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  • MPEC 2023-F237 : 2018 SE3

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    M.P.E.C. 2023-F237                               Issued 2023 March 30, 14:06 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
    
                                    2018 SE3                                 
    
    
                               Revision to MPEC 2018-T29                            
    
    Additional Observations:
         K18S03E KC2018 09 30.42815322 38 11.931+07 29 55.96         21.21GVEF237F52
         K18S03E  C2023 03 27.34191910 50 20.833-09 37 03.29         21.47GVEF237F52
         K18S03E  C2023 03 27.35337810 50 20.611-09 34 52.72         20.56GVEF237F52
         K18S03E  C2023 03 27.36482710 50 20.399-09 32 42.84         20.90GVEF237F52
         K18S03E KC2023 03 29.26358510 50 26.149-03 31 42.06         20.43GVEF237I52
         K18S03E KC2023 03 29.26780110 50 26.074-03 30 54.07         21.16GVEF237I52
         K18S03E KC2023 03 29.27028510 50 26.070-03 30 25.42         20.72GVEF237I52
         K18S03E KC2023 03 29.27276510 50 26.020-03 29 57.34         21.26GVEF237I52
    
    Observer details:
    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 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.  1.0-m prime focus + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    180930 F52 0.00+ 0.00+    230329 I52 2.92+ 0.69+    MPO458779   -1.29 days
    
    Orbital elements:
    2018 SE3                                                 Earth MOID = 0.1748 AU
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
    M 256.02536              (2000.0)            P               Q                  
    n   0.77131206     Peri.   78.48557     -0.10748732     +0.99179851             
    a   1.1775589      Node   186.63911     -0.96994727     -0.08933895             
    e   0.0187076      Incl.   36.73638     +0.21828597     +0.09140165             
    P   1.28           H   23.45          G   0.15           U   3                  
    Residuals in seconds of arc
    180930 G96  0.1-  0.0     181002 H21  0.5-  0.8+    181016 807  0.0   0.1-
    180930 G96  0.1-  0.2+    181002 H21  0.1+  0.3+    181016 807  0.1+  0.2+
    180930 G96  0.3+  1.2-    181002 H21  0.0   0.0     181016 807  0.4+  0.0
    180930 G96  0.2+  0.2-    181002 807  0.0   0.1-    181018 807  0.0   0.1-
    180930 H21  0.1+  0.1+    181002 807  0.1+  0.0     181018 807  0.1-  0.1+
    180930 H21  0.1+  0.2+    181002 807  0.0   0.1-    181018 807  0.3-  0.1+
    180930 H21  0.6+  0.1-    181002 L01  0.0   0.1-    230327 F52  0.1+  0.3-
    180930 I52  0.1+  0.6+    181002 L01  0.2+  0.3-    230327 F52  0.1-  0.2+
    180930 I52  0.3-  0.1+    181005 I52  0.5-  0.2+    230327 F52  0.1-  0.0
    180930 I52  0.2-  0.1+    181005 I52  0.7+  0.1+    230329 I52  0.6+  0.0
    180930 I52  0.1+  0.1+    181005 I52  0.0   0.2+    230329 I52  0.1+  0.1-
    180930 F52  0.3-  0.2+    181005 I52  0.1+  0.3-    230329 I52  0.4+  0.2+
    181001 H21  0.1-  0.1+    181006 291  0.0   0.0     230329 I52  0.0   0.0
    181001 H21  0.0   0.4-    181006 291  0.4-  0.0
    181001 H21  0.0   0.6-    181006 291  0.5-  0.5-
    
    Ephemeris:
    2018 SE3                 a,e,i = 1.18, 0.02, 37                  q = 1.1555
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 02 28    11 03 25.4 -58 13 15   0.3632  1.1824   113.4    50.3    23.5
    ...
    2023 03 15    10 54 05.7 -41 25 50   0.2421  1.1780   135.0    36.6    22.2
    ...
    2023 03 23    10 50 51.4 -22 45 02   0.1998  1.1756   151.3    24.0    21.4
    ...
    2023 03 29    10 50 24.8 -04 21 32   0.1902  1.1739   155.5    20.6    21.2
    2023 03 30    10 50 32.2 -01 11 46   0.1908  1.1736   154.6    21.4    21.2
    2023 03 31    10 50 43.0 +01 56 01   0.1921  1.1733   153.2    22.6    21.3
    ...
    2023 04 06    10 53 00.8 +18 58 44   0.2121  1.1715   140.4    33.0    21.8
    ...
    2023 04 14    10 59 09.2 +35 01 26   0.2628  1.1693   123.7    45.5    22.6
    ...
    2023 04 29    11 18 45.4 +49 39 29   0.3878  1.1653   104.4    56.8    23.8
    
    A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-F237
    


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