MPEC 2021-K106 : 2021 KQ2
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M.P.E.C. 2021-K106 Issued 2021 May 31, 21:26 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2021 KQ2
Observations:
K21K02Q C2021 05 31.37255816 48 36.432-04 17 27.66 16.15GVEK106F51
K21K02Q C2021 05 31.38176016 46 23.661-03 37 18.69 15.93GVEK106F51
K21K02Q C2021 05 31.39299216 43 41.483-02 48 21.93 16.18GVEK106F51
K21K02Q C2021 05 31.40426216 40 59.034-01 59 25.48 16.29GVEK106F51
K21K02Q* C2021 05 31.58533616 08 12.29 +09 45 36.2 16.4 GVEK106381
K21K02Q C2021 05 31.58542816 08 11.08 +09 45 58.4 16.4 GVEK106381
K21K02Q C2021 05 31.63113415 58 45.48 +12 30 44.4 16.7 GVEK106381
K21K02Q C2021 05 31.63122715 58 44.32 +12 31 05.1 17.0 GVEK106381
K21K02Q C2021 05 31.64049815 56 52.49 +13 03 07.4 16.7 GVEK106381
K21K02Q C2021 05 31.64057915 56 51.50 +13 03 23.6 17.8 GVEK106381
K21K02Q C2021 05 31.68472215 48 16.66 +15 29 18.1 16.8 GVEK106381
K21K02Q C2021 05 31.68476915 48 16.13 +15 29 26.0 17.0 GVEK106381
K21K02Q C2021 05 31.70581015 44 22.84 +16 35 01.2 17.1 GVEK106381
K21K02Q C2021 05 31.70585615 44 22.35 +16 35 10.9 17.0 GVEK106381
K21K02Q KC2021 05 31.74794 15 41 28.88 +18 28 36.9 16.9 GVEK106N82
K21K02Q KC2021 05 31.74954 15 41 11.56 +18 33 24.1 16.8 GVEK106N82
K21K02Q KC2021 05 31.75181 15 40 46.97 +18 40 09.7 17.2 GVEK106N82
K21K02Q KC2021 05 31.85022 15 28 51.44 +23 18 14.1 17.1 RoEK106K88
K21K02Q KC2021 05 31.85090 15 28 44.44 +23 20 02.6 17.0 RoEK106K88
K21K02Q KC2021 05 31.85159 15 28 37.40 +23 21 51.7 16.8 RoEK106K88
K21K02Q KC2021 05 31.85228 15 28 30.27 +23 23 42.5 17.3 RoEK106K88
K21K02Q KC2021 05 31.85695215 28 16.43 +23 38 09.5 17.9 GVEK106595
K21K02Q KC2021 05 31.85830815 28 02.50 +23 41 44.6 18.1 GVEK106595
K21K02Q KC2021 05 31.86054815 27 39.50 +23 48 37.0 17.8 GVEK106L01
K21K02Q KC2021 05 31.86087215 27 36.17 +23 49 27.9 17.8 GVEK106L01
K21K02Q KC2021 05 31.86102415 27 34.64 +23 48 51.4 18.2 GVEK106595
K21K02Q KC2021 05 31.86152015 27 29.55 +23 51 09.6 17.9 GVEK106L01
K21K02Q KC2021 05 31.86184315 27 26.20 +23 52 00.6 17.9 GVEK106L01
K21K02Q KC2021 05 31.86308915 27 13.41 +23 55 15.6 17.8 GVEK106L01
K21K02Q KC2021 05 31.86362715 26 58.65 +23 48 12.2 16.7 GVEK106G34
K21K02Q KC2021 05 31.86778 15 26 41.85 +24 00 11.6 17.1 GVEK106A17
K21K02Q KC2021 05 31.86788815 26 15.76 +23 59 14.8 16.8 GVEK106G34
K21K02Q KC2021 05 31.86863115 26 08.32 +24 01 09.9 17.1 GVEK106G34
K21K02Q KC2021 05 31.86937415 26 00.89 +24 03 03.8 16.9 GVEK106G34
K21K02Q KC2021 05 31.87086015 25 45.92 +24 06 53.3 16.9 GVEK106G34
K21K02Q KC2021 05 31.87160415 25 38.41 +24 08 48.4 16.9 GVEK106G34
K21K02Q KC2021 05 31.87286 15 25 50.77 +24 13 19.4 17.1 GVEK106A17
K21K02Q KC2021 05 31.87531 15 25 26.17 +24 19 36.8 17.4 GVEK106A17
K21K02Q KC2021 05 31.87817 15 24 57.39 +24 26 54.9 17.9 GVEK106A17
Observer details:
