[Iaude] MPEC C117: 2018 DA [a=0.90,e=0.44,i=4.1,H=24.09]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Sun Feb 11 09:09:25 EST 2024
M.P.E.C. 2024-C117 Issued 2024 February 11, 14:07 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. 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 DA
Revision to MPEC 2018-D24
Additional Observations:
K18D00A C2024 02 08.36467909 22 11.736+23 25 17.39 21.20wXEC117F52
K18D00A C2024 02 08.37703609 22 06.154+23 25 36.65 21.60wXEC117F52
K18D00A C2024 02 08.38938809 22 00.546+23 25 55.72 21.68wXEC117F52
K18D00A C2024 02 09.37838409 14 38.781+23 50 36.59 21.01GVEC117F52
K18D00A C2024 02 11.48567008 57 21.827+24 41 31.30 21.23wXEC117F52
K18D00A C2024 02 11.49870308 57 14.754+24 41 48.45 21.18wXEC117F52
K18D00A C2024 02 11.51169308 57 07.736+24 42 05.58 21.41wXEC117F52
K18D00A C2024 02 11.52468308 57 00.694+24 42 22.71 21.15wXEC117F52
Observer details:
F52 Pan-STARRS 2, Haleakala. Observers J. Herman, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
240208 F52 2.15+ 0.73+ 240211 F52 2.21+ 0.64+ MPO441106 +0.40 days
Orbital elements:
2018 DA Earth MOID = 0.0046 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 81.47067 (2000.0) P Q
n 1.14646771 Peri. 310.88836 +0.25600974 +0.96616155
a 0.9041243 Node 333.89456 -0.86400502 +0.21409389
e 0.4431064 Incl. 4.10227 -0.43353702 +0.14385986
P 0.86 H 24.09 G 0.15 U 2
Residuals in seconds of arc
180217 G96 0.2+ 0.2- 180219 932 0.8- 0.2- 180223 G34 0.9+ 0.7+
180217 G96 0.0 0.0 180219 932 0.1- 1.0+ 180223 G34 0.2+ 0.3+
180217 G96 0.9+ 0.3- 180221 033 0.4- 0.1+ 180223 G34 0.5+ 0.4-
180217 G96 0.0 0.0 180221 033 0.1- 0.0 180224 J95 0.1- 0.1+
180217 G96 0.5+ 0.1- 180221 033 0.2- 0.0 180224 J95 0.0 0.2+
180217 G96 0.5+ 0.2- 180221 033 0.4- 0.1+ 180224 J95 0.0 0.2+
180217 G96 0.1+ 0.0 180221 033 0.1- 0.0 180225 I52 0.1- 0.1-
180217 G96 0.3+ 0.1- 180221 K61 1.0- 0.2- 180225 I52 0.2+ 0.0
180217 G96 0.4+ 0.1+ 180221 K61 1.2- 0.3- 180225 I52 0.2+ 0.1-
180217 G96 0.4+ 0.2+ 180221 K61 1.1- 0.2- 180227 I52 0.0 0.3+
180218 H21 0.1+ 0.0 180221 K61 1.0- 0.1- 180227 I52 0.6- 0.0
180218 H21 0.1- 0.1- 180221 K61 1.2- 0.2- 180227 I52 0.2+ 0.4-
180218 H21 0.2- 0.1+ 180222 I52 0.2+ 0.1+ 180227 I52 0.8- 0.5-
180218 G96 0.3+ 0.4+ 180222 I52 0.2+ 0.1+ 180227 J95 0.1+ 0.1+
180218 G96 0.4- 0.4- 180222 I52 0.2+ 0.1- 180227 J95 0.4- 0.3+
180218 G96 0.5+ 0.6- 180222 I52 0.3+ 0.2+ 180227 J95 0.3+ 0.4-
180218 T05 1.5- 1.6+ 180222 Z80 0.3+ 0.6- 240208 F52 0.4- 0.1+
180218 T05 0.0 0.7- 180222 Z80 0.6+ 0.1+ 240208 F52 0.2- 0.1+
180218 T05 0.4+ 0.1- 180222 Z80 0.1+ 0.2- 240208 F52 0.2- 0.1+
180218 T05 0.9- 0.3+ 180223 I52 1.2+ 0.3- 240209 F52 0.2+ 0.0
180218 K88 0.1+ 0.2- 180223 I52 0.2+ 0.1+ 240211 F52 0.1- 0.1+
180218 K88 0.0 0.0 180223 I52 0.2+ 0.2- 240211 F52 0.0 0.1-
180219 932 0.3+ 0.1+ 180223 I52 0.8+ 0.2+ 240211 F52 0.4+ 0.1-
180219 932 0.5- 0.6- 180223 G34 1.0+ 0.3- 240211 F52 0.4+ 0.0
Ephemeris:
2018 DA a,e,i = 0.90, 0.44, 4 q = 0.5035
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 01 12 10 45 26.3 +16 01 58 0.3572 1.2572 133.7 34.4 23.8
...
2024 01 27 10 21 50.7 +18 51 52 0.2417 1.2073 154.6 20.5 22.4
...
2024 02 04 09 49 29.1 +21 37 27 0.1907 1.1733 168.8 9.4 21.5
...
2024 02 10 09 09 46.1 +24 05 53 0.1601 1.1444 169.3 9.2 21.0
2024 02 11 09 01 33.5 +24 30 03 0.1558 1.1393 167.1 11.1 21.0
2024 02 12 08 52 52.2 +24 53 18 0.1518 1.1341 164.6 13.3 21.0
...
2024 02 18 07 51 13.8 +26 32 40 0.1334 1.1012 145.9 30.2 21.2
...
2024 02 26 06 15 05.7 +25 28 51 0.1258 1.0527 116.8 57.0 21.8
...
2024 03 12 03 53 37.4 +16 08 42 0.1528 0.9476 68.2 103.2 23.7
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-C117
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