MPEC 2021-K64 : 2021 KQ1
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M.P.E.C. 2021-K64 Issued 2021 May 21, 01:36 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 KQ1
Observations:
K21K01Q*HC2021 05 20.35931516 00 15.67 -07 51 58.3 20.50GVEK064V00
K21K01Q HC2021 05 20.36422116 00 13.15 -07 46 56.9 VEK064V00
K21K01Q HC2021 05 20.36909716 00 10.67 -07 41 58.5 VEK064V00
K21K01Q HC2021 05 20.37398516 00 08.21 -07 36 57.2 VEK064V00
K21K01Q KC2021 05 20.40144015 59 54.45 -07 09 20.2 19.22GVEK064I52
K21K01Q KC2021 05 20.40314615 59 53.64 -07 07 38.5 19.31GVEK064I52
K21K01Q KC2021 05 20.40484615 59 52.85 -07 05 56.7 19.21GVEK064I52
K21K01Q KC2021 05 20.43080615 59 41.14 -06 40 18.0 18.86GVEK064I52
K21K01Q KC2021 05 20.43250115 59 40.43 -06 38 38.6 18.47GVEK064I52
K21K01Q C2021 05 20.49181415 59 36.489-05 40 34.31 19.39GVEK064F51
K21K01Q C2021 05 20.50304215 59 31.026-05 30 07.14 19.17GVEK064F51
K21K01Q C2021 05 20.51426615 59 25.688-05 19 44.89 19.34GVEK064F51
K21K01Q bC2021 05 20.90023315 58 26.87 -00 12 47.1 19.3 GVEK064L01
K21K01Q bC2021 05 20.90113015 58 26.56 -00 12 09.2 19.6 GVEK064L01
K21K01Q bC2021 05 20.90222215 58 26.22 -00 11 23.2 19.7 GVEK064L01
K21K01Q bC2021 05 20.90331115 58 25.87 -00 10 37.6 19.7 GVEK064L01
K21K01Q bC2021 05 20.90439915 58 25.48 -00 09 51.7 19.6 GVEK064L01
K21K01Q KC2021 05 21.03044615 58 10.99 +01 24 09.4 XEK064Y00
K21K01Q KC2021 05 21.03487815 58 09.43 +01 26 59.8 19.6 GXEK064Y00
K21K01Q KC2021 05 21.03930015 58 07.84 +01 29 49.2 19.8 GXEK064Y00
Observer details:
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.
I52 Steward Observatory, Mt. Lemmon Station. Observer E. J. Christensen.
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.
V00 Kitt Peak-Bok. Observer H. Groeller. Measurers M. J. Brucker, E. J.
Christensen, C. E. Woodward, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. S.
McMillan, T. A. Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W.
Wierzchos. 2.25-m reflector + CCD.
Y00 SONEAR Observatory, Oliveira. Observers C. Jacques, E. Pimentel, J.
Barros. Measurer C. Jacques. 0.45-m f/2.9 reflector + CCD.
Orbital elements:
2021 KQ1 Earth MOID = 0.0071 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 289.15015 (2000.0) P Q
n 0.92176188 Peri. 261.01056 -0.72762274 -0.64037606
a 1.0456593 Node 238.74703 +0.68586644 -0.68559437
e 0.2436723 Incl. 16.71918 -0.01234415 -0.34623527
P 1.07 H 27.93 G 0.15 U 7
Residuals in seconds of arc
210520 V00 (0.1- 0.9+) 210520 I52 0.2- 0.3+ 210520 L01 0.1- 0.2-
210520 V00 0.1- 0.0 210520 I52 0.1+ 0.3+ 210520 L01 0.4+ 0.7-
210520 V00 (0.1- 1.1-) 210520 F51 0.1+ 0.2- 210520 L01 0.2+ 0.6-
210520 V00 (0.0 1.1+) 210520 F51 0.1+ 0.0 210521 Y00 0.7- 1.3+
210520 I52 0.0 0.3+ 210520 F51 0.0 0.3+ 210521 Y00 0.5- 0.9+
210520 I52 0.2- 0.3- 210520 L01 0.7- 0.2- 210521 Y00 0.6- 0.3+
210520 I52 0.1- 0.2- 210520 L01 0.7- 0.2-
Ephemeris:
2021 KQ1 a,e,i = 1.05, 0.24, 17 q = 0.7909
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 04 21 03 43 00.0 -31 06 33 0.1745 0.9030 50.1 121.4 28.9
...
2021 05 06 03 45 33.1 -36 45 24 0.08038 0.9646 54.7 121.4 27.3
...
2021 05 14 03 40 49.7 -47 05 22 0.03090 0.9984 65.8 112.6 24.7
...
2021 05 20 16 02 28.6 -14 46 26 0.01175 1.0236 173.6 6.3 18.8
2021 05 21 15 57 58.3 +01 00 40 0.01676 1.0277 158.8 20.9 20.1
2021 05 22 15 55 40.3 +09 11 24 0.02244 1.0318 150.5 28.9 21.0
...
2021 05 28 15 51 35.7 +22 53 00 0.05941 1.0563 135.2 42.5 23.6
...
2021 06 05 15 50 53.3 +25 52 26 0.1102 1.0879 129.4 46.1 25.1
...
2021 06 20 15 54 04.2 +25 23 57 0.2071 1.1428 123.2 48.1 26.6
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-K64
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