MPEC 2018-C68 : 2018 CE2
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 2018-C67
Read MPEC 2018-C69
M.P.E.C. 2018-C68 Issued 2018 Feb. 10, 21:06 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 CE2
Observations:
K18C02E* C2018 02 07.32450 12 29 44.21 +49 21 59.0 20.9 GUEC068G96
K18C02E C2018 02 07.32972 12 29 44.78 +49 22 01.2 21.1 GUEC068G96
K18C02E C2018 02 07.33493 12 29 45.30 +49 22 05.1 20.8 GUEC068G96
K18C02E C2018 02 07.34013 12 29 45.73 +49 22 07.9 20.5 GUEC068G96
K18C02E C2018 02 07.37902 12 29 49.44 +49 22 29.1 UEC068V06
K18C02E C2018 02 07.38263 12 29 49.75 +49 22 29.8 21.3 GUEC068V06
K18C02E C2018 02 07.38777 12 29 50.22 +49 22 32.8 UEC068V06
K18C02E C2018 02 08.36048 12 31 29.18 +49 30 23.0 20.4 GUEC068I52
K18C02E C2018 02 08.36360 12 31 29.46 +49 30 24.8 20.7 GUEC068I52
K18C02E C2018 02 08.36670 12 31 29.74 +49 30 26.4 20.7 GUEC068I52
K18C02E C2018 02 08.36980 12 31 30.03 +49 30 27.8 20.7 GUEC068I52
K18C02E KC2018 02 08.42903 12 31 35.25 +49 30 57.7 oEC068711
K18C02E KC2018 02 08.43339 12 31 35.65 +49 31 00.1 oEC068711
K18C02E KC2018 02 08.43771 12 31 36.03 +49 31 01.8 oEC068711
K18C02E C2018 02 09.37262 12 33 08.77 +49 38 11.9 20.8 GUEC068I52
K18C02E C2018 02 09.37880 12 33 09.34 +49 38 15.1 20.8 GUEC068I52
K18C02E C2018 02 09.38357 12 33 09.77 +49 38 17.4 21.2 GUEC068I52
K18C02E C2018 02 09.38834 12 33 10.20 +49 38 19.9 20.7 GUEC068I52
K18C02E KC2018 02 09.39248 12 33 10.44 +49 38 22.1 oEC068711
K18C02E KC2018 02 09.39558 12 33 10.69 +49 38 24.0 oEC068711
K18C02E KC2018 02 09.39864 12 33 10.87 +49 38 26.0 oEC068711
K18C02E C2018 02 10.53399 12 34 57.94 +49 46 40.3 20.4 GUEC068I52
K18C02E C2018 02 10.53941 12 34 58.44 +49 46 42.9 UEC068I52
Observer details:
711 McDonald Observatory. Observer J. G. Ries. 2.1-m reflector + CCD + focal
reducer.
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.
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.
V06 Catalina Sky Survey-Kuiper. Observer 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. 1.55-m reflector + CCD.
Orbital elements:
2018 CE2 Earth MOID = 0.2944 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 357.67015 (2000.0) P Q
n 0.25569938 Peri. 144.60092 -0.97906769 +0.08004706
a 2.4583833 Node 41.26165 -0.17551653 -0.79757234
e 0.4871624 Incl. 16.48421 +0.10305539 -0.59788864
P 3.85 H 20.4 G 0.15 U 7
Residuals in seconds of arc
180207 G96 0.2- 0.3- 180208 I52 0.0 0.1+ 180209 I52 0.1- 0.0
180207 G96 0.4+ 0.9- 180208 I52 0.0 0.1+ 180209 I52 0.0 0.2+
180207 G96 0.6+ 0.2+ 180208 I52 0.0 0.0 180209 711 0.4+ 0.4-
180207 G96 0.1- 0.2+ 180208 711 0.0 0.1+ 180209 711 0.2+ 0.0
180207 V06 0.0 0.8+ 180208 711 0.1+ 0.5+ 180209 711 0.6- 0.6+
180207 V06 0.3- 0.4- 180208 711 0.0 0.2+ 180210 I52 0.0 0.4-
180207 V06 0.4- 0.1- 180209 I52 0.4- 0.3- 180210 I52 0.3+ 0.1+
180208 I52 0.1+ 0.1- 180209 I52 0.1- 0.1-
Ephemeris:
2018 CE2 a,e,i = 2.46, 0.49, 16 q = 1.2608
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 01 11 11 30 50.5 +44 22 20 0.7034 1.5078 125.9 31.9 21.9
...
2018 01 26 12 05 33.3 +47 19 50 0.5953 1.4323 128.4 32.6 21.4
...
2018 02 03 12 21 52.7 +48 43 21 0.5470 1.3959 129.0 33.3 21.2
...
2018 02 09 12 32 31.7 +49 35 18 0.5144 1.3708 129.2 33.9 21.1
2018 02 10 12 34 08.4 +49 42 47 0.5092 1.3669 129.2 34.0 21.0
2018 02 11 12 35 41.9 +49 49 52 0.5041 1.3629 129.2 34.1 21.0
...
2018 02 17 12 43 52.7 +50 23 05 0.4750 1.3407 129.4 34.7 20.9
...
2018 02 25 12 51 18.7 +50 35 48 0.4397 1.3147 129.6 35.4 20.7
...
2018 03 12 12 53 48.4 +48 38 54 0.3830 1.2789 131.2 35.7 20.3
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-C68
Read MPEC 2018-C67
Read MPEC 2018-C69
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)