MPEC 2018-A57 : 2018 AQ2
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M.P.E.C. 2018-A57 Issued 2018 Jan. 14, 01:21 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 AQ2
Observations:
K18A02Q* C2018 01 11.55727 08 42 59.065+27 17 58.59 20.3 wUEA057F51
K18A02Q C2018 01 11.55791 08 42 59.108+27 17 59.38 20.3 wUEA057F51
K18A02Q C2018 01 11.56888 08 42 59.849+27 18 12.18 20.2 wUEA057F51
K18A02Q C2018 01 11.56954 08 42 59.895+27 18 12.92 20.2 wUEA057F51
K18A02Q C2018 01 11.58055 08 43 00.649+27 18 25.82 20.2 wUEA057F51
K18A02Q C2018 01 11.58119 08 43 00.691+27 18 26.50 20.3 wUEA057F51
K18A02Q C2018 01 11.59284 08 43 01.497+27 18 39.90 20.2 wUEA057F51
K18A02Q (C2018 01 12.22111 08 43 54.75 +27 31 40.6 19.8 GUEA057G40
K18A02Q (C2018 01 12.22792 08 43 55.27 +27 31 48.8 19.9 GUEA057G40
K18A02Q C2018 01 12.31150 08 44 05.18 +27 33 38.3 20.2 GUEA057G96
K18A02Q C2018 01 12.31373 08 44 05.28 +27 33 40.6 20.0 GUEA057703
K18A02Q C2018 01 12.31666 08 44 05.55 +27 33 45.1 20.3 GUEA057G96
K18A02Q C2018 01 12.31899 08 44 05.74 +27 33 47.8 20.5 GUEA057703
K18A02Q C2018 01 12.32184 08 44 05.90 +27 33 52.0 20.2 GUEA057G96
K18A02Q C2018 01 12.32425 08 44 06.15 +27 33 55.3 20.3 GUEA057703
K18A02Q C2018 01 12.32700 08 44 06.29 +27 33 58.8 20.0 GUEA057G96
K18A02Q C2018 01 12.32951 08 44 06.47 +27 34 01.6 19.7 GUEA057703
K18A02Q KC2018 01 12.33395 08 44 06.52 +27 34 09.3 oEA057711
K18A02Q KC2018 01 12.33650 08 44 06.71 +27 34 12.6 oEA057711
K18A02Q KC2018 01 12.33891 08 44 06.87 +27 34 15.7 oEA057711
K18A02Q KC2018 01 13.32819 08 45 37.15 +27 56 42.0 oEA057711
K18A02Q KC2018 01 13.33097 08 45 37.37 +27 56 45.9 oEA057711
K18A02Q KC2018 01 13.33371 08 45 37.58 +27 56 49.8 oEA057711
K18A02Q C2018 01 13.40148 08 45 45.419+27 58 30.91 20.1 wUEA057F51
K18A02Q C2018 01 13.41317 08 45 46.349+27 58 48.40 19.9 wUEA057F51
K18A02Q C2018 01 13.42492 08 45 47.266+27 59 05.86 19.9 wUEA057F51
K18A02Q C2018 01 13.43679 08 45 48.192+27 59 23.41 19.9 wUEA057F51
K18A02Q KC2018 01 13.93559 08 46 37.08 +28 11 18.3 19.7 VqEA057595
K18A02Q KC2018 01 13.94694 08 46 38.08 +28 11 35.6 qEA057595
Observer details:
595 Farra d'Isonzo. Observers E. Pettarin, F. Piani. Measurer E. Pettarin.
0.61-m f/4.0 reflector + CCD.
703 Catalina Sky Survey. Observer J. A. Johnson. Measurers E. J. Christensen,
D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
0.68-m Schmidt + 10K CCD.
711 McDonald Observatory. Observer J. G. Ries. 2.1-m reflector + CCD + focal
reducer.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz,
M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters, R. Weryk. 1.8-m
Ritchey-Chretien + CCD.
G40 Slooh.com Canary Islands Observatory. Observer K. Dankov. 0.5-m f/6.8
Corrected Dall-Kirkham + CCD.
G96 Mt. Lemmon Survey. Observer D. C. Fuls. Measurers E. J. Christensen,
D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
1.5-m reflector + 10K CCD.
Orbital elements:
2018 AQ2 Earth MOID = 0.0223 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 303.59665 (2000.0) P Q
n 0.29256888 Peri. 152.94235 -0.93310230 +0.35881844
a 2.2472461 Node 48.10622 -0.33546583 -0.84462798
e 0.6679784 Incl. 1.83705 -0.12954838 -0.39730706
P 3.37 H 22.1 G 0.15 U 8
Residuals in seconds of arc
180111 F51 0.0 0.0 180112 703 0.7- 0.6- 180113 711 0.3- 0.4+
180111 F51 0.0 0.1+ 180112 G96 0.0 0.0 180113 711 0.2- 0.3+
180111 F51 0.0 0.0 180112 703 0.3+ 0.4- 180113 711 0.3- 0.3+
180111 F51 0.0 0.0 180112 G96 0.3- 0.1+ 180113 F51 0.0 0.1-
180111 F51 0.0 0.1+ 180112 703 0.7+ 0.2+ 180113 F51 0.1+ 0.0
180111 F51 0.0 0.0 180112 G96 0.1- 0.1+ 180113 F51 0.0 0.0
180111 F51 0.0 0.1- 180112 703 0.1- 0.5- 180113 F51 0.0 0.0
180112 G40 0.5+ 0.0 180112 711 0.2+ 0.0 180113 595 0.2- 0.2+
180112 G40 0.6+ 0.1- 180112 711 0.3+ 0.1- 180113 595 0.0 0.0
180112 G96 0.1+ 0.1+ 180112 711 0.1+ 0.1-
Ephemeris:
2018 AQ2 a,e,i = 2.25, 0.67, 2 q = 0.7461
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 12 15 08 16 20.3 +23 22 33 0.5829 1.4867 141.8 24.2 22.9
...
2017 12 30 08 29 46.0 +24 36 09 0.3794 1.3347 154.0 18.9 21.6
...
2018 01 07 08 37 28.9 +26 01 05 0.2824 1.2525 160.0 15.6 20.7
...
2018 01 13 08 45 06.2 +27 49 03 0.2145 1.1907 163.4 13.7 19.9
2018 01 14 08 46 42.4 +28 13 09 0.2036 1.1804 163.7 13.5 19.8
2018 01 15 08 48 27.5 +28 39 40 0.1928 1.1702 164.0 13.4 19.6
...
2018 01 21 09 04 29.5 +32 36 52 0.1301 1.1090 162.7 15.3 18.7
...
2018 01 29 10 38 27.9 +48 02 48 0.05533 1.0292 142.1 36.0 17.3
...
2018 02 13 19 40 21.3 -06 55 53 0.1142 0.8918 31.4 144.8 24.7
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-A57
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