MPEC 2018-C74 : 2018 CK2
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.


M.P.E.C. 2018-C74 Issued 2018 Feb. 10, 22:59 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 CK2 Observations: K18C02K* C2018 02 08.28518 09 23 45.22 +42 21 30.7 21.2 GUEC074G96 K18C02K C2018 02 08.29038 09 23 42.54 +42 20 49.1 21.8 GUEC074G96 K18C02K C2018 02 08.29560 09 23 39.85 +42 20 07.8 21.1 GUEC074G96 K18C02K C2018 02 08.30083 09 23 37.22 +42 19 27.3 21.6 GUEC074G96 K18C02K C2018 02 08.33283509 23 20.51 +42 15 11.7 20.9 GUEC074H01 K18C02K C2018 02 08.33331 09 23 20.34 +42 15 10.2 20.9 GUEC074I52 K18C02K C2018 02 08.33745 09 23 18.30 +42 14 37.4 21.9 GUEC074I52 K18C02K C2018 02 08.33954 09 23 16.97 +42 14 20.4 UEC074V06 K18C02K C2018 02 08.33966409 23 17.03 +42 14 17.4 20.9 GUEC074H01 K18C02K C2018 02 08.34160 09 23 16.10 +42 14 04.2 20.4 GUEC074I52 K18C02K C2018 02 08.34484 09 23 14.39 +42 13 38.2 21.6 GUEC074V06 K18C02K C2018 02 08.34689309 23 13.34 +42 13 19.5 21.3 GUEC074H01 K18C02K C2018 02 08.35013 09 23 11.56 +42 12 56.0 22.2 GUEC074V06 K18C02K C2018 02 08.35491909 23 09.25 +42 12 15.1 20.9 GUEC074H01 K18C02K C2018 02 08.35543 09 23 09.02 +42 12 13.7 22.3 GUEC074V06 K18C02K KC2018 02 08.43708 09 22 27.88 +42 01 13.2 21.5 RoEC074291 K18C02K KC2018 02 08.43983 09 22 26.47 +42 00 50.2 21.3 RoEC074291 K18C02K KC2018 02 08.44261 09 22 25.12 +42 00 27.9 oEC074291 K18C02K C2018 02 09.39730 09 14 53.39 +39 47 20.3 21.1 GUEC074G96 K18C02K C2018 02 09.39891 09 14 52.56 +39 47 06.0 21.3 GUEC074G96 K18C02K C2018 02 09.40053 09 14 51.85 +39 46 51.6 20.3 GUEC074G96 K18C02K C2018 02 09.40215 09 14 50.86 +39 46 36.7 21.6 GUEC074G96 K18C02K C2018 02 10.17857 09 08 50.86 +37 49 27.9 21.0 GUEC074I52 K18C02K C2018 02 10.18190 09 08 49.15 +37 48 57.3 21.4 GUEC074I52 K18C02K C2018 02 10.18521 09 08 47.49 +37 48 26.9 21.2 GUEC074I52 K18C02K C2018 02 10.18852 09 08 45.89 +37 47 56.3 20.6 GUEC074I52 Observer details: 291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 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, 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 CK2 Earth MOID = 0.0831 AU Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC M 358.99480 (2000.0) P Q n 0.67293989 Peri. 216.19091 -0.97714417 +0.05273821 a 1.2896896 Node 325.05966 +0.09413214 -0.76123713 e 0.1927806 Incl. 21.07356 -0.19060011 -0.64632554 P 1.46 H 25.0 G 0.15 U 8 Residuals in seconds of arc 180208 G96 0.6+ 0.4+ 180208 I52 (2.4- 0.1-) 180209 G96 1.3+ 0.3- 180208 G96 0.3+ 0.4- 180208 V06 (2.9- 0.2-) 180209 G96 1.1+ 0.3- 180208 G96 0.1+ 0.7- 180208 H01 0.7+ 0.1+ 180209 G96 (2.3+ 0.3-) 180208 G96 0.6+ 0.1- 180208 V06 (4.4- 0.2-) 180209 G96 0.4+ 0.7- 180208 H01 0.7+ 0.1+ 180208 H01 0.6+ 0.1+ 180210 I52 0.0 0.3+ 180208 I52 (2.4- 0.1-) 180208 V06 (2.5- 0.0 ) 180210 I52 0.6- 0.2+ 180208 I52 1.5- 0.1+ 180208 291 0.7- 0.3+ 180210 I52 0.7- 0.2+ 180208 V06 (4.4- 0.3-) 180208 291 1.0- 0.1- 180210 I52 0.0 0.0 180208 H01 0.7+ 0.2+ 180208 291 0.5- 0.4+ Ephemeris: 2018 CK2 a,e,i = 1.29, 0.19, 21 q = 1.0411 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2018 01 11 11 37 01.6 +61 11 43 0.2809 1.1585 122.4 45.8 24.3 ... 2018 01 26 10 54 14.3 +57 50 01 0.1850 1.1192 133.1 39.9 23.2 ... 2018 02 03 10 04 19.6 +51 17 58 0.1392 1.1005 143.4 32.3 22.3 ... 2018 02 09 09 18 05.2 +40 44 14 0.1114 1.0878 154.0 23.4 21.5 2018 02 10 09 10 11.5 +38 17 16 0.1077 1.0858 155.7 22.0 21.4 2018 02 11 09 02 20.8 +35 37 14 0.1043 1.0838 157.2 20.7 21.3 ... 2018 02 17 08 18 15.2 +15 37 35 0.09276 1.0728 154.9 23.0 21.1 ... 2018 02 25 07 32 53.3 -12 20 13 0.1039 1.0604 130.7 45.1 21.9 ... 2018 03 12 06 47 12.9 -39 15 51 0.1703 1.0451 103.0 67.9 23.6 A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-C74


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)