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  • MPEC 2022-S309 : 2022 SG18

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    M.P.E.C. 2022-S309                           Issued 2022 September 28, 09:04 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 SG18                                
    
    
    Observations:
         K22S18G* C2022 09 26.40827301 17 37.302+02 57 38.41         20.30GVES309G96
         K22S18G  C2022 09 26.41347401 17 37.284+02 56 18.06         20.30GVES309G96
         K22S18G  C2022 09 26.41866001 17 37.324+02 54 55.30         20.68GVES309G96
         K22S18G  C2022 09 26.42384701 17 37.291+02 53 34.44         19.88GVES309G96
         K22S18G mC2022 09 26.46658901 17 37.410+02 42 23.54         20.48GVES309I52
         K22S18G mC2022 09 26.46735201 17 37.370+02 42 11.45         21.08GVES309I52
         K22S18G mC2022 09 26.46783501 17 37.432+02 42 04.21         20.79GVES309I52
         K22S18G mC2022 09 26.46831801 17 37.414+02 41 55.97         21.07GVES309I52
         K22S18G KC2022 09 27.28122701 18 01.116-00 51 33.84         20.66GVES309I52
         K22S18G KC2022 09 27.28205301 18 01.055-00 51 46.55         20.93GVES309I52
         K22S18G KC2022 09 27.28287801 18 01.094-00 51 59.83         20.70GVES309I52
         K22S18G 1C2022 09 28.03857 01 18 14.82 -04 11 18.8          20.8 VXES309033
         K22S18G 1C2022 09 28.03961 01 18 14.81 -04 11 34.9          21.1 VXES309033
         K22S18G 1C2022 09 28.04149 01 18 14.82 -04 12 04.9          20.6 VXES309033
         K22S18G  C2022 09 28.30061401 18 21.960-05 19 51.13         20.34GVES309G96
         K22S18G  C2022 09 28.30577201 18 21.920-05 21 12.74         20.73GVES309G96
         K22S18G  C2022 09 28.31092601 18 21.899-05 22 33.96         20.40GVES309G96
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
        Hoegner, F. Ludwig, B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3
        Schmidt + CCD.
    G96 Mt. Lemmon Survey.  Observers D. C. Fuls, R. A. Kowalski.  Measurers E. J.
        Christensen, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
        H. Groeller, J. K. Hogan, 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.
    I52 Steward Observatory, Mt. Lemmon Station.  Observers G. J. Leonard, D.
        Rankin.  Measurers E. J. Christensen, D. Fay, J. B. Fazekas, D. C. Fuls,
        A. R. Gibbs, A. D. Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M.
        Larson, G. J. Leonard, D. Rankin, R. L. Seaman, A. Serrano, F. C. Shelly,
        K. W. Wierzchos.  1.0-m prime focus + CCD.
    
    Orbital elements:
    2022 SG18                                                Earth MOID = 0.0260 AU
    Epoch 2022 Aug. 9.0 TT = JDT 2459800.5                  MPC                     
    M 171.03829              (2000.0)            P               Q                  
    n   0.89286516     Peri.  329.75117     -0.89050441     -0.45378887             
    a   1.0681005      Node   183.75123     +0.44763102     -0.88675840             
    e   0.0492719      Incl.   30.11509     -0.08141476     +0.08795004             
    P   1.10           H   24.52          G   0.15           U   8                  
    Residuals in seconds of arc
    220926 G96  0.2-  0.3-    220926 I52  0.5+  0.4+    220928 033  0.1-  0.3-
    220926 G96  0.4-  0.9+    220926 I52  0.2+  0.3-    220928 033  0.0   0.6-
    220926 G96  0.2+  0.5-    220927 I52  0.6+  0.2-    220928 G96  0.1-  0.3+
    220926 G96  0.3-  0.1+    220927 I52  0.3-  0.1+    220928 G96  0.1-  0.1-
    220926 I52  0.2+  0.2+    220927 I52  0.4+  0.1-    220928 G96  0.1+  0.1-
    220926 I52  0.4-  0.1+    220928 033  0.0   0.6-
    
    Ephemeris:
    2022 SG18                a,e,i = 1.07, 0.05, 30                  q = 1.0155
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2022 08 29    00 47 19.8 +59 27 06   0.2833  1.1202   105.6    60.3    24.2
    ...
    2022 09 13    01 07 49.9 +44 32 38   0.1733  1.1171   126.1    46.7    22.7
    ...
    2022 09 21    01 14 45.6 +24 22 53   0.1281  1.1145   147.6    28.8    21.6
    ...
    2022 09 27    01 17 53.0 +00 23 21   0.1137  1.1121   163.8    14.6    20.8
    2022 09 28    01 18 14.7 -03 59 54   0.1136  1.1117   163.6    14.8    20.9
    2022 09 29    01 18 34.1 -08 21 28   0.1143  1.1112   162.0    16.1    20.9
    ...
    2022 10 05    01 19 47.9 -31 19 27   0.1318  1.1083   143.0    32.9    21.7
    ...
    2022 10 13    01 20 11.7 -49 54 45   0.1783  1.1040   122.5    49.7    22.8
    ...
    2022 10 28    01 20 36.5 -63 29 17   0.2860  1.0944   103.0    62.2    24.2
    
    A. U. Tomatic                (C) Copyright 2022 MPC           M.P.E.C. 2022-S309
    


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