MPEC 2019-F12 : 2018 NP1
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M.P.E.C. 2019-F12 Issued 2019 Mar. 17, 17:23 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
2018 NP1
Revision to MPEC 2018-N48
Additional Observations:
K18N01P C2017 06 10.55802122 25 11.444+00 53 55.73 23.6 GVEF012F51
K18N01P C2017 06 10.56964322 25 12.747+00 53 41.79 22.4 GVEF012F51
K18N01P C2017 06 10.58127122 25 14.065+00 53 27.66 20.3 GVEF012F51
K18N01P C2017 06 10.59291222 25 15.431+00 53 13.65 21.9 GVEF012F51
K18N01P C2017 07 26.60570100 09 17.028-39 12 18.29 20.3 GVEF012F51
K18N01P C2017 07 26.61022900 09 17.740-39 12 42.04 20.3 GVEF012F51
K18N01P C2018 06 22.55848821 42 32.756+02 51 51.61 20.5 GVEF012F51
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
170610 F51 22.6+ 12.9- 180622 F51 0.4+ 0.4- MPO452014 +0.0015 day
Orbital elements:
2018 NP1 Earth MOID = 0.1964 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 104.52602 (2000.0) P Q
n 0.95316435 Peri. 355.82451 -0.35450056 -0.83418121
a 1.0225648 Node 114.47509 +0.87077994 -0.45913317
e 0.2309389 Incl. 27.65638 +0.34069290 +0.30551342
P 1.03 H 20.8 G 0.15 U 3
Residuals in seconds of arc
170610 F51 0.0 0.2+ 180710 734 0.0 0.6- 180714 474 0.7+ 0.7-
170610 F51 0.3- 0.1+ 180710 734 0.1- 0.8- 180714 474 0.2+ 0.3-
170610 F51 0.3- 0.3- 180710 734 0.2- 0.7- 180718 474 0.2+ 0.1+
170610 F51 0.4+ 0.4- 180710 734 0.1- 0.9- 180718 474 0.0 0.0
170726 F51 0.0 0.1- 180710 H21 0.1+ 0.2+ 180718 474 0.1+ 0.1+
170726 F51 0.1- 0.1+ 180710 H21 0.1+ 0.2+ 180718 474 0.2- 0.1-
180622 F51 0.1+ 0.1+ 180710 H21 0.1+ 0.1+ 180722 T05 0.9- 1.3-
180709 F51 0.0 0.3+ 180711 H21 0.2- 0.4+ 180722 T05 0.5+ 0.4-
180709 F51 0.0 0.0 180711 H21 0.1- 0.4+ 180722 T05 0.5+ 0.1-
180709 F51 0.1+ 0.2+ 180711 H21 0.3- 0.1- 180722 T05 0.1+ 0.7+
180709 F51 0.0 0.2+ 180711 E08 0.6+ 0.5+ 180809 474 0.1+ 0.0
180710 104 0.2- 0.6+ 180711 E08 0.7- 0.4+ 180809 474 0.1+ 0.1-
180710 104 0.0 0.5+ 180711 E08 0.2- 0.0 180809 474 0.1- 0.0
180710 104 0.1+ 0.1+ 180714 474 0.2- 0.9-
Ephemeris:
2018 NP1 a,e,i = 1.02, 0.23, 28 q = 0.7864
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 02 15 18 25 42.2 +20 01 10 0.4638 0.8598 60.5 91.5 22.0
...
2019 03 02 18 51 37.2 +22 56 20 0.5630 0.9151 65.6 80.4 22.2
...
2019 03 10 19 05 35.2 +23 46 25 0.6024 0.9469 67.8 76.1 22.2
...
2019 03 16 19 15 50.2 +24 14 24 0.6252 0.9711 69.4 73.5 22.3
2019 03 17 19 17 31.2 +24 18 29 0.6284 0.9751 69.7 73.1 22.3
2019 03 18 19 19 11.6 +24 22 27 0.6314 0.9791 70.0 72.7 22.3
...
2019 03 24 19 29 03.6 +24 43 51 0.6463 1.0032 71.7 70.6 22.3
...
2019 04 01 19 41 38.1 +25 08 03 0.6570 1.0347 74.1 68.2 22.4
...
2019 04 16 20 02 48.3 +25 43 43 0.6498 1.0905 79.4 64.7 22.3
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-F12
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