MPEC 2018-H52 : 2018 HM
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M.P.E.C. 2018-H52 Issued 2018 Apr. 20, 15:37 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 HM
Observations:
K18H00M* C2018 04 18.32287 14 14 11.37 +40 39 59.1 20.8 GUEH052G96
K18H00M C2018 04 18.32989 14 14 16.29 +40 43 21.4 20.1 GUEH052G96
K18H00M C2018 04 18.34129 14 14 24.23 +40 48 53.0 20.4 GUEH052G96
K18H00M C2018 04 18.35572014 14 32.03 +40 55 30.4 19.5 GUEH052H01
K18H00M C2018 04 18.36268714 14 36.94 +40 58 47.7 20.1 GUEH052H01
K18H00M C2018 04 18.36955214 14 41.82 +41 02 00.7 20.1 GUEH052H01
K18H00M C2018 04 18.37701214 14 47.11 +41 05 29.0 20.3 GUEH052H01
K18H00M C2018 04 18.41732 14 15 17.92 +41 24 10.3 20.1 GUEH052I52
K18H00M C2018 04 18.41842 14 15 18.64 +41 24 39.9 20.6 GUEH052I52
K18H00M C2018 04 18.41952 14 15 19.49 +41 25 09.5 20.6 GUEH052I52
K18H00M C2018 04 18.42062 14 15 20.25 +41 25 38.0 20.2 GUEH052I52
K18H00M pC2018 04 18.91274 14 22 55.11 +44 41 57.3 20.3 VSEH052L01
K18H00M KC2018 04 18.91454 14 22 56.21 +44 42 35.7 20.4 VSEH052L01
K18H00M KC2018 04 18.91819 14 22 58.54 +44 43 52.8 20.4 VSEH052L01
K18H00M IC2018 04 18.92003 14 22 59.57 +44 44 32.1 20.1 VSEH052L01
K18H00M KC2018 04 19.07457 14 24 32.02 +45 35 56.8 UEH052204
K18H00M HC2018 04 19.09100 14 24 41.64 +45 41 00.3 UEH052204
K18H00M KC2018 04 19.11265 14 24 54.44 +45 47 32.8 20.4 GUEH052204
K18H00M KC2018 04 19.12944 14 25 04.63 +45 52 32.2 UEH052204
K18H00M C2018 04 19.21420 14 26 51.18 +46 19 54.2 20.1 GUEH052I52
K18H00M C2018 04 19.21565 14 26 52.02 +46 20 21.8 20.6 GUEH052I52
K18H00M C2018 04 19.21709 14 26 52.73 +46 20 48.8 21.2 GUEH052I52
K18H00M C2018 04 19.21854 14 26 53.61 +46 21 16.5 20.8 GUEH052I52
K18H00M IC2018 04 19.91841 14 34 11.66 +49 16 25.0 21.1 VSEH052L01
K18H00M KC2018 04 19.92416 14 34 14.15 +49 17 41.7 21.2 VSEH052L01
K18H00M KC2018 04 19.93013 14 34 16.71 +49 19 01.6 21.1 VSEH052L01
K18H00M KC2018 04 20.22861 14 37 03.93 +50 18 43.0 21.6 RqEH052734
K18H00M KC2018 04 20.23535 14 37 06.45 +50 20 02.6 21.6 RqEH052734
K18H00M KC2018 04 20.24814 14 37 11.02 +50 22 28.9 21.0 RqEH052734
K18H00M C2018 04 20.30204 14 37 38.06 +50 32 58.9 22.2 GUEH052I52
K18H00M C2018 04 20.30742 14 37 39.70 +50 33 57.9 21.1 GUEH052I52
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
734 Farpoint Observatory. Observer G. Hug. 0.69-m reflector + CCD.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. 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.
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 E. J. Christensen,
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. 1.0-m reflector + CCD.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, G. Kervina, I. Lyon.
Measurer K. Korlevic. 1.0-m f/2.9 reflector + CCD.
Orbital elements:
2018 HM Earth MOID = 0.0075 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 50.63545 (2000.0) P Q
n 0.94471650 Peri. 277.47376 -0.52635220 -0.84020129
a 1.0286518 Node 205.64046 +0.84920827 -0.51182169
e 0.0820687 Incl. 17.54443 +0.04241091 -0.17916571
P 1.04 H 27.3 G 0.15 U 6
Residuals in seconds of arc
180418 G96 (0.1- 4.0+) 180418 L01 0.7- 1.1+ 180419 I52 0.9+ 0.5+
180418 G96 0.2- 0.0 180418 L01 0.7- 0.7+ 180419 L01 0.5- 0.8-
180418 G96 0.7- 0.3- 180418 L01 0.4+ 0.7- 180419 L01 0.2- 0.4-
180418 H01 0.2- 0.6+ 180418 L01 0.5- 0.9- 180419 L01 0.0 0.8+
180418 H01 0.4- 0.7+ 180419 204 0.4- 0.8- 180420 734 0.3+ 0.4-
180418 H01 0.2- 0.6+ 180419 204 0.2- 0.3- 180420 734 0.6+ 0.7+
180418 H01 0.2- 0.6+ 180419 204 0.6- 0.1- 180420 734 0.3- 0.3-
180418 I52 1.0+ 0.6- 180419 204 0.0 0.3+ 180420 I52 (3.4+ 0.3+)
180418 I52 0.3+ 0.5- 180419 I52 0.3+ 0.4+ 180420 I52 (1.8+ 0.3-)
180418 I52 0.9+ 0.3- 180419 I52 0.8+ 0.5+
180418 I52 0.6+ 1.2- 180419 I52 0.0 0.2+
Ephemeris:
2018 HM a,e,i = 1.03, 0.08, 18 q = 0.9442
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 03 21 03 55 06.0 -66 29 19 0.1332 0.9772 78.1 94.3 26.2
...
2018 04 05 04 32 49.6 -69 51 39 0.05724 0.9960 84.1 92.6 24.4
...
2018 04 13 08 55 09.3 -73 24 31 0.01603 1.0068 104.9 74.3 20.9
...
2018 04 19 14 23 48.4 +45 11 49 0.01937 1.0150 123.2 55.9 20.8
2018 04 20 14 34 46.3 +49 33 11 0.02442 1.0164 118.3 60.5 21.4
2018 04 21 14 43 02.7 +52 20 43 0.02958 1.0177 115.1 63.4 21.9
...
2018 04 27 15 07 41.4 +58 37 59 0.06105 1.0258 106.9 69.8 23.7
...
2018 05 05 15 18 46.2 +60 28 47 0.1027 1.0366 103.2 71.3 24.9
...
2018 05 20 15 24 58.8 +60 18 28 0.1765 1.0560 99.7 70.8 26.1
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-H52
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