[Iaude] MPEC L01: 2021 KR2 [a=2.26,e=0.69,i=4.1,H=23.5]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Mon May 31 20:04:23 EDT 2021
M.P.E.C. 2021-L01 Issued 2021 June 1, 00:02 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
2021 KR2
Observations:
K21K02R C2021 05 10.40109115 30 54.329-05 17 34.37 22.97GVEL001F51
K21K02R C2021 05 10.41310315 30 53.036-05 17 19.83 22.79GVEL001F51
K21K02R C2021 05 10.42508815 30 51.735-05 17 05.79 22.84GVEL001F51
K21K02R C2021 05 10.43707615 30 50.426-05 16 51.34 22.90GVEL001F51
K21K02R C2021 05 10.46245415 30 47.704-05 16 21.53 23.40GVEL001F51
K21K02R* C2021 05 30.26836014 26 53.772+05 33 32.95 20.96wUEL001F51
K21K02R C2021 05 30.28019714 26 49.529+05 34 11.12 21.25GVEL001F51
K21K02R C2021 05 30.29200914 26 45.257+05 34 48.54 21.39wUEL001F51
K21K02R C2021 05 30.30388414 26 40.958+05 35 26.67 20.97GVEL001F51
K21K02R KC2021 05 31.17192014 21 32.08 +06 22 51.9 21.07GVEL001I52
K21K02R KC2021 05 31.17527614 21 30.77 +06 23 03.7 21.47GVEL001I52
K21K02R KC2021 05 31.17863114 21 29.51 +06 23 14.0 21.17GVEL001I52
K21K02R pC2021 05 31.92595014 16 45.73 +07 06 05.7 21.3 GVEL001L01
K21K02R pC2021 05 31.92963614 16 44.26 +07 06 18.3 21.2 GVEL001L01
K21K02R pC2021 05 31.93308114 16 42.87 +07 06 31.1 21.3 GVEL001L01
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, I. Smith, 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.
I52 Steward Observatory, Mt. Lemmon Station. Observer G. J. Leonard.
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.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
Orbital elements:
2021 KR2 Earth MOID = 0.0428 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 295.17796 (2000.0) P Q
n 0.28932328 Peri. 219.37967 +0.88050326 +0.46938414
a 2.2640211 Node 112.50655 -0.41480853 +0.83058978
e 0.6889168 Incl. 4.11395 -0.22945130 +0.29966507
P 3.41 H 23.52 G 0.15 U 8
Residuals in seconds of arc
210510 F51 0.0 0.0 210530 F51 0.1- 0.2+ 210531 I52 0.2- 0.5+
210510 F51 0.0 0.2+ 210530 F51 0.1+ 0.3+ 210531 I52 0.2+ 0.5-
210510 F51 0.0 0.0 210530 F51 0.0 0.1- 210531 L01 0.1- 0.0
210510 F51 0.2- 0.2+ 210530 F51 0.1- 0.1- 210531 L01 0.0 0.3-
210510 F51 0.3+ 0.3- 210531 I52 0.1+ 0.0 210531 L01 0.0 0.3+
Ephemeris:
2021 KR2 a,e,i = 2.26, 0.69, 4 q = 0.7043
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 05 02 15 41 31.0 -07 38 55 0.4795 1.4718 162.3 12.0 23.5
...
2021 05 17 15 17 28.6 -02 46 05 0.3118 1.3126 163.0 13.0 22.3
...
2021 05 25 14 52 10.3 +01 32 10 0.2375 1.2261 151.1 23.6 22.0
...
2021 05 31 14 22 34.4 +06 13 33 0.1891 1.1609 137.8 35.9 21.7
2021 06 01 14 16 18.1 +07 10 55 0.1818 1.1500 135.1 38.5 21.7
2021 06 02 14 09 32.5 +08 11 52 0.1746 1.1392 132.4 41.1 21.6
...
2021 06 08 13 15 26.2 +15 42 11 0.1376 1.0744 112.1 61.1 21.6
...
2021 06 16 11 08 44.1 +27 47 23 0.1122 0.9897 73.4 100.4 22.4
...
2021 07 01 06 57 49.0 +27 41 00 0.1738 0.8441 6.1 172.6
(Last issue was M.P.E.C. 2021-K106)
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-L01
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