MPEC 2020-A122 : 2019 YD2
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M.P.E.C. 2020-A122 Issued 2020 January 13, 02:01 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
2019 YD2
Revision to MPEC 2019-Y70
Additional Observations:
K19Y02D C2008 11 22.33385 04 08 30.04 +10 25 31.5 oEA122291
K19Y02D C2008 11 22.33786 04 08 29.74 +10 25 31.1 oEA122291
K19Y02D C2008 11 22.34175 04 08 29.48 +10 25 30.5 oEA122291
K19Y02D C2009 01 01.22915 03 22 29.20 +14 00 42.0 21.3 VrEA122G96
K19Y02D C2009 01 01.23627 03 22 28.84 +14 00 49.1 20.1 VrEA122G96
K19Y02D C2009 01 01.24343 03 22 28.63 +14 00 54.8 20.1 VrEA122G96
K19Y02D C2009 01 01.25056 03 22 28.30 +14 01 00.5 21.1 VrEA122G96
K19Y02D C2009 01 17.16277 03 24 37.54 +19 01 52.2 22.6 VrEA122G96
K19Y02D C2009 01 17.16769 03 24 37.76 +19 01 58.7 21.9 VrEA122G96
K19Y02D C2009 01 17.17249 03 24 37.94 +19 02 05.0 21.5 VrEA122G96
K19Y02D C2009 01 17.17735 03 24 38.08 +19 02 11.6 21.5 VrEA122G96
Observer details:
291 LPL/Spacewatch II. Observer R. S. McMillan. 1.8-m f/2.7 reflector + CCD.
G96 Mt. Lemmon Survey. Observers E. Beshore, R. E. Hill. Measurers E. C.
Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-m reflector + CCD.
Orbital elements:
2019 YD2 Earth MOID = 0.1223 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 32.19951 (2000.0) P Q
n 0.27006960 Peri. 35.24070 -0.72839358 -0.67907140
a 2.3703851 Node 101.71665 +0.60532548 -0.70011397
e 0.5375908 Incl. 5.34025 +0.32097330 -0.22068633
P 3.65 H 21.7 G 0.15 U 2
Residuals in seconds of arc
081122 291 0.1+ 0.2+ 191221 033 0.2- 0.2- 200105 157 0.4- 0.1-
081122 291 0.2- 0.2+ 191221 L01 0.4- 0.1- 200105 157 0.4+ 0.0
081122 291 0.0 0.0 191221 L01 0.1+ 0.1+ 200105 G96 0.0 0.0
090101 G96 0.8+ 0.1- 191221 L01 0.2+ 0.1- 200105 G96 0.2+ 0.0
090101 G96 0.5- 0.8+ 191222 711 0.5- 0.3+ 200105 G96 0.1+ 0.1-
090101 G96 0.3+ 0.3+ 191222 711 0.7- 0.1+ 200105 G96 0.0 0.0
090101 G96 0.7- 0.2- 191222 H21 0.2+ 0.2+ 200106 703 0.6- 1.4+
090117 G96 0.1- 0.1+ 191222 711 0.6- 0.4+ 200106 703 0.3+ 0.3-
090117 G96 0.3+ 0.1- 191222 H21 0.1+ 0.0 200106 703 0.5- 0.6+
090117 G96 0.3+ 0.3- 191222 711 0.3- 0.5+ 200106 703 0.4+ 0.3+
090117 G96 0.3- 0.3- 191222 H21 0.0 0.0 200106 H45 1.4- 0.0
191220 G96 0.2- 0.0 191222 H21 0.2+ 0.0 200106 H45 1.0- 0.1-
191220 G96 0.1+ 0.3+ 191222 H21 0.1+ 0.2+ 200106 H45 1.4- 0.1-
191220 G96 0.1+ 0.1- 200101 204 0.3+ 0.0 200106 H45 0.5- 0.1-
191220 I52 0.5+ 0.7- 200101 204 0.3+ 0.0 200106 H45 1.1- 0.1-
191220 I52 0.6+ 0.5- 200101 204 0.1+ 0.2+ 200106 H45 (1.6- 0.0 )
191220 I52 0.7+ 0.1+ 200101 246 0.4+ 0.3- 200106 246 0.6- 1.1-
191220 F52 0.3+ 0.0 200101 246 (4.8+ 0.1+) 200106 246 0.1+ 0.9+
191220 F52 0.2+ 0.1+ 200101 246 0.8+ 0.3+ 200106 246 0.1+ 0.4-
191220 F52 0.1+ 0.0 200101 246 0.2- 0.5+ 200106 246 0.2- 0.1-
191221 033 0.1- 0.3- 200101 246 0.0 0.3- 200106 246 1.4+ 0.5+
191221 033 0.3- 0.2- 200101 246 0.6+ 0.4+ 200106 246 0.5- 0.7-
191221 807 0.0 0.1- 200101 246 0.3+ 0.1+ 200106 246 0.4+ 0.9-
191221 033 0.1- 0.2- 200101 246 0.8- 0.7- 200106 246 0.3+ 0.2-
191221 807 0.1+ 0.2- 200101 246 0.1- 0.4- 200107 H45 1.1- 0.2-
191221 807 0.1+ 0.1- 200102 246 0.9+ 0.7+ 200107 H45 0.2+ 0.2+
191221 I52 0.1+ 0.1+ 200102 246 0.4+ 0.2+ 200107 H45 0.0 0.6-
191221 I52 0.2- 0.2- 200102 246 0.2- 0.0 200107 H45 0.6- 0.1+
191221 I52 0.3- 0.0 200102 246 0.1+ 0.1+ 200107 H45 1.2- 0.4+
191221 711 0.2- 0.1- 200104 I52 0.4+ 0.0 200107 H45 0.4- 0.2-
191221 711 0.6- 0.1+ 200104 I52 0.2+ 0.1+ 200108 I41 1.0+ 0.2+
191221 711 0.2- 0.7- 200104 I52 0.3+ 0.3- 200108 I41 1.0+ 0.2+
191221 033 0.2- 0.1- 200104 I52 0.3+ 0.2+ 200108 I41 1.1+ 0.3+
191221 033 0.2- 0.3- 200105 157 0.2+ 0.2+ 200108 I41 1.1+ 0.2+
Ephemeris:
2019 YD2 a,e,i = 2.37, 0.54, 5 q = 1.0961
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 12 14 07 34 16.1 +16 21 52 0.2929 1.2433 148.4 24.5 20.6
...
2019 12 29 08 29 36.3 +18 55 12 0.2093 1.1717 151.6 23.5 19.8
...
2020 01 06 09 11 07.6 +20 54 50 0.1783 1.1419 150.6 25.0 19.4
...
2020 01 12 09 48 49.1 +22 25 11 0.1619 1.1240 148.1 27.6 19.2
2020 01 13 09 55 35.3 +22 38 52 0.1597 1.1214 147.5 28.1 19.2
2020 01 14 10 02 28.3 +22 51 56 0.1578 1.1190 146.9 28.7 19.2
...
2020 01 20 10 45 23.0 +23 52 21 0.1496 1.1067 142.8 32.5 19.2
...
2020 01 28 11 41 59.8 +24 11 10 0.1477 1.0975 137.1 37.7 19.3
...
2020 02 12 13 02 46.3 +22 14 50 0.1655 1.1029 131.2 42.4 19.7
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-A122
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