MPEC 2018-A81 : 2018 AX3
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M.P.E.C. 2018-A81 Issued 2018 Jan. 15, 17:59 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 AX3
Observations:
K18A03X* C2018 01 13.18888 05 10 47.48 +18 05 17.5 20.3 GUEA081G96
K18A03X C2018 01 13.19399 05 10 47.89 +18 04 43.8 20.2 GUEA081G96
K18A03X C2018 01 13.20423 05 10 48.69 +18 03 37.0 20.8 GUEA081G96
K18A03X C2018 01 13.22976905 10 50.52 +18 00 47.4 20.4 GUEA081H01
K18A03X C2018 01 13.23528505 10 50.95 +18 00 11.2 20.1 GUEA081H01
K18A03X C2018 01 13.24307105 10 51.59 +17 59 20.0 20.2 GUEA081H01
K18A03X C2018 01 13.25096705 10 52.24 +17 58 27.9 20.4 GUEA081H01
K18A03X KC2018 01 13.29825 05 10 56.38 +17 53 18.8 oEA081691
K18A03X C2018 01 13.29853 05 10 56.34 +17 53 15.9 19.8 GUEA081I52
K18A03X C2018 01 13.29929 05 10 56.41 +17 53 11.6 19.5 GUEA081I52
K18A03X C2018 01 13.30005 05 10 56.49 +17 53 06.1 20.3 GUEA081I52
K18A03X C2018 01 13.30081 05 10 56.53 +17 53 01.1 20.3 GUEA081I52
K18A03X KC2018 01 13.31270 05 10 57.57 +17 51 43.5 oEA081691
K18A03X KC2018 01 13.80549105 11 53.24 +16 57 54.6 20.9 VSEA081L01
K18A03X KC2018 01 13.81334205 11 53.92 +16 57 03.8 21.2 VSEA081L01
K18A03X KC2018 01 13.81581 05 11 55.24 +16 56 54.5 20.0 RUEA081Z84
K18A03X KC2018 01 13.81940 05 11 55.52 +16 56 31.2 19.9 RUEA081Z84
K18A03X C2018 01 14.10365 05 12 26.25 +16 25 50.8 20.8 GUEA081I52
K18A03X C2018 01 14.10442 05 12 26.35 +16 25 45.9 20.4 GUEA081I52
K18A03X C2018 01 14.10518 05 12 26.38 +16 25 40.8 20.2 GUEA081I52
K18A03X C2018 01 14.10594 05 12 26.44 +16 25 35.6 19.9 GUEA081I52
K18A03X KC2018 01 14.16805 05 12 31.25 +16 18 59.4 oEA081711
K18A03X KC2018 01 14.17159 05 12 31.54 +16 18 36.5 oEA081711
K18A03X KC2018 01 14.17472 05 12 31.80 +16 18 16.5 oEA081711
K18A03X C2018 01 14.21526 05 12 35.60 +16 13 52.2 20.5 GUEA081G96
K18A03X C2018 01 14.22038 05 12 36.01 +16 13 18.7 20.5 GUEA081G96
K18A03X C2018 01 14.22745 05 12 36.59 +16 12 32.9 20.8 GUEA081G96
K18A03X C2018 01 14.23446 05 12 37.10 +16 11 48.0 20.2 GUEA081G96
K18A03X KC2018 01 15.13690 05 14 16.23 +14 35 21.8 oEA081711
K18A03X KC2018 01 15.13995 05 14 16.49 +14 35 03.0 oEA081711
K18A03X KC2018 01 15.14307 05 14 16.76 +14 34 43.0 oEA081711
K18A03X C2018 01 15.16859 05 14 19.38 +14 31 58.8 19.1 GUEA081G96
K18A03X C2018 01 15.16900 05 14 19.40 +14 31 57.0 20.0 GUEA081G96
K18A03X C2018 01 15.17017 05 14 19.49 +14 31 48.2 19.7 GUEA081G96
K18A03X C2018 01 15.29708 05 14 30.30 +14 18 21.0 20.4 GUEA081I52
K18A03X C2018 01 15.29784 05 14 30.38 +14 18 16.0 20.4 GUEA081I52
K18A03X C2018 01 15.29861 05 14 30.43 +14 18 11.2 20.4 GUEA081I52
K18A03X C2018 01 15.29937 05 14 30.50 +14 18 06.2 20.6 GUEA081I52
Observer details:
691 Steward Observatory, Kitt Peak. Observer M. T. Read. 0.9-m f/3 reflector
+ CCD.
