MPEC 2018-C11 : 2018 CA
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M.P.E.C. 2018-C11 Issued 2018 Feb. 4, 20:30 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
2018 CA
Observations:
K18C00A* C2018 02 03.46408 07 55 53.61 +34 04 04.5 18.7 oUEC011T05
K18C00A C2018 02 03.47733 07 55 58.94 +34 06 52.1 18.7 oUEC011T05
K18C00A C2018 02 03.49696 07 56 06.91 +34 10 57.8 18.7 oUEC011T05
K18C00A C2018 02 03.50049 07 56 08.35 +34 11 41.9 18.3 oUEC011T05
K18C00A KC2018 02 03.77967 07 58 36.76 +35 10 34.1 UEC011204
K18C00A KC2018 02 03.78509 07 58 39.29 +35 11 46.9 UEC011204
K18C00A KC2018 02 03.79023 07 58 41.65 +35 12 55.3 18.8 GUEC011204
K18C00A KC2018 02 03.86496 07 59 15.47 +35 29 35.4 18.5 UEC011K63
K18C00A KC2018 02 03.87285 07 59 18.93 +35 31 20.7 18.0 UEC011K63
K18C00A KC2018 02 03.88091 07 59 22.67 +35 33 07.4 18.3 UEC011K63
K18C00A C2018 02 04.15776 08 01 48.54 +36 34 25.0 18.3 GUEC011I52
K18C00A C2018 02 04.15788 08 01 48.54 +36 34 26.4 18.1 GUEC011I52
K18C00A C2018 02 04.15801 08 01 48.62 +36 34 27.9 18.2 GUEC011I52
K18C00A C2018 02 04.15813 08 01 48.68 +36 34 29.7 18.3 GUEC011I52
K18C00A C2018 02 04.21859 08 02 16.98 +36 48 12.1 18.2 GUEC011703
K18C00A QC2018 02 04.22542 08 02 19.18 +36 49 44.9 18.2 VUEC011H06
K18C00A C2018 02 04.22938 08 02 21.99 +36 50 37.9 18.1 GUEC011703
K18C00A QC2018 02 04.23425 08 02 23.26 +36 51 43.7 18.3 VUEC011H06
K18C00A C2018 02 04.23477 08 02 24.50 +36 51 50.0 18.3 GUEC011703
K18C00A QC2018 02 04.24345 08 02 27.57 +36 53 47.0 18.5 VUEC011H06
K18C00A C2018 02 04.65931 08 06 11.71 +38 27 27.2 18.9 RrEC011P93
K18C00A C2018 02 04.66270 08 06 13.44 +38 28 13.3 19.0 RrEC011P93
K18C00A C2018 02 04.66433 08 06 14.22 +38 28 35.0 18.9 RrEC011P93
K18C00A C2018 02 04.66594 08 06 15.07 +38 28 56.4 18.9 RrEC011P93
K18C00A KC2018 02 04.72324 08 07 01.31 +38 40 43.7 17.2 RqEC011K61
K18C00A KC2018 02 04.72363 08 07 01.54 +38 40 49.3 17.4 RqEC011K61
K18C00A KC2018 02 04.72402 08 07 01.75 +38 40 54.8 17.5 RqEC011K61
K18C00A KC2018 02 04.72439 08 07 01.98 +38 41 00.0 17.6 RqEC011K61
K18C00A KC2018 02 04.74004 08 07 11.38 +38 44 48.0 18.6 VqEC011595
K18C00A KC2018 02 04.74347 08 07 13.32 +38 45 36.6 18.9 VqEC011595
K18C00A KC2018 02 04.74690 08 07 15.20 +38 46 25.4 18.3 VqEC011595
K18C00A KC2018 02 04.80582 08 07 48.38 +38 59 50.2 UEC011J95
K18C00A KC2018 02 04.80704 08 07 49.00 +39 00 07.7 UEC011J95
K18C00A KC2018 02 04.80948 08 07 50.40 +39 00 42.0 18.5 GUEC011J95
K18C00A C2018 02 04.82483808 07 58.01 +39 04 45.9 18.8 VSEC011L01
K18C00A C2018 02 04.82531208 07 58.24 +39 04 52.4 18.6 VSEC011L01
K18C00A C2018 02 04.82579908 07 58.55 +39 04 58.4 18.8 VSEC011L01
K18C00A IC2018 02 04.82627308 07 58.80 +39 05 05.5 19.0 VSEC011L01
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
595 Farra d'Isonzo. Observer E. Pettarin. 0.40-m f/4.5 reflector + CCD.
703 Catalina Sky Survey. Observer D. C. Fuls. Measurers E. J. Christensen,
D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
0.68-m Schmidt + 10K CCD.
