MPEC 2023-H219 : 2011 LY20
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M.P.E.C. 2023-H219 Issued 2023 April 27, 16:26 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2011 LY20
Additional Observations:
K11L20Y 1C2023 04 14.40209215 12 13.414+23 35 34.62 21.10GVEH219G96
K11L20Y 1C2023 04 14.40723515 12 13.151+23 35 33.07 21.51GVEH219G96
K11L20Y 1C2023 04 14.41238515 12 12.848+23 35 30.26 21.35GVEH219G96
K11L20Y 1C2023 04 14.41753015 12 12.539+23 35 28.18 21.79GVEH219G96
K11L20Y C2023 04 15.58393315 11 16.219+23 27 10.58 21.48wUEH219F52
K11L20Y C2023 04 15.59437215 11 15.585+23 27 05.19 21.58wUEH219F52
K11L20Y C2023 04 15.60474715 11 14.950+23 27 00.09 21.34wUEH219F52
K11L20Y 1C2023 04 27.33536914 58 24.632+20 48 00.36 20.34GVEH219G96
K11L20Y 1C2023 04 27.34051414 58 24.161+20 47 54.74 21.19GVEH219G96
K11L20Y 1C2023 04 27.34564614 58 23.725+20 47 48.48 20.93GVEH219G96
K11L20Y 1C2023 04 27.35078214 58 23.254+20 47 42.54 20.97GVEH219G96
Observer details:
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, I.
Smith. Measurers K. Chambers, S. Chastel, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observers J. K. Hogan, J. B. Fazekas. Measurers E. J.
Christensen, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J. Leonard, D.
Rankin, R. L. Seaman, A. Serrano, F. C. Shelly, K. W. Wierzchos. 1.5-m
reflector + 10K CCD.
Orbital elements:
2011 LY20 Earth MOID = 0.2766 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 339.39602 (2000.0) P Q
n 0.57375273 Peri. 113.59544 -0.94430891 +0.27525588
a 1.4343425 Node 82.77643 -0.32662797 -0.85057103
e 0.1371008 Incl. 10.47238 +0.03993545 -0.44806598
P 1.72 H 22.37 G 0.15 U 2
Residuals in seconds of arc
110606 F51 0.2- 0.3- 110607 291 0.2- 0.2- 230415 F52 0.1+ 0.1+
110606 F51 0.4- 0.2- 110607 291 0.3+ 0.0 230415 F52 0.1+ 0.1-
110606 F51 0.4- 0.4- 110607 291 0.0 0.2+ 230415 F52 0.1- 0.0
110607 G96 0.3- 0.3- 230414 G96 0.3- 0.1- 230427 G96 0.0 0.3-
110607 G96 0.4- 0.1+ 230414 G96 0.2+ 0.5+ 230427 G96 0.2- 0.2+
110607 G96 0.2+ 0.3- 230414 G96 0.0 0.2- 230427 G96 0.1+ 0.0
110607 G96 0.8+ 0.7+ 230414 G96 0.2- 0.2- 230427 G96 0.1- 0.1+
Ephemeris:
2011 LY20 a,e,i = 1.43, 0.14, 10 q = 1.2377
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 28 15 15 49.7 +23 40 42 0.3290 1.2380 130.8 37.6 21.9
...
2023 04 12 15 13 53.3 +23 49 09 0.2993 1.2390 137.4 33.2 21.6
...
2023 04 20 15 07 06.6 +22 43 54 0.2884 1.2420 141.0 30.6 21.5
...
2023 04 26 15 00 06.7 +21 13 26 0.2833 1.2453 143.5 28.7 21.4
2023 04 27 14 58 50.5 +20 54 40 0.2827 1.2459 143.9 28.4 21.4
2023 04 28 14 57 33.1 +20 34 50 0.2823 1.2466 144.3 28.1 21.3
...
2023 05 04 14 49 35.3 +18 14 10 0.2812 1.2511 146.0 26.8 21.3
...
2023 05 12 14 39 19.6 +14 14 39 0.2853 1.2584 146.8 26.1 21.3
...
2023 05 27 14 25 54.2 +05 03 52 0.3119 1.2757 142.9 28.6 21.6
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-H219
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