MPEC 2018-C69 : 2018 CF2
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M.P.E.C. 2018-C69 Issued 2018 Feb. 10, 21:09 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 CF2
Observations:
K18C02F* C2018 02 07.36538 13 36 43.73 +48 11 18.9 17.9 GUEC069G96
K18C02F C2018 02 07.37066 13 36 10.97 +48 13 10.4 UEC069G96
K18C02F C2018 02 07.37573 13 35 39.38 +48 14 57.6 18.8 GUEC069703
K18C02F C2018 02 07.37596 13 35 38.54 +48 14 58.2 18.1 GUEC069G96
K18C02F C2018 02 07.38116 13 35 07.15 +48 16 42.2 18.0 GUEC069703
K18C02F C2018 02 07.39202 13 34 02.75 +48 20 07.6 17.9 GUEC069703
K18C02F C2018 02 07.41208 13 32 08.70 +48 25 45.1 17.8 GUEC069I52
K18C02F C2018 02 07.41503 13 31 52.36 +48 26 30.8 17.8 GUEC069I52
K18C02F C2018 02 07.41674 13 31 43.02 +48 26 56.9 17.5 GUEC069I52
K18C02F C2018 02 07.41686 13 31 42.31 +48 26 58.5 17.7 GUEC069I52
K18C02F C2018 02 07.52476 13 23 06.85 +48 45 34.8 18.6 GUEC069I52
K18C02F C2018 02 07.52489 13 23 06.32 +48 45 35.8 18.3 GUEC069I52
K18C02F C2018 02 07.52501 13 23 05.87 +48 45 36.4 18.0 GUEC069I52
K18C02F C2018 02 07.52514 13 23 05.33 +48 45 37.4 18.3 GUEC069I52
K18C02F C2018 02 07.91061 13 09 48.29 +49 12 15.7 20.9 VqEC069C42
K18C02F C2018 02 07.91218 13 09 45.21 +49 12 20.8 20.5 VqEC069C42
K18C02F C2018 02 07.91296 13 09 43.77 +49 12 23.7 19.6 VqEC069C42
K18C02F C2018 02 07.91373 13 09 42.20 +49 12 26.2 20.8 VqEC069C42
K18C02F KC2018 02 07.98401 13 09 03.88 +49 11 02.9 19.3 VqEC069C95
K18C02F KC2018 02 07.99340 13 08 49.25 +49 11 54.6 19.1 VqEC069C95
K18C02F KC2018 02 08.00302 13 08 34.36 +49 12 45.0 19.8 VqEC069C95
K18C02F KC2018 02 08.01240 13 08 19.68 +49 13 33.6 19.4 VqEC069C95
K18C02F C2018 02 08.30873213 03 28.50 +49 24 09.2 19.9 GUEC069H01
K18C02F KC2018 02 08.31277 13 03 12.61 +49 24 39.0 19.9 RqEC069H36
K18C02F C2018 02 08.31536313 03 21.37 +49 24 34.4 19.8 GUEC069H01
K18C02F KC2018 02 08.32010 13 03 04.60 +49 25 02.2 19.8 RqEC069H36
K18C02F C2018 02 08.32516113 03 10.82 +49 25 10.3 19.7 GUEC069H01
K18C02F KC2018 02 08.32743 13 02 56.48 +49 25 24.2 19.7 RqEC069H36
K18C02F C2018 02 08.33068313 03 04.82 +49 25 30.0 19.9 GUEC069H01
K18C02F KC2018 02 08.45193 13 00 50.50 +49 30 47.2 oEC069711
K18C02F KC2018 02 08.45573 13 00 46.54 +49 30 50.4 oEC069711
K18C02F KC2018 02 08.45831 13 00 43.82 +49 30 52.5 oEC069711
K18C02F C2018 02 08.52610 12 59 43.28 +49 31 05.7 20.0 GUEC069I52
K18C02F C2018 02 08.52776 12 59 41.75 +49 31 06.1 20.3 GUEC069I52
K18C02F C2018 02 08.52943 12 59 40.15 +49 31 05.8 20.6 GUEC069I52
K18C02F C2018 02 08.53110 12 59 38.68 +49 31 05.3 20.2 GUEC069I52
K18C02F C2018 02 09.37538 12 54 32.32 +49 39 01.1 22.2 GUEC069I52
K18C02F C2018 02 09.38492 12 54 27.45 +49 39 12.7 21.6 GUEC069I52
K18C02F C2018 02 09.38969 12 54 24.89 +49 39 18.8 23.5 GUEC069I52
K18C02F KC2018 02 09.40185 12 54 14.90 +49 39 52.9 oEC069711
K18C02F KC2018 02 09.40499 12 54 13.35 +49 39 55.3 oEC069711
K18C02F IC2018 02 09.40813 12 54 11.68 +49 39 58.2 oEC069711
Observer details:
