[Iaude] MPEC C63: 2018 CG2 [a=1.98,e=0.70,i=20.5,H=19.1]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sat Feb 10 15:32:55 EST 2018


M.P.E.C. 2018-C63                                Issued 2018 Feb. 10, 20:03 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 CG2
 
Observations:
     K18C02G* C2018 02 07.46504 17 46 47.43 +51 17 20.1          19.2 GUEC063G96
     K18C02G  C2018 02 07.46982 17 46 45.12 +51 17 40.6          19.5 GUEC063G96
     K18C02G  C2018 02 07.47458 17 46 42.78 +51 18 01.1          19.4 GUEC063G96
     K18C02G  C2018 02 07.47936 17 46 40.48 +51 18 21.8          19.0 GUEC063G96
     K18C02G  C2018 02 07.52606 17 46 17.50 +51 21 42.2          18.9 GUEC063I52
     K18C02G  C2018 02 07.52636 17 46 17.39 +51 21 43.1          18.9 GUEC063I52
     K18C02G  C2018 02 07.52836 17 46 16.38 +51 21 51.8          19.1 GUEC063I52
     K18C02G  C2018 02 07.52868 17 46 16.23 +51 21 53.3          19.2 GUEC063I52
     K18C02G KC2018 02 07.92712 17 43 02.86 +51 49 15.1          19.7 VqEC063C42
     K18C02G KC2018 02 07.93885 17 42 57.03 +51 50 04.4          19.8 VqEC063C42
     K18C02G KC2018 02 07.94078 17 42 56.09 +51 50 12.4          19.4 VqEC063C42
     K18C02G KC2018 02 08.49252 17 38 25.52 +52 27 17.3                oEC063711
     K18C02G KC2018 02 08.49744 17 38 23.04 +52 27 37.0                oEC063711
     K18C02G KC2018 02 08.50052 17 38 21.51 +52 27 49.7                oEC063711
     K18C02G  C2018 02 08.51232 17 38 15.77 +52 28 34.5          18.8 GUEC063I52
     K18C02G  C2018 02 08.51250 17 38 15.64 +52 28 35.3          18.9 GUEC063I52
     K18C02G  C2018 02 08.51699 17 38 13.41 +52 28 53.4          18.9 GUEC063I52
     K18C02G KC2018 02 08.52084 17 38 11.45 +52 29 09.3          19.4 RoEC063291
     K18C02G KC2018 02 08.52160 17 38 11.08 +52 29 12.3          19.3 RoEC063291
     K18C02G KC2018 02 08.52236 17 38 10.64 +52 29 15.2          19.2 RoEC063291
     K18C02G  C2018 02 09.52144 17 29 52.16 +53 32 57.1          18.9 GUEC063I52
     K18C02G  C2018 02 09.52162 17 29 52.08 +53 32 58.1          19.0 GUEC063I52
     K18C02G  C2018 02 09.52290 17 29 51.44 +53 33 02.6          18.9 GUEC063I52
     K18C02G  C2018 02 09.52309 17 29 51.34 +53 33 03.3          18.9 GUEC063I52
     K18C02G KC2018 02 10.08103 17 25 08.83 +54 06 41.0          19.0  UEC063104
     K18C02G KC2018 02 10.08467 17 25 06.99 +54 06 54.8          19.2  UEC063104
     K18C02G KC2018 02 10.08822 17 25 05.24 +54 07 07.7          19.1  UEC063104
     K18C02G KC2018 02 10.15773917 24 29.19 +54 11 21.5          19.3 VSEC063L01
     K18C02G KC2018 02 10.15920917 24 28.48 +54 11 26.5          19.4 VSEC063L01
     K18C02G KC2018 02 10.16066717 24 27.75 +54 11 32.0          19.5 VSEC063L01
     K18C02G KC2018 02 10.16212617 24 26.89 +54 11 37.2          19.3 VSEC063L01
     K18C02G IC2018 02 10.16756217 24 24.12 +54 11 57.0          19.5 VSEC063L01
     K18C02G  C2018 02 10.49404 17 21 37.35 +54 31 07.1          18.6 GUEC063I52
     K18C02G  C2018 02 10.49422 17 21 37.30 +54 31 08.1          18.9 GUEC063I52
     K18C02G  C2018 02 10.49777 17 21 35.40 +54 31 20.3          19.7 GUEC063I52
     K18C02G  C2018 02 10.50132 17 21 33.46 +54 31 33.9                UEC063I52
 
