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  • MPEC 2022-U268 : 2022 SG144

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    M.P.E.C. 2022-U268                             Issued 2022 October 26, 15:31 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 SG144                                
    
    
    Observations:
         K22SE4G KC2022 08 19.47982400 49 20.825-33 05 20.83         22.49GVEU268F52
         K22SE4G  C2022 09 05.45845500 54 33.379-34 25 50.85         21.87GVEU268F51
         K22SE4G  C2022 09 05.46881600 54 33.264-34 25 52.50         22.13GVEU268F51
         K22SE4G  C2022 09 05.47917800 54 33.169-34 25 54.18         21.83GVEU268F51
         K22SE4G* C2022 09 17.43460300 50 19.706-34 20 14.15         22.28wUEU268F51
         K22SE4G  C2022 09 17.45520700 50 18.779-34 20 09.32         21.88wUEU268F51
         K22SE4G  C2022 09 17.46551200 50 18.328-34 20 06.77         21.39wUEU268F51
         K22SE4G  C2022 09 17.55814100 50 14.069-34 19 42.14         21.52GVEU268F52
         K22SE4G  C2022 09 17.55877000 50 14.065-34 19 42.03         21.26GVEU268F52
         K22SE4G  C2022 09 21.40714300 47 27.077-33 57 32.31         21.31GVEU268F52
         K22SE4G  C2022 09 21.41682100 47 26.526-33 57 28.35         21.38GVEU268F52
         K22SE4G  C2022 09 21.42648900 47 25.985-33 57 24.04         21.89GVEU268F52
         K22SE4G  C2022 09 21.43617800 47 25.443-33 57 20.26         21.32GVEU268F52
         K22SE4G  C2022 10 01.37644300 37 38.794-31 54 49.28         21.25GVEU268F52
         K22SE4G  C2022 10 01.38594500 37 38.068-31 54 39.12         21.06GVEU268F52
         K22SE4G  C2022 10 01.39548200 37 37.349-31 54 29.05         21.27GVEU268F52
         K22SE4G  C2022 10 15.39264900 21 31.279-25 40 58.29         21.74GVEU268F52
         K22SE4G  C2022 10 15.39527400 21 31.092-25 40 52.95         21.46GVEU268F52
         K22SE4G  C2022 10 24.35744600 13 03.474-19 29 47.22         21.29wUEU268F51
         K22SE4G  C2022 10 24.36759600 13 02.907-19 29 18.84         21.14wUEU268F51
         K22SE4G  C2022 10 24.37772900 13 02.348-19 28 50.41         21.17wUEU268F51
         K22SE4G  C2022 10 24.43669800 12 59.122-19 26 04.41         21.17GVEU268F52
         K22SE4G  C2022 10 24.43732800 12 59.100-19 26 02.70         21.31GVEU268F52
         K22SE4G KC2022 10 25.19142000 12 26.284-18 50 35.84         21.31GVEU268I52
         K22SE4G KC2022 10 25.19304200 12 26.240-18 50 30.55         21.56GVEU268I52
         K22SE4G KC2022 10 25.19466400 12 26.107-18 50 26.27         20.88GVEU268I52
         K22SE4G KC2022 10 25.19628400 12 26.060-18 50 21.37         20.79GVEU268I52
         K22SE4G KC2022 10 25.38052100 12 18.21 -18 41 08.7          21.0 GVEU268474
         K22SE4G KC2022 10 25.38345900 12 18.07 -18 41 00.5          20.7 GVEU268474
         K22SE4G KC2022 10 25.38639800 12 17.93 -18 40 52.0          20.9 GVEU268474
         K22SE4G KC2022 10 25.38933600 12 17.80 -18 40 43.5          20.7 GVEU268474
    
    Observer details:
    474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore, P. M.
        Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A.
        Schultz, I. Smith.  Measurers S. Chastel, J. Fairlamb, M. Huber, Y.
        Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, T. de Boer, H. Gao,
        C.-C. Lin, E. Magnier.  1.8-m Ritchey-Chretien + CCD.
    F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
        Lowe, A. Schultz, I. Smith.  Measurers S. Chastel, J. Fairlamb, M. Huber,
        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 SG144                                               Earth MOID = 0.2966 AU
    Epoch 2022 Aug. 9.0 TT = JDT 2459800.5                  Bell                    
    M 341.94661              (2000.0)            P               Q                  
    n   0.17441867     Peri.    3.65410     +0.73475324     -0.65087669             
    a   3.1725421      Node    39.21838     +0.61444896     +0.51929567             
    e   0.5942280      Incl.   17.58675     +0.28738503     +0.55379738             
    P   5.65           H   21.33          G   0.15           U   5                  
    Residuals in seconds of arc
    220819 F52  0.0   0.1-    220921 F52  0.2-  0.2+    221024 F52  0.1+  0.0
    220905 F51  0.0   0.1-    220921 F52  0.1-  0.2-    221025 I52  0.1-  0.4-
    220905 F51  0.1-  0.0     221001 F52  0.0   0.1-    221025 I52  0.5+  0.3+
    220905 F51  0.1+  0.0     221001 F52  0.1-  0.1+    221025 I52  0.2-  0.1-
    220917 F51  0.2-  0.0     221001 F52  0.1-  0.1+    221025 I52  0.3+  0.2+
    220917 F51  0.0   0.1-    221015 F52  0.1-  0.1-    221025 474  0.2-  0.1-
    220917 F51  0.3+  0.0     221015 F52  0.0   0.4-    221025 474  0.1-  0.2-
    220917 F52  0.1+  0.3+    221024 F51  0.1+  0.1+    221025 474  0.0   0.1-
    220917 F52  0.4+  0.2+    221024 F51  0.0   0.0     221025 474  0.3+  0.0
    220921 F52  0.1-  0.1+    221024 F51  0.0   0.0
    220921 F52  0.2-  0.0     221024 F52  0.1-  0.0
    
    Ephemeris:
    2022 SG144               a,e,i = 3.17, 0.59, 18                  q = 1.2873
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2022 09 26    00 43 19.0 -33 13 39   0.4958  1.4368   144.8    23.7    21.7
    ...
    2022 10 11    00 26 28.2 -28 05 27   0.4305  1.3702   143.9    25.4    21.3
    ...
    2022 10 19    00 17 47.0 -23 23 10   0.4082  1.3416   142.0    27.2    21.2
    ...
    2022 10 25    00 12 34.5 -18 59 25   0.3977  1.3238   139.9    29.0    21.2
    2022 10 26    00 11 51.6 -18 11 37   0.3966  1.3212   139.5    29.3    21.2
    2022 10 27    00 11 11.7 -17 22 49   0.3955  1.3186   139.1    29.6    21.2
    ...
    2022 11 02    00 08 20.1 -12 12 12   0.3929  1.3053   136.4    31.6    21.2
    ...
    2022 11 10    00 07 46.5 -04 46 56   0.3986  1.2932   132.4    34.4    21.3
    ...
    2022 11 25    00 16 59.2 +09 05 45   0.4375  1.2884   124.9    38.9    21.6
    
    M. P. C. Staff               (C) Copyright 2022 MPC           M.P.E.C. 2022-U268
    


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