[Iaude] MPEC C68: 2018 CE2 [a=2.46,e=0.49,i=16.5,H=20.4]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sat Feb 10 16:09:21 EST 2018


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 at 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



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