Observer details:
104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
    P. Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + CCD.
291 LPL/Spacewatch II.  Observer J. V. Scotti.  1.8-m f/2.7 reflector + CCD.
711 McDonald Observatory.  Observer J. G. Ries.  2.1-m reflector + CCD + focal
    reducer.
C42 Xingming Observatory, Mt. Nanshan.  Observers Z. Xu, X. Gao.  Measurer
    Z. Xu.  0.6-m f/8 Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observer A. D. Grauer.  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 G. J. Leonard,
    R. A. Kowalski, 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.  1.0-m reflector
    + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
 
Orbital elements:
2018 CG2                                                 Earth MOID = 0.2852 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M  31.89776              (2000.0)            P               Q
n   0.35461731     Peri.  337.15761     +0.53567827     -0.77171825
a   1.9768001      Node    78.80848     +0.81863802     +0.37506114
e   0.6980264      Incl.   20.45228     +0.20707628     +0.51359525
P   2.78           H   19.1           G   0.15           U   9
Residuals in seconds of arc
180207 G96  0.1-  0.1+    180208 711  0.3-  0.1+    180210 104  0.1-  0.2-
180207 G96  0.1+  0.0     180208 711  0.1-  0.3+    180210 104  0.1+  0.2+
180207 G96  0.0   0.0     180208 I52  0.4+  0.2-    180210 104  0.7+  0.1+
180207 G96  0.3+  0.1+    180208 I52  0.1+  0.2-    180210 L01  0.3-  0.1+
180207 I52  0.1-  0.0     180208 I52  0.3+  0.2-    180210 L01  0.2+  0.3-
180207 I52  0.2+  0.3-    180208 291  0.2-  0.2+    180210 L01  0.4+  0.0
180207 I52  0.0   0.2-    180208 291  0.0   0.1+    180210 L01  0.5-  0.1-
180207 I52  0.1+  0.1-    180208 291  0.6-  0.0     180210 L01  0.0   0.0
180207 C42  0.3+  0.0     180209 I52  0.1-  0.5-    180210 I52  0.0   0.0
180207 C42  0.1-  0.3+    180209 I52  0.0   0.1-    180210 I52  0.3+  0.3+
180207 C42  0.0   0.3+    180209 I52  0.2+  0.5-    180210 I52  0.0   0.1-
180208 711  0.2-  0.3+    180209 I52  0.1+  0.5-    180210 I52  0.7-  0.8+

Ephemeris:
2018 CG2                 a,e,i = 1.98, 0.70, 20                  q = 0.5969
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 01 11    20 23 19.8 -01 23 06   0.3383  0.6899    24.5   143.8    23.3
...
2018 01 26    19 14 09.7 +31 10 57   0.2865  0.8458    53.4   110.8    20.2
...
2018 02 03    18 21 00.0 +45 22 17   0.3072  0.9392    72.3    89.5    19.6
...
2018 02 09    17 34 12.2 +53 00 06   0.3347  1.0106    84.4    76.3    19.4
2018 02 10    17 25 48.4 +54 01 56   0.3400  1.0225    86.3    74.4    19.4
2018 02 11    17 17 14.5 +54 59 50   0.3454  1.0345    88.0    72.5    19.4
...
2018 02 17    16 22 37.5 +59 27 33   0.3812  1.1058    97.7    62.3    19.4
...
2018 02 25    15 05 35.0 +62 07 59   0.4366  1.1997   108.1    51.6    19.6
...
2018 03 12    13 06 57.3 +59 36 18   0.5636  1.3701   120.7    38.6    20.1

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-C63



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