[Iaude] MPEC E110: 2016 EN84 [a=1.92,e=0.46,i=12.2,H=20.21]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Thu Mar 7 10:13:36 EST 2024
M.P.E.C. 2024-E110 Issued 2024 March 7, 15:12 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2016 EN84
Revision to MPEC 2016-E104
Additional Observations:
K16E84N C2024 01 21.63471613 36 09.724+07 30 24.93 22.28GVEE110F52
K16E84N C2024 01 21.64258613 36 10.689+07 30 22.66 23.14GVEE110F52
K16E84N C2024 01 21.65840513 36 12.533+07 30 16.63 22.83GVEE110F52
K16E84N |C2024 03 05.27929015 12 41.400+03 12 57.10 21.2 GVEE110807
K16E84N |C2024 03 05.28377015 12 42.040+03 12 55.10 21.3 GVEE110807
K16E84N |C2024 03 05.28810015 12 42.660+03 12 52.20 21.2 GVEE110807
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
0.61-m f/6.8 Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Herman, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, 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
240121 F52 20.7- 13.4- 240305 807 45.8- 29.0- MPO389162 +0.03 days
Orbital elements:
2016 EN84 Earth MOID = 0.0621 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5 Veres
M 337.28819 (2000.0) P Q
n 0.36918644 Peri. 212.30907 -0.09801194 +0.98093758
a 1.9244452 Node 52.61737 -0.86227750 +0.00047287
e 0.4612489 Incl. 12.19089 -0.49686132 -0.19432250
P 2.67 H 20.21 G 0.15 U 0
Residuals in seconds of arc
160305 F51 0.0 0.1+ 160319 691 0.6+ 1.0- 160810 F51 0.1+ 0.0
160305 F51 0.2- 0.1+ 160319 691 0.5+ 0.8- 160810 F51 0.1+ 0.0
160305 F51 0.2- 0.2+ 160331 691 1.2- 0.5+ 160810 F51 0.1+ 0.2-
160305 F51 0.3- 0.1+ 160331 691 0.5- 0.2- 160810 F51 0.2+ 0.2-
160306 H21 0.1+ 0.2+ 160331 691 0.8+ 0.9+ 160906 F51 0.2- 0.2-
160306 H21 0.3+ 0.0 160424 Q62 0.0 0.1+ 160906 F51 0.0 0.0
160306 H21 0.2+ 0.2+ 160424 Q62 0.5- 0.1+ 160906 F51 0.1+ 0.2-
160309 926 0.6+ 0.0 160424 Q62 1.1+ 0.4- 160925 F51 0.2+ 0.0
160309 926 0.7- 0.1- 160504 Q62 0.0 0.7- 160925 F51 0.1+ 0.1-
160309 926 0.3+ 0.6- 160504 Q62 0.0 0.2+ 160925 F51 0.1+ 0.1-
160310 926 0.2+ 0.3+ 160504 Q62 0.3- 0.2+ 160925 F51 0.1+ 0.2-
160310 926 0.1- 0.1- 160607 474 0.3- 0.1- 161025 F51 0.3- 0.1-
160310 926 0.0 0.1- 160607 474 0.3+ 0.2- 161025 F51 0.2+ 0.0
160313 I52 0.2- 0.2- 160607 474 0.0 0.2+ 161025 F51 0.3+ 0.5-
160313 I52 0.5- 0.1- 160706 568 0.0 0.0 240121 F52 0.2- 0.3-
160313 I52 0.8- 0.6- 160706 568 0.1- 0.0 240121 F52 0.2+ 0.3+
160313 I52 1.8- 0.3+ 160706 568 0.2- 0.2+ 240121 F52 0.2- 0.1-
160315 807 0.2- 0.1- 160706 568 0.1- 0.0 240305 807 0.4+ 0.5+
160315 807 0.1- 0.1- 160707 807 0.3- 0.4+ 240305 807 0.0 0.5+
160315 807 0.1- 0.0 160707 807 0.3- 0.3+ 240305 807 0.3- 0.5-
160319 691 1.8+ 0.0 160707 807 0.3- 0.4+
Ephemeris:
2016 EN84 a,e,i = 1.92, 0.46, 12 q = 1.0368
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 02 06 14 07 57.5 +06 02 13 0.9662 1.5772 107.8 36.5 22.6
...
2024 02 21 14 40 50.7 +04 38 48 0.7736 1.4806 113.7 37.7 22.0
...
2024 02 29 14 59 36.6 +03 49 39 0.6794 1.4292 116.5 38.3 21.7
...
2024 03 06 15 14 30.9 +03 07 25 0.6128 1.3911 118.2 38.9 21.4
2024 03 07 15 17 05.1 +02 59 44 0.6020 1.3848 118.5 39.0 21.4
2024 03 08 15 19 40.9 +02 51 49 0.5914 1.3785 118.8 39.1 21.3
...
2024 03 14 15 35 54.6 +01 58 43 0.5297 1.3410 120.2 39.9 21.0
...
2024 03 22 15 59 48.5 +00 26 49 0.4536 1.2923 121.4 41.1 20.7
...
2024 04 06 16 56 13.0 -04 16 37 0.3319 1.2068 121.3 45.1 19.9
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-E110
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