• MPC Preparation (Info)

    • MPEC 2018-C82 : 2018 CS2

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    M.P.E.C. 2018-C82                                Issued 2018 Feb. 12, 15:00 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 CS2

Observations:
     K18C02S* C2018 02 08.43005 14 41 03.28 +40 26 36.1          21.0 GUEC082G96
     K18C02S  C2018 02 08.43529 14 40 57.93 +40 27 24.7          20.4 GUEC082G96
     K18C02S  C2018 02 08.44049 14 40 52.62 +40 28 11.9          20.7 GUEC082G96
     K18C02S  C2018 02 08.44570 14 40 47.34 +40 28 59.4          20.9 GUEC082G96
     K18C02S  C2018 02 08.48861914 40 02.33 +40 35 23.9          20.8 GUEC082H01
     K18C02S  C2018 02 08.49055 14 40 01.15 +40 35 45.2          21.7 GUEC082V06
     K18C02S  C2018 02 08.49320 14 39 58.47 +40 36 08.4          21.4 GUEC082V06
     K18C02S  C2018 02 08.49453 14 39 57.08 +40 36 20.5          21.2 GUEC082V06
     K18C02S  C2018 02 08.49519014 39 55.52 +40 36 22.2          20.2 GUEC082H01
     K18C02S  C2018 02 08.50362014 39 46.79 +40 37 36.9          21.5 GUEC082H01
     K18C02S  C2018 02 08.50933014 39 40.86 +40 38 27.3          20.6 GUEC082H01
     K18C02S  C2018 02 09.40000 14 24 51.38 +42 48 23.2          20.2 GUEC082I52
     K18C02S  C2018 02 09.40165 14 24 49.48 +42 48 38.7                UEC082I52
     K18C02S  C2018 02 09.40331 14 24 47.49 +42 48 55.3          20.5 GUEC082I52
     K18C02S  C2018 02 09.40497 14 24 45.72 +42 49 10.2          21.0 GUEC082I52
     K18C02S KC2018 02 11.04807 13 51 18.56 +46 43 57.0          20.4 VSEC082L01
     K18C02S KC2018 02 11.05095 13 51 14.38 +46 44 21.4          20.3 VSEC082L01
     K18C02S KC2018 02 11.05358 13 51 10.52 +46 44 44.5          20.2 VSEC082L01

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.  Observer 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.
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 CS2                                                 Earth MOID = 0.0247 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 198.30271              (2000.0)            P               Q
n   1.35312077     Peri.  356.64934     +0.96253254     +0.27069833
a   0.8095525      Node   347.60968     -0.24703310     +0.85114127
e   0.2760937      Incl.    4.25559     -0.11182912     +0.44975655
P   0.73           H   25.5           G   0.15           U   9
Residuals in seconds of arc
180208 G96  1.1+  0.1-    180208 V06  0.7-  0.1-    180209 I52  0.2-  0.7-
180208 G96  0.4+  0.5+    180208 V06  0.8-  0.1+    180209 I52  1.0-  0.4+
180208 G96  0.1-  0.1+    180208 H01  0.4+  0.0     180209 I52  0.6+  0.1-
180208 G96  0.1+  0.0     180208 H01  0.5+  0.0     180211 L01  0.3+  0.4+
180208 H01  0.4+  0.1+    180208 H01  0.6+  0.0     180211 L01  0.2+  0.1-
180208 V06  1.4-  0.4+    180209 I52  0.2-  0.8-    180211 L01  0.2-  0.2+

Ephemeris:
2018 CS2                 a,e,i = 0.81, 0.28, 4                   q = 0.5860
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 01 13    16 55 49.0 +07 13 18   0.1070  0.9168    48.9   126.0    25.8
...
2018 01 28    16 13 09.3 +19 46 20   0.06716 0.9706    75.9   100.3    23.2
...
2018 02 05    15 22 58.3 +32 37 54   0.04877 0.9927    96.6    80.6    21.7
...
2018 02 11    13 52 16.3 +46 37 29   0.03947 1.0062   118.2    59.8    20.6
2018 02 12    13 27 58.9 +48 49 01   0.03863 1.0082   122.1    56.0    20.5
2018 02 13    13 00 28.8 +50 42 59   0.03805 1.0101   125.9    52.4    20.4
...
2018 02 19    09 52 15.0 +51 14 41   0.04058 1.0200   140.1    38.5    20.1
...
2018 02 27    07 47 33.0 +37 20 48   0.05661 1.0289   131.8    45.9    21.1
...
2018 03 14    06 55 57.8 +22 36 45   0.1000  1.0323   109.8    65.0    22.9

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-C82

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