MPEC 2020-A18 : 2020 AC
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M.P.E.C. 2020-A18 Issued 2020 January 1, 20:50 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 AC
Observations:
K20A00C C2020 01 01.10386304 12 24.50 +32 00 23.1 UEA018I41
K20A00C C2020 01 01.10420904 12 23.67 +32 00 04.9 UEA018I41
K20A00C* C2020 01 01.15725704 10 23.24 +31 06 27.1 18.09RUEA018I41
K20A00C C2020 01 01.15760404 10 22.56 +31 06 03.7 18.09RUEA018I41
K20A00C C2020 01 01.17540504 09 41.34 +30 47 44.0 17.73RUEA018I41
K20A00C C2020 01 01.17575204 09 40.57 +30 47 22.0 17.73RUEA018I41
K20A00C KC2020 01 01.71802 03 52 54.03 +20 29 42.5 17.5 RVEA018K61
K20A00C KC2020 01 01.71928 03 52 51.44 +20 28 12.9 17.7 RVEA018K61
K20A00C KC2020 01 01.71964 03 52 50.75 +20 27 47.7 16.8 RVEA018K61
K20A00C KC2020 01 01.72047 03 52 49.07 +20 26 48.5 17.0 RVEA018K61
K20A00C KC2020 01 01.74276303 52 05.47 +20 01 28.4 17.5 GVEA018L01
K20A00C KC2020 01 01.74370203 52 03.49 +20 00 21.3 17.7 GVEA018L01
K20A00C KC2020 01 01.74461103 52 01.58 +19 59 16.4 17.8 GVEA018L01
K20A00C KC2020 01 01.74545003 51 59.83 +19 58 16.6 17.9 GVEA018L01
K20A00C KC2020 01 01.74598303 51 58.71 +19 57 38.5 17.7 GVEA018L01
K20A00C KC2020 01 01.75751 03 51 28.78 +19 43 25.5 18.1 RoEA018K88
K20A00C KC2020 01 01.76008 03 51 23.40 +19 40 21.9 17.9 RoEA018K88
K20A00C KC2020 01 01.76066 03 51 30.66 +19 40 21.3 17.9 GVEA018104
K20A00C KC2020 01 01.76264 03 51 17.94 +19 37 18.2 18.2 RoEA018K88
K20A00C KC2020 01 01.76520 03 51 21.09 +19 34 55.5 17.8 GVEA018104
K20A00C KC2020 01 01.77340 03 51 06.24 +19 24 54.7 qEA018C77
K20A00C KC2020 01 01.77406 03 51 02.37 +19 24 19.1 17.9 GVEA018104
K20A00C KC2020 01 01.77676 03 50 59.15 +19 20 53.2 qEA018C77
K20A00C KC2020 01 01.78082 03 50 50.57 +19 16 00.7 qEA018C77
K20A00C KC2020 01 01.78098 03 50 47.75 +19 16 01.3 18.0 GVEA018104
K20A00C KC2020 01 01.78308 03 50 45.79 +19 13 18.2 qEA018C77
K20A00C KC2020 01 01.80147 03 49 52.83 +18 50 46.3 18.1 VtEA018L04
K20A00C KC2020 01 01.81397 03 49 37.54 +18 36 15.5 17.1 RVEA018160
K20A00C KC2020 01 01.81555 03 49 34.19 +18 34 22.6 18.0 RVEA018160
K20A00C KC2020 01 01.81637 03 49 32.38 +18 33 21.1 18.2 RVEA018160
K20A00C KC2020 01 01.81716 03 49 30.70 +18 32 24.1 17.4 RVEA018160
K20A00C KC2020 01 01.81877 03 49 27.22 +18 30 27.7 16.8 RVEA018160
K20A00C KC2020 01 01.82391 03 49 17.16 +18 22 42.5 17.0 RVEA018A17
K20A00C KC2020 01 01.82613 03 49 00.37 +18 20 43.5 18.2 VtEA018L04
K20A00C KC2020 01 01.82782 03 49 08.92 +18 17 57.3 17.4 RVEA018A17
K20A00C KC2020 01 01.82830 03 49 08.26 +18 18 18.2 17.8 GVEA018K38
K20A00C KC2020 01 01.83138 03 49 01.41 +18 13 37.4 17.1 RVEA018A17
K20A00C KC2020 01 01.83329 03 48 57.67 +18 12 12.7 17.9 GVEA018K38
K20A00C KC2020 01 01.84519 03 48 32.34 +17 57 42.4 17.7 GVEA018K38
K20A00C KC2020 01 01.85124 03 48 19.46 +17 50 17.9 18.0 GVEA018K38
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers P.
Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
160 Castelmartini. Observers M. Jaeger, E. Prosperi, S. Prosperi. Measurer E.
Prosperi. 0.35-m f/10 Schmidt-Cassegrain + CCD.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + CCD.
C77 Bernezzo Observatory. Observer A. Mantero. 0.25-m f/4.0 reflector + CCD.
I41 Palomar Mountain--ZTF. Observers B. T. Bolin, K. P. Deshmukh, Z. T. F.
Collaboration. Measurers B. T. Bolin, D. A. Duev, H.-W. Lin, F. J. Masci,
Q.-Z. Ye. 1.2-m f/2.4 Schmidt.
K38 M57 Observatory, Saltrio. Observer G. Baj. 0.3-m f/5.5 Ritchey-Chretien +
CCD.
K61 Rokycany Observatory. Observer M. Adamovsky. 0.51-m f/6.8 reflector + CCD.
K88 GINOP-KHK, Piszkesteto. Observer K. Sarneczky. 0.60-m Schmidt + CCD.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, D. Marusic. Measurer
K. Korlevic. 1.0-m f/2.9 reflector + CCD.
L04 ROASTERR-1 Observatory, Cluj-Napoca. Observer L. Hudin. 0.3-m f/5
reflector + CCD.
Orbital elements:
2020 AC Earth MOID = 0.0058 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 55.11439 (2000.0) P Q
n 1.05751129 Peri. 295.73693 -0.79920283 +0.57920669
a 0.9541413 Node 280.06132 -0.47628500 -0.77325997
e 0.1108593 Incl. 9.38775 -0.36664346 -0.25804771
P 0.93 H 26.7 G 0.15 U 7
Residuals in seconds of arc
200101 I41 0.4- 1.1- 200101 L01 0.2- 0.0 200101 160 0.9+ 1.5+
200101 I41 1.1- 1.3+ 200101 K88 0.6- 0.6- 200101 160 0.1+ 0.3-
200101 I41 0.1+ 0.4+ 200101 K88 0.1- 0.4+ 200101 160 0.2+ 0.3+
200101 I41 1.7+ 1.6- 200101 104 0.0 0.6+ 200101 160 0.3- 1.2+
200101 I41 0.5- 0.7+ 200101 K88 0.9- 0.8+ 200101 A17 0.2+ 0.0
200101 I41 0.1- 0.3+ 200101 104 0.1- 0.1+ 200101 L04 0.4- 1.0-
200101 K61 0.2- 0.0 200101 C77 0.2+ 0.2- 200101 A17 0.0 0.1+
200101 K61 0.4- 0.3- 200101 104 0.2- 0.1- 200101 K38 0.1- 0.1+
200101 K61 0.3+ 0.1+ 200101 C77 0.0 0.2- 200101 A17 0.2- 0.2+
200101 K61 0.5+ 0.3- 200101 C77 0.3- 0.7- 200101 K38 0.2+ 0.8-
200101 L01 0.2+ 0.2+ 200101 104 0.3+ 0.3+ 200101 K38 0.2- 0.4+
200101 L01 0.1- 0.1+ 200101 C77 0.4- 0.5- 200101 K38 0.5- 0.0
200101 L01 0.2- 0.0 200101 L04 0.4- 0.5-
200101 L01 0.1- 0.1+ 200101 160 0.5+ 0.5-
Ephemeris:
2020 AC a,e,i = 0.95, 0.11, 9 q = 0.8484
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 12 02 09 40 11.5 +69 31 40 0.1043 1.0340 114.7 60.0 24.0
...
2019 12 17 09 20 03.9 +70 37 01 0.05519 1.0151 122.9 54.5 22.4
...
2019 12 25 07 50 54.0 +69 38 34 0.02904 1.0030 131.5 47.3 20.8
...
2019 12 31 04 49 00.6 +47 26 56 0.01155 0.9931 147.4 32.2 18.4
2020 01 01 04 15 07.9 +33 47 33 0.0096690.9913 146.1 33.6 18.0
2020 01 02 03 43 53.0 +14 56 02 0.0087150.9896 136.2 43.5 18.1
...
2020 01 08 01 41 51.4 -52 19 40 0.02083 0.9787 76.7 102.2 22.0
...
2020 01 16 00 33 14.5 -63 29 27 0.04602 0.9635 62.9 114.7 24.4
...
2020 01 31 23 28 55.8 -66 08 04 0.09410 0.9341 54.9 120.4 26.3
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-A18
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