[Iaude] MPEC U29: 2014 JC31 [a=2.56,e=0.60,i=36.9,H=19.0]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Mon Oct 16 20:53:17 EDT 2017
M.P.E.C. 2017-U29 Issued 2017 Oct. 17, 00:49 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 http://www.minorplanetcenter.net/ ISSN 1523-6714
2014 JC31
Revision to MPEC 2014-J89
Additional Observations:
K14J31C C2017 10 15.49470 05 31 53.92 +05 12 18.9 20.5 RoEU029926
K14J31C C2017 10 15.50589 05 31 54.42 +05 12 27.8 20.4 RoEU029926
K14J31C C2017 10 15.51711 05 31 54.96 +05 12 38.3 20.5 RoEU029926
K14J31C C2017 10 16.45154 05 32 43.20 +05 26 38.2 20.9 RoEU029926
K14J31C C2017 10 16.45766 05 32 43.48 +05 26 44.3 20.9 RoEU029926
K14J31C C2017 10 16.46378 05 32 43.73 +05 26 49.2 21.1 RoEU029926
Observer details:
926 Tenagra II Observatory. Observers M. Schwartz, P. R. Holvorcem. Measurer
M. Schwartz. 0.81-m f/7 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
171015 926 0.39- 0.29- 171016 926 0.40- 0.30- MPO300690 +0.55 day
Orbital elements:
2014 JC31 Earth MOID = 0.3220 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 323.20863 (2000.0) P Q
n 0.24101642 Peri. 75.32650 -0.59106926 -0.59595620
a 2.5572408 Node 64.73567 +0.28162533 -0.78395340
e 0.6015484 Incl. 36.94640 +0.75585998 -0.17393467
P 4.09 H 19.0 G 0.15 U 2
Residuals in seconds of arc
140505 F51 0.2+ 0.2+ 140507 568 0.0 0.1- 140520 291 0.2+ 0.0
140505 F51 0.1+ 0.1- 140507 568 0.0 0.2- 140528 F51 0.0 0.1-
140506 F51 0.1+ 0.0 140507 568 0.0 0.1- 140528 F51 0.1- 0.1-
140506 F51 0.0 0.1+ 140508 807 0.2+ 0.1- 140528 F51 0.1- 0.1-
140506 F51 0.1- 0.0 140508 807 0.1+ 0.5- 140528 F51 0.1- 0.2+
140506 F51 0.0 0.0 140508 807 0.1+ 0.3- 140625 568 0.2- 0.0
140506 F51 0.1- 0.0 140509 807 0.1- 0.2+ 140625 568 0.0 0.2+
140507 807 0.0 0.1- 140509 807 0.4- 0.2- 171015 926 0.3+ 1.0+
140507 807 0.0 0.3- 140512 G96 0.0 0.2+ 171015 926 0.4- 0.0
140507 807 0.1- 0.4- 140512 G96 0.4+ 0.2+ 171015 926 0.5- 0.6+
140507 F51 0.1+ 0.1- 140518 291 0.4+ 0.0 171016 926 0.1+ 0.1-
140507 F51 0.0 0.2- 140518 291 0.4+ 0.3- 171016 926 0.0 0.4+
140507 F51 0.2+ 0.0 140520 291 0.1+ 0.0 171016 926 0.6- 0.3-
140507 F51 0.2+ 0.0 140520 291 0.1+ 0.1+
Ephemeris:
2014 JC31 a,e,i = 2.56, 0.60, 37 q = 1.0189
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 09 17 05 01 34.5 +00 50 14 1.4655 1.9038 99.1 31.4 22.6
...
2017 10 02 05 18 46.0 +02 37 57 1.1941 1.7845 108.5 32.1 22.0
...
2017 10 10 05 26 52.9 +03 59 55 1.0535 1.7202 113.9 32.1 21.6
...
2017 10 16 05 32 20.0 +05 19 51 0.9507 1.6717 118.2 31.7 21.4
2017 10 17 05 33 10.8 +05 35 10 0.9338 1.6636 119.0 31.6 21.3
2017 10 18 05 34 00.4 +05 51 09 0.9170 1.6555 119.7 31.5 21.2
...
2017 10 24 05 38 31.1 +07 42 55 0.8183 1.6069 124.5 30.7 20.9
...
2017 11 01 05 43 07.5 +11 08 07 0.6931 1.5422 131.6 28.8 20.4
...
2017 11 16 05 45 11.8 +22 30 03 0.4872 1.4225 147.0 22.3 19.3
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-U29
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