MPEC 2018-C65 : 2018 CJ2
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M.P.E.C. 2018-C65 Issued 2018 Feb. 10, 20:10 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 CJ2
Observations:
K18C02J* C2018 02 08.23993 08 14 38.62 +45 21 41.2 18.9 GUEC065G96
K18C02J C2018 02 08.24525 08 14 44.01 +45 25 24.7 19.1 GUEC065G96
K18C02J C2018 02 08.25075 08 14 49.66 +45 29 17.3 18.3 GUEC065G96
K18C02J C2018 02 08.25668 08 14 55.64 +45 33 26.5 UEC065G96
K18C02J C2018 02 08.28786 08 15 27.51 +45 55 03.4 18.7 GUEC065I52
K18C02J C2018 02 08.28851 08 15 28.15 +45 55 30.1 18.6 GUEC065I52
K18C02J C2018 02 08.28914 08 15 28.80 +45 55 55.8 18.6 GUEC065I52
K18C02J C2018 02 08.28977 08 15 29.46 +45 56 22.1 18.8 GUEC065I52
K18C02J C2018 02 08.29647608 15 34.82 +46 00 47.5 18.6 GUEC065H01
K18C02J C2018 02 08.30565208 15 44.23 +46 07 01.7 18.4 GUEC065H01
K18C02J C2018 02 08.31643608 15 55.32 +46 14 18.6 18.0 GUEC065H01
K18C02J C2018 02 08.32061508 15 59.62 +46 17 06.9 18.5 GUEC065H01
K18C02J KC2018 02 08.76834808 25 06.48 +50 49 22.8 18.9 VqEC065C95
K18C02J KC2018 02 08.77756508 25 16.63 +50 54 34.2 19.0 VqEC065C95
K18C02J KC2018 02 08.78677508 25 26.67 +50 59 44.6 18.6 VqEC065C95
K18C02J KC2018 02 08.79598808 25 36.57 +51 04 53.7 19.1 VqEC065C95
K18C02J KC2018 02 08.81441408 25 56.28 +51 15 08.4 19.0 VqEC065C95
K18C02J KC2018 02 08.83807 08 26 17.92 +51 27 49.7 18.6 RqEC065113
K18C02J KC2018 02 08.84066 08 26 20.60 +51 29 14.5 18.9 RqEC065113
K18C02J KC2018 02 08.84326 08 26 23.44 +51 30 38.1 19.1 RqEC065113
K18C02J KC2018 02 08.84847 08 26 28.84 +51 33 27.0 18.2 RqEC065113
K18C02J C2018 02 08.88943 08 26 49.05 +51 54 38.3 19.2 VqEC065C42
K18C02J C2018 02 08.89022 08 26 49.87 +51 55 01.8 19.4 VqEC065C42
K18C02J C2018 02 08.89257 08 26 52.40 +51 56 13.6 19.5 VqEC065C42
K18C02J C2018 02 09.10655808 31 34.44 +53 43 13.8 19.0 GUEC065H01
K18C02J C2018 02 09.11060908 31 38.71 +53 45 12.2 18.9 GUEC065H01
K18C02J C2018 02 09.12172408 31 50.39 +53 50 36.2 18.7 GUEC065H01
K18C02J C2018 02 09.13266008 32 01.78 +53 55 52.7 18.8 GUEC065H01
K18C02J C2018 02 09.14133 08 32 12.05 +54 00 00.4 19.3 GUEC065I52
K18C02J C2018 02 09.14151 08 32 12.23 +54 00 05.4 19.2 GUEC065I52
K18C02J C2018 02 09.14170 08 32 12.40 +54 00 10.3 19.2 GUEC065I52
K18C02J C2018 02 09.14188 08 32 12.66 +54 00 16.3 19.1 GUEC065I52
K18C02J KC2018 02 09.85769 08 45 24.18 +58 46 45.4 18.9 UEC065K63
K18C02J KC2018 02 09.86399 08 45 30.31 +58 48 57.3 19.0 UEC065K63
K18C02J KC2018 02 09.88024 08 45 46.47 +58 54 34.6 19.6 UEC065K63
K18C02J KC2018 02 09.92217908 46 26.16 +59 08 48.7 19.3 VSEC065L01
K18C02J KC2018 02 09.92370908 46 27.68 +59 09 19.5 19.5 VSEC065L01
K18C02J KC2018 02 09.92524208 46 29.16 +59 09 50.2 19.3 VSEC065L01
K18C02J KC2018 02 09.92677008 46 30.63 +59 10 20.5 19.5 VSEC065L01
K18C02J KC2018 02 09.92813108 46 31.94 +59 10 47.9 19.4 VSEC065L01
K18C02J KC2018 02 10.00331 08 47 50.30 +59 35 02.3 UEC065J95
K18C02J KC2018 02 10.00530 08 47 52.20 +59 35 41.0 UEC065J95
K18C02J KC2018 02 10.00726 08 47 54.23 +59 36 18.7 19.6 GUEC065J95
K18C02J KC2018 02 10.04448 08 48 26.02 +59 48 17.2 19.7 UEC065104
K18C02J KC2018 02 10.04744 08 48 28.97 +59 49 12.1 19.3 UEC065104
K18C02J KC2018 02 10.05336 08 48 34.87 +59 51 01.7 19.1 UEC065104
K18C02J C2018 02 10.14550 08 50 44.91 +60 19 47.1 19.5 GUEC065I52
K18C02J C2018 02 10.14605 08 50 45.46 +60 19 57.2 19.6 GUEC065I52
K18C02J C2018 02 10.14659 08 50 46.00 +60 20 07.7 19.7 GUEC065I52
K18C02J C2018 02 10.14714 08 50 46.54 +60 20 18.1 19.6 GUEC065I52
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
113 Volkssternwarte Drebach, Schoenbrunn. Observer G. Lehmann. 0.5-m f/4.6
reflector + CCD.
