MPEC 2018-K06 : 2018 HT3
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M.P.E.C. 2018-K06 Issued 2018 May 17, 10:28 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 HT3
Observations:
K18H03T* S2018 04 22.96098 20 46 25.56 -39 48 59.5 19 RLEK006C51
K18H03T s2018 04 22.96098 1 + 4107.3144 - 3530.9296 - 4216.4971 EK006C51
K18H03T S2018 04 23.22278 20 46 11.89 -39 48 15.4 LEK006C51
K18H03T s2018 04 23.22278 1 + 4114.1013 - 3507.7829 - 4229.1576 EK006C51
K18H03T S2018 04 23.28823 20 46 08.43 -39 48 03.5 LEK006C51
K18H03T s2018 04 23.28823 1 + 4115.7704 - 3501.9925 - 4232.3237 EK006C51
K18H03T S2018 04 23.35356 20 46 05.09 -39 47 52.7 LEK006C51
K18H03T s2018 04 23.35356 1 + 4164.9505 - 3518.3787 - 4170.1244 EK006C51
K18H03T S2018 04 23.41901 20 46 01.39 -39 47 42.4 LEK006C51
K18H03T s2018 04 23.41901 1 + 4166.6356 - 3512.5498 - 4173.3505 EK006C51
K18H03T S2018 04 23.48446 20 45 58.01 -39 47 31.4 LEK006C51
K18H03T s2018 04 23.48446 1 + 4168.3261 - 3506.7263 - 4176.5494 EK006C51
K18H03T S2018 04 23.54991 20 45 54.51 -39 47 20.9 LEK006C51
K18H03T s2018 04 23.54991 1 + 4168.1624 - 3499.9278 - 4181.9710 EK006C51
K18H03T S2018 04 23.68082 20 45 47.49 -39 47 00.6 LEK006C51
K18H03T s2018 04 23.68082 1 + 4171.4270 - 3488.2530 - 4188.4559 EK006C51
K18H03T S2018 04 23.81172 20 45 40.26 -39 46 36.5 LEK006C51
K18H03T s2018 04 23.81172 1 + 4174.6469 - 3476.5733 - 4194.9464 EK006C51
K18H03T |C2018 05 12.25385 20 19 02.62 -39 13 27.4 20.6 VuEK006807
K18H03T |C2018 05 12.25580 20 19 02.36 -39 13 27.2 20.5 VuEK006807
K18H03T |C2018 05 12.25933 20 19 01.91 -39 13 26.8 20.9 VuEK006807
K18H03T KC2018 05 15.61233220 11 55.541-39 08 00.43 20.84GVEK006T12
K18H03T |C2018 05 16.29310 20 10 24.30 -39 06 37.6 20.6 GUEK006807
K18H03T |C2018 05 16.29741 20 10 23.71 -39 06 37.3 20.6 GUEK006807
K18H03T |C2018 05 16.30233 20 10 23.04 -39 06 36.7 20.5 GUEK006807
Observer details:
807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.61-m f/6.5 astrograph
+ CCD, 1.00-m f/10.0 astrograph + CCD.
C51 WISE. Measurers J. Masiero, A. K. Mainzer, J. M. Bauer, T. Grav,
J. R. Masiero, J. W. Dailey, R. M. Cutri, E. L. Wright, C. Nugent,
S. Sonnett, E. Kramer.
T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m). Observer D. Hung. Measurer
D. J. Tholen. 2.24-m f/10.1 reflector + CCD.
Orbital elements:
2018 HT3 Earth MOID = 0.3349 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 8.21136 (2000.0) P Q
n 0.19090897 Peri. 215.74950 -0.68985617 -0.54284323
a 2.9871142 Node 284.04718 +0.72394625 -0.51777504
e 0.8223435 Incl. 29.58687 -0.00054073 -0.66123388
P 5.16 H 18.3 G 0.15 U 6
Residuals in seconds of arc
180422 C51 0.0 0.5- 180423 C51 0.2+ 0.2- 180515 T12 0.0 0.0
180423 C51 0.0 0.5- 180423 C51 0.5+ 1.3- 180516 807 0.2- 0.2-
180423 C51 0.1- 0.4+ 180423 C51 0.9- 1.5+ 180516 807 0.1- 0.3-
180423 C51 1.3+ 0.5+ 180512 807 0.2+ 0.3- 180516 807 0.0 0.2-
180423 C51 1.2- 0.1- 180512 807 0.0 0.2-
180423 C51 0.1+ 0.1+ 180512 807 0.2- 0.0
Ephemeris:
2018 HT3 a,e,i = 2.99, 0.82, 30 q = 0.5307
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 04 17 20 50 40.5 -40 08 49 1.0168 1.3433 83.3 47.9 20.8
...
2018 05 02 20 36 22.2 -39 28 55 1.0121 1.5409 99.4 40.2 20.9
...
2018 05 10 20 23 24.7 -39 16 48 1.0056 1.6420 109.1 35.5 20.8
...
2018 05 16 20 11 03.7 -39 07 10 1.0024 1.7160 116.9 31.7 20.8
2018 05 17 20 08 47.3 -39 05 14 1.0021 1.7282 118.3 31.0 20.8
2018 05 18 20 06 27.3 -39 03 10 1.0020 1.7403 119.6 30.3 20.8
...
2018 05 24 19 51 18.7 -38 46 48 1.0043 1.8121 127.9 26.2 20.8
...
2018 06 01 19 28 41.4 -38 10 12 1.0177 1.9056 139.4 20.3 20.7
...
2018 06 16 18 44 03.5 -36 02 57 1.0882 2.0740 160.6 9.4 20.7
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-K06
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