[Iaude] MPEC C01: 2017 RL [a=2.44,e=0.58,i=19.5,H=18.6,PHA]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Thu Jan 31 23:13:17 EST 2019
M.P.E.C. 2019-C01 Issued 2019 Feb. 1, 04:09 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
2017 RL
Revision to MPEC 2017-R33
Additional Observations:
K17R00L KC2019 01 11.57698210 13 57.817+23 45 22.23 24.53GVEC001T12
K17R00L KC2019 01 12.56786610 13 13.785+23 49 21.11 24.40GVEC001T12
Observer details:
T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m). Observer D. J. Tholen.
2.24-m f/10.1 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
190111 T12 2.1+ 1.3- 190112 T12 2.0+ 1.4- MPO441100 -0.00007 day
Orbital elements:
2017 RL PHA, Earth MOID = 0.0236 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 159.20754 (2000.0) P Q
n 0.25888598 Peri. 347.65144 +0.88988470 +0.44768344
a 2.4381684 Node 344.80465 -0.38491465 +0.63372571
e 0.5801490 Incl. 19.53905 -0.24483859 +0.63084964
P 3.81 H 18.6 G 0.15 U 1
Residuals in seconds of arc
170901 F51 0.0 0.1+ 170907 695 0.1- 0.2+ 170929 H21 0.0 0.0
170901 F51 0.0 0.0 170908 I89 0.1+ 0.6+ 170930 T08 0.2+ 0.2-
170901 F51 0.0 0.1- 170908 I89 0.0 0.3+ 170930 T08 0.4- 0.3+
170902 595 0.0 0.3- 170908 I89 0.2- 0.6+ 170930 T08 0.7- 0.3+
170902 595 0.3- 0.6- 170908 U69 0.0 0.1+ 170930 T08 0.4+ 0.4-
170902 J95 0.1+ 0.4- 170908 U69 0.2+ 0.1+ 171007 926 0.2+ 0.0
170902 J95 0.3+ 0.0 170908 U69 0.1- 0.0 171007 926 0.1- 0.1+
170902 J95 0.1+ 0.4- 170908 T05 0.3+ 0.4- 171007 926 0.1- 0.0
170902 H01 0.1+ 0.2- 170908 T05 0.5+ 0.2- 171009 703 0.4- 0.1-
170902 H01 0.0 0.3- 170908 T05 0.1+ 0.1- 171009 703 0.2+ 0.9-
170902 H01 0.1+ 0.2- 170908 T05 0.3+ 0.1+ 171009 703 0.0 0.2-
170902 H01 0.2+ 0.2- 170908 J95 0.1+ 0.0 171009 703 0.1+ 0.1-
170902 900 0.3+ 0.4+ 170908 J95 0.4- 0.1+ 171014 H45 0.1- 0.2-
170902 900 0.4- 0.1+ 170908 J95 0.1- 0.3- 171014 H45 0.1+ 0.2-
170903 C95 0.3+ 0.1- 170908 Z80 1.0- 0.8- 171014 H45 0.3- 0.3-
170903 C95 0.1- 0.1+ 170908 Z80 0.9- 0.3- 171014 H45 0.1- 0.1-
170903 C95 0.1+ 0.2- 170909 Z80 0.8+ 0.4- 171014 H45 0.1- 0.1+
170903 C95 0.2+ 0.2+ 170910 695 0.0 0.1+ 171014 H45 0.0 0.2+
170903 C95 0.1- 2.6+ 170910 695 0.2- 0.1+ 171014 T05 0.3+ 0.1-
170903 C95 0.3+ 2.9+ 170912 G48 0.8+ 0.3- 171014 T05 0.1+ 0.3+
170903 C95 0.2+ 1.9+ 170912 G48 0.1- 0.9- 171014 T05 0.0 0.1+
170903 C95 0.4- 2.0+ 170912 G48 0.2+ 1.2+ 171015 B67 0.2- 0.2-
170903 C95 0.6- 2.5+ 170912 G48 0.5+ 1.1+ 171015 B67 0.3- 0.0
170904 G40 0.1+ 0.2- 170912 G48 0.8+ 0.5- 171015 B67 0.2- 0.1+
170904 G40 0.1+ 0.2- 170914 T08 0.0 0.3- 171015 K38 0.1+ 0.1-
170904 G40 0.2+ 0.1- 170914 T08 0.1- 0.1- 171015 K38 0.1- 0.1-
170904 W34 0.0 0.2+ 170914 T08 0.0 0.1- 171016 T08 1.0+ 0.1+
170904 W34 0.4- 0.1+ 170914 T08 0.1- 0.2- 171016 T08 0.1+ 0.0
170904 W34 0.4- 0.2+ 170915 L04 0.0 0.1- 171016 T08 0.2- 0.6+
