[Iaude] MPEC D56: 2018 DA1 [a=1.21,e=0.73,i=25.5,H=18.5,PHA]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Sun Feb 25 10:45:16 EST 2018
M.P.E.C. 2018-D56 Issued 2018 Feb. 25, 15:42 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2018 DA1
Observations:
K18D01A* C2018 02 18.49641 13 42 07.50 +17 08 11.7 20.7 GUED056G96
K18D01A C2018 02 18.50213 13 42 07.16 +17 08 21.0 21.5 GUED056G96
K18D01A C2018 02 18.50784 13 42 06.79 +17 08 30.7 21.4 GUED056G96
K18D01A C2018 02 18.51355 13 42 06.38 +17 08 40.3 21.8 GUED056G96
K18D01A C2018 02 18.53859 13 42 04.88 +17 09 20.4 22.1 GUED056G96
K18D01A C2018 02 18.54215 13 42 04.59 +17 09 28.0 21.8 GUED056G96
K18D01A C2018 02 18.54426 13 42 04.49 +17 09 31.2 21.3 GUED056G96
K18D01A C2018 02 22.10821 13 38 07.22 +18 50 08.6 20.4 VSED056033
K18D01A C2018 02 22.11307 13 38 06.86 +18 50 16.6 20.4 VSED056033
K18D01A C2018 02 22.11793 13 38 06.50 +18 50 25.0 20.4 VSED056033
K18D01A C2018 02 22.12279 13 38 06.12 +18 50 33.1 20.3 VSED056033
K18D01A C2018 02 22.12765 13 38 05.76 +18 50 41.8 20.6 VSED056033
K18D01A C2018 02 22.14237 13 38 04.65 +18 51 07.5 20.7 VSED056033
K18D01A C2018 02 22.14724 13 38 04.28 +18 51 15.2 20.6 VSED056033
K18D01A C2018 02 22.15210 13 38 03.86 +18 51 23.7 20.2 VSED056033
K18D01A C2018 02 22.15696 13 38 03.48 +18 51 31.8 20.7 VSED056033
K18D01A C2018 02 22.16182 13 38 03.14 +18 51 40.2 21.7 VSED056033
K18D01A C2018 02 22.18168 13 38 01.67 +18 52 15.4 20.8 VSED056033
K18D01A C2018 02 22.18681 13 38 01.30 +18 52 24.0 20.6 VSED056033
K18D01A C2018 02 22.19193 13 38 00.91 +18 52 32.7 20.7 VSED056033
K18D01A C2018 02 22.19706 13 38 00.50 +18 52 41.4 20.7 VSED056033
K18D01A C2018 02 23.35608 13 36 33.72 +19 25 48.2 21.6 GUED056I52
K18D01A C2018 02 23.35954 13 36 33.44 +19 25 54.4 21.3 GUED056I52
K18D01A C2018 02 23.36349 13 36 33.17 +19 26 01.3 21.6 GUED056I52
K18D01A C2018 02 25.07992 13 34 15.08 +20 15 11.0 20.7 VSED056033
K18D01A C2018 02 25.08366 13 34 14.76 +20 15 17.4 20.5 VSED056033
K18D01A C2018 02 25.08742 13 34 14.44 +20 15 23.8 20.6 VSED056033
K18D01A C2018 02 25.09117 13 34 14.12 +20 15 30.3 20.5 VSED056033
K18D01A C2018 02 25.35600 13 33 52.17 +20 23 07.7 20.6 GUED056I52
K18D01A C2018 02 25.35766 13 33 52.08 +20 23 09.4 21.2 GUED056I52
K18D01A C2018 02 25.36100 13 33 51.66 +20 23 16.7 21.9 GUED056I52
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers U. Laux,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
G96 Mt. Lemmon Survey. 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.
1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers D. C. Fuls,
R. A. Kowalski. 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.
Orbital elements:
2018 DA1 PHA, Earth MOID = 0.0033 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 129.95583 (2000.0) P Q
n 0.74099710 Peri. 234.13968 +0.91945964 -0.27913580
a 1.2094606 Node 139.89406 +0.30583405 +0.95034597
e 0.7259888 Incl. 25.45763 -0.24710220 +0.13757084
P 1.33 H 18.5 G 0.15 U 9
Residuals in seconds of arc
180218 G96 0.1- 0.4+ 180222 033 0.3+ 0.2- 180223 I52 0.4- 0.5-
180218 G96 0.2+ 0.1+ 180222 033 0.3+ 0.3+ 180223 I52 0.3+ 0.4-
180218 G96 0.1+ 0.3+ 180222 033 0.2+ 0.3- 180225 033 0.0 0.5+
180218 G96 0.6- 0.3+ 180222 033 0.5- 0.1- 180225 033 0.0 0.5+
180218 G96 0.6+ 1.4- 180222 033 0.7- 0.3- 180225 033 0.0 0.4+
180218 G96 0.4- 0.2+ 180222 033 0.4- 0.2- 180225 033 0.0 0.5+
180218 G96 0.1+ 0.1- 180222 033 0.0 1.1+ 180225 I52 0.1+ 0.1-
180222 033 0.2+ 0.2- 180222 033 0.2+ 1.0+ 180225 I52 0.9+ 1.3-
180222 033 0.3+ 0.5- 180222 033 0.2+ 0.9+ 180225 I52 0.9- 0.2+
180222 033 0.4+ 0.4- 180222 033 0.2- 0.9+
180222 033 0.2+ 0.6- 180223 I52 0.3- 0.8-
Ephemeris:
2018 DA1 a,e,i = 1.21, 0.73, 25 q = 0.3314
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 01 26 13 50 43.2 +07 43 04 1.1809 1.6908 102.3 34.7 21.4
...
2018 02 10 13 48 34.4 +13 20 30 1.0921 1.7852 118.3 29.1 21.2
...
2018 02 18 13 42 37.1 +16 54 22 1.0549 1.8297 127.1 25.5 21.1
...
2018 02 24 13 35 43.0 +19 44 16 1.0348 1.8605 133.6 22.7 21.0
2018 02 25 13 34 21.7 +20 12 56 1.0322 1.8654 134.6 22.2 21.0
2018 02 26 13 32 57.0 +20 41 37 1.0298 1.8703 135.6 21.7 21.0
...
2018 03 04 13 23 17.9 +23 32 16 1.0211 1.8983 141.2 19.1 20.9
...
2018 03 12 13 07 36.0 +27 05 57 1.0249 1.9323 146.4 16.5 20.9
...
2018 03 27 12 33 07.2 +32 09 00 1.0832 1.9867 145.4 16.6 21.1
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-D56
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