MPEC 2018-R146: 2002 CY9
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M.P.E.C. 2018-R146 Issued 2018 Sept. 14, 13:42 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2002 CY9
Revision to MPEC 2002-C31
Additional Observations:
K02C09Y C2018 09 11.25602 17 21 20.98 +42 41 16.4 19.6 oUER146T05
K02C09Y C2018 09 11.26527 17 21 18.39 +42 41 24.0 19.7 oUER146T05
K02C09Y C2018 09 11.27420 17 21 15.93 +42 41 30.9 19.7 oUER146T05
K02C09Y C2018 09 11.27744 17 21 15.07 +42 41 32.7 19.6 oUER146T05
K02C09Y C2018 09 11.29435 17 21 10.33 +42 41 44.7 19.6 oUER146T05
K02C09Y KC2018 09 11.79557 17 18 56.69 +42 48 01.2 19.5 RqER146K61
K02C09Y KC2018 09 11.79600 17 18 56.52 +42 48 02.0 19.6 RqER146K61
K02C09Y KC2018 09 11.79665 17 18 56.39 +42 48 02.4 19.2 RqER146K61
K02C09Y IC2018 09 11.81122617 18 52.36 +42 48 13.1 20.1 GVER146L01
K02C09Y KC2018 09 11.81667117 18 50.91 +42 48 17.6 20.3 GVER146L01
K02C09Y C2018 09 11.82161 17 18 49.65 +42 48 19.6 20.7 VSER146033
K02C09Y C2018 09 11.82338 17 18 49.18 +42 48 20.9 20.2 VSER146033
K02C09Y C2018 09 11.82515 17 18 48.70 +42 48 22.3 20.2 VSER146033
K02C09Y C2018 09 11.82706 17 18 48.19 +42 48 23.5 20.2 VSER146033
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers C. Hoegner,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
K61 Rokycany Observatory. Observer M. Adamovsky. 0.51-m f/6.8 reflector
+ CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
T05 ATLAS-HKO, Haleakala. Observers L. Denneau, H. Flewelling, A. Heinze,
H. Weiland, J. Tonry. Measurers L. Denneau, H. Flewelling, A. Heinze,
J. Tonry, A. Fitzsimmons, D. Young. 0.5-m f/2.0 Schmidt + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
180911 T05 0.35- 0.91+ 180911 033 0.36- 0.90+ MPO 50589 -0.47 day
Orbital elements:
2002 CY9 PHA, Earth MOID = 0.0054 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 251.85371 (2000.0) P Q
n 0.46646215 Peri. 117.34536 +0.27331446 -0.79236630
a 1.6466139 Node 305.32928 +0.45812086 +0.60577438
e 0.5076890 Incl. 41.95175 +0.84582769 -0.07206280
P 2.11 H 19.2 G 0.15 U 2
Residuals in seconds of arc
020202 608 1.1+ 0.1+ 020208 704 0.7- 0.3+ 020216 474 0.0 0.2-
020202 608 1.0+ 0.3+ 020208 428 (0.9- 1.9+) 020217 474 0.3+ 0.3-
020206 704 0.1+ 1.4- 020208 428 0.6- 0.7+ 020217 474 0.2+ 0.1-
020206 704 0.2+ 1.1- 020209 422 0.5+ 0.2+ 020219 413 0.1+ 0.4-
020206 704 0.4- 1.4- 020209 422 0.3+ 0.6+ 020219 413 0.2+ 0.2-
020206 704 (0.1- 1.5-) 020209 422 0.5+ 0.1- 020219 413 0.2+ 0.2-
020206 704 0.2- 1.0- 020209 422 0.4+ 0.2- 020305 413 0.0 0.5-
020207 704 0.1- 0.5+ 020209 413 0.2+ 0.2+ 020305 413 0.4+ 0.2-
020207 704 0.4- 0.4+ 020209 413 0.1+ 0.2+ 020307 413 0.1- 0.4-
020207 704 0.2- 0.6+ 020209 413 0.1+ 0.2+ 020307 413 0.0 0.5-
020207 704 0.1- 0.0 020209 950 0.3- 0.2+ 020307 413 0.2- 0.6-
020207 448 (1.9- 0.7+) 020209 950 0.1- 0.1+ 180911 T05 0.1- 0.4-
020207 704 0.7- 0.5+ 020209 950 0.1- 0.2+ 180911 T05 0.4- 0.3+
020207 704 0.5- 0.3+ 020209 950 1.0+ 0.0 180911 T05 0.2- 0.5+
020207 448 (1.9- 0.6+) 020210 428 0.6- 0.8- 180911 T05 0.3+ 0.1-
020207 704 0.5- 1.2+ 020210 428 0.0 0.3- 180911 T05 0.4- 0.6-
020207 704 0.8- 0.6+ 020210 428 0.2+ 0.2+ 180911 K61 0.2+ 0.1+
020207 448 (2.1- 0.6+) 020212 413 0.2+ 0.0 180911 K61 0.3- 0.5+
020207 448 (2.4- 0.6+) 020212 413 0.3+ 0.0 180911 K61 0.2+ 0.5+
020207 704 0.6- 0.5+ 020212 413 0.2+ 0.0 180911 L01 0.1- 0.5-
020207 704 0.7- 0.4+ 020215 711 1.3+ 0.2- 180911 L01 0.2+ 0.0
020208 704 0.6- 0.2- 020215 711 0.4+ 0.3+ 180911 033 0.1- 0.2-
020208 704 0.7- 0.2+ 020215 711 0.9+ 0.1- 180911 033 0.0 0.1-
020208 704 0.4- 0.3+ 020216 474 0.1+ 0.2- 180911 033 0.0 0.0
020208 704 0.5- 0.1- 020216 474 0.0 0.3- 180911 033 0.1+ 0.2-
Ephemeris:
2002 CY9 a,e,i = 1.65, 0.51, 42 q = 0.8106
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 08 15 20 02 46.1 +25 22 49 0.4016 1.3247 134.2 33.2 19.2
...
2018 08 30 18 25 59.7 +38 17 18 0.4422 1.2066 105.6 53.7 19.8
...
2018 09 07 17 41 36.8 +41 35 39 0.4856 1.1437 93.3 61.6 20.1
...
2018 09 13 17 13 42.3 +43 02 26 0.5210 1.0971 85.6 66.1 20.3
2018 09 14 17 09 28.0 +43 13 25 0.5268 1.0894 84.4 66.8 20.3
2018 09 15 17 05 20.1 +43 23 36 0.5327 1.0817 83.3 67.4 20.4
...
2018 09 21 16 42 29.8 +44 10 51 0.5668 1.0366 77.1 70.7 20.5
...
2018 09 29 16 15 47.7 +44 45 49 0.6073 0.9793 70.1 74.2 20.7
...
2018 10 14 15 30 23.7 +44 32 26 0.6606 0.8868 60.7 78.8 20.8
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-R146
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