C42 Xingming Observatory, Mt. Nanshan. Observers Z. Xu, X. Gao. Measurer
Z. Xu. 0.6-m f/8 Ritchey-Chretien + CCD.
C95 SATINO Remote Observatory, Haute Provence. Observer J. Jahn. 0.60-m
f/3.2 Newtonian reflector + CCD.
G96 Mt. Lemmon Survey. Observer A. D. Grauer. 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.
1.5-m reflector + 10K CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers R. A. Kowalski,
G. J. Leonard, J. A. Johnson. 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/6.0 Schmidt-Cassegrain
+ 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.
Orbital elements:
2018 CJ2 Earth MOID = 0.0184 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 63.16780 (2000.0) P Q
n 0.71380883 Peri. 308.47665 +0.01827564 -0.95166207
a 1.2399803 Node 137.19317 +0.99868083 +0.00265769
e 0.2499360 Incl. 26.82065 +0.04798550 +0.30713555
P 1.38 H 25.0 G 0.15 U 7
Residuals in seconds of arc
180208 G96 (0.3+ 1.7+) 180208 113 0.2+ 0.3+ 180209 K63 0.1+ 0.6-
180208 G96 0.1- 0.3- 180208 113 0.2- 0.9+ 180209 L01 0.2- 0.2+
180208 G96 0.3+ 0.0 180208 113 0.7+ 0.2+ 180209 L01 0.1+ 0.3+
180208 G96 0.4- 0.3- 180208 113 0.1+ 0.4+ 180209 L01 0.0 0.2+
180208 I52 0.8+ 0.2- 180208 C42 0.5- 0.1+ 180209 L01 0.1- 0.1-
180208 I52 0.6+ 0.2- 180208 C42 0.8- 0.5- 180209 L01 0.2- 0.0
180208 I52 0.6+ 0.5- 180208 C42 0.9- 0.4- 180210 J95 0.1+ 0.4-
180208 I52 0.8+ 0.1- 180209 H01 0.2- 0.2+ 180210 J95 0.4- 0.0
180208 H01 0.0 0.2+ 180209 H01 0.2- 0.0 180210 J95 0.4+ 0.0
180208 H01 0.0 0.3+ 180209 H01 0.1- 0.1+ 180210 104 0.2- 0.4-
180208 H01 0.1+ 0.3+ 180209 H01 0.1- 0.0 180210 104 0.1+ 0.4-
180208 H01 0.0 0.0 180209 I52 0.2- 0.6+ 180210 104 0.6+ 0.3-
180208 C95 0.7- 0.4+ 180209 I52 0.3- 0.4+ 180210 I52 0.4+ 0.6+
180208 C95 0.1- 0.5- 180209 I52 0.5- 0.2- 180210 I52 0.5+ 0.2+
180208 C95 0.2+ 0.7- 180209 I52 0.1+ 0.7+ 180210 I52 0.5+ 0.5+
180208 C95 0.3- 0.7- 180209 K63 0.2- 0.4+ 180210 I52 0.5+ 0.4+
180208 C95 0.4- 0.5+ 180209 K63 1.0- 0.2+
Ephemeris:
2018 CJ2 a,e,i = 1.24, 0.25, 27 q = 0.9301
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 01 11 02 55 15.1 -77 52 22 0.2242 0.9426 73.0 93.8 25.0
...
2018 01 26 04 38 18.6 -73 33 23 0.09869 0.9727 80.2 94.0 23.3
...
2018 02 03 06 32 04.6 -50 23 08 0.03278 0.9946 105.0 73.2 20.1
...
2018 02 09 08 29 12.3 +52 51 05 0.03423 1.0131 140.2 38.6 19.2
2018 02 10 08 47 48.1 +59 33 14 0.04181 1.0163 134.2 44.1 19.8
2018 02 11 09 05 25.7 +63 59 54 0.04984 1.0196 129.9 48.0 20.3
...
2018 02 17 10 26 14.1 +73 38 19 0.1013 1.0401 118.4 56.7 22.2
...
2018 02 25 11 19 52.4 +75 39 17 0.1713 1.0692 113.3 58.2 23.4
...
2018 03 12 11 50 21.9 +74 31 36 0.3000 1.1272 108.9 56.5 24.7
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-C65
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