170904 W34 0.1- 0.1- 170915 L04 0.3- 0.0 171016 T08 0.3- 0.3-
170904 H06 0.4+ 0.4- 170915 L04 0.3- 0.1- 171020 T08 0.3+ 0.0
170904 H06 0.6+ 0.4- 170917 H15 0.3- 0.2- 171020 T08 0.2+ 0.2+
170904 K88 0.1+ 0.3- 170917 H15 0.0 0.0 171020 T08 0.0 0.5-
170904 K88 0.2- 0.0 170917 H15 0.3- 0.5- 171020 T08 0.1- 0.2+
170904 K88 0.3+ 0.5+ 170918 T08 0.0 0.0 171103 F51 0.0 0.1-
170904 K88 0.3- 0.2- 170918 T08 0.2- 0.1- 171103 F51 0.0 0.1-
170904 K88 0.1- 0.3+ 170918 T08 0.2- 0.2- 171103 F51 0.1+ 0.1-
170904 K88 0.1- 0.1+ 170918 T08 0.0 0.0 171103 F51 0.0 0.2-
170904 K88 0.0 0.0 170919 K14 0.1+ 0.1- 171128 I52 0.2- 0.7-
170904 K88 0.3- 0.3- 170919 K14 0.0 0.0 171128 I52 0.1- 0.0
170904 B49 0.1- 0.1- 170919 Z80 0.2+ 0.5+ 171207 291 0.1- 0.4+
170904 B49 0.1- 0.1- 170919 Z80 0.3+ 0.6+ 171207 291 0.2- 0.2+
170904 B49 0.0 0.2- 170919 Z80 0.1- 0.1- 171207 291 0.1+ 0.1-
170905 718 1.1+ 0.4- 170919 Z80 0.1+ 0.0 171220 291 0.3+ 0.4+
170905 718 0.9+ 0.7+ 170919 K14 0.5- 0.4+ 171220 291 0.6+ 0.1+
170905 718 0.0 0.5- 170919 Z80 0.4- 0.1- 171220 291 0.2+ 0.5+
170905 718 0.1+ 0.4- 170921 K78 0.4- 0.1- 180105 291 0.2+ 0.1+
170905 718 0.6+ 0.3- 170921 K78 1.0- 1.1+ 180105 291 0.0 0.3+
170906 Z80 0.3- 0.3- 170926 T08 0.2- 0.2- 180119 291 0.3+ 0.5+
170906 Z80 0.0 0.8- 170926 T08 0.2- 0.1+ 180119 291 0.8+ 0.1+
170906 Z80 0.2+ 0.8- 170926 T08 0.2- 0.1- 180119 291 0.9+ 0.0
170906 Z80 0.9- 0.9- 170926 T08 0.1+ 0.2+ 180204 695 0.2- 0.1+
170906 H21 0.2- 0.7- 170926 T08 0.3- 0.3- 180204 695 0.2- 0.2+
170906 H21 0.1- 0.4- 170926 K26 0.2+ 0.8+ 180204 695 0.1- 0.1+
170906 H21 0.1- 0.4- 170926 K26 0.3- 0.6+ 180205 695 0.2- 0.1+
170906 H21 0.2- 0.3- 170926 K26 0.2+ 0.2- 180205 695 0.1- 0.1+
170906 H21 0.1- 0.3- 170926 K26 0.1+ 0.1+ 180306 695 0.2+ 0.3+
170907 H06 0.0 0.1- 170926 K26 0.1- 0.6- 180306 695 0.0 0.6+
170907 H06 0.3- 0.1+ 170926 K26 0.5- 0.3+ 190111 T12 0.1+ 0.1+
170907 H06 0.3- 0.2+ 170926 K26 0.4- 0.2+ 190112 T12 0.1- 0.0
170907 695 0.0 0.3+ 170929 H21 0.0 0.0
170907 695 0.1- 0.3+ 170929 H21 0.0 0.1-
Ephemeris:
2017 RL a,e,i = 2.44, 0.58, 20 q = 1.0237
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 01 02 10 19 58.3 +23 08 55 2.9021 3.6293 131.5 11.7 24.4
...
2019 01 17 10 09 42.7 +24 07 23 2.7883 3.6626 148.4 8.1 24.2
...
2019 01 25 10 02 28.7 +24 39 46 2.7518 3.6793 157.2 5.9 24.1
...
2019 01 31 09 56 27.3 +25 02 41 2.7370 3.6912 163.3 4.4 24.0
2019 02 01 09 55 24.8 +25 06 18 2.7356 3.6932 164.1 4.2 24.0
2019 02 02 09 54 21.7 +25 09 50 2.7345 3.6951 165.0 4.0 24.0
...
2019 02 08 09 47 55.1 +25 29 25 2.7351 3.7065 168.4 3.1 23.9
...
2019 02 16 09 39 12.6 +25 49 53 2.7543 3.7210 166.2 3.6 24.0
...
2019 03 03 09 23 55.6 +26 07 13 2.8450 3.7461 151.5 7.2 24.3
(Last issue was M.P.E.C. 2019-B160)
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-C01
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