381 Tokyo-Kiso. Observers J. Beniyama, S. Sako. 1.05-m f/3.1 Schmidt + CCD.
595 Farra d'Isonzo. Observers L. Bittesini, E. Pettarin. Measurer E.
Pettarin. 0.61-m f/4.5 reflector + CCD.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6.0 Schmidt-Cassegrain + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, I. Smith. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
G34 Oberfrauendorf. Observer T. Felber. 0.35-m f/6.3 Schmidt-Cassegrain +
CCD.
K88 GINOP-KHK, Piszkesteto. Observers K. Sarneczky, B. Seli, C. Kalup.
Measurer K. Sarneczky. 0.60-m Schmidt + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
N82 Multa Observatory. Observer L. Elenin. 0.4-m f/1.25 reflector + CCD.
Orbital elements:
2021 KQ2 Earth MOID = 0.0004 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 337.15345 (2000.0) P Q
n 1.10929410 Peri. 195.07083 +0.07282886 -0.99546332
a 0.9242120 Node 250.78237 +0.92162113 +0.09063632
e 0.1027000 Incl. 3.71768 +0.38119607 -0.02894546
P 0.89 H 29.97 G 0.15 U 6
Residuals in seconds of arc
210531 F51 0.0 0.0 210531 381 1.4- 2.6+ 210531 L01 0.0 0.1-
210531 F51 (1.2+ 1.4-) 210531 N82 0.2+ 0.1- 210531 L01 0.4- 0.3+
210531 F51 (0.4+ 0.5-) 210531 N82 0.3+ 0.3+ 210531 L01 0.2- 0.1+
210531 F51 0.0 0.0 210531 N82 0.1+ 0.1- 210531 G34 0.4- 0.0
210531 381 0.3- 0.2+ 210531 K88 (1.9+ 2.4-) 210531 A17 0.1- 0.2-
210531 381 1.6- 2.5+ 210531 K88 0.4+ 0.5- 210531 G34 0.8- 0.3+
210531 381 0.3- 0.4+ 210531 K88 (1.0+ 1.0-) 210531 G34 0.4- 0.5+
210531 381 0.5- 1.3+ 210531 K88 0.4+ 0.4+ 210531 G34 0.2+ 0.4-
210531 381 0.5+ 0.2+ 210531 595 0.1- 0.3- 210531 G34 0.4- 0.0
210531 381 0.3+ 0.2- 210531 595 0.3- 0.4+ 210531 G34 0.9- 0.7+
210531 381 1.0- 1.8+ 210531 L01 0.6- 0.0 210531 A17 0.1- 0.1+
210531 381 0.2- 0.1- 210531 L01 0.5- 0.0 210531 A17 0.6+ 0.1-
210531 381 1.5- 1.4+ 210531 595 0.3- 0.4- 210531 A17 0.5- 0.3+
Ephemeris:
2021 KQ2 a,e,i = 0.92, 0.10, 4 q = 0.8293
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 05 01 01 49 00.9 -43 24 51 0.04096 0.9872 59.2 118.7 27.8
...
2021 05 16 01 36 04.2 -46 20 50 0.02148 1.0041 70.3 108.5 25.7
...
2021 05 24 01 13 43.6 -49 11 07 0.01060 1.0107 79.4 100.1 23.8
...
2021 05 30 21 49 37.4 -55 50 12 0.0022771.0146 113.0 66.8 19.1
2021 05 31 18 04 18.1 -29 28 17 0.0012451.0150 157.8 22.2 16.5
2021 06 01 15 07 45.8 +29 33 26 0.0016921.0150 124.3 55.6 18.2
...
2021 06 07 11 32 14.1 +55 31 03 0.0099791.0125 75.8 103.6 23.8
...
2021 06 15 10 57 23.5 +56 08 56 0.02090 1.0074 65.9 113.0 25.9
...
2021 06 30 10 26 36.1 +56 18 11 0.04064 0.9928 53.2 125.0 28.2
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-K106
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