• Processing (Info)

    • MPEC 2018-C12 : 2018 CB

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    M.P.E.C. 2018-C12                                Issued 2018 Feb. 4, 20:35 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 CB

Observations:
     K18C00B* C2018 02 04.21773 08 14 57.34 +47 49 33.3          19.1 GUEC012703
     K18C00B  C2018 02 04.22313 08 14 55.86 +47 49 39.4          19.0 GUEC012703
     K18C00B  C2018 02 04.22852 08 14 54.33 +47 49 45.3          19.2 GUEC012703
     K18C00B  C2018 02 04.23391 08 14 52.67 +47 49 52.9          18.0 GUEC012703
     K18C00B  C2018 02 04.33538 08 14 22.56 +47 50 40.1          18.3 GUEC012I52
     K18C00B  C2018 02 04.34126 08 14 20.82 +47 50 39.8          18.7 GUEC012I52
     K18C00B  C2018 02 04.34743 08 14 19.03 +47 50 38.9          19.0 GUEC012I52
     K18C00B  C2018 02 04.34844 08 14 18.76 +47 50 39.4          18.8 GUEC012I52
     K18C00B  C2018 02 04.46175 08 13 51.14 +47 49 29.1          18.6 GUEC012I52
     K18C00B  C2018 02 04.46350 08 13 50.84 +47 49 27.5          18.1 GUEC012I52
     K18C00B  C2018 02 04.46525 08 13 50.50 +47 49 25.5          18.5 GUEC012I52
     K18C00B  C2018 02 04.46700 08 13 50.22 +47 49 23.3          18.3 GUEC012I52
     K18C00B  C2018 02 04.52997 08 14 32.80 +47 52 08.6          19.2 RrEC012P93
     K18C00B  C2018 02 04.53644 08 14 30.93 +47 52 16.6          18.9 RrEC012P93
     K18C00B  C2018 02 04.54289 08 14 29.01 +47 52 24.0          19.2 RrEC012P93
     K18C00B  C2018 02 04.54935 08 14 27.05 +47 52 31.7          19.0 RrEC012P93
     K18C00B KC2018 02 04.72864 08 14 26.86 +47 50 02.0          17.8 RqEC012K61
     K18C00B KC2018 02 04.72912 08 14 26.80 +47 50 03.0          17.9 RqEC012K61
     K18C00B KC2018 02 04.73023 08 14 26.64 +47 50 04.8          17.9 RqEC012K61

Observer details:
703 Catalina Sky Survey.  Observer D. C. Fuls.  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.
I52 Steward Observatory, Mt. Lemmon Station.  Observer D. C. Fuls.  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.
K61 Rokycany Observatory.  Observer M. Adamovsky.  0.51-m f/6.8 reflector
    + CCD.
P93 Space Tracking and Communications Center, JAXA.  Observers K. Nishiyama,
    T. Fujiwara.  1.0-m f/3.0 reflector + CCD.

Orbital elements:
2018 CB                                                  Earth MOID = 0.0004 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M  11.55529              (2000.0)            P               Q
n   0.62160638     Peri.  205.45249     -0.97313439     -0.22447008
a   1.3597500      Node   321.46383     +0.22278987     -0.86194773
e   0.2903868      Incl.    4.71507     +0.05808724     -0.45459794
P   1.59           H   26.0           G   0.15           U   6
Residuals in seconds of arc
180204 703  1.1-  0.0     180204 I52  0.6+  0.2+    180204 P93  0.9+  0.4+
180204 703  0.7-  0.0     180204 I52  0.4-  0.1-    180204 P93  0.6+  0.9+
180204 703  0.6-  0.1+    180204 I52  0.2-  0.1+    180204 K61  0.7-  0.3-
180204 703 (1.6-  2.2+)   180204 I52  0.5-  0.2-    180204 K61  0.6-  0.2-
180204 I52  0.6+  0.3-    180204 I52  0.2-  0.6-    180204 K61  0.6-  0.5-
180204 I52  0.4+  0.3-    180204 P93  0.9+  0.7+
180204 I52  0.4+  0.5-    180204 P93  1.0+  0.6+

Ephemeris:
2018 CB                  a,e,i = 1.36, 0.29, 5                   q = 0.9649
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 01 05    08 21 05.6 +43 20 19   0.1318  1.1030   153.7    23.3    22.9
...
2018 01 20    08 22 26.2 +45 54 40   0.07352 1.0507   154.1    24.1    21.6
...
2018 01 28    08 19 54.4 +46 57 31   0.04566 1.0250   151.1    27.7    20.6
...
2018 02 03    08 16 09.3 +47 38 07   0.02551 1.0072   147.4    31.8    19.4
2018 02 04    08 15 01.8 +47 46 08   0.02218 1.0044   146.7    32.6    19.1
2018 02 05    08 13 32.5 +47 55 30   0.01886 1.0016   145.9    33.5    18.8
...
2018 02 11    21 07 06.8 -42 35 11   0.0013450.9858    29.1   150.8    20.2
...
2018 02 19    18 57 46.2 -51 53 31   0.02774 0.9732    55.7   123.0    23.2
...
2018 03 06    19 02 46.4 -51 12 02   0.07663 0.9650    67.3   108.5    24.4

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-C12

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