• MPC Preparation (Info)

  • MPEC 2018-C75 : 2018 CL2

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.


    Read MPEC 2018-C74 Read MPEC 2018-C76


    M.P.E.C. 2018-C75                                Issued 2018 Feb. 10, 23:03 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@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                       2018 CL2
    
    Observations:
         K18C02L* C2018 02 08.32440 11 11 39.58 +41 10 24.9          21.1 GUEC075G96
         K18C02L  C2018 02 08.32961 11 11 48.11 +41 11 07.0          21.4 GUEC075G96
         K18C02L  C2018 02 08.33482 11 11 56.58 +41 11 47.6          21.1 GUEC075G96
         K18C02L  C2018 02 08.34002 11 12 05.00 +41 12 28.3          20.7 GUEC075G96
         K18C02L  C2018 02 08.43571 11 14 42.65 +41 24 43.9          20.8 GUEC075I52
         K18C02L  C2018 02 08.44005 11 14 50.06 +41 25 16.2          20.7 GUEC075I52
         K18C02L  C2018 02 09.25390511 41 16.25 +43 05 52.6          21.1 GUEC075H01
         K18C02L  C2018 02 09.25721311 41 23.17 +43 06 17.6          20.2 GUEC075H01
         K18C02L  C2018 02 09.26728411 41 44.28 +43 07 33.8          20.5 GUEC075H01
         K18C02L  C2018 02 09.27522611 42 00.93 +43 08 33.5          20.2 GUEC075H01
         K18C02L  C2018 02 09.30981 11 43 14.18 +43 12 51.6          21.2 GUEC075I52
         K18C02L  C2018 02 09.31057 11 43 15.81 +43 12 58.0          21.2 GUEC075I52
         K18C02L  C2018 02 09.31134 11 43 17.53 +43 13 02.3                UEC075I52
         K18C02L  C2018 02 09.31210 11 43 18.99 +43 13 06.5                UEC075I52
         K18C02L KC2018 02 10.04153912 12 07.74 +44 30 57.0          20.5 VSEC075L01
         K18C02L IC2018 02 10.04518212 12 16.88 +44 31 18.8          20.5 VSEC075L01
         K18C02L KC2018 02 10.04882912 12 26.08 +44 31 39.2          21.0 VSEC075L01
    
    Observer details:
    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.
    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.  Observers R. A. Kowalski,
        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.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    
    Orbital elements:
    2018 CL2                                                 Earth MOID = 0.0346 AU
    Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
    M   0.85370              (2000.0)            P               Q
    n   0.26863706     Peri.   89.36057     -0.96733005     +0.24810655
    a   2.3788046      Node   105.00399     -0.24873249     -0.88903425
    e   0.6356607      Incl.    3.09272     -0.04903804     -0.38478727
    P   3.67           H   25.8           G   0.15           U   8
    Residuals in seconds of arc
    180208 G96  0.6-  0.7-    180209 H01  0.1+  0.6-    180209 I52 (0.8-  0.8-)
    180208 G96  0.1+  0.4+    180209 H01  0.0   0.7-    180209 I52 (2.4-  2.2-)
    180208 G96  0.0   0.1+    180209 H01  0.1+  0.5-    180210 L01  0.2+  0.1-
    180208 G96  0.6-  0.0     180209 H01  0.1+  0.4-    180210 L01  0.2-  0.8+
    180208 I52  0.4-  0.7+    180209 I52 (2.2-  0.2-)   180210 L01  0.1-  0.2+
    180208 I52  1.4+  0.4+    180209 I52 (1.9-  0.6+)
    
    Ephemeris:
    2018 CL2                 a,e,i = 2.38, 0.64, 3                   q = 0.8667
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 01 11    08 42 58.6 +20 23 42   0.3021  1.2749   162.6    13.4    24.5
    ...
    2018 01 26    09 07 07.9 +25 01 19   0.1603  1.1427   169.8     8.7    22.7
    ...
    2018 02 03    09 46 38.8 +31 47 22   0.09530 1.0767   162.2    16.2    21.7
    ...
    2018 02 09    11 32 18.7 +42 35 14   0.05525 1.0305   141.7    36.4    21.1
    2018 02 10    12 10 15.9 +44 27 01   0.05035 1.0232   135.3    42.7    21.0
    2018 02 11    12 57 47.0 +45 34 25   0.04640 1.0159   127.6    50.3    21.0
    ...
    2018 02 17    17 36 34.8 +23 19 23   0.05115 0.9750    73.7   103.4    23.1
    ...
    2018 02 25    19 11 34.2 +01 26 06   0.1027  0.9285    50.9   124.2    25.9
    ...
    2018 03 12    19 59 36.0 -08 21 29   0.2214  0.8743    51.8   116.7    26.8
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-C75
    

    Read MPEC 2018-C74 Read MPEC 2018-C76


    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)