711 McDonald Observatory. Observer J. G. Ries. 2.1-m reflector + CCD + focal
reducer.
G96 Mt. Lemmon Survey. Observers D. C. Fuls, A. R. Gibbs. 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.
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 R. G. Matheny,
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. 1.0-m reflector + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
Z84 Calar Alto-Schmidt. Observer E. Schwab. Measurers E. Schwab, M. Micheli,
D. Koschny. 0.8-m f/3 Schmidt + CCD.
Orbital elements:
2018 AX3 Earth MOID = 0.1112 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 279.62852 (2000.0) P Q
n 0.57706568 Peri. 190.24957 -0.44449978 -0.86770960
a 1.4288475 Node 286.43991 +0.83740673 -0.31432225
e 0.2365708 Incl. 13.41306 +0.31807218 -0.38507347
P 1.71 H 23.4 G 0.15 U 7
Residuals in seconds of arc
180113 G96 0.0 0.0 180113 L01 0.2- 0.1+ 180114 G96 0.2+ 0.3-
180113 G96 0.0 0.3- 180113 L01 0.2- 0.2+ 180114 G96 0.7- 0.2+
180113 G96 0.2- 0.0 180113 Z84 0.1+ 0.2+ 180115 711 0.3- 0.1-
180113 H01 0.2+ 0.1- 180113 Z84 0.4- 0.1+ 180115 711 0.3- 0.4+
180113 H01 0.1- 0.0 180114 I52 0.1+ 0.0 180115 711 0.2- 0.2+
180113 H01 0.1+ 0.1+ 180114 I52 0.6+ 0.0 180115 G96 0.3+ 0.1+
180113 H01 0.2+ 0.0 180114 I52 0.1+ 0.2- 180115 G96 0.0 0.9+
180113 691 0.2+ 0.0 180114 I52 0.0 0.5- 180115 G96 0.1- 0.5-
180113 I52 0.2- 0.4- 180114 711 0.1+ 0.1+ 180115 I52 0.0 0.1-
180113 I52 0.1- 0.4+ 180114 711 0.1+ 0.1+ 180115 I52 0.2+ 0.2-
180113 I52 0.1+ 0.1- 180114 711 0.2+ 0.3+ 180115 I52 0.0 0.1-
180113 I52 0.2- 0.1- 180114 G96 0.4+ 0.1+ 180115 I52 0.0 0.3-
180113 691 0.2- 0.2+ 180114 G96 0.2+ 0.3-
Ephemeris:
2018 AX3 a,e,i = 1.43, 0.24, 13 q = 1.0908
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 12 16 04 39 14.0 +59 45 02 0.1752 1.1280 142.3 32.2 21.2
...
2017 12 31 04 50 46.6 +41 47 54 0.1362 1.1039 150.5 26.0 20.5
...
2018 01 08 05 02 07.3 +27 43 01 0.1285 1.0959 149.4 27.2 20.4
...
2018 01 14 05 12 12.6 +16 37 29 0.1303 1.0923 144.5 31.5 20.5
2018 01 15 05 14 00.0 +14 50 18 0.1313 1.0919 143.4 32.4 20.6
2018 01 16 05 15 49.1 +13 05 03 0.1324 1.0916 142.4 33.4 20.6
...
2018 01 22 05 27 15.7 +03 27 11 0.1423 1.0908 135.8 38.9 20.9
...
2018 01 30 05 43 40.2 -06 32 42 0.1624 1.0930 128.2 45.1 21.4
...
2018 02 14 06 16 32.3 -17 33 36 0.2127 1.1070 119.2 51.1 22.2
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-A81
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