[Iaude] MPEC Y73: 2020 YS1 [a=2.58,e=0.66,i=2.7,H=26.1]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Mon Dec 21 08:26:28 EST 2020
M.P.E.C. 2020-Y73 Issued 2020 December 21, 13:25 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 YS1
Observations:
K20Y01S C2020 12 16.39437 08 52 09.08 -10 22 01.1 19.7 GVEY073703
K20Y01S C2020 12 16.39963 08 52 00.60 -10 19 32.6 19.2 GVEY073703
K20Y01S C2020 12 16.41014 08 51 43.89 -10 14 39.0 VEY073703
K20Y01S* C2020 12 20.37425908 10 47.56 +03 26 27.6 20.56GVEY073G96
K20Y01S C2020 12 20.38062808 10 45.40 +03 27 01.7 20.75GVEY073G96
K20Y01S C2020 12 20.38574108 10 43.70 +03 27 29.4 20.58GVEY073G96
K20Y01S KC2020 12 20.50256808 10 05.59 +03 37 43.4 VEY073I52
K20Y01S KC2020 12 20.50383108 10 05.18 +03 37 50.0 21.24GVEY073I52
K20Y01S KC2020 12 20.50509308 10 04.74 +03 37 56.2 20.79GVEY073I52
K20Y01S 1C2020 12 21.12360 08 07 39.45 +04 26 24.1 21.8 VVEY073033
K20Y01S 1C2020 12 21.12610 08 07 38.77 +04 26 34.6 21.7 VVEY073033
K20Y01S KC2020 12 21.31814808 07 04.45 +04 40 58.2 21.07GVEY073I52
K20Y01S KC2020 12 21.31982808 07 04.02 +04 41 05.7 20.53GVEY073I52
K20Y01S KC2020 12 21.32150608 07 03.55 +04 41 13.4 20.41GVEY073I52
K20Y01S KC2020 12 21.32318508 07 03.17 +04 41 19.8 20.79GVEY073I52
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, U.
Laux, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
703 Catalina Sky Survey. Observer R. A. Kowalski. Measurers D. Rankin, B.
Gray, F. C. Shelly. 1.5-m reflector + 10K 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.
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 YS1 Earth MOID = 0.0073 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 7.40960 (2000.0) P Q
n 0.23745654 Peri. 148.62429 +0.73512481 -0.67645515
a 2.5827357 Node 254.01213 +0.61195876 +0.69052615
e 0.6554365 Incl. 2.66637 +0.29171559 +0.25608997
P 4.15 H 26.10 G 0.15 U 8
Residuals in seconds of arc
201216 703 0.7+ 0.4- 201220 G96 0.1+ 0.2+ 201221 033 0.4- 0.3-
201216 703 0.5- 0.4+ 201220 I52 0.5+ 0.0- 201221 I52 0.2- 0.5-
201216 703 0.4- 0.0- 201220 I52 0.2+ 0.1+ 201221 I52 0.0+ 0.1-
201220 G96 0.2+ 0.1+ 201220 I52 0.5- 0.2- 201221 I52 0.4- 0.6+
201220 G96 0.1- 0.1- 201221 033 0.1- 0.1+ 201221 I52 0.6+ 0.1-
Ephemeris:
2020 YS1 a,e,i = 2.58, 0.66, 3 q = 0.8899
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 11 21 19 23 45.2 -16 09 04 0.1671 0.8937 51.6 120.0 26.8
...
2020 12 06 19 15 48.2 -20 39 03 0.05748 0.9380 33.7 144.4 27.2
...
2020 12 14 12 14 24.6 -49 03 01 0.0098940.9802 64.9 114.6 20.5
...
2020 12 20 08 12 32.6 +02 52 31 0.04459 1.0186 140.4 38.0 20.9
2020 12 21 08 08 10.4 +04 19 13 0.05160 1.0254 143.0 35.2 21.2
2020 12 22 08 04 46.5 +05 25 46 0.05866 1.0324 145.3 32.9 21.4
...
2020 12 28 07 53 22.9 +08 58 26 0.1020 1.0767 155.1 22.7 22.4
...
2021 01 05 07 45 58.1 +11 02 26 0.1626 1.1408 164.6 13.3 23.2
...
2021 01 20 07 38 59.6 +13 10 27 0.2908 1.2714 170.1 7.6 24.5
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-Y73
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