[Iaude] MPEC C31: 2018 CU [a=1.05,e=0.35,i=25.0,H=23.7]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Wed Feb 7 14:19:16 EST 2018


M.P.E.C. 2018-C31                                Issued 2018 Feb. 7, 19:16 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 CU
 
Observations:
     K18C00U* C2018 02 04.41825 09 22 28.27 +08 00 05.7          20.4 GUEC031G96
     K18C00U  C2018 02 04.42338 09 22 27.07 +08 01 04.4          20.1 GUEC031G96
     K18C00U  C2018 02 04.45050 09 22 20.67 +08 06 19.0          19.7 GUEC031G96
     K18C00U  C2018 02 04.45564 09 22 19.45 +08 07 18.4          19.7 GUEC031G96
     K18C00U  C2018 02 04.49504 09 22 10.32 +08 14 51.7          20.1 GUEC031I52
     K18C00U  C2018 02 04.49545 09 22 10.22 +08 14 57.3          19.6 GUEC031I52
     K18C00U  C2018 02 04.49586 09 22 10.14 +08 15 02.5          19.7 GUEC031I52
     K18C00U  C2018 02 04.49628 09 22 10.04 +08 15 06.8          19.5 GUEC031I52
     K18C00U KC2018 02 04.90109109 20 46.82 +09 32 05.4          20.1 VSEC031L01
     K18C00U KC2018 02 04.90300309 20 46.32 +09 32 25.9          19.9 VSEC031L01
     K18C00U KC2018 02 04.90492209 20 45.95 +09 32 49.1          20.2 VSEC031L01
     K18C00U KC2018 02 04.90862309 20 45.01 +09 33 29.6          20.3 VSEC031L01
     K18C00U  C2018 02 05.14988409 19 55.13 +10 18 39.9          20.0 GUEC031H01
     K18C00U  C2018 02 05.15559 09 19 54.03 +10 19 44.7          20.1 GUEC031I52
     K18C00U  C2018 02 05.15600 09 19 53.93 +10 19 48.9          20.2 GUEC031I52
     K18C00U  C2018 02 05.15642 09 19 53.85 +10 19 54.0          20.0 GUEC031I52
     K18C00U  C2018 02 05.15677809 19 53.58 +10 19 56.9          20.1 GUEC031H01
     K18C00U  C2018 02 05.15683 09 19 53.78 +10 19 58.8          20.1 GUEC031I52
     K18C00U  C2018 02 05.16521209 19 51.68 +10 21 31.2          19.8 GUEC031H01
     K18C00U  C2018 02 05.17060309 19 50.46 +10 22 31.1          19.8 GUEC031H01
     K18C00U KC2018 02 05.27176109 19 25.97 +10 41 08.9          20.1 VuEC031H21
     K18C00U KC2018 02 05.27642609 19 24.89 +10 42 00.3          20.1 VuEC031H21
     K18C00U KC2018 02 05.28216509 19 23.55 +10 43 03.6          20.3 VuEC031H21
     K18C00U  C2018 02 06.16474 09 16 23.41 +13 20 44.8          19.6 GUEC031I52
     K18C00U  C2018 02 06.16516 09 16 23.38 +13 20 49.5          19.4 GUEC031I52
     K18C00U  C2018 02 06.16557 09 16 23.21 +13 20 53.3          20.0 GUEC031I52
     K18C00U  C2018 02 06.16599 09 16 23.14 +13 20 57.3          20.2 GUEC031I52
     K18C00U KC2018 02 06.22691 09 16 09.39 +13 31 35.7                oEC031711
     K18C00U KC2018 02 06.22960 09 16 08.77 +13 32 03.8                oEC031711
     K18C00U KC2018 02 06.23233 09 16 08.16 +13 32 31.8                oEC031711
     K18C00U KC2018 02 07.23296 09 12 48.97 +16 19 21.9                oEC031711
     K18C00U KC2018 02 07.23555 09 12 48.41 +16 19 46.8                oEC031711
     K18C00U KC2018 02 07.23819 09 12 47.85 +16 20 12.3                oEC031711
     K18C00U KC2018 02 07.24875 09 12 45.03 +16 21 46.8          19.2 RqEC031H36
     K18C00U KC2018 02 07.25368 09 12 44.02 +16 22 34.1          19.7 RqEC031H36
     K18C00U KC2018 02 07.31911 09 12 29.99 +16 33 02.1          19.4 RqEC031H36
     K18C00U KC2018 02 07.32280 09 12 29.26 +16 33 36.9          19.4 RqEC031H36
     K18C00U KC2018 02 07.34972 09 12 24.27 +16 38 03.0          17.5 RoEC031691
     K18C00U KC2018 02 07.36769 09 12 20.46 +16 40 54.0          18.3 RoEC031691
 
