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  • MPEC 2022-C158 : 2022 CG4

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    M.P.E.C. 2022-C158                             Issued 2022 February 8, 13:12 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
    
                                    2022 CG4                                 
    
    
    Observations:
         K22C04G* C2022 02 05.36780312 10 38.64 +29 09 33.9          21.94GVEC158G96
         K22C04G  C2022 02 05.37295212 10 40.42 +29 09 27.8          21.94GVEC158G96
         K22C04G  C2022 02 05.37808812 10 42.27 +29 09 22.3          21.01GVEC158G96
         K22C04G  C2022 02 05.38326412 10 44.09 +29 09 15.7          21.70GVEC158G96
         K22C04G KC2022 02 05.50793812 11 27.94 +29 06 42.5          21.43GVEC158I52
         K22C04G KC2022 02 05.51100412 11 29.03 +29 06 38.7          21.70GVEC158I52
         K22C04G KC2022 02 05.51407112 11 30.12 +29 06 34.5          21.73GVEC158I52
         K22C04G KC2022 02 06.30265912 16 31.22 +28 49 24.0          21.8 VuEC158H21
         K22C04G KC2022 02 06.30610912 16 32.47 +28 49 19.7          21.5 VuEC158H21
         K22C04G KC2022 02 06.30825412 16 33.27 +28 49 16.7          21.5 VuEC158H21
         K22C04G  C2022 02 06.49284712 17 45.080+28 45 16.53         21.88GVEC158F52
         K22C04G  C2022 02 06.50363712 17 49.105+28 45 01.16         21.44GVEC158F52
         K22C04G  C2022 02 06.51437712 17 53.072+28 44 46.79         21.09GVEC158F52
         K22C04G  C2022 02 06.52519912 17 57.054+28 44 31.68         21.33GVEC158F52
         K22C04G KC2022 02 08.46170712 31 05.51 +27 53 00.1          21.33GVEC158I52
         K22C04G KC2022 02 08.46334912 31 06.20 +27 52 56.9          21.05GVEC158I52
         K22C04G KC2022 02 08.46499012 31 06.84 +27 52 53.8          20.67GVEC158I52
         K22C04G KC2022 02 08.46663112 31 07.53 +27 52 51.1          21.36GVEC158I52
    
    Observer details:
    F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
        Lowe, A. Schultz, I. Smith.  Measurers S. Chastel, M. Huber, Y.
        Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    G96 Mt. Lemmon Survey.  Observer E. J. Christensen.  Measurers E. J.
        Christensen, G. A. Farneth, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D.
        Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, D.
        Rankin, R. L. Seaman, A. Serrano, F. C. Shelly, K. W. Wierzchos.  1.5-m
        reflector + 10K CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers T. Linder, R. Holmes, L. Horn.  0.76-m f/3.0 astrograph + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observers A. Serrano, K. W.
        Wierzchos, R. A. Kowalski.  Measurers E. J. Christensen, G. A. Farneth, J.
        B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A.
        Kowalski, S. M. Larson, G. J. Leonard, D. Rankin, R. L. Seaman, A.
        Serrano, F. C. Shelly, K. W. Wierzchos.
    
    Orbital elements:
    2022 CG4                                                 Earth MOID = 0.0158 AU
    Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
    M 337.36878              (2000.0)            P               Q                  
    n   0.35283162     Peri.  195.19404     -0.95778363     +0.28747308             
    a   1.9834643      Node     1.52331     -0.25001154     -0.82751381             
    e   0.5150603      Incl.    6.74254     -0.14193217     -0.48226561             
    P   2.79           H   23.68          G   0.15           U   9                  
    Residuals in seconds of arc
    220205 G96  0.0   0.0     220205 I52  0.1+  0.3-    220206 F52  0.2+  0.1-
    220205 G96  0.5-  0.1-    220206 H21  0.2+  0.1+    220206 F52  0.1+  0.4-
    220205 G96  0.2+  0.3+    220206 H21  0.1-  0.4+    220208 I52  0.2-  0.1+
    220205 G96  0.1+  0.2-    220206 H21  0.0   0.2+    220208 I52  0.2+  0.1-
    220205 I52  0.0   0.2-    220206 F52  0.4-  0.6+    220208 I52  0.2-  0.2-
    220205 I52  0.0   0.1-    220206 F52  0.1+  0.3-    220208 I52  0.1+  0.1+
    
    Ephemeris:
    2022 CG4                 a,e,i = 1.98, 0.52, 7                   q = 0.9619
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2022 01 09    10 25 53.8 +30 55 16   0.4100  1.3160   137.7    30.2    23.6
    ...
    2022 01 24    11 11 31.6 +31 04 59   0.2771  1.2112   140.6    31.1    22.6
    ...
    2022 02 01    11 46 14.3 +30 16 16   0.2170  1.1587   139.4    33.6    22.1
    ...
    2022 02 07    12 21 02.8 +28 32 59   0.1773  1.1217   136.6    37.2    21.7
    2022 02 08    12 27 50.6 +28 06 29   0.1712  1.1157   135.9    37.9    21.6
    2022 02 09    12 34 58.2 +27 36 30   0.1653  1.1099   135.2    38.8    21.5
    ...
    2022 02 15    13 25 30.6 +23 00 45   0.1338  1.0763   128.7    45.7    21.2
    ...
    2022 02 23    14 54 28.1 +10 48 28   0.1071  1.0368   113.6    61.0    21.1
    ...
    2022 03 10    17 48 48.2 -18 33 28   0.1250  0.9829    81.8    91.0    22.3
    
    M. P. C. Staff               (C) Copyright 2022 MPC           M.P.E.C. 2022-C158
    


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