[Iaude] MPEC Y144: 2020 YQ4 [a=1.43,e=0.23,i=21.9,H=20.8]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sun Dec 27 10:15:35 EST 2020
M.P.E.C. 2020-Y144 Issued 2020 December 27, 15:14 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 YQ4
Observations:
K20Y04Q* C2020 12 23.48648311 48 38.20 +18 21 42.9 21.08GVEY144G96
K20Y04Q C2020 12 23.49209711 48 39.15 +18 21 53.6 21.63GVEY144G96
K20Y04Q C2020 12 23.49978611 48 40.48 +18 22 08.6 21.51GVEY144G96
K20Y04Q KC2020 12 23.53369511 48 46.35 +18 23 14.1 21.95GVEY144V06
K20Y04Q KC2020 12 23.53607211 48 46.76 +18 23 18.8 21.75GVEY144V06
K20Y04Q KC2020 12 23.53845111 48 47.17 +18 23 23.5 21.95GVEY144V06
K20Y04Q C2020 12 24.51963 11 51 42.50 +18 55 12.4 VEY144G96
K20Y04Q C2020 12 24.52108 11 51 42.80 +18 55 14.3 VEY144G96
K20Y04Q C2020 12 24.52253 11 51 43.02 +18 55 17.2 21.5 GVEY144G96
K20Y04Q mC2020 12 26.54984411 57 40.16 +20 01 54.9 20.95GVEY144G96
K20Y04Q mC2020 12 26.55129311 57 40.44 +20 01 57.9 20.88GVEY144G96
K20Y04Q mC2020 12 26.55418711 57 40.90 +20 02 03.3 20.88GVEY144G96
K20Y04Q bC2020 12 27.09916611 59 16.39 +20 20 05.6 21.3 GVEY144L01
K20Y04Q bC2020 12 27.10505011 59 17.43 +20 20 18.2 21.1 GVEY144L01
K20Y04Q bC2020 12 27.10896611 59 18.12 +20 20 26.2 21.3 GVEY144L01
Observer details:
G96 Mt. Lemmon Survey. Observers D. Rankin, T. A. Pruyne. 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, B. Gray. 1.5-m
reflector + 10K CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
V06 Catalina Sky Survey-Kuiper. 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. 1.55-m reflector +
1K CCD.
Orbital elements:
2020 YQ4 Earth MOID = 0.1478 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 31.47307 (2000.0) P Q
n 0.57813904 Peri. 322.98356 +0.43009741 -0.82444603
a 1.4270785 Node 98.79711 +0.89150215 +0.32365991
e 0.2325672 Incl. 21.85241 +0.14226782 +0.46425532
P 1.70 H 20.8 G 0.15 U 9
Residuals in seconds of arc
201223 G96 0.2+ 0.2+ 201223 V06 0.1- 0.0 201226 G96 0.2+ 0.0
201223 G96 0.1- 0.0 201224 G96 0.2- 0.6+ 201226 G96 0.1- 0.4-
201223 G96 0.1- 0.1+ 201224 G96 0.5+ 0.3- 201227 L01 0.5- 0.4-
201223 V06 0.0 0.2- 201224 G96 0.1+ 0.2- 201227 L01 0.1+ 0.4+
201223 V06 0.0 0.1- 201226 G96 0.3- 0.1- 201227 L01 0.5+ 0.5+
Ephemeris:
2020 YQ4 a,e,i = 1.43, 0.23, 22 q = 1.0952
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 11 27 10 23 34.9 +06 09 39 0.5552 1.1280 89.5 61.0 22.0
...
2020 12 12 11 12 54.6 +12 33 25 0.5222 1.1603 95.8 57.6 21.8
...
2020 12 20 11 38 03.8 +16 31 16 0.5084 1.1810 99.7 55.2 21.7
...
2020 12 26 11 56 03.8 +19 43 46 0.5005 1.1978 102.7 53.2 21.6
2020 12 27 11 58 58.5 +20 16 54 0.4994 1.2007 103.3 52.9 21.6
2020 12 28 12 01 51.6 +20 50 20 0.4983 1.2036 103.8 52.5 21.6
...
2021 01 03 12 18 31.2 +24 16 13 0.4934 1.2217 106.9 50.4 21.6
...
2021 01 11 12 38 38.5 +29 02 12 0.4908 1.2469 111.0 47.4 21.5
...
2021 01 26 13 07 27.4 +38 08 43 0.4988 1.2966 118.1 42.0 21.5
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-Y144
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