MPEC 2020-A79 : 2020 AA2
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M.P.E.C. 2020-A79 Issued 2020 January 6, 02:08 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
2020 AA2
Observations:
K20A02A* C2020 01 05.30261 08 23 55.40 +20 15 11.7 20.1 GVEA079G96
K20A02A C2020 01 05.30772 08 23 58.37 +20 15 56.2 20.7 GVEA079G96
K20A02A C2020 01 05.31284 08 24 01.36 +20 16 41.3 20.1 GVEA079G96
K20A02A C2020 01 05.31795 08 24 04.31 +20 17 26.2 20.9 GVEA079G96
K20A02A C2020 01 05.33530008 24 13.19 +20 19 49.8 19.7 GVEA079H01
K20A02A C2020 01 05.33994608 24 15.84 +20 20 29.5 20.0 GVEA079H01
K20A02A C2020 01 05.34875008 24 20.86 +20 21 44.6 20.2 GVEA079H01
K20A02A C2020 01 05.35681508 24 25.44 +20 22 52.9 21.4 GVEA079H01
K20A02A C2020 01 05.41848 08 25 01.09 +20 31 30.4 19.9 GVEA079I52
K20A02A C2020 01 05.41968 08 25 01.71 +20 31 40.9 20.2 GVEA079I52
K20A02A C2020 01 05.42088 08 25 02.43 +20 31 50.4 21.1 GVEA079I52
K20A02A C2020 01 05.42209 08 25 03.05 +20 32 00.4 21.1 GVEA079I52
K20A02A pC2020 01 05.94449008 30 31.92 +21 36 50.1 20.4 GVEA079L01
K20A02A KC2020 01 05.94712408 30 33.17 +21 37 08.7 20.4 GVEA079L01
K20A02A pC2020 01 05.94976708 30 34.46 +21 37 26.4 20.5 GVEA079L01
K20A02A KC2020 01 06.03008 08 31 13.51 +21 46 48.1 19.7 GVEA079K63
K20A02A KC2020 01 06.03647 08 31 16.49 +21 47 31.1 19.5 GVEA079K63
K20A02A KC2020 01 06.05042 08 31 23.03 +21 49 04.5 19.7 GVEA079K63
Observer details:
G96 Mt. Lemmon Survey. Observer R. A. Kowalski. 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.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer D. C. Fuls. 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. 0.4-m
f/3.2 Newtonian reflector + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector +
CCD.
Orbital elements:
2020 AA2 Earth MOID = 0.0101 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Bell
M 62.51610 (2000.0) P Q
n 0.35256695 Peri. 321.21213 +0.41079123 -0.90814716
a 1.9844568 Node 104.40054 +0.85589440 +0.35360361
e 0.5291149 Incl. 4.78180 +0.31415814 +0.22412770
P 2.80 H 27.0 G 0.15 U 7
Residuals in seconds of arc
200105 G96 0.2- 0.2+ 200105 H01 0.1+ 0.0 200105 L01 0.7+ 0.0
200105 G96 0.3- 0.2- 200105 H01 0.1+ 0.0 200105 L01 0.1+ 0.1-
200105 G96 0.0 0.0 200105 I52 0.5+ 0.6- 200105 L01 0.0 1.2-
200105 G96 0.0 0.3+ 200105 I52 0.2- 0.2+ 200106 K63 0.4- 0.4+
200105 H01 0.0 0.0 200105 I52 0.5+ 0.0 200106 K63 0.5- 0.3+
200105 H01 0.0 0.1- 200105 I52 0.3- 0.2+ 200106 K63 0.1+ 0.5+
Ephemeris:
2020 AA2 a,e,i = 1.98, 0.53, 5 q = 0.9345
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 12 07 21 44 07.3 -35 09 33 0.1338 0.9341 63.9 108.7 26.6
...
2019 12 22 22 27 09.4 -38 42 35 0.05166 0.9576 58.3 119.1 25.2
...
2019 12 30 02 53 43.6 -41 33 34 0.01248 0.9851 97.7 81.6 20.3
...
2020 01 05 08 20 12.0 +19 30 26 0.02982 1.0115 161.0 18.4 20.3
2020 01 06 08 30 56.1 +21 44 53 0.03513 1.0163 160.0 19.4 20.7
2020 01 07 08 38 59.4 +23 22 09 0.04055 1.0213 159.2 20.0 21.1
...
2020 01 13 09 02 08.9 +27 49 43 0.07424 1.0532 159.3 19.3 22.4
...
2020 01 21 09 10 35.6 +29 36 43 0.1216 1.1010 163.2 15.0 23.5
...
2020 02 05 09 12 03.0 +30 00 39 0.2217 1.2022 166.2 11.3 24.8
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-A79
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