[Iaude] MPEC Y107: 2020 YL1 [a=1.98,e=0.60,i=48.9,H=20.43]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sat Dec 30 09:12:04 EST 2023
M.P.E.C. 2023-Y107 Issued 2023 December 30, 14:10 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
2020 YL1
Revision to MPEC 2020-Y66
Additional Observations:
K20Y01L 0C2023 10 16.62997709 25 54.671+18 59 09.93 23.33GVEY107T14
K20Y01L 0C2023 10 16.63362009 25 54.822+18 59 04.70 23.33GVEY107T14
K20Y01L 0C2023 10 16.63727909 25 54.976+18 58 59.43 23.15GVEY107T14
K20Y01L KC2023 11 22.63701109 31 34.997+04 08 27.10 22.90GVEY107F51
K20Y01L KC2023 12 10.61085609 14 52.319-03 00 49.35 22.56GVEY107F52
K20Y01L KC2023 12 18.55658809 02 37.433-05 58 59.39 23.44GVEY107F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Herman, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, 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.
F52 Pan-STARRS 2, Haleakala. Observers J. Herman, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, 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.
T14 Canada-France-Hawaii Telescope, Maunakea. Observer H. Januszewski.
Measurer D. J. Tholen. 3.6-m f/4.1 reflector + 1024 x 2306 pixels
Megacam.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
231016 T14 0.01+ 0.06+ 231218 F51 0.02+ 0.04+ E2023-R94 -0.16 days
Orbital elements:
2020 YL1 PHA, Earth MOID = 0.0337 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 21.50597 (2000.0) P Q
n 0.35317042 Peri. 71.22362 +0.67946068 -0.01215881
a 1.9821956 Node 283.30964 -0.43990116 +0.79347227
e 0.6026823 Incl. 48.92583 +0.58721389 +0.60848494
P 2.79 H 20.43 G 0.15 U 0
Residuals in seconds of arc
201120 G96 0.1- 0.1- 201221 033 0.2- 0.2- 201227 695 0.0 0.4+
201120 G96 0.5- 0.2- 201221 033 0.2- 0.3- 210102 695 0.4- 0.2+
201208 F52 0.1+ 0.1+ 201221 033 0.3- 0.4- 210102 695 0.2- 0.1+
201208 F52 0.5+ 0.1+ 201221 I52 0.1+ 0.4+ 210102 695 0.3- 0.3+
201208 F52 0.2+ 0.2- 201221 I52 0.0 0.6+ 210102 F65 0.2- 0.0
201219 G96 0.1- 0.1- 201221 I52 0.4- 0.1+ 210102 F65 0.2- 0.0
201219 G96 0.2+ 0.1+ 201221 I52 0.6- 0.0 210102 F65 0.0 0.2-
201219 G96 0.1+ 0.2- 201222 291 0.0 0.0 210102 I52 0.1- 0.1-
201219 G96 0.1+ 0.2+ 201222 291 0.0 0.1- 210102 I52 0.3+ 0.1+
201219 I52 0.3+ 0.1- 201222 291 0.1+ 0.1+ 210102 I52 0.0 0.0
201219 I52 0.3- 0.1+ 201223 I52 0.1- 0.1- 210102 I52 0.1+ 0.0
201219 I52 0.1- 0.3+ 201223 I52 0.5- 0.2+ 210103 291 0.0 0.0
201219 I52 0.2+ 0.1+ 201223 I52 0.1+ 0.3+ 210103 291 0.0 0.6+
201219 033 0.0 0.2+ 201223 I52 0.2- 0.0 210103 I52 0.0 0.2+
201219 033 0.2+ 0.2+ 201224 I52 0.3- 0.1+ 210103 I52 0.3+ 0.0
201219 246 0.7+ 0.3- 201224 I52 0.2+ 0.2- 210103 I52 0.1- 0.2+
201219 246 0.4+ 0.3+ 201224 I52 0.0 0.1- 210104 691 0.0 0.1+
201219 246 0.4+ 0.1+ 201224 695 0.2+ 0.6+ 210104 691 0.3+ 0.1+
201219 246 0.0 0.8+ 201224 695 0.3+ 0.6+ 210104 691 0.1- 0.0
201219 246 0.2- 0.3+ 201225 F51 0.1+ 0.0 210118 G96 0.4+ 0.2+
201219 246 0.3- 1.4+ 201226 I52 0.1+ 0.2- 210118 G96 0.4+ 0.0
201219 246 0.2+ 0.1- 201226 I52 0.1- 0.0 210118 G96 0.3- 0.5-
201219 246 0.2+ 0.1+ 201226 I52 0.1+ 0.1- 231016 T14 0.0 0.0
201220 I52 0.2- 0.1- 201227 I52 0.0 0.2+ 231016 T14 0.0 0.0
201220 I52 0.3+ 0.1- 201227 I52 0.2+ 0.1+ 231016 T14 0.0 0.0
201220 I52 0.4- 0.9- 201227 I52 (1.1+ 0.1-) 231122 F51 0.2+ 0.3-
201220 H36 0.5+ 0.4+ 201227 I52 0.1+ 0.2- 231210 F52 0.1- 0.2+
201220 H36 0.1+ 0.5- 201227 695 0.0 0.3+ 231218 F51 0.1+ 0.0
201220 H36 0.4- 0.1- 201227 695 0.0 0.4+
Ephemeris:
2020 YL1 a,e,i = 1.98, 0.60, 49 q = 0.7876
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 11 30 09 26 32.8 +01 10 40 1.3490 1.8438 103.2 31.4 23.7
...
2023 12 15 09 08 28.2 -04 40 45 1.2797 1.9587 119.2 26.0 23.6
...
2023 12 23 08 54 33.0 -07 31 51 1.2589 2.0174 127.8 22.7 23.5
...
2023 12 29 08 42 27.6 -09 26 40 1.2536 2.0603 133.8 20.2 23.5
2023 12 30 08 40 19.9 -09 44 23 1.2537 2.0674 134.7 19.8 23.5
2023 12 31 08 38 10.5 -10 01 40 1.2541 2.0744 135.6 19.4 23.5
...
2024 01 06 08 24 46.9 -11 35 16 1.2625 2.1160 140.5 17.2 23.5
...
2024 01 14 08 06 21.8 -13 10 08 1.2914 2.1700 144.7 15.2 23.5
...
2024 01 29 07 34 15.4 -14 32 50 1.4001 2.2667 143.2 15.1 23.8
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-Y107
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