MPEC 2019-F85 : 2016 ON
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Read MPEC 2019-F84
Read MPEC 2019-F86
M.P.E.C. 2019-F85 Issued 2019 Mar. 26, 03:11 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
2016 ON
Revision to MPEC 2016-O404
Additional Observations:
K16O00N C2012 04 16.40085813 35 06.878-12 24 22.75 23.4 GVEF085F51
K16O00N C2012 04 16.41408513 35 05.988-12 24 19.01 23.0 GVEF085F51
K16O00N C2012 04 16.42728013 35 05.070-12 24 15.61 23.0 GVEF085F51
K16O00N C2012 05 10.29122113 10 03.105-10 37 20.21 21.9 GVEF085F51
K16O00N C2016 05 19.56004219 36 06.419-35 05 30.69 21.2 GVEF085F51
K16O00N C2016 05 19.56932119 36 07.121-35 05 35.21 21.3 GVEF085F51
K16O00N C2016 05 19.57857219 36 07.763-35 05 40.34 21.8 GVEF085F51
K16O00N C2016 05 29.53848419 47 59.581-36 34 03.77 20.4 GVEF085F51
K16O00N C2017 01 13.28575302 15 38.122+24 47 32.66 22.4 GVEF085F51
K16O00N C2017 01 13.29683202 15 39.645+24 47 37.89 21.6 GVEF085F51
K16O00N C2017 01 13.30782702 15 41.145+24 47 43.55 21.8 GVEF085F51
K16O00N C2017 01 13.31882002 15 42.666+24 47 48.54 21.6 GVEF085F51
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
120416 F51 17.6- 9.8+ 170113 F51 0.6+ 0.1- MPO438025 -0.021 day
Orbital elements:
2016 ON Earth MOID = 0.1703 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 270.65898 (2000.0) P Q
n 0.28711758 Peri. 339.79107 +0.99506258 +0.09304789
a 2.2756014 Node 14.99496 -0.06229721 +0.85642123
e 0.4864758 Incl. 7.67020 -0.07726271 +0.50782356
P 3.43 H 19.2 G 0.15 U 0
Residuals in seconds of arc
120416 F51 0.0 0.1- 160818 807 0.0 0.1- 161024 H21 0.1- 0.1+
120416 F51 0.2+ 0.2+ 160821 807 0.4+ 0.4+ 161024 H21 0.2+ 0.1-
120416 F51 0.0 0.1+ 160821 807 0.1- 0.3+ 161024 H21 0.2+ 0.0
120510 F51 0.1- 0.2+ 160821 807 0.2- 0.2+ 161025 H45 0.1- 0.1+
160519 F51 0.3- 0.3+ 160821 807 0.1- 0.3+ 161025 H45 0.0 0.3-
160519 F51 0.1+ 0.3+ 160821 807 0.0 0.1+ 161025 H45 0.0 0.1-
160519 F51 0.2- 0.4- 160825 807 0.1- 0.1- 161025 H45 0.1- 0.1-
160529 F51 0.0 0.0 160825 807 0.1+ 0.1- 161025 H45 0.3+ 0.1+
160723 Y00 0.2+ 0.7+ 160825 807 0.0 0.0 161025 H45 0.2+ 0.1-
160723 Y00 0.5+ 0.2+ 160825 807 0.0 0.0 161026 G96 0.0 0.0
160723 Y00 0.5- 0.0 160826 807 0.0 0.1- 161026 G96 0.1- 0.0
160724 Y00 0.2- 0.4- 160828 Q60 0.2- 0.2- 161026 G96 0.0 0.1+
160724 Y00 0.3- 0.3- 160828 Q60 0.7+ 0.0 161026 G96 0.1+ 0.1-
160724 Y00 0.3- 0.4- 160828 Q60 0.0 0.7- 161027 160 0.9- 0.8+
160724 Y00 0.1+ 0.2+ 160905 W88 0.1- 0.3+ 161027 160 0.1- 0.7-
160724 Y00 0.7+ 0.1- 160905 W88 0.4+ 0.2+ 161027 160 0.7+ 0.2-
160724 Y00 0.0 0.0 160905 W88 0.6+ 0.2+ 161029 160 0.1- 0.3+
