MPEC 2018-E14 : 2018 DD4
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M.P.E.C. 2018-E14 Issued 2018 Mar. 4, 17:45 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 DD4
Observations:
K18D04D* C2018 02 27.15948 05 08 24.87 +06 22 37.2 19.0 GUEE014G96
K18D04D C2018 02 27.16479 05 08 25.51 +06 21 55.7 19.9 GUEE014G96
K18D04D C2018 02 27.17011 05 08 26.14 +06 21 14.9 19.8 GUEE014G96
K18D04D C2018 02 27.17543 05 08 26.80 +06 20 33.4 19.6 GUEE014G96
K18D04D KC2018 02 27.80173 05 09 47.06 +05 00 36.1 UEE014J95
K18D04D KC2018 02 27.81492 05 09 48.64 +04 58 56.1 UEE014J95
K18D04D KC2018 02 27.82807 05 09 50.09 +04 57 17.4 UEE014J95
K18D04D KC2018 02 27.84112 05 09 51.60 +04 55 37.9 19.5 GUEE014J95
K18D04D |C2018 03 01.02694 05 12 19.32 +02 30 11.9 19.9 GUEE014807
K18D04D |C2018 03 01.03119 05 12 19.80 +02 29 41.1 19.8 GUEE014807
K18D04D |C2018 03 01.03505 05 12 20.24 +02 29 13.0 19.9 GUEE014807
K18D04D |C2018 03 03.03268 05 16 21.95 -01 22 34.8 19.9 GUEE014807
K18D04D |C2018 03 03.03684 05 16 22.42 -01 23 02.7 19.6 GUEE014807
K18D04D |C2018 03 03.04113 05 16 22.89 -01 23 31.1 19.9 GUEE014807
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.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. 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.
1.5-m reflector + 10K CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2018 DD4 Earth MOID = 0.0858 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 5.22185 (2000.0) P Q
n 0.40674452 Peri. 199.03187 -0.88224612 -0.26984169
a 1.8040763 Node 318.24734 +0.47078505 -0.50879677
e 0.4143052 Incl. 35.40302 -0.00179464 -0.81750309
P 2.42 H 20.2 G 0.15 U 7
Residuals in seconds of arc
180227 G96 0.0 0.6+ 180227 J95 0.8+ 0.2- 180301 807 0.1+ 0.3+
180227 G96 0.2+ 0.2+ 180227 J95 0.7- 0.5+ 180303 807 0.1- 0.1-
180227 G96 0.3+ 0.6+ 180227 J95 1.1- 0.4- 180303 807 0.1+ 0.2-
180227 G96 0.8+ 0.2+ 180301 807 0.0 0.5+ 180303 807 0.2+ 0.1+
180227 J95 0.5+ 0.0 180301 807 0.1+ 0.5+
Ephemeris:
2018 DD4 a,e,i = 1.80, 0.41, 35 q = 1.0566
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 02 02 03 50 45.4 +65 14 57 0.2967 1.1244 110.5 55.2 19.8
...
2018 02 17 04 44 10.3 +31 10 01 0.2475 1.0807 105.5 61.8 19.5
...
2018 02 25 05 03 43.6 +11 11 15 0.2636 1.0661 99.6 66.3 19.8
...
2018 03 03 05 16 18.6 -01 19 05 0.2926 1.0594 95.4 68.7 20.1
2018 03 04 05 18 16.6 -03 08 32 0.2984 1.0587 94.7 69.0 20.1
2018 03 05 05 20 12.6 -04 53 35 0.3045 1.0581 94.1 69.2 20.2
...
2018 03 11 05 31 15.1 -13 58 14 0.3453 1.0567 90.9 70.0 20.5
...
2018 03 19 05 44 57.2 -22 58 08 0.4059 1.0609 87.9 69.7 20.8
...
2018 04 03 06 09 39.8 -33 58 03 0.5219 1.0870 85.0 66.4 21.3
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-E14
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