[Iaude] MPEC T101: 2019 YL [a=1.32,e=0.28,i=1.4,H=25.55]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sun Oct 8 10:09:45 EDT 2023
M.P.E.C. 2023-T101 Issued 2023 October 8, 14:08 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. 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 YL
Revision to MPEC 2019-Y22
Additional Observations:
K19Y00L ;C2016 08 14.15560 22 11 51.57 -06 34 53.7 22.2 zVET101W84
K19Y00L C2016 09 05.28658 21 44 07.67 -01 11 32.4 21.2 VqET101G96
K19Y00L C2016 09 05.29142 21 44 06.94 -01 11 26.3 20.8 VqET101G96
K19Y00L C2016 09 05.29629 21 44 06.18 -01 11 20.1 21.1 VqET101G96
K19Y00L C2016 09 05.30115 21 44 05.47 -01 11 12.8 21.4 VqET101G96
K19Y00L ;C2016 09 07.16150 21 40 05.80 -00 21 44.7 21.6 zVET101W84
K19Y00L ;C2016 09 08.08340 21 38 01.62 +00 04 10.7 21.4 iVET101W84
K19Y00L ;C2016 09 08.14340 21 37 50.85 +00 05 55.3 21.7 gVET101W84
K19Y00L C2016 09 09.22286 21 35 15.30 +00 36 39.7 VET101G96
K19Y00L C2016 09 09.23187 21 35 13.66 +00 36 54.7 20.9 GVET101G96
Observer details:
G96 Mt. Lemmon Survey. Observers R. G. Matheny, A. R. Gibbs. Measurers E. J.
Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A.
Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C.
Shelly, B. Gray, D. Rankin. 1.5-m reflector + 10K CCD.
W84 Cerro Tololo-DECam. Observer . Measurer P. VanWylen. 4.0-m reflector +
CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
160814 W84 0.02- 0.01- 160909 G96 0.04- 0.02- MPO545156 +0.03 days
Orbital elements:
2019 YL Earth MOID = 0.0108 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 190.58875 (2000.0) P Q
n 0.65121378 Peri. 120.57074 +0.66580778 -0.74574592
a 1.3182173 Node 287.66539 +0.67574336 +0.61618200
e 0.2789878 Incl. 1.42694 +0.31633987 +0.25334315
P 1.51 H 25.55 G 0.15 U 0
Residuals in seconds of arc
160814 W84 0.7- 0.2+ 191219 T08 0.2+ 0.2- 191221 I52 0.1+ 0.1-
160905 G96 0.7- 0.9+ 191219 T05 0.3+ 0.4+ 191223 I52 0.1- 0.1-
160905 G96 0.3- 0.1- 191219 T08 0.1+ 0.2- 191223 I52 0.0 0.2-
160905 G96 0.2- 0.9- 191219 T05 0.0 0.1- 191223 I52 0.4- 0.3+
160905 G96 0.6+ 0.7- 191219 T08 0.2+ 0.7+ 191231 291 0.1- 0.1-
160907 W84 0.3- 0.1+ 191219 T05 0.4- 0.0 191231 291 0.4+ 0.3-
160908 W84 0.0 0.2- 191219 T05 0.4- 1.0+ 191231 291 0.1- 0.0
160908 W84 0.1+ 0.3- 191219 T08 0.3- 0.2- 200101 291 0.4+ 0.2+
160909 G96 0.1- 1.3+ 191219 T05 0.1+ 0.5+ 200101 291 0.2- 0.2-
160909 G96 0.8+ 0.7- 191219 T08 0.2+ 0.1+ 200101 291 0.3- 0.0
191215 F51 0.0 0.1+ 191219 T05 0.2- 0.1- 200104 I52 0.1- 0.0
191219 703 0.0 0.5- 191219 T05 0.2- 0.0 200104 I52 0.2- 0.0
191219 703 0.4+ 0.4+ 191219 T05 0.2- 0.3- 200104 I52 0.1- 0.2+
191219 703 0.5- 0.0 191219 T08 0.3- 0.2- 200104 I52 0.3+ 0.1-
191219 703 0.1+ 0.6- 191219 T08 0.1+ 0.8- 200105 G96 0.4- 0.0
191219 T05 0.0 0.0 191219 T08 0.0 0.1- 200105 G96 0.3+ 0.0
191219 T05 0.1+ 0.7+ 191219 T08 0.1+ 0.2- 200105 G96 0.2+ 0.1+
191219 T05 0.0 0.3+ 191219 T08 0.2- 0.1+ 200105 G96 0.0 0.0
191219 T05 0.0 0.1+ 191219 F51 0.2+ 0.5+ 200114 691 0.1+ 0.4-
191219 T05 0.2+ 0.2+ 191221 I52 0.1+ 0.1- 200114 691 0.0 0.3-
191219 T08 0.3+ 0.2+ 191221 I52 0.0 0.1- 200114 691 0.7+ 0.4-
191219 T05 0.4+ 0.8+ 191221 I52 0.0 0.3+
Ephemeris:
2019 YL a,e,i = 1.32, 0.28, 1 q = 0.9505
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 09 08 13 43 39.5 -11 39 38 2.2662 1.6841 43.5 24.3 29.6
...
2023 09 23 14 17 17.3 -14 33 07 2.3564 1.6760 37.5 21.4 29.6
...
2023 10 01 14 35 48.8 -16 00 04 2.3966 1.6690 34.4 19.8 29.6
...
2023 10 07 14 50 00.6 -17 02 08 2.4231 1.6625 32.0 18.6 29.5
2023 10 08 14 52 24.1 -17 12 12 2.4272 1.6613 31.6 18.4 29.5
2023 10 09 14 54 48.2 -17 22 10 2.4312 1.6601 31.3 18.2 29.5
...
2023 10 15 15 09 22.5 -18 20 07 2.4533 1.6523 28.9 17.0 29.5
...
2023 10 23 15 29 16.1 -19 31 50 2.4776 1.6402 25.8 15.3 29.4
...
2023 11 07 16 08 03.1 -21 26 05 2.5069 1.6126 20.1 12.2 29.3
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-T101
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