[Iaude] MPEC C21: 2018 CN [a=1.83,e=0.66,i=3.6,H=26.4]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Mon Feb 5 19:57:29 EST 2018


M.P.E.C. 2018-C21                                Issued 2018 Feb. 6, 00:53 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 CN
 
Observations:
     K18C00N* C2018 02 05.34968 09 37 07.38 +29 16 32.1          18.7 GUEC021703
     K18C00N  C2018 02 05.35491 09 37 08.65 +29 17 56.3          18.4 GUEC021703
     K18C00N  C2018 02 05.36014 09 37 09.92 +29 19 20.3          18.3 GUEC021703
     K18C00N  C2018 02 05.36537 09 37 11.28 +29 20 45.2          18.5 GUEC021703
     K18C00N  C2018 02 05.41021009 37 22.02 +29 32 47.3          18.1 GUEC021H01
     K18C00N  C2018 02 05.41680909 37 23.96 +29 34 37.5          18.4 GUEC021H01
     K18C00N  C2018 02 05.42502209 37 26.44 +29 36 55.5          18.3 GUEC021H01
     K18C00N  C2018 02 05.43070609 37 28.19 +29 38 31.5          18.1 GUEC021H01
     K18C00N KC2018 02 05.44606 09 37 34.29 +29 43 17.0                oEC021691
     K18C00N  C2018 02 05.45998 09 37 38.61 +29 47 11.9          17.9 GUEC021I52
     K18C00N  C2018 02 05.46011 09 37 38.66 +29 47 14.0          18.2 GUEC021I52
     K18C00N  C2018 02 05.46023 09 37 38.69 +29 47 16.0          17.8 GUEC021I52
     K18C00N  C2018 02 05.46036 09 37 38.70 +29 47 18.3          18.0 GUEC021I52
     K18C00N KC2018 02 05.47024 09 37 42.30 +29 50 16.6                oEC021691
     K18C00N  C2018 02 05.68327 09 39 55.41 +31 05 16.7          18.4 RrEC021P93
     K18C00N  C2018 02 05.68419 09 39 55.85 +31 05 38.6          18.3 RrEC021P93
     K18C00N  C2018 02 05.68511 09 39 56.25 +31 05 59.8          18.4 RrEC021P93
     K18C00N  C2018 02 05.68603 09 39 56.64 +31 06 22.3          18.6 RrEC021P93
     K18C00N  C2018 02 05.68695 09 39 57.05 +31 06 44.3          18.5 RrEC021P93
     K18C00N KC2018 02 05.78324 09 41 34.79 +31 43 03.5          17.9 RqEC021113
     K18C00N KC2018 02 05.78497 09 41 36.04 +31 43 52.6          18.1 RqEC021113
     K18C00N KC2018 02 05.78670 09 41 37.27 +31 44 41.1          17.9 RqEC021113
     K18C00N KC2018 02 05.78843 09 41 38.48 +31 45 29.4          18.1 RqEC021113
     K18C00N KC2018 02 05.85434 09 42 26.85 +32 17 47.6          18.3 RUEC021K74
     K18C00N KC2018 02 05.85574 09 42 27.87 +32 18 30.8          18.0 RUEC021K74
     K18C00N KC2018 02 05.85720 09 42 28.88 +32 19 15.8          18.3 RUEC021K74
     K18C00N KC2018 02 05.85877 09 42 30.05 +32 20 03.8          18.2 RUEC021K74
     K18C00N KC2018 02 05.86034 09 42 31.17 +32 20 52.6          18.2 RUEC021K74
     K18C00N KC2018 02 05.94762 09 43 35.73 +33 09 15.6          18.0 VqEC021595
     K18C00N KC2018 02 05.94898 09 43 36.79 +33 10 02.6          17.9 VqEC021595
     K18C00N KC2018 02 05.95035 09 43 37.82 +33 10 50.7          18.1 VqEC021595
     K18C00N KC2018 02 05.95172 09 43 38.89 +33 11 37.9          17.9 VqEC021595
 
Observer details:
113 Volkssternwarte Drebach, Schoenbrunn.  Observer G. Lehmann.  0.5-m f/4.6
    reflector + CCD.
595 Farra d'Isonzo.  Observers E. Pettarin, F. Piani.  Measurer E. Pettarin.
    0.61-m f/4.0 reflector + CCD.
691 Steward Observatory, Kitt Peak.  Observer T. H. Bressi.  0.9-m f/3
    reflector + CCD.
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.
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.  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.
K74 Muensterschwarzach Observatory, Schwarzach.  Observer C. Gerhard.  0.30-m
    f/3.75 Newtonian reflector + CCD.
P93 Space Tracking and Communications Center, JAXA.  Observers K. Nishiyama,
    T. Nimura.  1.0-m f/3.0 reflector + CCD.
 
Orbital elements:
2018 CN                                                  Earth MOID = 0.0033 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 358.80757              (2000.0)            P               Q
n   0.39846813     Peri.  263.49162     -0.71062925     +0.70249024
a   1.8289717      Node   321.12451     -0.61853429     -0.65013930
e   0.6628035      Incl.    3.55381     -0.33529301     -0.28952783
P   2.47           H   26.4           G   0.15           U   5
Residuals in seconds of arc
180205 703  0.5+  0.2-    180205 I52  0.4-  0.1-    180205 113  0.1+  0.1-
180205 703  0.1+  0.1-    180205 I52  0.8-  0.1-    180205 K74  0.1+  0.2-
180205 703  0.4-  0.5-    180205 691  0.1+  0.5+    180205 K74  0.1+  0.1-
180205 703  0.1+  0.3-    180205 P93  0.0   0.4-    180205 K74  0.6-  0.1-
180205 H01  0.3-  0.0     180205 P93  0.5+  0.2-    180205 K74  0.3-  0.5-
180205 H01  0.3-  0.1-    180205 P93  0.6+  0.7-    180205 K74  0.6-  0.3-
180205 H01  0.2-  0.0     180205 P93  0.5+  0.1+    180205 595  0.8-  0.2+
180205 H01  0.3-  0.0     180205 P93  0.6+  0.4+    180205 595  0.5-  0.1+
180205 691  0.0   0.6+    180205 113  0.0   0.2-    180205 595  0.8-  0.6+
180205 I52  0.3-  0.1+    180205 113  0.3+  0.4+    180205 595  0.6-  0.2+
180205 I52  0.2-  0.1-    180205 113  0.4+  0.3+

Ephemeris:
2018 CN                  a,e,i = 1.83, 0.66, 4                   q = 0.6167
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 01 07    09 19 26.1 +21 13 00   0.3836  1.3300   150.2    21.5    26.0
...
2018 01 22    09 25 14.8 +21 41 47   0.1898  1.1675   163.6    13.8    23.9
...
2018 01 30    09 27 29.5 +22 43 23   0.09453 1.0782   169.7     9.4    22.1
...
2018 02 05    09 35 09.1 +27 57 17   0.02536 1.0106   167.1    12.6    19.2
2018 02 06    09 44 18.6 +33 42 14   0.01405 0.9994   161.1    18.7    18.1
2018 02 07    12 30 18.9 +70 03 34   0.0039450.9881   118.3    61.5    16.5
...
2018 02 13    21 22 12.7 -18 22 53   0.06692 0.9210     7.3   172.1
...
2018 02 21    21 25 08.2 -19 45 15   0.1616  0.8341    15.2   161.8    33.7
...
2018 03 08    21 34 26.9 -19 02 03   0.3617  0.6929    27.7   138.3    30.0

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-C21



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