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  • MPEC 2022-S287 : 2022 SD12

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    M.P.E.C. 2022-S287                           Issued 2022 September 27, 14:23 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 SD12                                
    
    
    Observations:
         K22S12D* C2022 09 22.25175017 23 30.738+11 35 27.99         22.06wUES287F51
         K22S12D  C2022 09 22.26638517 23 31.844+11 35 28.23         21.68wUES287F51
         K22S12D  C2022 09 22.27911817 23 32.812+11 35 28.29         22.54wUES287F51
         K22S12D KC2022 09 25.09837017 27 35.258+11 36 24.95         22.19GVES287I52
         K22S12D KC2022 09 25.10454717 27 35.723+11 36 25.20         21.52GVES287I52
         K22S12D KC2022 09 25.11073217 27 36.302+11 36 24.98         21.58GVES287I52
         K22S12D ^C2022 09 25.23591617 27 47.480+11 36 31.24         22.19GVES287568
         K22S12D ^C2022 09 25.23712517 27 47.580+11 36 31.21         22.19GVES287568
         K22S12D ^C2022 09 25.23848717 27 47.696+11 36 31.25         22.20GVES287568
         K22S12D ^C2022 09 27.22779017 30 53.123+11 37 09.16         21.86GVES287568
         K22S12D ^C2022 09 27.22899917 30 53.232+11 37 09.16         21.83GVES287568
         K22S12D ^C2022 09 27.23020817 30 53.341+11 37 09.17         21.82GVES287568
    
    Observer details:
    568 Mauna Kea.  Observers R. Wainscoat, A. Acohido, E. Bertin, C. Wipper.
        Measurers R. Weryk, R. Wainscoat.  3.6-m Canada-France-Hawaii Telescope +
        CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, I.
        Smith.  Measurers K. Chambers, S. Chastel, T. de Boer, J. Fairlamb, H.
        Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
        Weryk.  1.8-m Ritchey-Chretien + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer G. J. Leonard.
        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 SD12                                           PHA, Earth MOID = 0.0421 AU
    Epoch 2022 Aug. 9.0 TT = JDT 2459800.5                  Bell                    
    M 342.88925              (2000.0)            P               Q                  
    n   0.22534797     Peri.  141.43285     +0.94508995     -0.24275895             
    a   2.6744447      Node   234.01301     +0.18981475     +0.95274160             
    e   0.6419794      Incl.   15.68843     +0.26603637     +0.18262403             
    P   4.37           H   21.19          G   0.15           U   8                  
    Residuals in seconds of arc
    220922 F51  0.1+  0.1-    220925 I52  0.4-  0.4+    220925 568  0.0   0.0
    220922 F51  0.0   0.0     220925 I52  0.5+  0.1+    220927 568  0.0   0.0
    220922 F51  0.1-  0.0     220925 568  0.0   0.0     220927 568  0.0   0.0
    220925 I52  0.4+  0.2+    220925 568  0.0   0.0     220927 568  0.0   0.0
    
    Ephemeris:
    2022 SD12                a,e,i = 2.67, 0.64, 16                  q = 0.9575
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2022 08 28    17 04 04.8 +11 14 22   0.5815  1.2297    97.5    54.5    22.5
    ...
    2022 09 12    17 11 59.1 +11 30 37   0.5358  1.1182    87.4    64.1    22.3
    ...
    2022 09 20    17 20 34.3 +11 34 39   0.5017  1.0670    83.0    69.1    22.3
    ...
    2022 09 26    17 28 57.9 +11 36 49   0.4715  1.0336    80.3    73.0    22.2
    2022 09 27    17 30 31.8 +11 37 08   0.4660  1.0286    79.9    73.6    22.2
    2022 09 28    17 32 08.7 +11 37 26   0.4605  1.0236    79.5    74.3    22.2
    ...
    2022 10 04    17 42 54.3 +11 38 51   0.4250  0.9974    77.3    78.1    22.1
    ...
    2022 10 12    18 00 27.0 +11 37 55   0.3724  0.9721    75.2    83.1    21.9
    ...
    2022 10 27    18 49 23.9 +10 59 44   0.2634  0.9585    74.6    90.0    21.4
    
    M. P. C. Staff               (C) Copyright 2022 MPC           M.P.E.C. 2022-S287
    


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