[Iaude] MPEC K175: 2020 KR4 [a=1.84,e=0.91,i=15.0,H=20.9,PHA]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Tue May 26 07:34:57 EDT 2020
M.P.E.C. 2020-K175 Issued 2020 May 26, 11:33 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
2020 KR4
Observations:
K20K04R C2020 05 17.47350517 03 30.589-11 52 41.39 21.8 GVEK175F52
K20K04R C2020 05 17.48469417 03 28.690-11 52 35.99 21.9 GVEK175F52
K20K04R C2020 05 17.49583917 03 26.790-11 52 29.81 21.6 GVEK175F52
K20K04R C2020 05 20.46909716 54 29.145-11 26 02.91 21.4 GVEK175F52
K20K04R C2020 05 20.50873816 54 21.020-11 25 40.32 21.5 GVEK175F52
K20K04R* C2020 05 24.44419916 39 37.640-10 43 51.38 20.94wUEK175F52
K20K04R C2020 05 24.45607816 39 34.566-10 43 42.83 21.04wUEK175F52
K20K04R C2020 05 24.46794116 39 31.481-10 43 34.64 20.96wUEK175F52
K20K04R C2020 05 24.47978816 39 28.395-10 43 26.07 21.25wUEK175F52
K20K04R !C2020 05 25.31017 16 35 53.56 -10 33 26.7 20.8 RtEK175673
K20K04R !C2020 05 25.32029 16 35 50.79 -10 33 19.2 tEK175673
K20K04R KC2020 05 26.27433416 31 29.63 -10 21 11.1 20.9 VuEK175H21
K20K04R KC2020 05 26.27594516 31 29.14 -10 21 10.0 20.7 VuEK175H21
K20K04R KC2020 05 26.28166316 31 27.50 -10 21 05.9 20.3 VuEK175H21
K20K04R C2020 05 26.30265 16 31 21.85 -10 20 47.6 20.5 GVEK175I52
K20K04R C2020 05 26.30456 16 31 21.30 -10 20 46.4 20.1 GVEK175I52
Observer details:
673 Table Mountain Observatory, Wrightwood. Observer J. Pittichova. 1.0-m
f/15 reflector + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, T. de Boer, L. Denneau,
J. Fairlamb, H. Flewelling, C.-C. Lin, E. Magnier. 1.8-m Ritchey-Chretien
+ CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.76-m f/3.0
astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer D. C. Fuls. Measurers
E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D.
Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m reflector +
CCD.
Orbital elements:
2020 KR4 PHA, Earth MOID = 0.0148 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 334.45753 (2000.0) P Q
n 0.39343331 Peri. 314.75916 +0.79583616 -0.54915903
a 1.8445423 Node 80.18731 +0.60244765 +0.67578850
e 0.9056874 Incl. 15.00325 +0.06084110 +0.49166479
P 2.51 H 20.9 G 0.15 U 8
Residuals in seconds of arc
200517 F52 0.0 0.1- 200524 F52 0.0 0.1+ 200526 H21 0.2- 0.1+
200517 F52 0.0 0.2- 200524 F52 0.1- 0.1- 200526 H21 0.1- 0.3-
200517 F52 0.1- 0.4+ 200524 F52 0.3- 0.1+ 200526 I52 0.1- 0.1+
200520 F52 0.2+ 0.1+ 200525 673 0.5+ 0.0 200526 I52 0.1- 0.2-
200520 F52 0.1- 0.2- 200525 673 0.2+ 0.0
200524 F52 0.1- 0.0 200526 H21 0.2+ 0.3+
Ephemeris:
2020 KR4 a,e,i = 1.84, 0.91, 15 q = 0.1740
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 04 26 17 33 54.2 -13 55 04 1.0534 1.8794 131.7 23.6 23.5
...
2020 05 11 17 17 58.9 -12 39 26 0.7541 1.7023 149.3 17.7 22.4
...
2020 05 19 16 59 07.4 -11 39 28 0.6115 1.6005 160.2 12.4 21.6
...
2020 05 25 16 37 15.2 -10 37 04 0.5155 1.5203 167.5 8.3 20.9
2020 05 26 16 32 46.5 -10 24 32 0.5007 1.5066 168.2 7.9 20.8
2020 05 27 16 28 01.5 -10 11 16 0.4861 1.4928 168.5 7.8 20.8
...
2020 06 02 15 53 03.1 -08 32 25 0.4075 1.4078 162.2 12.7 20.4
...
2020 06 10 14 46 14.5 -05 11 00 0.3316 1.2879 140.3 30.2 20.4
...
2020 06 25 12 01 58.3 +03 32 30 0.3103 1.0389 85.4 77.3 21.1
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-K175
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