MPEC 2020-A21 : 2019 YR5
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M.P.E.C. 2020-A21 Issued 2020 January 1, 21:28 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 YR5
Observations:
K19Y05R* C2019 12 24.51206810 08 07.728+11 00 00.21 21.77wUEA021F51
K19Y05R C2019 12 24.52421810 08 05.902+11 00 20.06 21.76wUEA021F51
K19Y05R C2019 12 24.53640510 08 04.092+11 00 39.95 22.26wUEA021F51
K19Y05R C2019 12 24.54867510 08 02.222+11 01 00.07 21.70wUEA021F51
K19Y05R bC2019 12 25.07169710 06 45.36 +11 15 11.5 21.6 GVEA021L01
K19Y05R bC2019 12 25.07721510 06 44.51 +11 15 20.9 21.8 GVEA021L01
K19Y05R bC2019 12 25.08193510 06 43.84 +11 15 28.5 21.9 GVEA021L01
K19Y05R KC2019 12 26.08469 10 04 14.11 +11 42 53.1 21.5 GVEA021204
K19Y05R KC2019 12 26.14035 10 04 05.48 +11 44 24.9 VEA021204
K19Y05R KC2019 12 26.32972 10 03 37.38 +11 49 38.3 21.8 RoEA021291
K19Y05R KC2019 12 26.33443 10 03 36.63 +11 49 46.3 21.8 RoEA021291
K19Y05R KC2019 12 26.33915 10 03 35.89 +11 49 53.8 22.3 RoEA021291
K19Y05R C2020 01 01.36564809 47 31.03 +14 35 35.4 21.5 GVEA021H01
K19Y05R C2020 01 01.37270809 47 29.83 +14 35 47.1 21.1 GVEA021H01
K19Y05R C2020 01 01.38308209 47 28.04 +14 36 04.2 21.4 GVEA021H01
K19Y05R C2020 01 01.39175209 47 26.57 +14 36 18.4 21.1 GVEA021H01
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector + CCD.
291 LPL/Spacewatch II. Observer M. J. Brucker. 1.8-m f/2.7 reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, M.
Willman. Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R.
Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + 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.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector +
CCD.
Orbital elements:
2019 YR5 Earth MOID = 0.1071 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 54.46490 (2000.0) P Q
n 0.23135118 Peri. 226.47748 +0.92662063 +0.22973444
a 2.6279771 Node 118.13342 -0.16453011 +0.95956115
e 0.8719510 Incl. 19.72645 -0.33808882 +0.16267906
P 4.26 H 20.0 G 0.15 U 8
Residuals in seconds of arc
191224 F51 0.0 0.0 191225 L01 0.4+ 0.5+ 200101 H01 0.1- 0.1-
191224 F51 0.1- 0.0 191226 204 0.3+ 0.4- 200101 H01 0.1+ 0.0
191224 F51 0.2+ 0.1- 191226 204 0.4- 0.2- 200101 H01 0.1- 0.1+
191224 F51 0.2- 0.1- 191226 291 0.3+ 0.0 200101 H01 0.1+ 0.0
191225 L01 0.0 0.3+ 191226 291 0.0 0.2+
191225 L01 0.2- 0.7+ 191226 291 0.2- 0.1-
Ephemeris:
2019 YR5 a,e,i = 2.63, 0.87, 20 q = 0.3365
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 12 02 10 49 01.6 +01 49 29 0.7754 1.2144 86.3 54.1 21.8
...
2019 12 17 10 24 49.6 +07 41 03 0.7760 1.4406 109.3 40.1 21.8
...
2019 12 25 10 06 55.9 +11 13 19 0.7821 1.5536 122.8 32.1 21.8
...
2019 12 31 09 51 17.7 +13 58 11 0.7947 1.6352 133.5 25.9 21.7
2020 01 01 09 48 32.1 +14 25 37 0.7977 1.6486 135.3 24.8 21.7
2020 01 02 09 45 44.2 +14 52 57 0.8009 1.6619 137.1 23.8 21.7
...
2020 01 08 09 28 20.7 +17 32 40 0.8269 1.7403 147.9 17.5 21.7
...
2020 01 16 09 04 34.3 +20 44 37 0.8804 1.8414 162.1 9.5 21.7
...
2020 01 31 08 24 20.1 +25 05 23 1.0434 2.0213 170.3 4.7 22.0
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-A21
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