MPEC 2021-A193 : 2021 AL6
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M.P.E.C. 2021-A193 Issued 2021 January 15, 03:38 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 AL6
Observations:
K21A06L* C2021 01 13.19904703 51 18.74 -03 07 14.8 20.72GVEA193G96
K21A06L C2021 01 13.20419903 51 20.04 -03 07 12.2 20.69GVEA193G96
K21A06L C2021 01 13.20934403 51 21.36 -03 07 10.6 20.35GVEA193G96
K21A06L C2021 01 13.21448603 51 22.69 -03 07 08.0 20.74GVEA193G96
K21A06L KC2021 01 13.27448303 51 38.02 -03 06 41.1 20.39GVEA193I52
K21A06L KC2021 01 13.27616503 51 38.47 -03 06 40.5 20.46GVEA193I52
K21A06L KC2021 01 13.27784603 51 38.93 -03 06 39.5 20.44GVEA193I52
K21A06L KC2021 01 13.27952603 51 39.34 -03 06 38.6 20.59GVEA193I52
K21A06L IC2021 01 13.87500103 54 13.84 -03 02 17.9 20.8 GVEA193L01
K21A06L IC2021 01 13.87894203 54 14.73 -03 02 15.8 20.4 GVEA193L01
K21A06L KC2021 01 14.09700903 55 11.08 -03 00 36.6 20.26GVEA193I52
K21A06L KC2021 01 14.10161303 55 12.19 -03 00 32.6 20.49GVEA193I52
K21A06L KC2021 01 14.10621603 55 13.38 -03 00 30.5 20.77GVEA193I52
K21A06L KC2021 01 14.11082103 55 14.46 -03 00 28.4 21.04GVEA193I52
K21A06L !C2021 01 14.19958 03 55 36.46 -02 59 48.9 20.2 RVEA193673
K21A06L !C2021 01 14.20566 03 55 37.94 -02 59 46.2 VEA193673
K21A06L KC2021 01 14.45020903 56 39.03 -02 57 31.9 20.7 GVEA193474
K21A06L KC2021 01 14.46372803 56 42.42 -02 57 25.5 20.7 GVEA193474
K21A06L KC2021 01 14.46668003 56 43.05 -02 57 23.7 21.2 GVEA193474
K21A06L KC2021 01 14.46962703 56 43.82 -02 57 21.7 21.1 GVEA193474
K21A06L KC2021 01 14.47256603 56 44.56 -02 57 20.5 20.5 GVEA193474
K21A06L KC2021 01 15.09424003 59 18.72 -02 53 02.7 21.01GVEA193I52
K21A06L KC2021 01 15.09807803 59 19.67 -02 53 01.0 20.18GVEA193I52
K21A06L KC2021 01 15.10191503 59 20.52 -02 52 59.1 21.06GVEA193I52
K21A06L KC2021 01 15.10575303 59 21.44 -02 52 57.5 20.56GVEA193I52
Observer details:
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore, P. M.
Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Pittichova. 1.0-m
f/15 reflector + CCD.
G96 Mt. Lemmon Survey. Observer K. W. Wierzchos. 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. 1.5-m reflector +
10K 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. Observers K. Korlevic, V. Dobos, D. Pujagic.
Measurers D. Pujagic, K. Korlevic. 1.0-m f/2.9 reflector + CCD.
Orbital elements:
2021 AL6 PHA, Earth MOID = 0.0098 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 9.83535 (2000.0) P Q
n 0.25961544 Peri. 126.44944 +0.91536347 -0.28731004
a 2.4335991 Node 251.77661 +0.20235160 +0.93394189
e 0.6544838 Incl. 17.27528 +0.34808554 +0.21261580
P 3.80 H 20.6 G 0.15 U 8
Residuals in seconds of arc
210113 G96 0.1+ 0.0 210113 L01 1.1- 0.1+ 210114 474 0.6- 0.0
210113 G96 0.2- 0.3+ 210114 I52 0.0 1.9- 210114 474 0.1+ 0.7+
210113 G96 0.1- 0.4- 210114 I52 0.4- 0.1+ 210114 474 0.5+ 0.5+
210113 G96 0.1+ 0.1- 210114 I52 0.4+ 0.1+ 210115 I52 0.1- 0.1+
210113 I52 0.4- 0.1+ 210114 I52 0.4- 0.2+ 210115 I52 0.5+ 0.0
210113 I52 0.1- 0.0 210114 673 0.5+ 0.3+ 210115 I52 0.4- 0.2+
210113 I52 0.3+ 0.2+ 210114 673 0.3+ 0.3+ 210115 I52 0.2- 0.0
210113 I52 0.0 0.4+ 210114 474 0.5- 0.7-
210113 L01 0.4+ 0.3- 210114 474 0.8+ 0.5-
Ephemeris:
2021 AL6 a,e,i = 2.43, 0.65, 17 q = 0.8408
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 12 16 23 34 14.5 -02 56 54 0.2138 1.0025 88.7 79.0 20.0
...
2020 12 31 02 31 10.9 -04 19 39 0.2880 1.1281 113.2 53.2 20.1
...
2021 01 08 03 25 45.1 -03 42 38 0.3682 1.2010 118.0 46.3 20.6
...
2021 01 14 03 54 45.9 -03 01 07 0.4380 1.2570 119.2 43.1 21.0
2021 01 15 03 58 55.1 -02 53 35 0.4503 1.2665 119.3 42.6 21.0
2021 01 16 04 02 54.9 -02 45 56 0.4627 1.2759 119.3 42.2 21.1
...
2021 01 22 04 24 07.4 -01 58 15 0.5403 1.3329 119.0 40.2 21.5
...
2021 01 30 04 47 08.2 -00 53 02 0.6509 1.4092 117.5 38.3 21.9
...
2021 02 14 05 21 32.3 +01 04 12 0.8770 1.5517 112.5 36.0 22.7
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-A193
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