[Iaude] MPEC Y47: 2020 YU [a=0.77,e=0.40,i=31.6,H=25.6]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Fri Dec 18 18:34:47 EST 2020
M.P.E.C. 2020-Y47 Issued 2020 December 18, 23:33 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 YU
Observations:
K20Y00U C2020 12 17.32292 09 57 27.35 +45 55 08.9 19.4 GVEY047703
K20Y00U C2020 12 17.33366 09 57 14.50 +45 52 47.0 VEY047703
K20Y00U* C2020 12 18.44619409 28 11.22 +38 57 02.3 18.71GVEY047G96
K20Y00U C2020 12 18.45249809 27 56.36 +38 53 17.9 18.73GVEY047G96
K20Y00U C2020 12 18.46513009 27 26.51 +38 45 43.1 18.86GVEY047G96
K20Y00U KC2020 12 18.47968509 26 51.73 +38 36 49.7 18.18GVEY047I52
K20Y00U KC2020 12 18.48016609 26 50.56 +38 36 31.3 18.48GVEY047I52
K20Y00U KC2020 12 18.48064509 26 49.41 +38 36 13.5 18.00GVEY047I52
K20Y00U KC2020 12 18.48112509 26 48.29 +38 35 56.2 18.20GVEY047I52
K20Y00U KC2020 12 18.53282409 24 42.36 +38 02 53.6 17.87GVEY047I52
K20Y00U KC2020 12 18.53341009 24 40.91 +38 02 30.2 17.85GVEY047I52
K20Y00U KC2020 12 18.53399309 24 39.47 +38 02 07.2 17.98GVEY047I52
K20Y00U KC2020 12 18.53457409 24 38.04 +38 01 44.1 17.80GVEY047I52
K20Y00U C2020 12 18.78067 09 15 04.93 +34 56 30.3 18.4 GVEY047N88
K20Y00U C2020 12 18.78096 09 15 04.04 +34 56 14.5 18.5 GVEY047N88
K20Y00U C2020 12 18.78127 09 15 03.18 +34 55 59.6 18.4 GVEY047N88
K20Y00U C2020 12 18.78159 09 15 02.33 +34 55 44.4 18.7 GVEY047N88
K20Y00U C2020 12 18.78189 09 15 01.43 +34 55 28.8 18.5 GVEY047N88
K20Y00U 1C2020 12 18.90535 09 09 18.05 +32 59 55.1 19.4 VVEY047033
K20Y00U 1C2020 12 18.90570 09 09 16.99 +32 59 35.1 19.5 VVEY047033
K20Y00U 1C2020 12 18.90604 09 09 15.96 +32 59 14.8 19.5 VVEY047033
K20Y00U KC2020 12 18.91879 09 08 37.20 +32 46 55.8 17.5 RVEY047113
K20Y00U KC2020 12 18.92004 09 08 33.36 +32 45 42.2 17.4 RVEY047113
K20Y00U KC2020 12 18.92128 09 08 29.57 +32 44 28.8 17.4 RVEY047113
K20Y00U KC2020 12 18.92253 09 08 25.72 +32 43 14.7 17.3 RVEY047113
K20Y00U KC2020 12 18.92378 09 08 21.94 +32 42 01.1 17.4 RVEY047113
K20Y00U KC2020 12 18.92503 09 08 18.08 +32 40 47.0 17.5 RVEY047113
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, U.
Laux, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
113 Volkssternwarte Drebach, Schoenbrunn. Observer G. Lehmann. 0.5-m f/4.6
reflector + CCD.
703 Catalina Sky Survey. Observer K. W. Wierzchos. Measurers K. W.
Wierzchos, B. Gray, D. Rankin, F. C. Shelly. 1.5-m reflector + 10K CCD.
G96 Mt. Lemmon Survey. Observer 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. 1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station. 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. 1.0-m reflector +
CCD.
N88 Xingming Observatory #3, Nanshan. Observer X. Gao. Measurer Q.-Z. Ye.
0.6-m f/8 Ritchey-Chretien + CCD.
Orbital elements:
2020 YU Earth MOID = 0.0075 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 236.93900 (2000.0) P Q
n 1.45740391 Peri. 330.20548 -0.45102873 +0.72243470
a 0.7704588 Node 268.14116 -0.67955187 -0.65864614
e 0.4034297 Incl. 31.62498 -0.57860379 +0.21041240
P 0.68 H 25.6 G 0.15 U 7
Residuals in seconds of arc
201217 703 0.2+ 0.8+ 201218 I52 0.0 0.2+ 201218 033 0.4+ 0.3+
201217 703 0.1- 0.9- 201218 I52 0.0 0.0 201218 033 0.3+ 0.6+
201218 G96 0.2- 0.4- 201218 I52 0.0 0.2+ 201218 033 0.2+ 0.0
201218 G96 0.5- 0.4- 201218 I52 0.0 0.1+ 201218 113 0.1- 0.2-
201218 G96 0.2+ 0.0 201218 N88 0.2+ 0.4+ 201218 113 0.3- 0.1-
201218 I52 0.1+ 0.5+ 201218 N88 0.6- 0.9- 201218 113 0.2- 0.3-
201218 I52 0.0 0.1- 201218 N88 0.4- 0.2- 201218 113 0.4- 0.4-
201218 I52 0.0 0.2- 201218 N88 0.4+ 0.6+ 201218 113 0.4+ 0.0
201218 I52 0.3+ 0.3+ 201218 N88 0.2- 0.1+ 201218 113 0.2+ 0.1+
Ephemeris:
2020 YU a,e,i = 0.77, 0.40, 32 q = 0.4596
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 11 18 10 40 20.4 +56 25 36 0.3192 1.0761 97.2 65.7 25.6
...
2020 12 03 10 47 10.8 +55 04 23 0.1745 1.0491 106.6 64.2 24.2
...
2020 12 11 10 40 05.0 +53 26 15 0.09419 1.0252 113.0 62.1 22.7
...
2020 12 17 10 02 40.0 +47 02 50 0.03378 1.0029 123.1 55.3 20.3
2020 12 18 09 42 00.2 +42 31 31 0.02401 0.9988 127.6 51.3 19.4
2020 12 19 09 04 03.3 +31 27 34 0.01482 0.9946 136.1 43.3 18.1
...
2020 12 25 00 12 00.9 -61 01 38 0.04930 0.9672 69.4 107.9 23.0
...
2021 01 02 23 26 37.1 -58 21 56 0.1297 0.9247 59.7 113.3 25.4
...
2021 01 17 22 55 59.4 -56 40 07 0.2789 0.8271 48.8 116.5 27.0
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-Y47
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