MPEC 2018-H78 : 2018 HR1
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 2018-H77
Read MPEC 2018-H79
M.P.E.C. 2018-H78 Issued 2018 Apr. 24, 22:09 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 HR1
Observations:
K18H01R* C2018 04 21.34597 14 44 25.74 +03 51 11.2 21.1 GUEH078G96
K18H01R C2018 04 21.35113 14 44 26.49 +03 51 33.5 20.6 GUEH078G96
K18H01R C2018 04 21.35628 14 44 27.09 +03 51 57.1 21.2 GUEH078G96
K18H01R C2018 04 21.36144 14 44 27.88 +03 52 19.2 UEH078G96
K18H01R C2018 04 21.48272 14 44 44.45 +04 01 17.1 20.8 GUEH078I52
K18H01R C2018 04 21.48521 14 44 44.77 +04 01 28.7 21.1 GUEH078I52
K18H01R C2018 04 21.48740 14 44 45.10 +04 01 39.2 21.0 GUEH078G96
K18H01R C2018 04 21.48770 14 44 45.14 +04 01 39.6 21.5 GUEH078I52
K18H01R C2018 04 21.48815 14 44 45.12 +04 01 41.5 UEH078G96
K18H01R C2018 04 21.48891 14 44 45.27 +04 01 43.9 21.2 GUEH078G96
K18H01R C2018 04 21.48968 14 44 45.27 +04 01 47.6 UEH078G96
K18H01R C2018 04 22.27269 14 47 00.34 +05 03 33.0 21.2 GUEH078G96
K18H01R C2018 04 22.27414 14 47 00.52 +05 03 41.1 20.7 GUEH078G96
K18H01R C2018 04 22.27559 14 47 00.74 +05 03 46.3 UEH078G96
K18H01R KC2018 04 22.95431 14 49 05.17 +06 02 39.2 21.3 VSEH078L01
K18H01R KC2018 04 22.96091 14 49 06.27 +06 03 14.5 21.1 VSEH078L01
K18H01R C2018 04 23.31425 14 50 16.48 +06 36 33.0 20.5 GUEH078I52
K18H01R C2018 04 23.31590 14 50 16.77 +06 36 42.7 20.7 GUEH078I52
K18H01R C2018 04 23.31756 14 50 17.08 +06 36 52.3 20.6 GUEH078I52
K18H01R C2018 04 23.31921 14 50 17.37 +06 37 01.6 20.4 GUEH078I52
K18H01R C2018 04 24.27294 14 53 48.69 +08 15 23.9 20.2 GUEH078I52
K18H01R C2018 04 24.27418 14 53 48.89 +08 15 33.4 19.6 GUEH078I52
K18H01R C2018 04 24.27666 14 53 49.44 +08 15 49.2 20.0 GUEH078I52
Observer details:
G96 Mt. Lemmon Survey. Observers B. M. Africano, J. A. Johnson. 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 HR1 Earth MOID = 0.0237 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 326.02342 (2000.0) P Q
n 0.38212340 Peri. 140.63924 +0.43326111 +0.90105687
a 1.8807611 Node 155.01725 -0.83812381 +0.41077859
e 0.5994702 Incl. 2.65006 -0.33141106 +0.13913110
P 2.58 H 24.3 G 0.15 U 8
Residuals in seconds of arc
180421 G96 0.4- 0.5+ 180421 G96 0.8- 0.2- 180423 I52 0.1+ 0.3-
180421 G96 0.6+ 0.1+ 180421 G96 0.2- 1.2- 180423 I52 0.0 0.1-
180421 G96 0.6- 1.0+ 180421 G96 1.8- 1.0- 180423 I52 0.3+ 0.1-
180421 G96 1.0+ 0.3+ 180422 G96 0.2+ 0.1+ 180423 I52 0.2+ 0.3-
180421 I52 0.8+ 0.4- 180422 G96 0.5- 1.0+ 180424 I52 0.3+ 0.5-
180421 I52 0.3+ 0.1+ 180422 G96 0.5- 1.1- 180424 I52 0.6- 0.7+
180421 G96 0.5+ 0.8+ 180422 L01 0.6+ 0.8+ 180424 I52 0.2- 0.0
180421 I52 0.5+ 0.1- 180422 L01 0.0 0.1-
Ephemeris:
2018 HR1 a,e,i = 1.88, 0.60, 3 q = 0.7533
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 03 25 14 13 01.7 -07 49 45 0.4326 1.3885 149.9 21.1 24.2
...
2018 04 09 14 25 45.0 -04 30 03 0.2592 1.2492 160.8 15.3 22.7
...
2018 04 17 14 35 35.8 -00 17 44 0.1772 1.1741 162.8 14.7 21.7
...
2018 04 23 14 49 13.0 +06 07 31 0.1204 1.1179 158.0 19.7 20.9
2018 04 24 14 52 43.2 +07 46 17 0.1115 1.1086 156.4 21.3 20.8
2018 04 25 14 56 50.2 +09 41 06 0.1027 1.0994 154.4 23.3 20.7
...
2018 05 01 15 53 01.2 +32 00 23 0.05679 1.0442 129.2 48.4 20.0
...
2018 05 09 23 50 02.6 +51 29 38 0.05929 0.9732 51.0 126.2 23.5
...
2018 05 24 01 47 19.3 +23 49 42 0.1906 0.8553 31.2 142.1 27.5
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-H78
Read MPEC 2018-H77
Read MPEC 2018-H79
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)