MPEC 2019-H20 : 2015 NJ24
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M.P.E.C. 2019-H20 Issued 2019 Apr. 19, 01:02 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
2015 NJ24
Revision to MPEC 2015-O18
Additional Observations:
K15N24J C2014 07 07.57648123 53 55.397-03 31 07.77 22.3 GVEH020F51
K15N24J C2014 07 07.58530623 53 56.359-03 31 06.90 22.5 GVEH020F51
K15N24J C2014 07 07.59409823 53 57.274-03 31 05.94 22.0 GVEH020F51
K15N24J C2014 07 07.60292023 53 58.233-03 31 05.00 22.2 GVEH020F51
K15N24J C2014 08 01.54937400 39 45.134-04 31 29.56 22.2 GVEH020F51
K15N24J C2014 08 01.56129200 39 46.345-04 31 35.42 21.4 GVEH020F51
K15N24J C2014 08 01.57326100 39 47.555-04 31 41.09 21.4 GVEH020F51
K15N24J C2014 09 03.55132901 39 22.694-15 59 13.27 20.1 GVEH020F51
K15N24J C2014 09 03.56327301 39 23.890-15 59 41.10 20.8 GVEH020F51
K15N24J C2015 06 26.39975 17 25 30.382-10 19 55.44 21.0 iLEH020F51
K15N24J C2015 06 26.41433 17 25 28.216-10 20 06.71 20.6 iLEH020F51
K15N24J C2015 06 26.42894 17 25 26.035-10 20 18.02 20.7 iLEH020F51
K15N24J C2015 07 14.34540316 53 42.418-14 18 28.37 21.8 GVEH020F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe,
E. Magnier, A. Schultz, M. Willman, B. Gibson, T. Goggia, N. Primak.
Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk,
K. Chambers, L. Denneau, H. Flewelling, E. Lilly, E. Magnier, C. Waters.
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
140707 F51 0.82+ 0.39+ 150714 F51 0.0+ 0.1- MPO344167 -1.9 day
Orbital elements:
2015 NJ24 Earth MOID = 0.1048 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 215.59743 (2000.0) P Q
n 0.81581766 Peri. 343.72849 -0.28420751 -0.95306310
a 1.1343332 Node 122.67422 +0.89289133 -0.30276797
e 0.2771399 Incl. 7.12372 +0.34924371 -0.00151411
P 1.21 H 21.2 G 0.15 U 3
Residuals in seconds of arc
140707 F51 0.1+ 0.0 150626 F51 0.2- 0.1+ 150715 568 0.0 0.1-
140707 F51 0.3+ 0.0 150714 F51 0.1- 0.0 150716 J04 0.2+ 0.1+
140707 F51 0.1- 0.0 150714 F51 0.2- 0.1- 150717 J04 0.1+ 0.1-
140707 F51 0.0 0.0 150714 F51 0.0 0.3+ 150717 807 0.0 0.2+
140801 F51 0.2- 0.2+ 150714 F51 0.0 0.2- 150717 807 0.3+ 0.1-
140801 F51 0.1- 0.0 150715 W86 0.1+ 0.3- 150717 807 0.4+ 0.2-
140801 F51 0.0 0.0 150715 W86 0.4+ 0.2- 150717 954 0.2- 0.3+
140903 F51 0.0 0.0 150715 W86 0.2+ 0.6- 150717 954 0.1+ 0.2+
140903 F51 0.1+ 0.1- 150715 W86 0.3+ 0.3- 150717 954 0.0 0.2+
150626 F51 0.0 0.1- 150715 568 0.0 0.0
150626 F51 0.0 0.1+ 150715 568 0.0 0.1-
Ephemeris:
2015 NJ24 a,e,i = 1.13, 0.28, 7 q = 0.8200
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 03 20 21 15 05.5 -14 41 44 2.0228 1.4481 42.2 27.5 24.8
...
2019 04 04 21 55 23.1 -12 01 12 1.9259 1.4404 46.9 30.4 24.7
...
2019 04 12 22 16 44.3 -10 26 48 1.8690 1.4327 49.3 32.0 24.7
...
2019 04 18 22 32 45.2 -09 12 33 1.8244 1.4253 51.0 33.2 24.7
2019 04 19 22 35 25.6 -08 59 54 1.8168 1.4240 51.3 33.4 24.7
2019 04 20 22 38 06.1 -08 47 11 1.8092 1.4225 51.6 33.6 24.7
...
2019 04 26 22 54 12.0 -07 29 23 1.7627 1.4133 53.3 34.8 24.6
...
2019 05 04 23 15 51.4 -05 41 58 1.6990 1.3988 55.4 36.4 24.6
...
2019 05 19 23 57 26.1 -02 11 26 1.5761 1.3652 59.0 39.4 24.4
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-H20
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