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  • MPEC 2023-R164 : 2002 SQ41

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    M.P.E.C. 2023-R164                           Issued 2023 September 12, 19:37 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets, routine data on comets and natural satellites,
             and occasional editorial announcements.  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
    
                                    2002 SQ41                                
    
    
                                Revision to MPEC 2002-T3                            
    
    Additional Observations:
         K02S41Q  C2023 09 08.55202801 08 17.560-21 16 33.07         21.81wXER164F51
         K02S41Q  C2023 09 08.56493401 08 16.543-21 16 42.98         21.62wXER164F51
         K02S41Q  C2023 09 08.57584801 08 15.697-21 16 51.57         21.64wXER164F51
         K02S41Q KC2023 09 09.34589501 07 17.087-21 26 57.37         21.91GVER164V06
         K02S41Q KC2023 09 09.34841901 07 16.885-21 26 59.21         21.87GVER164V06
         K02S41Q KC2023 09 09.35094401 07 16.680-21 27 00.79         22.05GVER164V06
         K02S41Q KC2023 09 09.35346901 07 16.468-21 27 03.10         22.24GVER164V06
         K02S41Q KC2023 09 10.43607 01 05 47.71 -21 41 25.9          21.9 RVER164691
         K02S41Q KC2023 09 10.44983 01 05 46.49 -21 41 36.8          22.4 RVER164691
         K02S41Q KC2023 09 10.46361 01 05 45.27 -21 41 47.8          22.6 RVER164691
    
    Observer details:
    691 Steward Observatory, Kitt Peak-Spacewatch.  Observer R. A. Mastaler.
        0.9-m f/3 reflector + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, P. Minguez, A.
        Schultz, I. Smith.  Measurers K. Chambers, T. de Boer, J. Bulger, J.
        Fairlamb, H. Gao, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, P. Minguez, Y.
        Ramanjooloo, A. Schultz, I. Smith, R. Wainscoat, R. Weryk.  1.8-m Ritchey-
        Chretien + CCD.
    V06 Catalina Sky Survey-Kuiper.  Observer J. B. Fazekas.  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.  1.55-m
        reflector + 1K CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    230908 F51 1.30+ 0.86+    230910 691 1.34+ 0.87+    MPO 66282   +2.12 days
    
    Orbital elements:
    2002 SQ41                                           PHA, Earth MOID = 0.0157 AU
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
    M 336.83369              (2000.0)            P               Q                  
    n   0.23334064     Peri.   96.02909     -0.42871805     -0.88986728             
    a   2.6130183      Node    21.56911     +0.56503465     -0.39884123             
    e   0.7986952      Incl.   25.10995     +0.70493736     -0.22149919             
    P   4.22           H   20.27          G   0.15           U   0                  
    Residuals in seconds of arc
    020929 608  0.7+  0.1+    021001 246  0.1+  0.1+    021012 176  0.3-  0.4+
    020929 608  1.2+  1.0+    021002 422  0.2-  0.2+    021012 176  0.5-  0.4+
    020929 608  0.8+  0.6+    021002 422  0.3-  0.6+    021012 176  0.6-  0.4+
    020930 649  1.0+  0.7+    021002 422  0.4+  0.7+    021013 649  0.4+  0.3+
    020930 649  0.4-  2.2-    021002 608  0.1+  0.1-    021013 649  0.1+  0.6+
    020930 649  0.1-  1.4+    021002 608  0.3-  1.0+    021013 649  0.1+  0.1+
    020930 673 (2.2-  1.2+)   021002 608  0.1+  0.1+    021016 649  0.3-  0.0
    020930 673 (2.4-  1.1+)   021005 474  0.7+  1.0-    021016 649  0.4+  0.0
    020930 673 (2.3-  1.3+)   021005 474  0.9+  1.0-    021016 649  0.7-  0.5-
    020930 651  0.5-  0.3+    021005 474  1.1+  1.0-    021016 413  0.2+  0.1+
    020930 651  0.6-  0.1+    021006 474  0.0   0.1-    021016 413  0.1-  0.0
    020930 651  0.3+  0.1+    021006 474  0.1-  0.1-    021016 413  0.3+  0.0
    020930 651  0.9+  0.1+    021006 474  0.0   0.2-    021018 413  0.1-  0.0
    020930 696  0.0   0.4-    021006 474  0.3+  0.0     021018 413  0.1-  0.2+
    020930 696  0.0   0.1-    021007 649  0.3+  0.0     021018 413  0.1-  0.1+
    020930 608  0.1-  0.5-    021007 649  0.3+  0.0     021020 413  0.4-  0.0
    020930 608  0.7-  0.4-    021007 649  0.4+  0.2+    021020 413  0.1+  0.4-
    020930 608  1.0-  0.2+    021007 644  0.7-  0.8+    021020 413  0.3+  0.2-
    021001 557  0.1-  0.8+    021007 644  0.4-  0.6+    021021 649  0.1-  0.1-
    021001 557  0.2+  0.7+    021007 644  0.9-  0.2+    021021 649  0.1+  0.1+
    021001 673  1.1-  1.2+    021007 474  0.1+  0.0     021021 649  0.0   0.1+
    021001 673  1.0-  1.0+    021007 474  0.1+  0.4-    230908 F51  0.1+  0.1-
    021001 673  1.1-  1.2+    021010 649  0.3+  0.0     230908 F51  0.1+  0.0
    021001 608  0.2+  1.2-    021010 649  0.3+  0.1-    230908 F51  0.3+  0.2-
    021001 608  0.0   0.4-    021010 649  0.3+  0.1+    230909 V06  0.2+  0.6-
    021001 608  0.6+  0.1+    021011 649  0.1-  0.1+    230909 V06  0.3+  0.4-
    021001 246  0.6+  0.2+    021011 649  0.3+  0.3+    230909 V06  0.4+  0.0
    021001 246  0.9+  0.0     021011 649  0.3+  0.2+    230909 V06  0.3+  0.3-
    021001 246  0.3+  0.5+    021012 860  1.1-  1.9-    230910 691  0.4-  0.3-
    021001 246  0.5-  0.1-    021012 860  3.1+  1.6-    230910 691  0.4-  0.2-
    021001 246  0.5+  0.2+    021012 176  0.0   0.4+    230910 691  0.4-  0.2-
    
    Ephemeris:
    2002 SQ41                a,e,i = 2.61, 0.80, 25                  q = 0.5260
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 08 13    01 19 07.2 -17 05 34   1.3017  2.0553   124.7    23.9    23.5
    ...
    2023 08 28    01 17 41.1 -19 04 05   1.0251  1.8947   137.1    21.3    22.8
    ...
    2023 09 05    01 12 11.5 -20 31 56   0.8905  1.8053   143.8    19.3    22.3
    ...
    2023 09 11    01 04 59.4 -21 48 52   0.7967  1.7364   148.4    17.7    21.9
    2023 09 12    01 03 28.9 -22 02 30   0.7818  1.7248   149.1    17.5    21.8
    2023 09 13    01 01 52.5 -22 16 19   0.7670  1.7131   149.7    17.2    21.8
    ...
    2023 09 19    00 49 59.3 -23 42 19   0.6828  1.6421   152.8    16.2    21.4
    ...
    2023 09 27    00 27 05.4 -25 36 45   0.5835  1.5448   152.8    17.2    21.0
    ...
    2023 10 12    23 17 19.4 -27 37 20   0.4432  1.3541   136.4    30.6    20.5
    
    A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-R164
    


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