MPEC 2021-A179 : 2021 AZ5
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M.P.E.C. 2021-A179 Issued 2021 January 13, 21:47 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 AZ5
Observations:
K21A05Z*HC2021 01 13.28093805 55 12.60 -05 59 02.3 18.45GVEA179G96
K21A05Z HC2021 01 13.28612205 55 40.03 -05 57 06.8 19.66GVEA179G96
K21A05Z HC2021 01 13.29132305 56 08.14 -05 55 08.9 19.84GVEA179G96
K21A05Z HC2021 01 13.29650005 56 35.86 -05 53 10.8 VEA179G96
K21A05Z KC2021 01 13.32434605 59 09.51 -05 42 23.0 18.24GVEA179I52
K21A05Z KC2021 01 13.32473705 59 11.72 -05 42 13.8 17.67GVEA179I52
K21A05Z KC2021 01 13.32513705 59 13.97 -05 42 04.2 18.14GVEA179I52
K21A05Z KC2021 01 13.38692506 05 15.78 -05 16 34.9 17.84GVEA179I52
K21A05Z KC2021 01 13.38731606 05 18.19 -05 16 24.7 18.17GVEA179I52
K21A05Z KC2021 01 13.82974 07 08 12.45 -01 11 36.1 17.9 GVEA179104
K21A05Z KC2021 01 13.83401 07 08 55.42 -01 08 31.4 17.9 GVEA179104
K21A05Z KC2021 01 13.83538 07 09 09.26 -01 07 32.9 17.5 GVEA179104
K21A05Z KC2021 01 13.84018807 09 52.99 -01 04 43.0 17.4 GVEA179595
K21A05Z KC2021 01 13.84145607 10 05.86 -01 03 47.5 16.9 GVEA179595
K21A05Z KC2021 01 13.84272907 10 18.79 -01 02 51.9 17.4 GVEA179595
K21A05Z KC2021 01 13.84399607 10 31.63 -01 01 56.6 17.4 GVEA179595
K21A05Z KC2021 01 13.85647007 12 39.29 -00 52 31.6 17.7 GVEA179L01
K21A05Z KC2021 01 13.85745207 12 49.36 -00 51 47.5 17.6 GVEA179L01
K21A05Z KC2021 01 13.85939007 13 09.29 -00 50 21.4 17.5 GVEA179L01
K21A05Z KC2021 01 13.86052207 13 20.94 -00 49 30.6 17.5 GVEA179L01
K21A05Z KC2021 01 13.87237607 15 28.86 -00 40 09.7 17.3 GVEA179K63
K21A05Z KC2021 01 13.87402707 15 46.00 -00 38 54.8 17.6 GVEA179K63
K21A05Z KC2021 01 13.87409807 15 46.80 -00 38 50.9 17.2 GVEA179K63
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
595 Farra d'Isonzo. Observer E. Pettarin. 0.40-m f/5.15 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.
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, V. Dobos, D. Pujagic.
Measurers D. Pujagic, K. Korlevic. 1.0-m f/2.9 reflector + CCD.
Orbital elements:
2021 AZ5 Earth MOID = 0.0031 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 348.19904 (2000.0) P Q
n 0.32687750 Peri. 9.23470 -0.55608304 -0.82495533
a 2.0871133 Node 114.61304 +0.75526969 -0.55234648
e 0.5291691 Incl. 6.38445 +0.34689962 -0.11984189
P 3.02 H 28.2 G 0.15 U 6
Residuals in seconds of arc
210113 G96 0.0 0.6- 210113 I52 0.2+ 0.3+ 210113 L01 0.0 0.2-
210113 G96 (3.1- 1.2-) 210113 104 0.0 0.5+ 210113 L01 0.1- 0.1+
210113 G96 0.1+ 0.6- 210113 104 0.1+ 0.3+ 210113 L01 0.0 0.2-
210113 G96 (3.2- 0.1-) 210113 104 0.5+ 0.8- 210113 L01 0.1- 0.0
210113 I52 0.2- 0.2+ 210113 595 0.6- 0.2+ 210113 K63 0.6+ 0.2-
210113 I52 0.0 0.2+ 210113 595 0.3- 0.2+ 210113 K63 0.4- 0.2-
210113 I52 0.1+ 0.3+ 210113 595 0.0 0.0 210113 K63 0.5+ 0.5+
210113 I52 0.1- 0.2+ 210113 595 0.4- 0.3-
Ephemeris:
2021 AZ5 a,e,i = 2.09, 0.53, 6 q = 0.9827
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 12 14 03 40 30.1 -10 54 17 0.1455 1.0956 137.2 37.6 25.7
...
2020 12 29 03 38 07.9 -12 31 48 0.07585 1.0280 124.4 52.1 24.6
...
2021 01 06 03 47 53.0 -12 31 05 0.03915 1.0033 119.8 58.2 23.3
...
2021 01 12 04 44 42.7 -09 58 52 0.01196 0.9909 127.8 51.6 20.5
2021 01 13 05 32 06.4 -07 14 53 0.0077880.9893 137.8 41.9 19.3
2021 01 14 07 38 59.4 +01 23 29 0.0046040.9879 160.0 19.9 17.5
...
2021 01 20 14 48 00.8 +14 41 25 0.02610 0.9825 86.0 92.5 23.5
...
2021 01 28 15 10 35.1 +14 01 07 0.06234 0.9842 87.7 88.7 25.3
...
2021 02 12 15 18 30.8 +13 46 14 0.1267 1.0144 98.8 74.1 26.3
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-A179
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