Observer details:
691 Steward Observatory, Kitt Peak.  Observer J. V. Scotti.  0.9-m f/3
    reflector + CCD.
711 McDonald Observatory.  Observer J. G. Ries.  2.1-m reflector + CCD + focal
    reducer.
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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.61-m f/4.5
    astrograph + CCD.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m 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.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
 
Orbital elements:
2018 CU                                                  Earth MOID = 0.1098 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 123.11495              (2000.0)            P               Q
n   0.90981266     Peri.  237.97661     +0.90927546     -0.30449416
a   1.0547950      Node   137.75844     +0.33734485     +0.93847255
e   0.3500864      Incl.   24.96421     -0.24375517     +0.16294961
P   1.08           H   23.7           G   0.15           U   8
Residuals in seconds of arc
180204 G96  0.7-  0.4+    180205 I52  0.1+  0.1+    180206 I52  0.1-  0.5-
180204 G96  0.4-  0.3-    180205 I52  0.0   0.3-    180206 711  0.5-  0.1-
180204 G96  0.1-  0.4+    180205 I52  0.2+  0.1+    180206 711  0.8-  0.0
180204 G96  0.2-  0.3+    180205 H01  0.1-  0.0     180206 711  0.7-  0.3-
180204 I52  0.1+  1.1-    180205 I52  0.5+  0.4+    180207 711  0.2-  0.4+
180204 I52  0.0   0.2-    180205 H01  0.0   0.2+    180207 711  0.3-  0.3+
180204 I52  0.2+  0.3+    180205 H01  0.0   0.0     180207 711  0.1-  0.2+
180204 I52  0.2+  0.2-    180205 H21  0.2+  0.0     180207 H36  0.3-  0.0
180204 L01  0.6+  0.5+    180205 H21  0.2+  0.1-    180207 H36  0.4+  0.2-
180204 L01  0.2-  0.6-    180205 H21  0.1+  0.0     180207 H36  0.3-  0.5-
180204 L01  0.9+  0.9+    180206 I52  0.2-  0.1+    180207 H36  0.5+  1.0-
180204 L01  0.3-  0.4-    180206 I52  0.7+  0.4+    180207 691  0.0   0.4+
180205 H01  0.1-  0.0     180206 I52  0.4-  0.1-    180207 691  0.5+  0.1+

Ephemeris:
2018 CU                  a,e,i = 1.05, 0.35, 25                  q = 0.6855
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 01 08    11 55 06.8 -65 42 50   0.2121  0.9603    77.6    90.0    23.4
...
2018 01 23    10 18 59.0 -37 04 43   0.1340  1.0515   116.8    56.7    21.5
...
2018 01 31    09 40 05.6 -07 46 52   0.1252  1.0975   152.2    24.8    20.5
...
2018 02 06    09 16 54.5 +12 52 18   0.1444  1.1303   177.1     2.5    20.0
2018 02 07    09 13 33.4 +15 41 43   0.1495  1.1357   178.1     1.6    20.1
2018 02 08    09 10 21.3 +18 19 22   0.1550  1.1410   175.2     4.1    20.3
...
2018 02 14    08 54 13.4 +30 21 38   0.1955  1.1718   158.7    17.9    21.4
...
2018 02 22    08 40 32.8 +39 16 50   0.2624  1.2104   143.6    29.0    22.5
...
2018 03 09    08 34 16.3 +45 46 08   0.4062  1.2744   126.0    39.1    23.8

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-C31



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