[Iaude] MPEC Y66: 2020 YL1 [a=1.97,e=0.60,i=48.7,H=20.6,PHA]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Mon Dec 21 08:11:42 EST 2020
M.P.E.C. 2020-Y66 Issued 2020 December 21, 13:10 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
2020 YL1
Observations:
K20Y01L* C2020 12 19.37527308 19 30.63 +48 24 28.5 20.33GVEY066G96
K20Y01L C2020 12 19.38043108 19 27.61 +48 24 11.3 20.02GVEY066G96
K20Y01L C2020 12 19.38560408 19 24.52 +48 23 53.3 20.05GVEY066G96
K20Y01L C2020 12 19.39076708 19 21.46 +48 23 36.1 19.97GVEY066G96
K20Y01L mC2020 12 19.52049508 18 04.75 +48 16 07.8 20.22GVEY066I52
K20Y01L mC2020 12 19.52208708 18 03.75 +48 16 02.4 20.10GVEY066I52
K20Y01L mC2020 12 19.52368108 18 02.83 +48 15 57.1 20.12GVEY066I52
K20Y01L mC2020 12 19.52527308 18 01.93 +48 15 51.3 20.32GVEY066I52
K20Y01L 1C2020 12 19.85056 08 14 56.38 +47 56 49.9 21.9 VVEY066033
K20Y01L 1C2020 12 19.85189 08 14 55.64 +47 56 45.3 21.8 VVEY066033
K20Y01L 1C2020 12 19.93753 08 14 06.23 +47 51 48.7 20.5 GVEY066246
K20Y01L 1C2020 12 19.93829 08 14 05.77 +47 51 46.7 VEY066246
K20Y01L 1C2020 12 19.93856 08 14 05.61 +47 51 45.5 VEY066246
K20Y01L 1C2020 12 19.93884 08 14 05.41 +47 51 45.2 VEY066246
K20Y01L 1C2020 12 19.93912 08 14 05.23 +47 51 43.8 VEY066246
K20Y01L 1C2020 12 19.93940 08 14 05.05 +47 51 43.9 VEY066246
K20Y01L 1C2020 12 19.93975 08 14 04.90 +47 51 41.2 VEY066246
K20Y01L 1C2020 12 19.94001 08 14 04.75 +47 51 40.5 VEY066246
K20Y01L mC2020 12 20.25660608 11 04.73 +47 32 57.3 20.06GVEY066I52
K20Y01L mC2020 12 20.25737308 11 04.34 +47 32 54.5 20.14GVEY066I52
K20Y01L mC2020 12 20.25814008 11 03.84 +47 32 51.0 VEY066I52
K20Y01L KC2020 12 20.28438 08 10 48.46 +47 31 19.4 20.3 GVEY066H36
K20Y01L KC2020 12 20.29524 08 10 42.17 +47 30 39.8 20.3 GVEY066H36
K20Y01L KC2020 12 20.30608 08 10 35.89 +47 30 01.5 20.3 GVEY066H36
K20Y01L 1C2020 12 21.09740 08 03 13.43 +46 41 34.5 20.6 VVEY066033
K20Y01L 1C2020 12 21.09925 08 03 12.40 +46 41 27.5 20.5 VVEY066033
K20Y01L 1C2020 12 21.10111 08 03 11.35 +46 41 20.4 20.5 VVEY066033
K20Y01L mC2020 12 21.32659308 01 08.85 +46 27 19.7 20.43GVEY066I52
K20Y01L mC2020 12 21.32736008 01 08.40 +46 27 17.0 20.81GVEY066I52
K20Y01L mC2020 12 21.33063508 01 06.56 +46 27 04.2 VEY066I52
K20Y01L mC2020 12 21.33140108 01 06.11 +46 27 01.2 VEY066I52
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, U.
Laux, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha. Measurer M.
Tichy. 1.06-m f/2.7 reflector + 2048x2048 CCD.
G96 Mt. Lemmon Survey. Observer D. Rankin. Measurers E. J. Christensen, G.
A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A.
Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D. Rankin, R. L.
Seaman, F. C. Shelly, K. W. Wierzchos. 1.5-m reflector + 10K CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer G. J. Leonard.
Measurers E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A.
Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m
reflector + CCD.
Orbital elements:
2020 YL1 PHA, Earth MOID = 0.0280 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 28.81558 (2000.0) P Q
n 0.35775364 Peri. 70.90536 +0.68243595 -0.00836605
a 1.9652298 Node 283.36483 -0.44211821 +0.79155671
e 0.5999269 Incl. 48.69814 +0.58207617 +0.61103845
P 2.75 H 20.6 G 0.15 U 8
Residuals in seconds of arc
201219 G96 0.3- 0.3- 201219 246 0.4+ 0.2+ 201220 H36 0.0 0.6-
201219 G96 0.1+ 0.1+ 201219 246 0.3+ 0.0 201220 H36 0.4- 0.2-
201219 G96 0.1- 0.3- 201219 246 0.1- 0.7+ 201221 033 0.0 0.2-
201219 G96 0.0 0.1+ 201219 246 0.2- 0.2+ 201221 033 0.0 0.3-
201219 I52 0.2+ 0.2- 201219 246 0.4- 1.3+ 201221 033 0.1- 0.4-
201219 I52 0.4- 0.1- 201219 246 0.1+ 0.2- 201221 I52 0.4+ 0.4+
201219 I52 0.2- 0.2+ 201219 246 0.1+ 0.0 201221 I52 0.1+ 0.6+
201219 I52 0.2+ 0.0 201220 I52 0.3- 0.1- 201221 I52 0.1- 0.1+
201219 033 0.1- 0.1+ 201220 I52 0.2+ 0.2- 201221 I52 0.4- 0.1-
201219 033 0.1+ 0.1+ 201220 I52 0.4- 1.0-
201219 246 0.6+ 0.4- 201220 H36 0.5+ 0.3+
Ephemeris:
2020 YL1 a,e,i = 1.97, 0.60, 49 q = 0.7862
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 11 21 12 28 44.7 +53 40 18 0.5827 1.1019 85.0 63.3 21.9
...
2020 12 06 10 38 18.6 +55 14 06 0.4852 1.2385 110.0 48.4 21.3
...
2020 12 14 09 15 00.9 +52 35 06 0.4525 1.3121 127.9 36.3 20.9
...
2020 12 20 08 13 30.0 +47 48 14 0.4467 1.3670 142.9 25.7 20.7
2020 12 21 08 04 07.9 +46 47 43 0.4476 1.3761 145.5 23.9 20.7
2020 12 22 07 55 05.9 +45 44 20 0.4492 1.3852 148.0 22.1 20.6
...
2020 12 28 07 08 34.1 +38 45 56 0.4713 1.4395 162.3 12.0 20.5
...
2021 01 05 06 25 54.7 +29 28 48 0.5337 1.5108 169.2 7.0 20.7
...
2021 01 20 05 46 15.3 +16 58 50 0.7286 1.6407 146.3 19.4 22.0
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-Y66
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