160724 E23 0.1+ 0.3+ 160905 W88 0.1+ 0.2+ 161029 160 0.0 0.1+
160724 E23 0.2+ 0.3+ 160907 F51 0.1+ 0.1+ 161029 160 0.0 0.2+
160724 E23 0.2- 0.1+ 160907 F51 0.1+ 0.1+ 161031 246 0.5+ 0.5-
160725 Q62 0.0 0.2+ 160919 F51 0.0 0.0 161031 246 0.6+ 0.2-
160725 Q62 0.1+ 0.2+ 160919 F51 0.1+ 0.2+ 161031 246 0.8+ 0.4+
160725 Q62 0.0 0.1+ 160919 F51 0.0 0.0 161031 246 0.2+ 0.1-
160725 E23 0.4+ 0.3- 160920 807 0.0 0.0 161031 246 0.4+ 0.1-
160725 E23 0.7+ 0.2- 160920 807 0.0 0.1- 161031 246 0.1+ 0.3+
160725 E23 0.4+ 0.2+ 160920 807 0.0 0.0 161031 160 0.6+ 0.8+
160725 Q64 0.0 0.1+ 160922 W88 0.4- 0.1- 161031 160 0.2+ 0.8+
160725 Q64 0.0 0.0 160923 W88 0.2+ 0.2+ 161031 160 0.1- 0.1+
160725 Q64 0.2+ 0.2+ 160928 T05 1.0+ 0.8- 161102 H45 0.1+ 0.4-
160725 Q64 0.2+ 0.2+ 160928 T05 0.6- 0.2- 161102 H45 0.5- 0.4-
160725 Y00 0.3- 0.0 160928 T05 0.7- 0.4- 161102 H45 0.2- 0.3-
160725 Y00 0.0 0.2- 160928 T05 0.4+ 0.7- 161102 H45 0.1+ 0.0
160725 Y00 0.4- 0.1+ 160929 I76 0.7- 1.4- 161102 H45 0.0 0.0
160726 Y00 0.3- 0.4+ 160929 I76 1.1- 0.2- 161102 H45 0.2+ 0.3-
160726 Y00 0.4- 0.2+ 160929 I76 (0.8- 1.9-) 161102 703 0.2+ 0.1-
160726 Y00 0.6- 0.3- 161003 204 0.1+ 0.2+ 161102 703 0.4- 0.9+
160727 E23 0.0 0.1+ 161003 204 0.0 0.2+ 161102 703 0.6- 0.3+
160727 E23 0.2+ 0.2+ 161003 204 0.1- 0.2+ 161102 703 0.3- 0.6-
160727 E23 0.1+ 0.7- 161004 703 0.3+ 0.5- 161107 K38 0.2+ 0.4+
160729 807 0.0 0.1- 161004 703 0.1+ 0.1+ 161107 K38 0.1+ 0.5+
160729 807 0.0 0.1- 161004 703 0.9+ 0.1+ 161107 K38 0.1+ 0.5+
160729 807 0.0 0.0 161004 703 0.3+ 0.1- 161108 703 0.3- 0.0
160731 474 0.0 0.1- 161006 T05 0.6+ 0.1+ 161108 703 1.1- 0.7-
160731 474 0.1+ 0.0 161006 T05 1.0+ 0.3+ 161108 703 1.1- 0.7+
160731 474 0.1+ 0.0 161006 T05 0.4+ 0.5- 161108 703 0.2- 0.6+
160802 807 0.1+ 0.0 161006 T05 0.8- 0.2+ 161117 H21 0.0 0.4-
160802 807 0.2- 0.1- 161010 T05 0.4- 0.2+ 161117 H21 0.1- 0.0
160802 807 0.1- 0.1- 161010 T05 0.1- 1.4+ 161117 H21 0.1- 0.0
160802 807 0.4- 0.1- 161010 T05 0.1- 0.5- 161117 H21 0.0 0.1-
160802 Y00 0.2- 0.0 161010 T05 0.1+ 0.9- 161117 H21 0.3- 0.1-
160802 Y00 0.4- 0.1- 161014 H21 0.3- 0.0 161117 I15 0.4- 0.3-
160802 Y00 0.2- 0.2- 161014 H21 0.5- 0.2+ 161117 I15 0.2- 0.1-
160802 807 0.1+ 0.0 161014 H21 0.0 0.1- 161118 I15 0.2+ 0.2+
160802 807 0.0 0.0 161015 H21 0.4- 0.5- 161119 H45 0.2- 0.1+
160803 807 0.0 0.0 161015 H21 0.5+ 0.6+ 161119 H45 0.2- 0.3-
160803 807 0.1+ 0.0 161015 204 0.1- 0.0 161119 H45 0.4+ 0.1+
160803 807 0.1+ 0.2- 161015 204 0.1- 0.1+ 161119 H45 0.2+ 0.2+
160804 Y00 0.6+ 0.2+ 161015 204 0.0 0.0 161119 H45 0.0 0.1-
