MPEC 2019-O101 : 2010 NB2
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M.P.E.C. 2019-O101 Issued 2019 July 29, 00:24 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
2010 NB2
Revision to MPEC 2010-O4
Additional Observations:
K10N02B C2016 07 22.32502415 12 03.476+28 40 24.91 20.8 GVEO101F51
K10N02B C2016 07 22.33728015 12 07.837+28 39 58.22 20.8 GVEO101F51
K10N02B C2016 07 22.34953215 12 12.191+28 39 31.84 20.7 GVEO101F51
K10N02B C2016 07 22.36178115 12 16.528+28 39 05.85 20.9 GVEO101F51
K10N02B C2019 07 26.32337 14 58 13.709+24 49 22.68 21.1 wUEO101F51
K10N02B C2019 07 26.33601 14 58 18.337+24 49 00.90 21.2 wUEO101F51
K10N02B KC2019 07 27.11728015 03 03.78 +24 26 55.0 21.1 VuEO101H21
K10N02B KC2019 07 27.13286115 03 09.26 +24 26 28.6 20.9 VuEO101H21
K10N02B KC2019 07 27.14675215 03 14.22 +24 26 04.7 20.9 VuEO101H21
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, K. Chambers, T. de Boer, L. Denneau,
J. Fairlamb, H. Flewelling, C.-C. Lin, E. Magnier.
1.8-m Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.
0.61-m f/4.5 astrograph + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
160722 F51 9- 2- 190727 H21 12- 3- MPO181809 -7.43 days
Orbital elements:
2010 NB2 Earth MOID = 0.1033 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 349.66748 (2000.0) P Q
n 0.32735215 Peri. 292.34944 -0.89388417 -0.15916175
a 2.0850953 Node 240.84925 +0.23449671 -0.96276415
e 0.7610517 Incl. 28.67710 -0.38207641 -0.21852399
P 3.01 H 20.1 G 0.15 U 3
Residuals in seconds of arc
100710 C51 0.1- 0.0 100716 H36 0.4- 1.5- 100802 H21 0.2+ 0.1+
100710 C51 0.7+ 0.1- 100716 H36 0.8- 0.3- 100804 291 0.6- 0.1-
100710 C51 0.5- 0.4- 100716 658 0.4+ 0.1+ 100804 291 0.1- 1.7-
100710 C51 0.3+ 0.6+ 100716 658 0.1- 0.6+ 100804 291 0.8- 1.2+
100710 C51 0.4+ 0.2+ 100716 658 0.3+ 0.4+ 100813 H21 1.2+ 0.7+
100710 C51 0.6- 0.7- 100717 J95 0.6+ 0.4- 100813 H21 0.1+ 0.3+
100715 H21 0.0 0.2- 100717 J95 0.2- 0.1- 100813 H21 0.1+ 0.2-
100715 H21 0.1- 0.3+ 100717 J95 0.3+ 0.0 100813 H21 0.1- 0.0
100715 H21 0.1- 0.1- 100719 H21 0.1- 0.1- 160722 F51 0.4- 0.1-
100715 H21 0.4- 0.1+ 100719 H21 0.1- 0.1- 160722 F51 0.1- 0.3-
100715 H21 0.2- 0.2- 100719 H21 0.0 0.0 160722 F51 0.0 0.1-
100715 568 0.0 0.0 100719 H21 0.0 0.1- 160722 F51 0.1- 0.5+
100715 568 0.1- 0.1+ 100719 G58 0.4- 0.5+ 190726 F51 0.2+ 0.1+
100716 682 2.8+ 3.1- 100719 G58 0.9+ 1.6+ 190726 F51 0.1+ 0.0
100716 H36 0.1- 0.8- 100719 G58 0.1- 0.1+ 190727 H21 0.3+ 0.2+
100716 H36 0.2- 0.1+ 100802 H21 0.2- 0.2- 190727 H21 0.2- 0.4+
100716 682 2.4+ 0.6+ 100802 H21 0.2- 0.1- 190727 H21 0.3+ 0.2+
Ephemeris:
2010 NB2 a,e,i = 2.09, 0.76, 29 q = 0.4982
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 06 29 10 03 10.7 +25 57 26 0.4313 0.7979 48.3 107.8 21.8
...
2019 07 14 13 14 16.3 +29 56 23 0.4517 1.0067 75.9 78.3 21.1
...
2019 07 22 14 28 29.3 +26 51 04 0.5317 1.1155 86.2 65.4 21.3
...
2019 07 28 15 08 14.1 +24 02 14 0.6090 1.1951 91.2 58.2 21.5
2019 07 29 15 13 50.9 +23 34 23 0.6229 1.2081 91.8 57.2 21.5
2019 07 30 15 19 13.2 +23 06 49 0.6370 1.2211 92.4 56.2 21.6
...
2019 08 05 15 47 11.2 +20 29 15 0.7261 1.2980 95.0 51.1 21.9
...
2019 08 13 16 16 15.6 +17 23 35 0.8538 1.3974 96.5 46.1 22.2
...
2019 08 28 16 56 51.7 +12 44 12 1.1116 1.5740 95.6 39.7 22.9
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-O101
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