MPEC 2020-A71 : 2020 AT1
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M.P.E.C. 2020-A71 Issued 2020 January 5, 19:48 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 AT1
Observations:
K20A01T* C2020 01 05.10636 04 58 05.88 +18 58 29.0 19.8 GVEA071G96
K20A01T C2020 01 05.11191 04 58 05.34 +18 57 01.0 19.6 GVEA071G96
K20A01T C2020 01 05.11745 04 58 04.76 +18 55 31.6 19.6 GVEA071G96
K20A01T C2020 01 05.12301 04 58 04.18 +18 54 01.8 19.9 GVEA071G96
K20A01T C2020 01 05.14397504 57 59.75 +18 48 13.1 19.4 GVEA071H01
K20A01T C2020 01 05.14732404 57 59.32 +18 47 18.1 19.9 GVEA071H01
K20A01T C2020 01 05.16152204 57 57.44 +18 43 23.6 19.4 GVEA071H01
K20A01T C2020 01 05.16481604 57 56.99 +18 42 28.9 19.3 GVEA071H01
K20A01T C2020 01 05.23068 04 57 49.29 +18 24 00.5 19.9 GVEA071I52
K20A01T C2020 01 05.23125 04 57 49.21 +18 23 51.3 19.6 GVEA071I52
K20A01T C2020 01 05.23181 04 57 49.14 +18 23 44.3 19.6 GVEA071I52
K20A01T C2020 01 05.23237 04 57 49.02 +18 23 32.6 VEA071I52
K20A01T KC2020 01 05.74920 04 58 40.23 +15 34 13.4 19.6 GVEA071K63
K20A01T KC2020 01 05.75212 04 58 40.13 +15 33 12.1 19.3 GVEA071K63
K20A01T KC2020 01 05.77293 04 58 33.75 +15 25 31.7 19.2 RoEA071K88
K20A01T KC2020 01 05.77857 04 58 33.19 +15 23 30.4 19.2 RoEA071K88
K20A01T KC2020 01 05.78524 04 58 32.67 +15 21 05.6 18.9 RoEA071K88
K20A01T KC2020 01 05.79051404 58 35.50 +15 19 29.2 19.9 VSEA071L01
K20A01T KC2020 01 05.79729104 58 34.87 +15 17 02.7 20.1 VSEA071L01
K20A01T KC2020 01 05.79848904 58 34.72 +15 16 36.8 20.0 VSEA071L01
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.
K88 GINOP-KHK, Piszkesteto. Observer K. Sarneczky. 0.60-m Schmidt + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector +
CCD.
Orbital elements:
2020 AT1 Earth MOID = 0.0062 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 70.32561 (2000.0) P Q
n 0.63239098 Peri. 224.00702 -0.82673349 -0.55993125
a 1.3442466 Node 281.86589 +0.53037801 -0.74329275
e 0.3028316 Incl. 3.20239 +0.18764570 -0.36605039
P 1.56 H 27.6 G 0.15 U 7
Residuals in seconds of arc
200105 G96 0.0 0.3+ 200105 H01 0.0 0.2- 200105 K88 0.2+ 0.4+
200105 G96 0.1+ 0.7+ 200105 I52 0.0 0.7- 200105 K88 0.8- 0.3+
200105 G96 0.1- 0.0 200105 I52 0.1+ 0.1+ 200105 K88 0.4+ 0.6-
200105 G96 0.1+ 0.5- 200105 I52 (0.3+ 2.8+) 200105 L01 0.1+ 0.2-
200105 H01 0.0 0.1- 200105 I52 0.1- 0.9+ 200105 L01 0.3+ 0.0
200105 H01 0.0 0.2- 200105 K63 (1.0- 2.4-) 200105 L01 0.2- 0.1+
200105 H01 0.0 0.2- 200105 K63 (0.0 2.3-)
Ephemeris:
2020 AT1 a,e,i = 1.34, 0.30, 3 q = 0.9372
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 12 06 05 04 41.0 +36 34 46 0.1349 1.1164 165.3 12.9 24.2
...
2019 12 21 04 59 47.7 +35 37 24 0.07171 1.0526 163.1 15.7 22.8
...
2019 12 29 04 57 01.3 +32 19 27 0.04181 1.0222 157.8 21.3 21.8
...
2020 01 04 04 57 07.3 +23 10 22 0.02064 1.0016 152.8 26.7 20.4
2020 01 05 04 57 40.1 +19 29 54 0.01727 0.9984 151.3 28.2 20.0
2020 01 06 04 58 33.4 +14 05 05 0.01400 0.9953 149.0 30.6 19.6
...
2020 01 12 16 22 05.0 -75 17 35 0.01095 0.9777 58.7 120.8 22.6
...
2020 01 20 16 52 09.5 -49 15 50 0.03807 0.9588 47.8 130.5 26.2
...
2020 02 04 17 06 51.2 -42 57 42 0.09179 0.9389 57.1 118.2 27.0
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-A71
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