[Iaude] MPEC Y136: 2020 YK4 [a=1.09,e=0.05,i=29.2,H=25.0]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sat Dec 26 18:08:29 EST 2020
M.P.E.C. 2020-Y136 Issued 2020 December 26, 23:07 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 YK4
Observations:
K20Y04K C2020 12 22.33134 07 46 21.76 -08 09 02.7 VEY136G96
K20Y04K C2020 12 22.33653 07 46 20.87 -08 07 12.8 VEY136G96
K20Y04K* C2020 12 26.22207407 35 37.12 +21 26 21.7 19.20GVEY136G96
K20Y04K C2020 12 26.23229207 35 34.39 +21 31 50.8 19.89GVEY136G96
K20Y04K C2020 12 26.23739807 35 33.06 +21 34 35.1 19.36GVEY136G96
K20Y04K KC2020 12 26.27853 07 35 19.27 +21 56 30.9 19.7 RqEY136H36
K20Y04K KC2020 12 26.28382 07 35 17.81 +21 59 19.9 19.6 RqEY136H36
K20Y04K KC2020 12 26.28910 07 35 16.37 +22 02 09.3 19.2 RqEY136H36
K20Y04K KC2020 12 26.29437 07 35 14.86 +22 04 58.7 19.3 RqEY136H36
K20Y04K KC2020 12 26.29812207 35 16.34 +22 07 11.4 19.38GVEY136I52
K20Y04K KC2020 12 26.29985607 35 15.85 +22 08 07.3 18.94GVEY136I52
K20Y04K KC2020 12 26.30158707 35 15.37 +22 09 02.9 19.39GVEY136I52
K20Y04K KC2020 12 26.43422807 34 37.13 +23 20 01.6 19.26GVEY136I52
K20Y04K KC2020 12 26.43595907 34 36.63 +23 20 57.0 19.60GVEY136I52
K20Y04K KC2020 12 26.43769107 34 36.16 +23 21 52.4 19.40GVEY136I52
K20Y04K KC2020 12 26.43942607 34 35.66 +23 22 47.9 18.98GVEY136I52
K20Y04K bC2020 12 26.84138407 33 11.18 +26 57 56.3 19.5 GVEY136L01
K20Y04K bC2020 12 26.84388207 33 10.48 +26 59 17.2 19.2 GVEY136L01
K20Y04K bC2020 12 26.84642607 33 09.75 +27 00 39.3 19.3 GVEY136L01
Observer details:
G96 Mt. Lemmon Survey. Observers D. Rankin, T. A. Pruyne. Measurers E. J.
Christensen, B. Gray, D. Rankin, F. C. Shelly, 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, R. L. Seaman, 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 K. W. Wierzchos.
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.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
Orbital elements:
2020 YK4 Earth MOID = 0.0535 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 358.70975 (2000.0) P Q
n 0.86499574 Peri. 352.57936 +0.01613745 -0.87445608
a 1.0909213 Node 95.56277 +0.94057061 -0.15123003
e 0.0498540 Incl. 29.15214 +0.33921455 +0.46092954
P 1.14 H 25.0 G 0.15 U 7
Residuals in seconds of arc
201222 G96 0.3+ 0.3+ 201226 H36 0.1+ 0.7+ 201226 I52 0.2+ 0.3-
201222 G96 0.1- 0.3- 201226 H36 0.3- 0.8+ 201226 I52 0.2+ 0.3-
201226 G96 0.3+ 0.3- 201226 I52 0.0 0.5- 201226 L01 0.5+ 0.6+
201226 G96 0.2- 0.6- 201226 I52 0.0 0.4- 201226 L01 0.3+ 0.2+
201226 G96 0.2+ 0.8- 201226 I52 0.1+ 0.6- 201226 L01 0.1- 0.5-
201226 H36 0.8- 1.8+ 201226 I52 0.1- 0.2-
201226 H36 0.5- 0.8+ 201226 I52 0.1- 0.3-
Ephemeris:
2020 YK4 a,e,i = 1.09, 0.05, 29 q = 1.0365
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 11 26 07 55 48.5 -48 29 38 0.2667 1.0400 94.0 71.2 24.7
...
2020 12 11 07 57 21.0 -39 41 19 0.1491 1.0369 106.5 65.6 23.3
...
2020 12 19 07 51 42.6 -23 25 14 0.08865 1.0365 124.4 51.6 21.7
...
2020 12 25 07 39 37.9 +10 54 24 0.05799 1.0368 156.2 22.5 20.0
2020 12 26 07 36 18.8 +19 28 47 0.05619 1.0369 161.6 17.4 19.7
2020 12 27 07 32 24.1 +28 23 58 0.05575 1.0370 163.7 15.4 19.7
...
2021 01 02 06 43 37.2 +70 00 52 0.07802 1.0380 132.9 43.9 21.2
...
2021 01 10 00 48 00.8 +84 12 15 0.1362 1.0399 110.9 62.0 23.0
...
2021 01 25 21 31 00.5 +77 23 31 0.2545 1.0458 96.9 69.2 24.6
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-Y136
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