[Iaude] MPEC Y132: 2019 YL4 [a=0.97,e=0.17,i=8.1,H=24.3]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Mon Dec 30 23:04:17 EST 2019
M.P.E.C. 2019-Y132 Issued 2019 December 31, 04:02 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2019 YL4
Observations:
K19Y04L* C2019 12 28.44070308 12 11.094+12 08 24.59 21.77wUEY132F51
K19Y04L C2019 12 28.45272308 12 08.949+12 08 57.89 22.00wUEY132F51
K19Y04L C2019 12 28.47670808 12 04.675+12 10 04.61 21.89wUEY132F51
K19Y04L pC2019 12 29.08297708 10 25.32 +12 37 55.5 21.7 GVEY132L01
K19Y04L KC2019 12 29.08612308 10 24.69 +12 38 04.4 21.6 GVEY132L01
K19Y04L pC2019 12 29.09242908 10 23.62 +12 38 23.1 22.0 GVEY132L01
K19Y04L IC2019 12 29.09559408 10 23.01 +12 38 31.5 22.0 GVEY132L01
K19Y04L C2019 12 29.14363 08 10 14.72 +12 40 41.6 21.2 VVEY132033
K19Y04L C2019 12 29.14720 08 10 14.09 +12 40 51.3 20.4 VVEY132033
K19Y04L |C2019 12 30.20761 08 07 17.10 +13 32 47.5 21.2 GVEY132807
K19Y04L |C2019 12 30.21324 08 07 16.02 +13 33 04.1 21.2 GVEY132807
K19Y04L |C2019 12 30.21889 08 07 14.93 +13 33 20.8 21.3 GVEY132807
K19Y04L C2019 12 30.95719 08 05 04.44 +14 08 29.3 22.5 VVEY132033
K19Y04L C2019 12 30.96076 08 05 03.77 +14 08 40.2 23.2 VVEY132033
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, U. Laux,
B. Stecklum, F. Ludwig. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
1.00-m f/10.0 astrograph + 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.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector +
CCD.
Orbital elements:
2019 YL4 Earth MOID = 0.1247 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Pan
M 332.84470 (2000.0) P Q
n 1.02884723 Peri. 176.43204 +0.24658551 +0.95982196
a 0.9717819 Node 107.80868 -0.89259715 +0.27875973
e 0.1689717 Incl. 8.08668 -0.37744657 -0.03216866
P 0.96 H 24.3 G 0.15 U 8
Residuals in seconds of arc
191228 F51 0.1- 0.1+ 191229 L01 0.4+ 0.6+ 191230 807 0.2- 0.1+
191228 F51 0.1- 0.1- 191229 L01 0.2- 0.2+ 191230 807 0.2- 0.2+
191228 F51 0.2+ 0.0 191229 033 0.2+ 0.1- 191230 033 0.1+ 0.1-
191229 L01 0.5+ 0.5- 191229 033 0.2+ 0.4- 191230 033 0.4+ 0.1+
191229 L01 0.5- 0.4- 191230 807 0.3- 0.0
Ephemeris:
2019 YL4 a,e,i = 0.97, 0.17, 8 q = 0.8076
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 12 01 08 39 16.9 +00 16 02 0.2501 1.1142 114.7 53.5 23.5
...
2019 12 16 08 34 27.9 +04 40 33 0.2013 1.1292 132.1 40.3 22.7
...
2019 12 24 08 22 30.0 +09 00 03 0.1784 1.1336 144.5 30.2 22.1
...
2019 12 30 08 07 52.1 +13 22 05 0.1647 1.1354 155.6 21.0 21.7
2019 12 31 08 04 55.8 +14 11 08 0.1628 1.1356 157.6 19.3 21.6
2020 01 01 08 01 51.1 +15 01 32 0.1611 1.1357 159.6 17.6 21.5
...
2020 01 07 07 40 35.4 +20 25 55 0.1535 1.1356 172.3 6.6 21.0
...
2020 01 15 07 06 37.1 +27 50 45 0.1520 1.1332 169.4 9.2 21.1
...
2020 01 30 06 04 42.5 +38 13 07 0.1735 1.1223 139.3 34.9 22.2
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-Y132
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