H06 iTelescope Observatory, Mayhill. Observer S. M. Tilley. 0.50-m f/6.8
reflector + CCD + f/4.5 focal reducer.
I52 Steward Observatory, Mt. Lemmon Station. Observer D. C. Fuls. Measurers
E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson,
R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman,
F. C. Shelly. 1.0-m reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6 Schmidt-Cassegrain
+ CCD.
K61 Rokycany Observatory. Observer M. Adamovsky. 0.51-m f/6.8 reflector
+ CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.40-m
f/3.2 Newtonian reflector + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
P93 Space Tracking and Communications Center, JAXA. Observers K. Nishiyama,
T. Fujiwara. 1.0-m f/3.0 reflector + CCD.
T05 ATLAS-HKO, Haleakala. Observers L. Denneau, A. Heinze, H. Weiland,
J. Tonry. Measurers L. Denneau, H. Flewelling, A. Heinze, B. Stalder,
J. Tonry. 0.5-m f/2.0 Schmidt + CCD.
Orbital elements:
2018 CA Earth MOID = 0.0494 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 10.45796 (2000.0) P Q
n 0.47019597 Peri. 32.83065 -0.94413923 -0.30242316
a 1.6378852 Node 129.00418 +0.25417311 -0.92113327
e 0.3870611 Incl. 9.69939 +0.20975496 -0.24505862
P 2.10 H 23.7 G 0.15 U 7
Residuals in seconds of arc
180203 T05 0.2+ 0.5- 180204 I52 0.0 0.3- 180204 K61 0.3- 0.2+
180203 T05 0.1+ 0.7+ 180204 703 0.0 0.3+ 180204 K61 0.0 0.1+
180203 T05 0.3- 0.4+ 180204 H06 0.1+ 0.4+ 180204 595 0.2- 0.0
180203 T05 0.4- 0.4+ 180204 703 0.1- 0.3+ 180204 595 0.1+ 0.1+
180203 204 0.4- 0.4- 180204 H06 0.1- 0.4+ 180204 595 0.2- 0.5+
180203 204 0.0 0.0 180204 703 0.0 0.4- 180204 J95 0.4+ 0.2-
180203 204 0.1- 0.2- 180204 H06 0.4+ 0.0 180204 J95 0.4- 0.0
180203 K63 0.2+ 0.7- 180204 P93 0.3+ 0.1+ 180204 J95 0.0 0.1-
180203 K63 0.6- 0.0 180204 P93 0.4+ 0.5+ 180204 L01 0.0 0.4+
180203 K63 1.1+ 0.1- 180204 P93 0.2- 0.2+ 180204 L01 0.3- 0.2+
180204 I52 0.4+ 0.1+ 180204 P93 0.1+ 0.0 180204 L01 0.2+ 0.6-
180204 I52 0.3- 0.2- 180204 K61 0.3- 0.1+ 180204 L01 0.2+ 0.2-
180204 I52 0.1- 0.4- 180204 K61 0.2- 0.2+
Ephemeris:
2018 CA a,e,i = 1.64, 0.39, 10 q = 1.0039
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 01 05 07 01 16.4 -03 26 07 0.1848 1.1521 153.9 22.1 21.4
...
2018 01 20 07 09 09.3 +04 21 30 0.1097 1.0870 158.8 19.1 20.1
...
2018 01 28 07 24 08.9 +16 03 05 0.07725 1.0584 161.6 17.1 19.2
...
2018 02 03 07 52 29.9 +32 26 07 0.05912 1.0404 157.2 21.5 18.7
2018 02 04 08 00 19.4 +35 59 29 0.05693 1.0377 155.1 23.6 18.7
2018 02 05 08 09 36.6 +39 45 29 0.05505 1.0351 152.5 26.0 18.7
...
2018 02 11 10 05 10.5 +62 44 55 0.05142 1.0215 131.2 46.6 19.1
...
2018 02 19 15 08 45.2 +64 53 58 0.06559 1.0093 106.7 69.7 20.3
...
2018 03 06 17 09 15.1 +46 09 42 0.1143 1.0055 93.5 80.0 21.8
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-C11
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