MPEC 2021-A109 : 2021 AQ3
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M.P.E.C. 2021-A109 Issued 2021 January 10, 08:14 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 AQ3
Observations:
K21A03Q* C2021 01 08.30118207 20 40.33 +25 20 27.8 19.90GVEA109G96
K21A03Q C2021 01 08.30634207 20 41.31 +25 18 48.2 19.60GVEA109G96
K21A03Q C2021 01 08.31149207 20 42.26 +25 17 10.5 20.25GVEA109G96
K21A03Q C2021 01 08.31663607 20 43.22 +25 15 29.8 21.58GVEA109G96
K21A03Q KC2021 01 08.36757007 20 52.53 +24 59 12.8 19.58GVEA109I52
K21A03Q KC2021 01 08.36855307 20 52.72 +24 58 54.2 19.64GVEA109I52
K21A03Q KC2021 01 08.37052807 20 53.05 +24 58 16.2 19.89GVEA109I52
K21A03Q KC2021 01 08.82929907 22 52.46 +22 39 47.7 19.8 GVEA109L01
K21A03Q KC2021 01 08.83249107 22 53.03 +22 38 54.3 19.8 GVEA109L01
K21A03Q KC2021 01 08.83565207 22 53.62 +22 38 01.1 19.8 GVEA109L01
K21A03Q KC2021 01 08.88016407 23 01.80 +22 25 37.9 20.0 GVEA109K63
K21A03Q KC2021 01 08.88498407 23 02.60 +22 24 18.6 20.4 GVEA109K63
K21A03Q KC2021 01 08.88918807 23 03.25 +22 23 07.6 19.6 GVEA109K63
K21A03Q C2021 01 09.27450 07 24 18.29 +20 40 34.7 oEA109711
K21A03Q C2021 01 09.27709 07 24 18.60 +20 39 55.5 oEA109711
K21A03Q IC2021 01 09.27996 07 24 18.93 +20 39 11.0 oEA109711
K21A03Q C2021 01 09.28345 07 24 19.39 +20 38 17.7 oEA109711
K21A03Q KC2021 01 09.37231407 24 31.83 +20 15 37.7 20.57GVEA109I52
K21A03Q KC2021 01 09.37329407 24 31.96 +20 15 22.9 20.24GVEA109I52
K21A03Q KC2021 01 09.37427807 24 31.98 +20 15 14.2 VEA109I52
K21A03Q KC2021 01 09.37526207 24 32.17 +20 14 58.6 VEA109I52
K21A03Q KC2021 01 10.21513807 27 01.63 +17 02 46.4 20.73GVEA109I52
K21A03Q KC2021 01 10.21639807 27 01.75 +17 02 30.0 20.27GVEA109I52
K21A03Q KC2021 01 10.21765807 27 01.88 +17 02 15.2 20.71GVEA109I52
K21A03Q KC2021 01 10.21891707 27 02.01 +17 01 59.1 20.70GVEA109I52
Observer details:
711 McDonald Observatory, Fort Davis. Observers J. G. Ries, B. P. Roman.
Measurer J. G. Ries. 2.1-m reflector + CCD + focal reducer.
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. Observers D. Rankin, T. A.
Pruyne. 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.
K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.41-m
f/3.2 Newtonian reflector + CCD.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, D. Pujagic. 1.0-m
f/2.9 reflector + CCD.
Orbital elements:
2021 AQ3 Earth MOID = 0.0282 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 8.14153 (2000.0) P Q
n 0.43263368 Peri. 126.47732 +0.55650974 -0.80906311
a 1.7313671 Node 288.64562 +0.68415203 +0.57530183
e 0.4820248 Incl. 11.50475 +0.47141585 +0.12018600
P 2.28 H 26.64 G 0.15 U 8
Residuals in seconds of arc
210108 G96 0.2- 0.1- 210108 L01 0.4+ 0.0+ 210109 I52 0.1- 0.1-
210108 G96 0.2+ 0.2- 210108 K63 0.4- 0.1- 210109 I52 0.0- 0.0-
210108 G96 0.3+ 1.2+ 210108 K63 0.4- 0.1- 210109 I52 (1.6- 6.2+)
210108 G96 0.4+ 0.5- 210108 K63 0.4- 0.9+ 210109 I52 (0.7- 5.6+)
210108 I52 0.1+ 0.1- 210108 K63 1.1- 0.0- 210110 I52 0.1+ 0.4+
210108 I52 0.2+ 0.2+ 210109 711 0.1+ 0.4- 210110 I52 0.1+ 0.4-
210108 I52 0.3- 0.0- 210109 711 0.2- 0.2+ 210110 I52 0.0- 0.3+
210108 L01 0.2+ 0.1- 210109 711 0.7- 0.3- 210110 I52 0.1+ 0.2-
210108 L01 0.1+ 0.1+ 210109 711 0.4- 0.1-
Ephemeris:
2021 AQ3 a,e,i = 1.73, 0.48, 12 q = 0.8968
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 12 11 19 50 48.6 +21 04 52 0.1607 0.9112 58.5 112.8 26.8
...
2020 12 26 20 10 20.7 +39 15 33 0.06309 0.9614 67.8 108.7 24.6
...
2021 01 03 04 56 23.3 +75 40 16 0.02876 1.0001 125.1 53.6 20.9
...
2021 01 09 07 23 21.8 +21 53 55 0.04986 1.0332 179.4 0.6 20.3
2021 01 10 07 26 23.2 +17 49 35 0.05578 1.0391 175.8 4.0 20.8
2021 01 11 07 28 42.8 +14 33 09 0.06197 1.0450 172.7 6.9 21.2
...
2021 01 17 07 36 03.1 +03 52 57 0.1023 1.0818 162.4 15.9 22.7
...
2021 01 25 07 40 23.0 -01 06 41 0.1611 1.1341 156.6 20.2 24.0
...
2021 02 09 07 47 13.0 -03 11 22 0.2839 1.2382 148.8 24.4 25.5
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-A109
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