MPEC 2018-H65 : 2018 HA1
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M.P.E.C. 2018-H65 Issued 2018 Apr. 22, 16:01 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 HA1
Observations:
K18H01A* C2018 04 19.32466 12 59 29.25 -19 38 52.0 20.5 GUEH065G96
K18H01A C2018 04 19.32985 12 59 28.37 -19 38 19.5 20.5 GUEH065G96
K18H01A C2018 04 19.33503 12 59 27.51 -19 37 47.3 20.5 GUEH065G96
K18H01A C2018 04 19.34021 12 59 26.68 -19 37 15.6 20.7 GUEH065G96
K18H01A C2018 04 19.39153 12 59 18.32 -19 31 57.4 21.1 GUEH065I52
K18H01A C2018 04 19.39277 12 59 18.06 -19 31 50.0 21.4 GUEH065I52
K18H01A |C2018 04 20.08245 12 57 33.53 -18 19 18.0 20.3 GUEH065807
K18H01A |C2018 04 20.08754 12 57 32.72 -18 18 45.6 20.4 GUEH065807
K18H01A |C2018 04 20.09263 12 57 31.87 -18 18 13.2 20.3 GUEH065807
K18H01A C2018 04 20.17472 12 57 19.40 -18 09 57.1 20.4 GUEH065I52
K18H01A C2018 04 20.17597 12 57 19.21 -18 09 48.6 20.4 GUEH065I52
K18H01A C2018 04 20.17721 12 57 19.06 -18 09 39.2 20.2 GUEH065I52
K18H01A KC2018 04 20.93405 12 55 20.28 -16 47 48.1 21.0 VdEH065L01
K18H01A KC2018 04 20.93734 12 55 19.76 -16 47 25.2 21.0 VdEH065L01
K18H01A KC2018 04 20.94065 12 55 19.21 -16 47 03.3 21.0 VdEH065L01
K18H01A C2018 04 21.22071 12 54 36.10 -16 16 00.9 20.2 GUEH065I52
K18H01A C2018 04 21.22196 12 54 35.83 -16 15 52.8 20.0 GUEH065I52
K18H01A C2018 04 21.22320 12 54 35.65 -16 15 44.0 20.3 GUEH065I52
K18H01A C2018 04 21.22444 12 54 35.49 -16 15 36.6 20.3 GUEH065I52
K18H01A KC2018 04 21.90077 12 52 49.30 -14 59 23.4 20.7 VqEH065595
K18H01A KC2018 04 21.91388 12 52 47.13 -14 57 52.6 20.3 VqEH065595
K18H01A KC2018 04 21.93047 12 52 44.49 -14 55 59.4 UEH065204
K18H01A KC2018 04 21.95217 12 52 40.90 -14 53 30.6 20.2 GUEH065204
K18H01A C2018 04 22.29552 12 51 46.79 -14 13 53.8 20.9 GUEH065I52
K18H01A C2018 04 22.29649 12 51 46.62 -14 13 45.9 20.2 GUEH065I52
K18H01A C2018 04 22.29746 12 51 46.54 -14 13 39.1 20.5 GUEH065I52
K18H01A C2018 04 22.29842 12 51 46.35 -14 13 32.7 19.9 GUEH065I52
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector
+ CCD.
595 Farra d'Isonzo. Observers M. Ceschia, U. Montanar, E. Pettarin, F. Piani.
Measurer E. Pettarin. 0.61-m f/4.0 reflector + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.61-m f/6.5 astrograph
+ CCD.
G96 Mt. Lemmon Survey. Observer B. M. Africano. Measurers B. M. Africano,
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. L. Seaman, F. C. Shelly.
1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers E. J. Christensen,
B. M. Africano. Measurers B. M. Africano, 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. 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.
Orbital elements:
2018 HA1 PHA, Earth MOID = 0.0297 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 276.79242 (2000.0) P Q
n 0.64971739 Peri. 109.11093 +0.66697913 +0.67603963
a 1.3202405 Node 211.00209 -0.66373419 +0.73011138
e 0.4160210 Incl. 37.45369 +0.33851997 +0.09953789
P 1.52 H 22.0 G 0.15 U 9
Residuals in seconds of arc
180419 G96 0.4+ 0.4- 180420 I52 0.0 0.9- 180421 I52 0.2+ 0.7-
180419 G96 0.1- 0.0 180420 I52 0.3+ 0.3- 180421 595 0.1- 0.2-
180419 G96 0.2- 0.2+ 180420 I52 1.0+ 1.2+ 180421 595 0.1- 0.7+
180419 G96 0.0 0.1- 180420 L01 0.4+ 0.4- 180421 204 0.2- 0.1+
180419 I52 0.2- 0.2+ 180420 L01 0.7+ 0.7+ 180421 204 0.1- 0.1-
180419 I52 1.0- 0.1- 180420 L01 0.6+ 0.8+ 180422 I52 0.5- 0.9-
180420 807 0.3- 0.1- 180421 I52 0.1+ 0.1- 180422 I52 0.6- 0.2+
180420 807 0.1+ 0.0 180421 I52 0.8- 0.3- 180422 I52 0.6+ 0.3+
180420 807 0.1- 0.1+ 180421 I52 0.4- 0.2+ 180422 I52 0.2+ 0.0
Ephemeris:
2018 HA1 a,e,i = 1.32, 0.42, 37 q = 0.7710
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 03 23 13 48 14.7 -42 49 14 0.6040 1.4726 132.3 30.0 23.0
...
2018 04 07 13 27 44.1 -35 03 00 0.4254 1.3883 151.0 20.5 21.9
...
2018 04 15 13 10 16.6 -26 18 25 0.3491 1.3402 162.5 13.0 21.1
...
2018 04 21 12 55 10.2 -16 40 12 0.3062 1.3029 164.9 11.6 20.7
2018 04 22 12 52 33.7 -14 47 42 0.3006 1.2966 163.9 12.4 20.7
2018 04 23 12 49 56.5 -12 50 55 0.2954 1.2902 162.6 13.5 20.7
...
2018 04 29 12 34 13.0 +00 01 02 0.2754 1.2516 149.3 24.3 20.8
...
2018 05 07 12 14 24.4 +17 58 08 0.2781 1.1987 127.5 41.9 21.2
...
2018 05 22 11 44 56.2 +43 06 43 0.3475 1.0969 94.7 66.9 22.3
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-H65
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