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    • MPEC 2018-C37 : 2018 CB1

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    M.P.E.C. 2018-C37                                Issued 2018 Feb. 7, 19:36 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 CB1

Observations:
     K18C01B* C2018 02 05.38291 09 39 04.22 +01 32 34.7          20.2 GUEC037G96
     K18C01B  C2018 02 05.38805 09 39 05.93 +01 32 10.4          20.0 GUEC037G96
     K18C01B  C2018 02 05.39319 09 39 07.59 +01 31 47.6          20.7 GUEC037G96
     K18C01B  C2018 02 05.39833 09 39 09.24 +01 31 23.8          20.1 GUEC037G96
     K18C01B  C2018 02 05.47646 09 39 35.49 +01 25 26.7                UEC037I52
     K18C01B  C2018 02 05.47799 09 39 36.01 +01 25 19.2                UEC037I52
     K18C01B  C2018 02 05.47875 09 39 36.30 +01 25 15.9          20.5 GUEC037I52
     K18C01B  C2018 02 06.22615009 44 46.68 +00 23 50.2          19.7 GUEC037H01
     K18C01B  C2018 02 06.22950509 44 47.98 +00 23 32.5          20.0 GUEC037H01
     K18C01B  C2018 02 06.23928609 44 51.81 +00 22 40.9          19.9 GUEC037H01
     K18C01B  C2018 02 06.24900709 44 55.59 +00 21 49.8          20.0 GUEC037H01
     K18C01B  C2018 02 06.26451 09 45 02.12 +00 20 30.6          20.2 GUEC037I52
     K18C01B  C2018 02 06.26547 09 45 02.50 +00 20 25.7          20.0 GUEC037I52
     K18C01B  C2018 02 06.26644 09 45 02.87 +00 20 20.8          20.3 GUEC037I52
     K18C01B  C2018 02 06.26741 09 45 03.24 +00 20 15.7          20.4 GUEC037I52
     K18C01B  C2018 02 07.27109 09 53 04.65 -01 17 42.4                UEC037I52
     K18C01B  C2018 02 07.27150 09 53 04.79 -01 17 46.0          20.5 GUEC037I52
     K18C01B  C2018 02 07.27191 09 53 05.02 -01 17 47.7          20.5 GUEC037I52

Observer details:
G96 Mt. Lemmon Survey.  Observer 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.
    1.5-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 D. C. Fuls,
    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.  1.0-m reflector + CCD.

Orbital elements:
2018 CB1                                                 Earth MOID = 0.0085 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 359.06494              (2000.0)            P               Q
n   0.45875770     Peri.   29.48452     -0.95172898     +0.30689579
a   1.6649983      Node   168.38423     -0.28641609     -0.88188729
e   0.4721688      Incl.    1.47659     -0.11035294     -0.35789633
P   2.15           H   25.5           G   0.15           U   8
Residuals in seconds of arc
180205 G96  0.0   0.5+    180205 I52  0.1+  0.3+    180206 I52  0.1-  0.0
180205 G96  0.6+  0.5-    180206 H01  0.2+  0.4-    180206 I52  0.2-  0.2+
180205 G96  0.3+  0.1+    180206 H01  0.0   0.4-    180206 I52  0.3-  0.3+
180205 G96  0.2-  0.4-    180206 H01  0.1+  0.4-    180207 I52  0.5+  0.4+
180205 I52  0.2-  0.5+    180206 H01  0.1-  0.1-    180207 I52  0.4-  0.5-
180205 I52  0.3-  0.1+    180206 I52  0.2-  0.2-    180207 I52  0.1+  0.4+

Ephemeris:
2018 CB1                 a,e,i = 1.66, 0.47, 1                   q = 0.8788
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 01 08    08 47 29.1 +12 19 18   0.2818  1.2459   155.9    18.8    24.2
...
2018 01 23    09 01 41.8 +09 21 33   0.1607  1.1406   165.6    12.4    22.6
...
2018 01 31    09 16 47.4 +06 09 23   0.1042  1.0870   167.2    11.5    21.5
...
2018 02 06    09 43 06.6 +00 44 36   0.06512 1.0487   163.7    15.3    20.5
2018 02 07    09 50 41.0 -00 47 54   0.05898 1.0425   162.2    16.8    20.3
2018 02 08    09 59 58.1 -02 40 37   0.05300 1.0364   160.2    18.8    20.2
...
2018 02 14    12 36 13.6 -28 24 08   0.02559 1.0013   122.0    56.8    19.6
...
2018 02 22    18 48 06.2 -29 16 56   0.05051 0.9594    52.8   124.8    24.2
...
2018 03 09    20 08 53.4 -19 03 47   0.1455  0.9016    47.9   125.3    26.4

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-C37

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