MPEC 2019-B05 : 2015 DJ198
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M.P.E.C. 2019-B05 Issued 2019 Jan. 16, 12:14 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 DJ198
Revision to MPEC 2015-D84
Additional Observations:
K15DJ8J C2017 08 24.58428401 19 44.874-08 45 02.73 22.7 GVEB005F51
K15DJ8J C2017 08 24.59729301 19 44.490-08 45 15.58 22.2 GVEB005F51
K15DJ8J C2017 08 24.61022901 19 44.100-08 45 28.79 22.9 GVEB005F51
K15DJ8J C2017 09 17.43402000 57 00.293-15 41 34.22 22.6 GVEB005F51
K15DJ8J C2017 09 17.44560500 56 59.264-15 41 46.04 21.9 GVEB005F51
K15DJ8J C2017 09 17.45722200 56 58.239-15 41 57.38 22.5 GVEB005F51
K15DJ8J C2017 09 17.46883900 56 57.199-15 42 08.66 21.8 GVEB005F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe,
E. Magnier, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber,
Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
170824 F51 3.3+ 1.5+ 170917 F51 3.5+ 1.3+ MPO349336 -0.0025 day
Orbital elements:
2015 DJ198 Earth MOID = 0.1949 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 70.64438 (2000.0) P Q
n 0.53592577 Peri. 91.79691 -0.75711756 +0.63471043
a 1.5010654 Node 127.63706 -0.64963463 -0.70652624
e 0.2850914 Incl. 11.26150 -0.06890455 -0.31299096
P 1.84 H 20.9 G 0.15 U 1
Residuals in seconds of arc
150217 F51 0.2- 0.1+ 150527 705 0.6- 0.2- 150714 F51 0.0 0.1+
150217 F51 0.0 0.1- 150528 291 0.1+ 0.0 150714 F51 0.1- 0.1-
150217 F51 0.0 0.1+ 150528 291 0.0 0.1+ 150714 F51 0.0 0.2-
150218 W85 0.2- 0.1+ 150528 291 0.0 0.3+ 150718 G45 0.4+ 0.4+
150218 W85 0.3+ 0.1- 150528 711 0.2- 0.4- 150718 G45 0.5- 0.5-
150218 W85 0.3+ 0.1- 150528 711 0.4- 0.0 150718 G45 0.1+ 0.1+
150218 W85 0.6+ 0.0 150528 711 0.1+ 0.1- 150718 G45 0.1+ 0.6+
150218 F51 0.1+ 0.1+ 150611 F51 0.1+ 0.1- 150721 G45 0.1+ 0.4+
150218 F51 0.0 0.1- 150611 F51 0.1+ 0.1+ 150721 G45 0.3+ 0.0
150218 F51 0.1+ 0.0 150611 F51 0.0 0.2- 150721 G45 0.2- 0.3+
150218 F51 0.3+ 0.1- 150612 807 0.0 0.8- 150721 G45 0.2+ 0.1-
150218 568 0.4- 0.1- 150612 807 0.1- 0.7- 150810 F51 0.1- 0.1+
150218 568 0.2- 0.1- 150612 807 0.2+ 0.1+ 150810 F51 0.2- 0.0
150218 568 0.4- 0.1- 150612 F51 0.1- 0.0 150810 F51 0.0 0.1+
150225 H21 0.1- 0.4- 150612 F51 0.0 0.1+ 150810 F51 0.1- 0.2+
150225 H21 0.0 0.1- 150612 F51 0.2+ 0.1+ 150811 F51 0.0 0.1-
150301 711 0.8+ 0.0 150628 F51 0.1+ 0.1- 150811 F51 0.0 0.0
150301 711 0.1+ 0.2+ 150628 F51 0.0 0.2- 150811 F51 0.0 0.0
150301 711 0.2+ 0.2+ 150628 F51 0.1- 0.0 150811 F51 0.0 0.1+
150310 291 0.2- 0.1+ 150629 F51 0.1- 0.1- 170824 F51 0.2+ 0.2+
150310 291 0.2- 0.1- 150629 F51 0.1- 0.1- 170824 F51 0.1+ 0.3+
150310 291 0.1- 0.1- 150629 F51 0.0 0.0 170824 F51 0.1- 0.0
150513 291 0.1- 0.1+ 150714 G45 0.0 0.4- 170917 F51 0.2+ 0.3+
150513 291 0.2+ 0.6+ 150714 G45 0.1- 0.0 170917 F51 0.0 0.2-
150513 291 0.0 0.1- 150714 G45 0.7+ 1.4+ 170917 F51 0.0 0.2-
150527 705 0.1+ 0.3- 150714 G45 1.4+ 0.6- 170917 F51 0.3- 0.2-
150527 705 0.2+ 0.0 150714 F51 0.0 0.0
Ephemeris:
2015 DJ198 a,e,i = 1.50, 0.29, 11 q = 1.0731
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 12 17 16 03 43.1 -14 17 41 1.8972 1.0732 23.8 21.7 23.5
...
2019 01 01 17 05 23.5 -16 44 55 1.9055 1.0822 23.9 21.6 23.5
...
2019 01 09 17 38 08.5 -17 33 35 1.9153 1.0935 24.1 21.5 23.6
...
2019 01 15 18 02 26.2 -17 56 01 1.9245 1.1046 24.3 21.5 23.6
2019 01 16 18 06 27.3 -17 58 35 1.9261 1.1067 24.3 21.5 23.6
2019 01 17 18 10 27.8 -18 00 50 1.9278 1.1089 24.4 21.5 23.6
...
2019 01 23 18 34 17.2 -18 07 36 1.9386 1.1229 24.7 21.5 23.6
...
2019 01 31 19 05 20.5 -17 59 25 1.9541 1.1446 25.4 21.6 23.7
...
2019 02 15 20 00 52.9 -16 57 19 1.9836 1.1928 27.1 22.2 23.8
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