MPEC 2018-A76 : 2018 AL3
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M.P.E.C. 2018-A76 Issued 2018 Jan. 14, 21:02 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 AL3
Observations:
K18A03L* C2018 01 12.43288 12 12 42.96 +26 07 26.5 20.4 GUEA076G96
K18A03L C2018 01 12.44273 12 12 40.19 +26 08 09.5 21.3 GUEA076G96
K18A03L C2018 01 12.44785 12 12 38.75 +26 08 32.3 21.2 GUEA076G96
K18A03L C2018 01 12.45297 12 12 37.35 +26 08 54.6 21.2 GUEA076G96
K18A03L KC2018 01 12.48301 12 12 28.27 +26 11 08.8 oEA076711
K18A03L KC2018 01 12.48622 12 12 27.37 +26 11 23.0 oEA076711
K18A03L KC2018 01 12.49032 12 12 26.20 +26 11 40.4 oEA076711
K18A03L C2018 01 12.51288 12 12 20.45 +26 13 13.8 21.1 GUEA076I52
K18A03L C2018 01 12.51745 12 12 19.18 +26 13 33.1 21.3 GUEA076I52
K18A03L C2018 01 12.51973 12 12 18.53 +26 13 43.1 21.4 GUEA076I52
K18A03L KC2018 01 13.47759 12 08 23.60 +27 20 53.1 oEA076711
K18A03L KC2018 01 13.48076 12 08 22.69 +27 21 06.0 oEA076711
K18A03L KC2018 01 13.48385 12 08 21.84 +27 21 18.8 oEA076711
K18A03L C2018 01 13.49702 12 08 18.75 +27 22 09.8 20.8 GUEA076I52
K18A03L C2018 01 13.50033 12 08 17.80 +27 22 23.3 21.2 GUEA076I52
K18A03L C2018 01 13.50365 12 08 16.83 +27 22 38.0 20.7 GUEA076I52
K18A03L C2018 01 14.43608 12 04 28.89 +28 25 09.5 20.9 GUEA076I52
K18A03L C2018 01 14.43857 12 04 28.19 +28 25 19.7 21.4 GUEA076I52
K18A03L C2018 01 14.44106 12 04 27.48 +28 25 30.0 20.6 GUEA076I52
K18A03L C2018 01 14.44354 12 04 26.81 +28 25 39.5 21.4 GUEA076I52
Observer details:
711 McDonald Observatory. Observer J. G. Ries. 2.1-m reflector + CCD + focal
reducer.
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.
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.
Orbital elements:
2018 AL3 Earth MOID = 0.0147 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 307.98898 (2000.0) P Q
n 0.80077083 Peri. 303.05909 +0.78982012 -0.60429790
a 1.1484988 Node 94.33670 +0.59195880 +0.70628037
e 0.2453537 Incl. 6.03992 +0.16052713 +0.36877107
P 1.23 H 24.2 G 0.15 U 8
Residuals in seconds of arc
180112 G96 0.0 0.1+ 180112 711 0.5+ 0.4+ 180113 I52 0.2- 0.4-
180112 G96 0.0 0.1+ 180112 I52 0.4- 0.3- 180113 I52 0.4- 0.5-
180112 G96 0.3- 0.2- 180112 I52 0.2- 0.5- 180113 I52 0.8- 0.5+
180112 G96 0.4- 0.1+ 180112 I52 0.3- 0.3- 180114 I52 0.1+ 0.1-
180112 G96 0.0 0.0 180113 711 0.2+ 0.1+ 180114 I52 0.1+ 0.1+
180112 711 0.6+ 0.2+ 180113 711 0.1+ 0.1- 180114 I52 0.1- 0.4+
180112 711 0.7+ 0.6+ 180113 711 0.4+ 0.0 180114 I52 0.3+ 0.1-
Ephemeris:
2018 AL3 a,e,i = 1.15, 0.25, 6 q = 0.8667
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 12 15 14 38 42.1 -27 36 12 0.07381 0.9277 38.6 138.6 25.0
...
2017 12 30 13 09 42.9 +04 56 38 0.07471 0.9786 84.2 91.4 21.8
...
2018 01 07 12 34 54.2 +18 50 06 0.08561 1.0090 105.1 70.2 21.3
...
2018 01 13 12 10 21.2 +26 47 49 0.09658 1.0327 118.2 57.1 21.3
2018 01 14 12 06 14.8 +27 56 19 0.09862 1.0367 120.2 55.1 21.3
2018 01 15 12 02 07.4 +29 01 49 0.1007 1.0407 122.1 53.2 21.3
...
2018 01 21 11 36 58.9 +34 34 05 0.1145 1.0650 132.6 42.9 21.3
...
2018 01 29 11 03 09.4 +39 27 09 0.1366 1.0974 143.3 32.5 21.4
...
2018 02 13 10 08 09.9 +42 28 17 0.1907 1.1573 150.6 24.7 22.1
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-A76
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