MPEC 2019-H21 : 2016 AK131
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M.P.E.C. 2019-H21 Issued 2019 Apr. 19, 01:06 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 AK131
Revision to MPEC 2016-A140
Additional Observations:
K16AD1K C2012 01 20.35556 07 58 19.20 +13 43 26.5 21.3 VrEH021G96
K16AD1K C2012 01 20.36366 07 58 18.62 +13 43 36.5 21.6 VrEH021G96
K16AD1K C2012 01 20.37182 07 58 18.01 +13 43 45.3 21.6 VrEH021G96
K16AD1K C2012 01 20.37995 07 58 17.43 +13 43 55.1 21.2 VrEH021G96
K16AD1K C2012 01 21.49989907 57 00.663+14 05 35.01 20.9 GVEH021F51
K16AD1K C2012 01 21.52564607 56 58.819+14 06 04.32 21.6 GVEH021F51
K16AD1K C2012 01 21.53721107 56 58.006+14 06 17.70 21.5 GVEH021F51
K16AD1K C2015 07 24.53748323 35 57.280-08 54 21.04 21.8 GVEH021F51
K16AD1K C2015 07 24.54996623 35 58.714-08 54 29.14 21.8 GVEH021F51
K16AD1K C2015 07 24.56239523 36 00.134-08 54 37.20 21.8 GVEH021F51
K16AD1K C2015 11 27.41603604 14 10.609-30 19 08.59 20.1 GVEH021F51
K16AD1K C2015 11 27.42648404 14 10.770-30 18 45.41 20.7 GVEH021F51
K16AD1K C2015 11 27.44210404 14 11.021-30 18 10.54 20.3 GVEH021F51
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.
G96 Mt. Lemmon Survey. Observer A. R. Gibbs. Measurers J. D. Ahern,
E. C. Beshore, A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-m reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
120120 G96 1.31- 0.10- 151127 F51 1.1+ 18.7- MPO365017 -1.4 day
Orbital elements:
2016 AK131 Earth MOID = 0.3413 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 305.55767 (2000.0) P Q
n 0.23982440 Peri. 263.25717 +0.81263951 -0.55073587
a 2.5657074 Node 129.96661 +0.58253183 +0.77694651
e 0.5288135 Incl. 14.39563 -0.01654370 +0.30503134
P 4.11 H 20.5 G 0.15 U 0
Residuals in seconds of arc
120120 G96 0.1- 0.5- 160109 F51 0.2+ 0.0 160112 291 0.2- 0.4+
120120 G96 0.1+ 0.1+ 160109 F51 0.1+ 0.1+ 160112 291 0.2- 0.0
120120 G96 0.1- 0.5- 160110 807 0.3+ 0.2- 160113 291 0.3- 0.1-
120120 G96 0.1+ 0.2- 160110 807 0.0 0.2- 160113 291 0.0 0.4-
120121 F51 0.1- 0.1+ 160110 807 0.1- 0.1- 160113 291 0.2- 0.0
120121 F51 0.0 0.0 160110 291 0.0 0.1+ 160115 H21 0.1+ 0.3-
120121 F51 0.1+ 0.1+ 160110 291 0.1+ 0.3- 160115 H21 0.2+ 0.5-
150724 F51 0.1- 0.2+ 160110 291 1.1- 0.1+ 160115 H21 0.3+ 0.1-
150724 F51 0.0 0.1+ 160110 926 0.1+ 0.3+ 160117 807 0.1+ 0.0
150724 F51 0.1+ 0.1+ 160110 926 0.1+ 0.1+ 160117 807 0.3+ 0.0
151127 F51 0.2+ 0.1- 160110 926 0.7- 0.4+ 160117 807 0.2+ 0.5-
151127 F51 0.0 0.1- 160112 807 0.2+ 0.2+ 160205 H21 0.3- 0.2+
151127 F51 0.1- 0.1- 160112 807 0.1+ 0.1+ 160205 H21 0.4- 0.3+
160109 F51 0.1+ 0.3+ 160112 807 0.1- 0.0 160205 H21 0.3- 0.4+
160109 F51 0.2+ 0.0 160112 291 0.3- 0.5+
Ephemeris:
2016 AK131 a,e,i = 2.57, 0.53, 14 q = 1.2089
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 03 20 19 20 31.4 -13 08 35 2.8393 2.6554 69.3 20.5 25.9
...
2019 04 04 19 39 56.7 -12 19 19 2.5658 2.5719 79.1 22.4 25.7
...
2019 04 12 19 49 38.7 -11 50 55 2.4174 2.5261 84.5 23.3 25.5
...
2019 04 18 19 56 33.6 -11 29 18 2.3058 2.4913 88.5 23.8 25.4
2019 04 19 19 57 40.9 -11 25 42 2.2872 2.4855 89.2 23.8 25.4
2019 04 20 19 58 47.5 -11 22 06 2.2686 2.4796 89.9 23.9 25.4
...
2019 04 26 20 05 14.6 -11 00 47 2.1573 2.4442 94.1 24.2 25.2
...
2019 05 04 20 13 12.5 -10 33 40 2.0101 2.3963 99.7 24.5 25.1
...
2019 05 19 20 25 46.9 -09 51 40 1.7415 2.3045 110.9 24.2 24.6
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-H21
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