MPEC 2021-A189 : 2021 AG6
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M.P.E.C. 2021-A189 Issued 2021 January 14, 17:29 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 AG6
Observations:
K21A06G*HC2021 01 13.37081609 44 30.01 -10 18 41.7 20.18GVEA189G96
K21A06G HC2021 01 13.37598209 44 18.90 -10 16 40.5 20.20GVEA189G96
K21A06G HC2021 01 13.38114309 44 07.88 -10 14 39.7 20.60GVEA189G96
K21A06G KC2021 01 13.48611909 40 20.93 -09 32 54.2 19.34GVEA189I52
K21A06G KC2021 01 13.48725509 40 18.48 -09 32 26.7 19.57GVEA189I52
K21A06G KC2021 01 13.48953609 40 13.57 -09 31 31.3 18.85GVEA189I52
K21A06G KC2021 01 14.29473109 11 55.18 -03 39 02.7 18.64GVEA189I52
K21A06G KC2021 01 14.29606709 11 51.93 -03 38 25.0 18.95GVEA189I52
K21A06G KC2021 01 14.29738809 11 48.71 -03 37 47.9 18.77GVEA189I52
K21A06G KC2021 01 14.29871409 11 45.48 -03 37 10.5 18.81GVEA189I52
K21A06G KC2021 01 14.62360308 58 53.21 -00 49 31.0 19.0 GVEA189474
K21A06G KC2021 01 14.62425908 58 51.58 -00 49 11.7 18.9 GVEA189474
K21A06G KC2021 01 14.62491508 58 49.91 -00 48 52.0 18.9 GVEA189474
K21A06G KC2021 01 14.62557208 58 48.27 -00 48 32.6 18.8 GVEA189474
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.
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.
Orbital elements:
2021 AG6 Earth MOID = 0.0154 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Pike
M 120.61339 (2000.0) P Q
n 1.49942792 Peri. 186.40361 +0.55233880 +0.82652839
a 0.7559951 Node 117.17493 -0.75931838 +0.55254398
e 0.3287833 Incl. 7.00551 -0.34403118 +0.10745219
P 0.66 H 26.81 G 0.15 U 7
Residuals in seconds of arc
210113 G96 0.0- 0.3- 210113 I52 0.2+ 0.2- 210114 474 0.2- 0.1+
210113 G96 0.4- 0.2+ 210114 I52 0.1+ 0.1+ 210114 474 0.2+ 0.1-
210113 G96 0.5+ 0.2+ 210114 I52 0.0+ 0.1+ 210114 474 0.1- 0.1+
210113 I52 0.2- 0.0- 210114 I52 0.1- 0.1- 210114 474 0.1+ 0.0-
210113 I52 0.1- 0.1- 210114 I52 0.2- 0.1-
Ephemeris:
2021 AG6 a,e,i = 0.76, 0.33, 7 q = 0.5074
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 12 15 13 16 28.8 -37 06 34 0.1209 0.9213 55.5 118.2 26.8
...
2020 12 30 12 37 04.8 -34 35 58 0.06716 0.9704 77.0 99.1 24.5
...
2021 01 07 11 47 31.9 -29 46 16 0.03824 0.9879 95.7 82.1 22.6
...
2021 01 13 09 56 16.8 -12 32 06 0.01980 0.9969 131.9 47.2 20.1
2021 01 14 09 22 39.0 -05 50 01 0.01795 0.9980 143.4 36.0 19.5
2021 01 15 08 43 53.6 +02 13 59 0.01684 0.9991 156.5 23.1 19.0
...
2021 01 21 05 01 38.3 +35 31 57 0.02687 1.0034 135.5 43.4 20.6
...
2021 01 29 03 22 21.4 +40 00 50 0.05529 1.0037 108.3 68.7 22.9
...
2021 02 13 02 41 28.0 +40 30 15 0.1101 0.9875 86.9 86.7 25.0
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-A189
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