MPEC 2018-D63 : 2018 DH1
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M.P.E.C. 2018-D63 Issued 2018 Feb. 25, 16:26 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 DH1
Observations:
K18D01H* C2018 02 22.73309 11 26 18.31 +05 23 48.6 19.6 RqED063D29
K18D01H C2018 02 22.74900 11 26 18.71 +05 23 54.2 20.0 RqED063D29
K18D01H C2018 02 22.76491 11 26 19.13 +05 24 00.2 20.2 RqED063D29
K18D01H |C2018 02 23.13909 11 26 33.63 +05 26 45.4 19.6 GUED063807
K18D01H |C2018 02 23.14129 11 26 33.66 +05 26 46.3 19.5 GUED063807
K18D01H |C2018 02 23.14348 11 26 33.73 +05 26 47.5 19.5 GUED063807
K18D01H HC2018 02 23.20840 11 26 36.35 +05 26 40.3 19.7 RoED063691
K18D01H HC2018 02 23.21221 11 26 36.48 +05 26 41.8 19.6 RoED063691
K18D01H HC2018 02 23.21603 11 26 36.57 +05 26 43.0 19.5 RoED063691
K18D01H C2018 02 23.25393 11 26 37.58 +05 26 57.0 19.0 GUED063I52
K18D01H C2018 02 23.26114 11 26 37.77 +05 27 00.0 18.9 GUED063I52
K18D01H C2018 02 23.26717 11 26 37.92 +05 27 02.4 19.0 GUED063I52
K18D01H C2018 02 23.27482 11 26 38.08 +05 27 04.7 19.2 GUED063I52
K18D01H C2018 02 23.94466 11 27 01.31 +05 31 14.9 18.5 VSED063033
K18D01H C2018 02 23.94656 11 27 01.36 +05 31 15.6 18.2 VSED063033
K18D01H C2018 02 23.94846 11 27 01.42 +05 31 16.5 18.3 VSED063033
K18D01H C2018 02 24.06235 11 27 04.51 +05 32 02.1 19.6 VSED063033
K18D01H C2018 02 24.06425 11 27 04.56 +05 32 03.1 19.8 VSED063033
K18D01H |C2018 02 24.17066 11 27 09.56 +05 33 25.0 19.4 GUED063807
K18D01H |C2018 02 24.17403 11 27 09.64 +05 33 26.6 19.4 GUED063807
K18D01H |C2018 02 24.17725 11 27 09.73 +05 33 28.0 19.3 GUED063807
K18D01H C2018 02 24.89059 11 27 35.39 +05 37 46.3 19.5 VSED063033
K18D01H C2018 02 24.89191 11 27 35.42 +05 37 46.8 19.2 VSED063033
K18D01H C2018 02 24.89324 11 27 35.46 +05 37 47.4 19.0 VSED063033
K18D01H KC2018 02 25.02057 11 27 39.01 +05 38 46.1 19.2 VSED063L01
K18D01H KC2018 02 25.02784 11 27 39.20 +05 38 48.7 19.4 VSED063L01
K18D01H KC2018 02 25.03113 11 27 39.29 +05 38 50.0 19.3 VSED063L01
K18D01H KC2018 02 25.03443 11 27 39.39 +05 38 51.3 19.3 VSED063L01
K18D01H KC2018 02 25.07008 11 27 40.21 +05 39 06.4 19.3 RoED063K88
K18D01H KC2018 02 25.07822 11 27 40.40 +05 39 10.2 19.6 RoED063K88
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers U. Laux,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
691 Steward Observatory, Kitt Peak. Observer R. S. McMillan. 0.9-m f/3
reflector + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.61-m f/6.5 astrograph
+ CCD.
D29 Purple Mountain Observatory, XuYi Station. Observers H. B. Zhao, B. Li,
G. Zhaori, R. Q. Hong, L. F. Hu. Measurers H. B. Zhao, B. Li, H. Lu,
G. Zhaori. 1.04-m f/1.8 Schmidt + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer D. C. Fuls. 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. 1.0-m reflector + CCD.
K88 GINOP-KHK, Piszkesteto. Observers R. Konyves-Toth, J. Vinko. Measurer
K. Sarneczky. 0.60-m Schmidt + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
Orbital elements:
2018 DH1 PHA, Earth MOID = 0.0148 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 345.54160 (2000.0) P Q
n 0.33023406 Peri. 96.70362 -0.44959130 +0.89303110
a 2.0729467 Node 146.55792 -0.83258091 -0.41124009
e 0.5968346 Incl. 1.98157 -0.32353776 -0.18269384
P 2.98 H 21.0 G 0.15 U 8
Residuals in seconds of arc
180222 D29 0.6- 0.0 180223 I52 0.1+ 0.0 180224 807 0.3+ 0.3-
180222 D29 0.3- 0.0 180223 I52 0.0 0.1+ 180224 033 0.2+ 0.0
180222 D29 0.2+ 0.4+ 180223 I52 0.5- 0.5- 180224 033 0.0 0.0
180223 807 0.0 0.3- 180223 033 0.0 0.1- 180224 033 0.0 0.0
180223 807 0.4- 0.2- 180223 033 0.0 0.2- 180225 L01 0.1+ 0.4+
180223 807 0.2- 0.2+ 180223 033 0.1+ 0.0 180225 L01 0.0 0.1-
180223 691 0.1+ 0.2+ 180224 033 0.2- 0.1+ 180225 L01 0.0 0.3-
180223 691 0.5+ 0.3+ 180224 033 0.2- 0.3+ 180225 L01 0.2+ 0.4-
180223 691 0.2+ 0.0 180224 807 0.2+ 0.6- 180225 K88 0.2- 0.4+
180223 I52 0.1+ 0.3- 180224 807 0.1+ 0.4- 180225 K88 0.7- 0.7+
Ephemeris:
2018 DH1 a,e,i = 2.07, 0.60, 2 q = 0.8357
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 01 26 11 08 09.5 +05 04 57 0.6322 1.5223 139.6 24.8 22.1
...
2018 02 10 11 18 53.5 +04 45 42 0.4390 1.3904 152.3 19.3 20.9
...
2018 02 18 11 23 37.3 +05 01 50 0.3477 1.3194 159.3 15.3 20.2
...
2018 02 24 11 27 02.7 +05 31 59 0.2844 1.2661 164.7 11.9 19.5
2018 02 25 11 27 38.3 +05 38 57 0.2743 1.2573 165.6 11.3 19.4
2018 02 26 11 28 14.9 +05 46 34 0.2642 1.2485 166.5 10.7 19.3
...
2018 03 04 11 32 27.3 +06 49 27 0.2063 1.1958 171.4 7.1 18.5
...
2018 03 12 11 41 46.5 +09 33 07 0.1343 1.1270 173.0 6.2 17.4
...
2018 03 27 15 58 36.8 +47 56 35 0.02442 1.0068 111.2 67.5 15.3
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-D63
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