703 Catalina Sky Survey. Observer G. J. Leonard. 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.
711 McDonald Observatory. Observer J. G. Ries. 2.1-m reflector + CCD + focal
reducer.
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.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers G. J. Leonard,
R. A. Kowalski. 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.
Orbital elements:
2018 CF2 Earth MOID = 0.0008 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 29.40552 (2000.0) P Q
n 0.39536293 Peri. 320.19630 -0.15432011 -0.96980176
a 1.8385358 Node 137.67887 +0.96282350 -0.19050649
e 0.5056574 Incl. 16.29077 +0.22171202 +0.15228860
P 2.49 H 28.0 G 0.15 U 6
Residuals in seconds of arc
180207 G96 1.0+ 0.4- 180207 C42 0.4+ 0.3- 180208 H01 0.4+ 0.2+
180207 G96 0.1+ 0.0 180207 C42 0.1- 0.1- 180208 711 0.8+ 0.4+
180207 703 (5.0- 2.3+) 180207 C42 0.6+ 0.4+ 180208 711 1.2+ 0.2+
180207 G96 0.4- 0.2- 180207 C42 0.3- 0.5+ 180208 711 1.0+ 0.2+
180207 703 0.3+ 0.2- 180207 C95 0.4- 0.2- 180208 I52 1.2- 1.3-
180207 703 1.2- 1.7+ 180207 C95 0.7- 0.2+ 180208 I52 0.9- 0.7-
180207 I52 0.2- 0.6+ 180208 C95 0.2- 0.0 180208 I52 1.3- 0.8-
180207 I52 0.3- 0.0 180208 C95 1.5- 1.2+ 180208 I52 0.5- 1.1-
180207 I52 0.4+ 0.3- 180208 H01 0.5+ 0.0 180209 I52 1.1- 0.7+
180207 I52 0.1- 0.5- 180208 H36 0.6- 0.1- 180209 I52 1.6- 0.7+
180207 I52 0.1+ 0.4- 180208 H01 0.4+ 0.1- 180209 I52 (3.0- 1.3+)
180207 I52 0.1+ 0.2- 180208 H36 0.5+ 0.2- 180209 711 0.5+ 0.1+
180207 I52 0.5+ 0.3- 180208 H01 0.6+ 0.1- 180209 711 1.4+ 0.1+
180207 I52 0.4+ 0.1- 180208 H36 0.6+ 0.5- 180209 711 1.0+ 0.8+
Ephemeris:
2018 CF2 a,e,i = 1.84, 0.51, 16 q = 0.9089
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 01 11 00 40 28.2 -49 15 15 0.2021 0.9196 65.9 102.5 28.1
...
2018 01 26 00 52 25.8 -49 25 14 0.09029 0.9422 59.6 115.6 27.2
...
2018 02 03 00 50 18.5 -49 40 25 0.02915 0.9695 55.7 122.8 25.3
...
2018 02 09 12 56 16.6 +49 34 27 0.01686 0.9965 125.7 53.5 21.1
2018 02 10 12 51 49.2 +49 40 36 0.02450 1.0016 126.6 52.2 21.9
2018 02 11 12 49 21.2 +49 43 11 0.03215 1.0068 127.3 51.2 22.4
...
2018 02 17 12 42 57.1 +49 39 03 0.07811 1.0399 129.9 46.8 24.3
...
2018 02 25 12 37 00.1 +49 07 45 0.1399 1.0889 132.3 42.2 25.6
...
2018 03 12 12 25 21.5 +47 00 25 0.2599 1.1909 134.7 36.3 26.9
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-C69
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