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  • MPEC 2024-E172 : 2015 LS24

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    M.P.E.C. 2024-E172                               Issued 2024 March 13, 14:08 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
    
                                    2015 LS24                                
    
    
                               Revision to MPEC 2015-M16                            
    
    Additional Observations:
         K15L24S  C2024 02 15.53534112 48 45.207-15 07 28.05         22.76GVEE172F51
         K15L24S  C2024 02 15.54811512 48 45.424-15 07 34.09         21.74GVEE172F51
         K15L24S  C2024 02 15.56085912 48 45.651-15 07 39.68         22.43GVEE172F51
         K15L24S 2C2024 03 09.03039312 48 43.645-17 17 26.93         21.5 GVEE172J04
         K15L24S 2C2024 03 09.04701612 48 43.189-17 17 30.75         21.8 GVEE172J04
         K15L24S 1C2024 03 09.96528812 48 20.859-17 20 50.02         21.6 GVEE172N50
         K15L24S 1C2024 03 09.96840812 48 20.741-17 20 51.08         21.1 GVEE172N50
    
    Observer details:
    F51 Pan-STARRS 1, Haleakala.  Observers J. Herman, T. Lowe, P. Minguez, A.
        Schultz, I. Smith.  Measurers K. Chambers, 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.
    J04 ESA Optical Ground Station, Tenerife.  Observers P. Ruiz, M. Micheli, L.
        Conversi.  Measurers M. Micheli, R. Kresken, F. Ocana.  1.0-m f/4.4
        reflector + CCD.
    N50 Himalayan Chandra Telescope, IAO, Hanle.  Observers Y. Patel, D. K. Sahu,
        T. Santana-Ros, F. Ocana, M. Micheli, L. Conversi.  Measurers M.
        Micheli, F. Ocana.  2.01-m reflector + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    240215 F51 65.7+ 25.5+    240309 N50 93.8+ 39.0+    E2023-Y91   +0.08 days
    
    Orbital elements:
    2015 LS24                                                Earth MOID = 0.0921 AU
    Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
    M 337.07151              (2000.0)            P               Q                  
    n   0.21561609     Peri.   16.18499     +0.10474258     +0.98979553             
    a   2.7543256      Node   259.90366     -0.92297056     +0.06057288             
    e   0.5988441      Incl.    5.63157     -0.37034355     +0.12897958             
    P   4.57           H   19.94          G   0.15           U   1                  
    Residuals in seconds of arc
    150614 G96  0.2-  0.3+    150622 291  0.1+  0.1-    151001 291  0.1-  0.1+
    150614 G96  0.1-  0.1+    150622 291  0.7+  0.1+    151001 291  0.4-  0.0
    150614 G96  0.7+  0.6+    150622 291  0.0   0.2+    151001 291  0.3+  0.0
    150614 G96  0.6-  0.2-    150710 568  0.0   0.0     151003 G96  0.2+  0.2+
    150615 291  0.0   0.1+    150710 568  0.0   0.1-    151003 G96  0.1+  0.9-
    150615 291  0.3-  0.3-    150710 568  0.0   0.1-    151003 G96  0.1-  0.6+
    150615 291  0.8-  0.1+    150725 F51  0.1-  0.1-    151003 G96  0.1+  0.5+
    150616 926  0.1-  0.4-    150725 F51  0.0   0.1-    151004 G96  0.3-  0.2+
    150616 926  0.2+  0.3-    150725 F51  0.0   0.1-    151004 G96  0.2-  0.5+
    150616 291  0.0   0.0     150813 705  0.1-  0.1+    151004 G96  0.0   0.6-
    150616 926  1.0+  0.2+    150813 705  0.0   0.0     151004 G96  0.8-  0.6+
    150616 291  0.1-  0.1+    150813 705  0.1+  0.1-    240215 F51  0.1+  0.2+
    150616 291  0.1-  0.1-    150815 J04  0.2+  0.2+    240215 F51  0.1+  0.2-
    150617 I52  0.3+  0.0     150815 J04  0.1-  0.0     240215 F51  0.3+  0.1-
    150617 I52  0.5-  0.3+    150815 J04  0.0   0.1+    240309 J04  0.1+  0.2+
    150617 I52  1.0-  0.6+    150906 291  0.0   0.1-    240309 J04  0.3-  0.2+
    150618 568  0.0   0.0     150906 291  0.0   0.0     240309 N50  0.4+  0.5+
    150618 568  0.0   0.0     150906 291  0.2-  0.0     240309 N50  0.0   0.1+
    
    Ephemeris:
    2015 LS24                a,e,i = 2.75, 0.60, 6                   q = 1.1049
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2024 02 12    12 47 25.7 -14 40 50   1.2991  2.0354   125.3    23.3    23.2
    ...
    2024 02 27    12 50 44.0 -16 23 38   1.0644  1.9211   138.4    20.0    22.5
    ...
    2024 03 06    12 49 41.9 -17 05 00   0.9528  1.8594   145.9    17.4    22.1
    ...
    2024 03 12    12 47 26.4 -17 27 22   0.8762  1.8130   151.6    15.1    21.8
    2024 03 13    12 46 56.1 -17 30 15   0.8641  1.8053   152.6    14.7    21.7
    2024 03 14    12 46 23.6 -17 32 52   0.8522  1.7975   153.5    14.3    21.7
    ...
    2024 03 20    12 42 22.8 -17 42 44   0.7844  1.7510   159.1    11.7    21.3
    ...
    2024 03 28    12 35 05.1 -17 38 19   0.7048  1.6891   165.2     8.7    20.9
    ...
    2024 04 12    12 17 00.6 -16 27 01   0.5893  1.5740   162.3    11.2    20.5
    
    A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-E172
    


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