[Iaude] MPEC K123: 2017 MD4 [a=2.30,e=0.47,i=23.2,H=21.12]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Wed May 29 10:11:07 EDT 2024
M.P.E.C. 2024-K123 Issued 2024 May 29, 14:09 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
2017 MD4
Revision to MPEC 2017-M78
Additional Observations:
K17M04D KC2024 05 27.33330414 54 50.785-22 53 17.23 VEK123I52
K17M04D KC2024 05 27.33542214 54 50.972-22 53 04.92 19.76GVEK123I52
K17M04D KC2024 05 27.33597314 54 51.066-22 53 01.18 19.41GVEK123I52
K17M04D KC2024 05 27.33670814 54 51.134-22 52 57.11 19.52GVEK123I52
K17M04D KC2024 05 27.95651414 56 15.732-21 50 44.56 19.2 GVEK123J95
K17M04D KC2024 05 27.95884314 56 16.018-21 50 29.90 19.2 GVEK123J95
K17M04D KC2024 05 27.96117414 56 16.294-21 50 15.40 19.1 GVEK123J95
K17M04D KC2024 05 29.25238114 59 11.054-19 39 13.07 19.64GVEK123I52
K17M04D KC2024 05 29.25308114 59 11.148-19 39 08.35 19.47GVEK123I52
K17M04D KC2024 05 29.25377914 59 11.231-19 39 04.50 19.42GVEK123I52
K17M04D KC2024 05 29.25446714 59 11.317-19 39 00.04 19.35GVEK123I52
K17M04D KC2024 05 29.25515314 59 11.404-19 38 55.64 19.43GVEK123I52
Observer details:
I52 Steward Observatory, Mt. Lemmon Station. Observers R. A. Kowalski, V. F.
Carvajal. Measurers T. Beuden, V. F. Carvajal, D. Fay, J. B. Fazekas, D.
C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, J. K. Hogan, R. A.
Kowalski, S. M. Larson, G. J. Leonard, D. Rankin, R. L. Seaman, F. C.
Shelly, K. W. Wierzchos. 1.0-m prime focus + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
240527 I52 2.25+ 0.21+ 240529 I52 2.27+ 0.27+ E2024-AC4 +0.32 days
Orbital elements:
2017 MD4 Earth MOID = 0.2205 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5 Veres
M 339.40166 (2000.0) P Q
n 0.28194410 Peri. 10.80084 -0.25198329 +0.89896773
a 2.3033541 Node 245.41883 -0.91465668 -0.34216263
e 0.4662282 Incl. 23.20244 -0.31608161 +0.27346255
P 3.50 H 21.12 G 0.15 U 0
Residuals in seconds of arc
170624 G96 0.2- 0.8+ 170701 I52 0.5+ 0.4- 170815 H21 0.0 0.4+
170624 G96 0.8- 1.4+ 170721 H21 0.2- 0.1- 170815 H21 0.1+ 0.7+
170624 G96 0.9- 1.1+ 170721 H21 0.1+ 0.4- 170816 H21 0.0 0.3+
170624 G96 0.0 0.2+ 170721 H21 1.0+ 1.2- 170816 H21 0.1- 0.3+
170625 H21 0.6+ 0.2- 170722 H21 0.2- 0.0 170816 H21 0.0 0.0
170625 H21 0.1+ 0.1- 170722 H21 0.1- 0.3- 170816 H21 0.1- 0.3+
170625 H21 0.5+ 0.0 170722 H21 0.2+ 0.4- 170824 H21 0.4- 0.2-
170625 I52 1.3+ 0.6- 170722 J04 0.1- 0.1- 170824 H21 0.1+ 0.0
170625 I52 0.2+ 0.2- 170722 J04 0.0 0.0 170824 H21 0.1- 0.0
170625 I52 0.5+ 1.3+ 170722 J04 0.1+ 0.0 170824 H21 0.3- 0.3-
170625 I52 0.3+ 0.3+ 170725 H21 0.1+ 0.2+ 240527 I52 0.7+ 0.5+
170626 I52 0.3- 0.1+ 170725 H21 0.2- 0.4+ 240527 I52 0.3- 0.0
170626 I52 0.1- 0.0 170725 H21 0.3- 0.2+ 240527 I52 0.0 0.4+
170626 I52 0.3- 0.1- 170726 H21 0.0 0.1- 240527 I52 0.3- 0.0
170627 I52 0.1+ 0.2- 170726 H21 0.1- 0.3- 240527 J95 0.2+ 0.4-
170627 I52 0.8- 0.5- 170726 H21 0.0 0.2+ 240527 J95 0.2+ 0.1+
170627 I52 0.2- 1.0- 170730 H21 0.2+ 0.1- 240527 J95 0.0 0.5+
170628 G96 0.1- 0.4- 170730 H21 0.3+ 0.0 240529 I52 0.2- 0.4-
170628 G96 0.2+ 0.2+ 170730 H21 0.1- 0.3- 240529 I52 0.0 0.1+
170628 G96 0.1- 0.5+ 170731 H21 0.3+ 0.0 240529 I52 0.1- 0.4-
170628 G96 0.2- 0.0 170731 H21 0.2+ 0.1+ 240529 I52 0.0 0.1-
170701 I52 0.0 0.2- 170731 H21 0.6+ 0.0 240529 I52 0.0 0.1+
170701 I52 1.0- 0.8- 170815 H21 0.1+ 0.5+
Ephemeris:
2017 MD4 a,e,i = 2.30, 0.47, 23 q = 1.2295
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 04 29 14 02 15.0 -53 30 19 0.3686 1.3130 140.7 29.1 20.8
...
2024 05 14 14 26 44.1 -41 56 55 0.2792 1.2670 153.7 20.7 19.9
...
2024 05 22 14 43 06.8 -31 23 56 0.2489 1.2494 160.3 15.8 19.4
...
2024 05 28 14 56 21.6 -21 45 50 0.2374 1.2397 160.6 15.8 19.3
2024 05 29 14 58 36.8 -20 04 30 0.2365 1.2384 160.0 16.3 19.3
2024 05 30 15 00 52.6 -18 22 31 0.2360 1.2372 159.3 16.9 19.3
...
2024 06 05 15 14 32.8 -08 16 15 0.2393 1.2317 152.4 22.4 19.5
...
2024 06 13 15 32 46.3 +03 37 11 0.2596 1.2295 141.5 30.9 20.0
...
2024 06 28 16 05 49.9 +17 58 28 0.3315 1.2410 126.1 41.5 20.8
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-K123
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