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  • MPEC 2021-C196 : 2021 CE5

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    M.P.E.C. 2021-C196                            Issued 2021 February 11, 11:54 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
    
                                    2021 CE5                                 
    
    
    Observations:
         K21C05E*HC2021 02 08.38354811 32 50.39 -06 55 16.0          20.41GVEC196G96
         K21C05E HC2021 02 08.39385511 32 27.56 -06 59 40.9                VEC196G96
         K21C05E HC2021 02 08.39901311 32 15.96 -07 01 55.1                VEC196G96
         K21C05E KC2021 02 08.46033111 30 00.36 -07 28 04.0          19.86GVEC196I52
         K21C05E KC2021 02 08.46160211 29 57.51 -07 28 36.3          20.09GVEC196I52
         K21C05E KC2021 02 08.46287211 29 54.72 -07 29 09.1          19.88GVEC196I52
         K21C05E KC2021 02 08.51003511 28 11.26 -07 49 04.0          20.38GVEC196I52
         K21C05E KC2021 02 08.51131911 28 08.45 -07 49 36.0          19.98GVEC196I52
         K21C05E KC2021 02 08.51259811 28 05.68 -07 50 08.7          20.14GVEC196I52
         K21C05E 4C2021 02 09.10425 11 07 46.21 -11 48 11.4          20.4 GVEC196J04
         K21C05E 4C2021 02 09.10610 11 07 42.32 -11 48 54.5          20.2 GVEC196J04
         K21C05E 4C2021 02 09.10792 11 07 38.52 -11 49 35.7          20.4 GVEC196J04
         K21C05E KC2021 02 09.29801311 01 23.18 -13 00 51.2          20.07GVEC196I52
         K21C05E KC2021 02 09.30187011 01 15.26 -13 02 16.7          20.00GVEC196I52
         K21C05E KC2021 02 09.30300111 01 12.99 -13 02 41.3          20.10GVEC196I52
         K21C05E KC2021 02 11.27086510 04 01.74 -22 37 16.0          20.55GVEC196I52
         K21C05E KC2021 02 11.27234310 03 59.42 -22 37 37.4          20.42GVEC196I52
         K21C05E KC2021 02 11.27381710 03 57.18 -22 37 55.7          20.33GVEC196I52
         K21C05E KC2021 02 11.27529210 03 54.82 -22 38 15.6          20.09GVEC196I52
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  Measurers E. J. Christensen,
        G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A.
        Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D. Rankin, R. L.
        Seaman, F. C. Shelly, K. W. Wierzchos.  1.5-m reflector + 10K CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observers H. Groeller, D.
        Rankin, T. A. Pruyne.  Measurers E. J. Christensen, G. A. Farneth, D. C.
        Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A. Kowalski, S. M.
        Larson, G. J. Leonard, T. A. Pruyne, D. Rankin, R. L. Seaman, F. C.
        Shelly, K. W. Wierzchos.  1.0-m reflector + CCD.
    J04 ESA Optical Ground Station, Tenerife.  Observer D. Abreu.  Measurers A.
        Knofel, D. Koschny, M. Busch, M. Micheli, E. Schwab, R. Kresken.  1.0-m
        f/4.4 reflector + CCD.
    
    Orbital elements:
    2021 CE5                                                 Earth MOID = 0.0290 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
    M  20.65529              (2000.0)            P               Q
    n   0.91005860     Peri.   84.82942     +0.62465542     -0.71634651
    a   1.0546050      Node   320.32931     +0.36857880     +0.62144232
    e   0.2325222      Incl.   29.14389     +0.68844410     +0.31726507
    P   1.08           H   25.5           G   0.15           U   8
    Residuals in seconds of arc
    210208 G96  0.4+  0.6+    210208 I52  0.0   0.2-    210209 I52  0.1-  0.3+
    210208 G96  1.3+  1.3+    210208 I52  0.3+  0.7-    210211 I52  0.0   0.4+
    210208 G96  1.0-  0.2-    210209 J04  0.2+  0.5+    210211 I52  0.2-  1.2-
    210208 I52  0.1+  0.2-    210209 J04  0.1-  0.2-    210211 I52  0.6+  0.3+
    210208 I52  0.6-  0.1-    210209 J04  0.1-  0.3+    210211 I52  0.2-  0.2+
    210208 I52  0.5-  0.6-    210209 I52  0.4+  0.1+
    210208 I52  0.1+  0.6-    210209 I52  0.6-  0.1-
    
    Ephemeris:
    2021 CE5                 a,e,i = 1.05, 0.23, 29                  q = 0.8094
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 01 12    17 37 44.6 +38 55 36   0.2369  0.9149    66.4    99.8    25.8
    ...
    2021 01 27    16 29 19.8 +37 12 58   0.1110  0.9729    80.7    92.8    24.0
    ...
    2021 02 04    14 09 15.3 +22 52 38   0.05238 1.0049   110.0    67.2    21.5
    ...
    2021 02 10    10 39 08.1 -16 57 10   0.05093 1.0288   144.8    33.6    20.5
    2021 02 11    10 10 55.8 -21 32 34   0.05633 1.0328   143.5    34.7    20.8
    2021 02 12    09 46 43.5 -25 01 11   0.06266 1.0367   141.2    36.6    21.1
    ...
    2021 02 18    08 22 07.7 -33 38 25   0.1101  1.0602   128.4    46.9    22.6
    ...
    2021 02 26    07 41 46.2 -35 38 20   0.1810  1.0906   119.5    52.2    23.9
    ...
    2021 03 13    07 23 45.7 -35 19 06   0.3156  1.1437   110.6    54.4    25.3
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-C196
    


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