[Iaude] MPEC C39: 2018 CD1 [a=2.38,e=0.55,i=8.9,H=23.9]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Wed Feb 7 14:55:23 EST 2018


M.P.E.C. 2018-C39                                Issued 2018 Feb. 7, 19:43 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 CD1
 
Observations:
     K18C01D* C2018 02 05.44952 10 39 28.83 +02 54 08.8          20.9 GUEC039G96
     K18C01D  C2018 02 05.45688 10 39 28.59 +02 53 39.8          20.6 GUEC039G96
     K18C01D  C2018 02 05.47162 10 39 28.13 +02 52 42.5          21.1 GUEC039G96
     K18C01D  C2018 02 05.52524 10 39 26.56 +02 49 13.2          20.6 GUEC039I52
     K18C01D HC2018 02 05.52531 10 39 26.56 +02 49 12.2          21.4 RoEC039691
     K18C01D  C2018 02 05.52689 10 39 26.52 +02 49 06.6          20.7 GUEC039I52
     K18C01D  C2018 02 05.52855 10 39 26.51 +02 49 00.3          19.7 GUEC039I52
     K18C01D  C2018 02 05.53021 10 39 26.44 +02 48 54.0          20.9 GUEC039I52
     K18C01D HC2018 02 05.53505 10 39 26.31 +02 48 34.2          21.3 RoEC039691
     K18C01D HC2018 02 05.54473 10 39 26.07 +02 47 56.3                oEC039691
     K18C01D  C2018 02 06.29542 10 39 18.55 +02 00 18.8          21.6 GUEC039I52
     K18C01D  C2018 02 06.29986 10 39 18.42 +02 00 02.8          20.7 GUEC039I52
     K18C01D  C2018 02 06.30876 10 39 18.12 +01 59 29.2          20.4 GUEC039I52
     K18C01D  C2018 02 06.32175 10 39 17.66 +01 58 41.4          21.3 GUEC039V06
     K18C01D  C2018 02 06.32263 10 39 17.62 +01 58 38.2          20.9 GUEC039V06
     K18C01D  C2018 02 06.32350 10 39 17.58 +01 58 34.9          20.7 GUEC039V06
     K18C01D  C2018 02 06.32438 10 39 17.56 +01 58 31.6                UEC039V06
     K18C01D  C2018 02 07.29463 10 39 00.88 +00 59 44.8          20.9 GUEC039I52
     K18C01D  C2018 02 07.29630 10 39 00.75 +00 59 38.8          20.9 GUEC039I52
     K18C01D  C2018 02 07.30178 10 39 00.50 +00 59 21.5          22.4 GUEC039I52
 
Observer details:
691 Steward Observatory, Kitt Peak.  Observer T. H. Bressi.  0.9-m f/3
    reflector + CCD.
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.
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.
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 CD1                                                 Earth MOID = 0.1045 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M  20.00007              (2000.0)            P               Q
n   0.26879209     Peri.  153.84706     -0.32657277     -0.93877976
a   2.3778898      Node   314.98513     +0.83770254     -0.23371216
e   0.5486691      Incl.    8.92579     +0.43772672     -0.25312286
P   3.67           H   23.9           G   0.15           U   7
Residuals in seconds of arc
180205 G96  0.2+  0.6+    180205 I52  0.1+  0.7+    180206 V06  0.0   0.4+
180205 G96  0.1+  0.4+    180205 691  0.2-  0.6-    180206 V06  0.2-  0.3+
180205 G96  0.2+  0.7+    180205 691  0.1-  0.8-    180206 V06  0.0   0.3+
180205 I52  0.1-  0.6+    180206 I52  0.3-  0.4-    180207 I52  0.9+  0.6-
180205 691  0.3-  0.6-    180206 I52  0.0   0.1+    180207 I52  0.2-  0.7-
180205 I52  0.0   0.4+    180206 I52  0.1+  0.3-    180207 I52  1.0-  1.4+
180205 I52  0.5+  0.6+    180206 V06  0.1+  0.3+

Ephemeris:
2018 CD1                 a,e,i = 2.38, 0.55, 9                   q = 1.0732
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 01 08    10 02 51.2 +52 00 45   0.1198  1.0732   136.3    39.3    21.0
...
2018 01 23    10 36 57.4 +22 44 49   0.1221  1.0897   147.9    28.7    20.8
...
2018 01 31    10 40 04.2 +09 40 24   0.1391  1.1107   152.9    23.9    21.0
...
2018 02 06    10 39 21.9 +02 19 22   0.1575  1.1316   155.7    21.0    21.2
2018 02 07    10 39 04.9 +01 17 48   0.1610  1.1354   156.2    20.5    21.2
2018 02 08    10 38 45.7 +00 19 26   0.1646  1.1394   156.6    20.1    21.3
...
2018 02 14    10 36 18.2 -04 29 06   0.1885  1.1653   158.8    17.9    21.5
...
2018 02 22    10 32 34.9 -08 38 02   0.2262  1.2050   160.7    15.7    21.9
...
2018 03 09    10 28 14.9 -11 56 02   0.3144  1.2920   159.5    15.6    22.8

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-C39



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