[Iaude] MPEC C18: 2018 CH [a=0.82,e=0.40,i=1.5,H=26.3]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Mon Feb 5 17:55:18 EST 2018


M.P.E.C. 2018-C18                                Issued 2018 Feb. 5, 22:49 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 CH
 
Observations:
     K18C00H* C2018 02 04.21773 08 19 43.11 +44 00 54.4          19.6 GUEC018703
     K18C00H  C2018 02 04.22313 08 19 34.59 +44 00 00.4          19.4 GUEC018703
     K18C00H  C2018 02 04.22852 08 19 26.05 +43 59 02.3          19.4 GUEC018703
     K18C00H  C2018 02 04.23391 08 19 17.69 +43 58 06.1          19.4 GUEC018703
     K18C00H  C2018 02 04.34769 08 16 24.03 +43 37 41.5                UEC018I52
     K18C00H  C2018 02 04.34793 08 16 23.61 +43 37 38.5                UEC018I52
     K18C00H  C2018 02 04.34817 08 16 23.25 +43 37 36.6                UEC018I52
     K18C00H KC2018 02 04.82268 08 07 16.03 +42 17 44.8                UEC018J95
     K18C00H KC2018 02 04.83014808 07 05.58 +42 17 28.6          20.3 VSEC018L01
     K18C00H KC2018 02 04.83259 08 07 04.75 +42 16 19.9                UEC018J95
     K18C00H KC2018 02 04.83399608 07 01.09 +42 16 55.7          20.0 VSEC018L01
     K18C00H KC2018 02 04.83591708 06 58.83 +42 16 38.8          20.2 VSEC018L01
     K18C00H KC2018 02 04.83782708 06 56.61 +42 16 22.2          20.1 VSEC018L01
     K18C00H SC2018 02 04.83867 08 06 57.85 +42 15 27.0          19.4 GUEC018J95
     K18C00H KC2018 02 05.09263 08 02 43.17 +41 38 55.6          20.0 RqEC018H36
     K18C00H KC2018 02 05.09782 08 02 37.63 +41 38 15.1          20.2 RqEC018H36
     K18C00H KC2018 02 05.10819 08 02 26.83 +41 36 53.8          19.6 RqEC018H36
     K18C00H  C2018 02 05.11817708 02 20.03 +41 35 34.4          20.1 GUEC018H01
     K18C00H  C2018 02 05.12641 08 02 12.59 +41 34 30.8                UEC018I52
     K18C00H  C2018 02 05.12657108 02 11.36 +41 34 29.3          20.4 GUEC018H01
     K18C00H  C2018 02 05.12682 08 02 12.17 +41 34 26.8                UEC018I52
     K18C00H  C2018 02 05.12723 08 02 11.73 +41 34 22.8          20.0 GUEC018I52
     K18C00H  C2018 02 05.12765 08 02 11.32 +41 34 20.0          20.2 GUEC018I52
     K18C00H  C2018 02 05.13891508 01 58.59 +41 32 53.4          19.6 GUEC018H01
     K18C00H  C2018 02 05.14275508 01 54.62 +41 32 23.6          19.8 GUEC018H01
 
Observer details:
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.
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.
J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6 Schmidt-Cassegrain
    + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
 
Orbital elements:
2018 CH                                                  Earth MOID = 0.0093 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 169.93401              (2000.0)            P               Q
n   1.33368193     Peri.  241.17313     +0.98857005     +0.14862419
a   0.8173998      Node   110.27013     -0.12721345     +0.91238662
e   0.4004756      Incl.    1.54549     -0.08090731     +0.38139416
P   0.74           H   26.3           G   0.15           U   8
Residuals in seconds of arc
180204 703  0.3+  0.8-    180204 J95  0.1+  0.2+    180205 I52  0.2-  1.1+
180204 703  0.1-  1.6+    180204 L01  0.1+  0.2+    180205 H01  0.0   0.1+
180204 703  0.9-  0.0     180204 L01  0.1-  0.0     180205 I52  0.2-  0.3+
180204 703  0.1+  0.4+    180204 L01  0.0   0.0     180205 I52  0.4-  0.6-
180204 I52  0.6+  0.3-    180204 J95  0.4+  0.5-    180205 I52  0.1-  0.1-
180204 I52  0.1-  0.7-    180205 H36  0.8+  0.4-    180205 H01  0.1+  0.1+
180204 I52  0.1-  0.1+    180205 H36  0.7-  0.1-    180205 H01  0.2+  0.2+
180204 J95  0.2-  0.1+    180205 H36  0.6-  0.4+
180204 L01  0.0   0.4-    180205 H01  0.0   0.1+

Ephemeris:
2018 CH                  a,e,i = 0.82, 0.40, 2                   q = 0.4901
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 01 06    18 43 18.9 -23 46 17   0.1583  0.8258     5.5   173.4
...
2018 01 21    18 18 18.7 -18 37 42   0.06117 0.9299    26.7   151.6    28.8
...
2018 01 29    16 54 44.2 +08 37 53   0.01680 0.9773    62.7   116.4    22.0
...
2018 02 04    08 25 02.5 +44 40 57   0.02679 1.0091   150.2    29.0    19.7
2018 02 05    08 04 00.6 +41 52 54   0.03228 1.0140   150.2    28.9    20.1
2018 02 06    07 50 19.5 +39 45 21   0.03793 1.0189   149.4    29.5    20.5
...
2018 02 12    07 18 59.5 +33 31 33   0.07340 1.0461   142.3    35.3    22.2
...
2018 02 20    07 11 01.5 +30 32 13   0.1226  1.0772   133.8    41.5    23.5
...
2018 03 07    07 17 15.7 +28 02 53   0.2181  1.1196   120.8    49.6    25.1

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-C18



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