MPEC 2018-B39 : 2018 AG13
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M.P.E.C. 2018-B39 Issued 2018 Jan. 18, 17:33 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 AG13
Observations:
K18A13G* C2018 01 15.22173 01 06 13.666-07 48 08.27 21.0 wUEB039F51
K18A13G C2018 01 15.23487 01 06 15.592-07 47 16.44 21.2 wUEB039F51
K18A13G C2018 01 15.24798 01 06 17.511-07 46 24.34 21.2 wUEB039F51
K18A13G C2018 01 15.26112 01 06 19.434-07 45 32.26 21.2 wUEB039F51
K18A13G |C2018 01 16.04685 01 08 17.61 -06 53 26.4 20.7 GUEB039807
K18A13G |C2018 01 16.04943 01 08 17.99 -06 53 16.3 21.0 GUEB039807
K18A13G |C2018 01 16.05260 01 08 18.46 -06 53 03.7 21.1 GUEB039807
K18A13G KC2018 01 16.08304 01 08 23.32 -06 51 14.0 oEB039691
K18A13G KC2018 01 16.09099 01 08 24.47 -06 50 42.5 oEB039691
K18A13G KC2018 01 16.09894 01 08 25.67 -06 50 10.8 oEB039691
K18A13G C2018 01 16.13362 01 08 30.76 -06 47 53.2 20.6 GUEB039I52
K18A13G C2018 01 16.13610 01 08 31.11 -06 47 43.4 20.5 GUEB039I52
K18A13G C2018 01 16.13735 01 08 31.33 -06 47 38.5 20.9 GUEB039I52
K18A13G _C2018 01 16.23393401 08 45.952-06 41 13.20 21.0 GUEB039568
K18A13G _C2018 01 16.23487801 08 46.092-06 41 09.46 21.0 GUEB039568
K18A13G _C2018 01 16.23582101 08 46.231-06 41 05.68 21.0 GUEB039568
K18A13G C2018 01 17.15529301 11 05.21 -05 40 14.4 20.4 GUEB039H01
K18A13G C2018 01 17.15851701 11 05.68 -05 40 01.5 20.6 GUEB039H01
K18A13G C2018 01 17.17096201 11 07.53 -05 39 12.1 20.3 GUEB039H01
K18A13G C2018 01 17.18039001 11 08.94 -05 38 34.5 20.4 GUEB039H01
K18A13G C2018 01 18.07950 01 13 25.97 -04 38 58.0 21.3 GUEB039I52
K18A13G C2018 01 18.08115 01 13 26.16 -04 38 51.5 20.1 GUEB039I52
K18A13G C2018 01 18.08281 01 13 26.48 -04 38 45.2 21.4 GUEB039I52
Observer details:
568 Mauna Kea. Observers R. J. Wainscoat, L. Wells. Measurers M. Micheli,
R. J. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD.
691 Steward Observatory, Kitt Peak. Observer M. T. Read. 0.9-m f/3 reflector
+ CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes. 1.00-m f/10.0 astrograph
+ CCD.
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.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers J. A. Johnson,
R. G. Matheny. 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. 1.0-m reflector + CCD.
Orbital elements:
2018 AG13 Earth MOID = 0.1628 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 330.87352 (2000.0) P Q
n 0.21707979 Peri. 342.68387 +0.29565371 -0.79169130
a 2.7419306 Node 87.32836 +0.92755969 +0.10403336
e 0.5879054 Incl. 32.35729 +0.22852111 +0.60199829
P 4.54 H 19.2 G 0.15 U 6
Residuals in seconds of arc
180115 F51 0.0 0.2+ 180116 691 0.3- 0.1+ 180117 H01 0.3+ 0.1-
180115 F51 0.0 0.1- 180116 691 0.1+ 0.2+ 180117 H01 0.1+ 0.1-
180115 F51 0.1+ 0.0 180116 I52 0.1- 0.1+ 180117 H01 0.0 0.2-
180115 F51 0.0 0.1- 180116 I52 0.4- 0.1+ 180117 H01 0.1+ 0.1-
180116 807 0.1+ 0.0 180116 I52 0.2+ 0.0 180118 I52 0.1+ 0.2+
180116 807 0.1+ 0.1- 180116 568 0.1+ 0.1- 180118 I52 0.7- 0.2+
180116 807 0.1+ 0.1- 180116 568 0.1+ 0.1- 180118 I52 0.4+ 0.1-
180116 691 0.1- 0.2+ 180116 568 0.1+ 0.1-
Ephemeris:
2018 AG13 a,e,i = 2.74, 0.59, 32 q = 1.1299
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 12 19 00 01 57.0 -34 59 19 0.8543 1.1821 79.7 55.0 21.2
...
2018 01 03 00 36 29.9 -20 52 07 0.8121 1.1417 78.3 57.5 21.1
...
2018 01 11 00 55 46.6 -12 25 01 0.8022 1.1318 77.9 58.2 21.1
...
2018 01 17 01 10 42.0 -05 50 28 0.8027 1.1300 77.7 58.3 21.1
2018 01 18 01 13 13.9 -04 44 11 0.8035 1.1302 77.7 58.3 21.1
2018 01 19 01 15 46.7 -03 37 52 0.8044 1.1305 77.7 58.3 21.1
...
2018 01 25 01 31 22.3 +02 58 30 0.8149 1.1352 77.6 57.9 21.1
...
2018 02 02 01 53 08.4 +11 31 18 0.8408 1.1490 77.5 56.9 21.2
...
2018 02 17 02 37 59.6 +25 48 27 0.9243 1.1959 77.3 53.7 21.4
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-B39
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