MPEC 2018-J42 : 2018 JH1
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M.P.E.C. 2018-J42 Issued 2018 May 10, 19:40 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 JH1
Observations:
K18J01H* C2018 05 08.22274 12 24 13.32 +19 54 38.4 21.5 GUEJ042G96
K18J01H C2018 05 08.22792 12 24 14.56 +19 53 48.0 21.1 GUEJ042G96
K18J01H C2018 05 08.23310 12 24 15.81 +19 52 56.3 20.5 GUEJ042G96
K18J01H C2018 05 08.23829 12 24 17.03 +19 52 04.5 21.8 GUEJ042G96
K18J01H C2018 05 08.31406 12 24 35.45 +19 39 39.3 20.3 GUEJ042I52
K18J01H C2018 05 08.31737 12 24 36.23 +19 39 06.7 20.7 GUEJ042I52
K18J01H C2018 05 08.32400 12 24 37.90 +19 38 01.9 20.5 GUEJ042I52
K18J01H C2018 05 08.38254 12 24 52.84 +19 28 32.2 20.8 GUEJ042V06
K18J01H C2018 05 08.38519 12 24 53.53 +19 28 06.7 21.0 GUEJ042V06
K18J01H C2018 05 08.38784 12 24 54.22 +19 27 40.8 21.1 GUEJ042V06
K18J01H C2018 05 08.39048 12 24 54.95 +19 27 15.1 20.0 GUEJ042V06
K18J01H C2018 05 08.87376 12 27 10.60 +18 15 27.7 20.7 VSEJ042033
K18J01H C2018 05 08.87578 12 27 11.02 +18 15 10.3 20.9 VSEJ042033
K18J01H C2018 05 08.87780 12 27 11.45 +18 14 53.7 20.6 VSEJ042033
K18J01H C2018 05 08.87982 12 27 11.85 +18 14 37.1 20.6 VSEJ042033
K18J01H C2018 05 08.88184 12 27 12.29 +18 14 19.8 20.6 VSEJ042033
K18J01H C2018 05 09.15338 12 28 20.40 +17 38 25.6 21.4 GUEJ042I52
K18J01H C2018 05 09.15586 12 28 20.83 +17 38 06.0 21.2 GUEJ042I52
K18J01H C2018 05 09.15834 12 28 21.25 +17 37 47.2 20.7 GUEJ042I52
K18J01H !C2018 05 09.28550 12 28 44.89 +17 21 21.6 21.2 RtEJ042673
K18J01H !C2018 05 09.29649 12 28 46.89 +17 19 57.1 tEJ042673
K18J01H C2018 05 10.19863 12 31 51.99 +15 36 57.3 21.6 GUEJ042I52
K18J01H C2018 05 10.20196 12 31 52.43 +15 36 36.8 21.3 GUEJ042I52
K18J01H C2018 05 10.20528 12 31 52.91 +15 36 15.9 21.6 GUEJ042I52
K18J01H C2018 05 10.20859 12 31 53.36 +15 35 55.5 21.6 GUEJ042I52
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers C. Hoegner,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Pittichova. 1.0-m
f/15 reflector + CCD.
G96 Mt. Lemmon Survey. Observer R. A. Kowalski. 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 A. R. Gibbs,
G. J. Leonard, H. Groeller. 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, H. Groeller.
1.0-m reflector + CCD.
V06 Catalina Sky Survey-Kuiper. Observer 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. 1.55-m reflector + CCD.
Orbital elements:
2018 JH1 Earth MOID = 0.0154 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 35.61000 (2000.0) P Q
n 1.34005472 Peri. 232.54562 +0.18871153 -0.98165164
a 0.8148063 Node 206.61548 +0.91917686 +0.18636812
e 0.5217943 Incl. 3.50001 +0.34569042 +0.04033587
P 0.74 H 25.3 G 0.15 U 8
Residuals in seconds of arc
180508 G96 0.1- 0.3- 180508 V06 0.1- 0.1+ 180509 I52 0.2- 0.2+
180508 G96 0.1- 0.6+ 180508 V06 0.4+ 0.0 180509 673 0.4- 0.4+
180508 G96 0.0 0.1+ 180508 033 0.0 0.0 180509 673 0.1- 0.2+
180508 G96 0.3- 0.4- 180508 033 0.0 0.5- 180510 I52 0.0 0.1-
180508 I52 0.3+ 0.0 180508 033 0.1+ 0.2- 180510 I52 0.2- 0.1+
180508 I52 0.3- 0.2- 180508 033 0.2- 0.2+ 180510 I52 0.1+ 0.2-
180508 I52 0.0 0.1- 180508 033 0.0 0.2- 180510 I52 0.1+ 0.0
180508 V06 0.1+ 0.2+ 180509 I52 0.5+ 0.1+
180508 V06 0.0 0.4+ 180509 I52 0.2+ 0.3-
Ephemeris:
2018 JH1 a,e,i = 0.81, 0.52, 4 q = 0.3896
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 04 10 01 08 05.9 +05 26 52 0.1900 0.8120 2.6 176.8
...
2018 04 25 01 25 58.7 +17 48 59 0.05931 0.9478 11.4 167.9 34.1
...
2018 05 03 10 32 52.5 +56 25 28 0.02288 1.0089 91.7 87.0 20.2
...
2018 05 09 12 27 41.8 +17 59 30 0.06325 1.0497 128.1 49.1 21.2
2018 05 10 12 31 15.0 +15 58 38 0.07111 1.0560 129.2 47.8 21.5
2018 05 11 12 34 06.3 +14 20 59 0.07906 1.0623 129.9 46.9 21.7
...
2018 05 17 12 44 29.0 +08 41 02 0.1279 1.0975 129.8 45.1 22.8
...
2018 05 25 12 52 47.5 +05 08 38 0.1948 1.1381 126.0 46.1 23.8
...
2018 06 09 13 06 43.5 +01 23 40 0.3231 1.1956 116.7 49.3 25.1
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-J42
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