160804 Y00 0.2+ 0.2- 161017 300 0.7+ 0.6- 161119 H45 0.3+ 0.3+
160804 Y00 0.2- 0.1- 161017 300 0.0 0.0 161121 H21 0.2- 0.0
160805 807 0.1+ 0.0 161017 300 0.5+ 0.3+ 161121 H21 0.0 0.0
160805 807 0.1+ 0.1- 161017 300 0.5+ 0.6+ 161121 H21 0.2- 0.2-
160805 807 0.1+ 0.0 161017 300 0.3+ 0.8+ 161121 H21 0.1- 0.1-
160805 807 0.1+ 0.0 161019 G96 0.3- 0.4+ 161121 H21 0.2- 0.1-
160805 807 0.1+ 0.1- 161019 G96 0.4- 0.1- 161122 H21 0.1- 0.2-
160806 Y00 0.0 0.2+ 161019 G96 0.0 0.0 161122 H21 0.1- 0.0
160806 Y00 0.8- 0.3- 161019 G96 0.0 0.1- 161122 H21 0.1- 0.0
160806 Y00 0.0 0.1- 161019 T05 0.6- 0.5+ 161122 H21 0.0 0.3-
160806 Y00 0.3- 0.1- 161019 T05 0.7- 0.6+ 161124 D29 0.0 0.1-
160806 Y00 0.6- 0.4- 161019 T05 0.0 0.1- 161124 D29 0.3- 0.2-
160806 Y00 0.4- 1.2- 161019 T05 1.4+ 0.3- 161124 D29 0.5- 0.1-
160809 W88 0.2+ 0.1- 161020 703 0.6- 1.2+ 161125 G96 0.1+ 0.1+
160809 W88 0.1+ 0.1+ 161020 703 0.4- 0.8- 161125 G96 0.2- 0.1-
160809 W88 0.3+ 0.1+ 161021 160 0.2- 0.1- 161125 G96 0.1- 0.0
160809 W88 0.1+ 0.0 161021 160 0.1+ 0.1- 161125 G96 0.6+ 0.8+
160809 W88 0.2- 0.2+ 161021 160 0.1+ 0.1- 161206 H21 0.1- 0.1+
160809 W88 0.2- 0.3+ 161022 H45 0.2+ 0.1+ 161206 H21 0.1- 0.0
160809 W88 0.0 0.3+ 161022 H45 0.2+ 0.4- 161206 H21 0.2- 0.1-
160809 W88 0.1- 0.2+ 161022 H45 0.2+ 0.1- 161206 G96 0.4- 0.2-
160809 W88 0.2- 0.1+ 161022 H45 0.3+ 0.0 161206 G96 0.1- 0.1-
160813 807 0.1- 0.1- 161022 H45 0.1- 0.9- 161206 G96 0.2- 0.2+
160813 807 0.0 0.1- 161022 H45 0.3- 0.0 170113 F51 0.0 0.1+
160814 807 0.0 0.0 161022 160 0.2- 0.7- 170113 F51 0.1+ 0.1-
160818 807 0.0 0.1- 161022 160 0.2- 0.2- 170113 F51 0.1+ 0.3+
160818 807 0.0 0.0 161022 160 1.0- 0.0 170113 F51 0.3+ 0.1-
160818 807 0.1- 0.0 161024 H21 0.3+ 0.1-
160818 807 0.0 0.0 161024 H21 0.0 0.1-
Ephemeris:
2016 ON a,e,i = 2.28, 0.49, 8 q = 1.1686
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 02 24 14 45 07.0 -17 49 53 2.4751 2.9701 110.5 18.2 24.5
...
2019 03 11 14 45 01.8 -18 23 54 2.2291 2.9188 125.4 16.1 24.1
...
2019 03 19 14 42 34.1 -18 33 22 2.1102 2.8902 133.8 14.4 23.9
...
2019 03 25 14 39 33.6 -18 35 58 2.0284 2.8682 140.4 12.8 23.8
2019 03 26 14 38 57.7 -18 36 00 2.0154 2.8644 141.6 12.5 23.8
2019 03 27 14 38 20.1 -18 35 54 2.0027 2.8607 142.7 12.2 23.7
...
2019 04 02 14 34 00.5 -18 32 48 1.9309 2.8380 149.5 10.3 23.6
...
2019 04 10 14 26 49.2 -18 21 34 1.8488 2.8069 159.0 7.4 23.3
...
2019 04 25 14 10 05.8 -17 39 27 1.7424 2.7461 175.3 1.7 22.8
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-F85
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