12.41853 20 19 41.27 -10 15 32.3 18.6 RuEJ069926
K16L49J C2017 05 12.42106 20 19 35.24 -10 15 30.7 18.9 RuEJ069926
K16L49J C2017 05 12.42359 20 19 29.29 -10 15 29.1 18.8 RuEJ069926
K16L49J C2017 05 12.42610 20 19 23.25 -10 15 27.1 18.7 RuEJ069926
K16L49J C2017 05 12.42862 20 19 17.30 -10 15 25.7 18.7 RuEJ069926
K16L49J C2017 05 12.43115 20 19 11.33 -10 15 24.3 19.0 RuEJ069926
K16L49J C2017 05 12.46392 20 17 53.34 -10 15 01.4 18.7 RuEJ069926
K16L49J C2017 05 12.46645 20 17 47.33 -10 14 59.8 18.7 RuEJ069926
K16L49J C2017 05 12.46894 20 17 41.36 -10 14 57.7 18.8 RuEJ069926
K16L49J KC2017 05 13.34462619 43 58.54 -09 57 33.9 18.4 VuEJ069H21
K16L49J KC2017 05 13.34800619 43 50.71 -09 57 28.7 18.2 VuEJ069H21
K16L49J KC2017 05 13.34956 19 43 46.69 -09 57 26.4 18.6 VqEJ069W25
K16L49J KC2017 05 13.35138619 43 42.90 -09 57 23.2 18.2 VuEJ069H21
K16L49J KC2017 05 13.35872 19 43 25.47 -09 57 11.6 20.2 VqEJ069W25
K16L49J KC2017 05 13.35899119 43 25.31 -09 57 10.9 18.7 VuEJ069H21
K16L49J KC2017 05 13.36381 19 43 13.71 -09 57 03.8 19.5 VqEJ069W25
Observer details:
926 Tenagra II Observatory. Observers M. Schwartz, P. R. Holvorcem. Measurer
M. Schwartz. 0.41-m f/3.75 astrograph + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.76-m f/3.0
astrograph + CCD.
W25 RMS Observatory, Cincinnati. Observer B. Rowe. 0.35-m Schmidt-Cassegrain
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
170512 926 0.42+ 0.08+ 170513 W25 0.24+ 0.07+ MPO386986 +0.094 day
Orbital elements:
2016 LJ49 Earth MOID = 0.0048 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 163.94289 (2000.0) P Q
n 0.94804304 Peri. 235.12334 -0.28246365 -0.94860239
a 1.0262441 Node 231.92423 +0.92863972 -0.23309917
e 0.6105053 Incl. 10.44528 +0.24050482 -0.21405204
P 1.04 H 22.2 G 0.15 U 6
Residuals in seconds of arc
160611 G96 0.0 0.2- 160613 705 0.0 0.1- 170512 926 0.1- 0.2+
160611 G96 0.2- 0.6+ 160613 H21 0.2+ 0.2+ 170512 926 0.5+ 0.1-
160611 G96 0.8- 0.8+ 160613 705 0.0 0.3+ 170512 926 0.1+ 0.0
160611 G96 1.0- 0.1+ 160613 705 0.3+ 0.2- 170512 926 0.3+ 0.3-
160611 G96 0.1- 0.3- 160615 705 0.2+ 0.0 170512 926 0.2- 0.0
160611 G96 0.4- 1.2- 160615 705 0.4- 0.2+ 170513 H21 0.5- 0.1-
160611 G96 0.6+ 0.6- 160615 705 0.4+ 0.3+ 170513 H21 0.4- 0.2-
160611 G96 0.4- 0.4- 160701 705 0.1+ 0.6+ 170513 W25 0.5- 0.3-
160612 926 0.5+ 0.4- 160701 705 0.2+ 0.0 170513 H21 0.0 0.0
160612 926 0.0 0.1- 160701 705 0.1+ 0.1+ 170513 W25 0.0 0.0
160612 926 0.5+ 1.1+ 170512 926 0.1- 0.2+ 170513 H21 0.7+ 0.4+
160613 H21 0.0 0.2- 170512 926 0.4- 0.1+ 170513 W25 0.8+ 0.3-
160613 H21 0.1+ 0.5- 170512 926 0.5+ 0.1+
160613 H21 0.2+ 0.2- 170512 926 0.7- 0.4+
Ephemeris:
2016 LJ49 a,e,i = 1.03, 0.61, 10 q = 0.3997
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 04 13 01 43 36.6 -00 44 38 0.3295 0.6817 10.7 164.1 31.6
...
2017 04 28 00 54 44.6 -04 32 48 0.1599 0.8695 28.4 146.6 25.7
...
2017 05 06 23 30 04.8 -07 48 49 0.08942 0.9609 55.5 120.1 21.7
...
2017 05 12 20 35 51.8 -10 17 34 0.06134 1.0251 102.4 74.2 18.8
2017 05 13 19 57 07.4 -10 04 12 0.06145 1.0354 112.5 64.4 18.5
2017 05 14 19 19 34.3 -09 35 23 0.06323 1.0456 122.2 54.9 18.3
...
2017 05 20 16 50 05.9 -05 29 31 0.09898 1.1048 158.9 19.2 18.4
...
2017 05 28 15 41 19.0 -03 03 17 0.1741 1.1780 159.5 17.6 19.7
...
2017 06 12 15 07 06.6 -02 40 34 0.3393 1.2989 141.7 29.0 21.7
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-J69
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