[Iaude] MPEC A01: 2011 AL24 [a=1.72,e=0.35,i=7.8,H=22.33]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun Dec 31 19:32:51 EST 2023


M.P.E.C. 2024-A01                               Issued 2024 January 1, 00:31 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                   2011 AL24                                    


                           Revision to MPEC 2011-A47                            

Additional Observations:
     K11A24L 1C2020 01 24.19660 04 45 53.56 +21 44 57.8          21.6 GVEA001G96
     K11A24L 1C2020 01 24.20220 04 45 53.82 +21 44 47.9          21.1 GVEA001G96
     K11A24L 1C2020 01 24.20780 04 45 54.03 +21 44 38.0          21.1 GVEA001G96
     K11A24L 1C2020 01 24.21340 04 45 54.26 +21 44 28.0          21.4 GVEA001G96
     K11A24L 1C2020 01 31.15012 04 54 01.71 +18 26 18.8          21.5 GVEA001G96
     K11A24L 1C2020 01 31.15571 04 54 02.10 +18 26 09.9          21.7 GVEA001G96
     K11A24L 1C2020 01 31.16131 04 54 02.56 +18 26 00.9          21.1 GVEA001G96

Observer details:
G96 Mt. Lemmon Survey.  Observers H. Groeller, D. Rankin.  Measurers E. J.
    Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
    Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D.
    Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.5-m reflector +
    10K CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
200124 G96 1.08+ 0.09+    200131 G96 1.03+ 0.19+    MPO599256   +0.65 days

Orbital elements:
2011 AL24                                                Earth MOID = 0.1566 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 202.63156              (2000.0)            P               Q                  
n   0.43591353     Peri.  214.99764     -0.83269763     -0.53906186             
a   1.7226716      Node   291.89770     +0.53406462     -0.72147039             
e   0.3455614      Incl.    7.84200     +0.14625195     -0.43461797             
P   2.26           H   22.33          G   0.15           U   1                  
Residuals in seconds of arc
110111 703  1.0+  0.0     110113 691  0.5-  0.4+    110205 I20  0.2-  0.8-
110111 703  1.3+  0.3-    110113 691  0.4-  0.3-    110205 I20  0.0   0.6+
110111 703  1.0-  0.2-    110125 H21  0.4-  0.1-    110207 703  0.6+  0.1-
110111 703  0.7-  0.7+    110125 H21  0.1-  0.1-    110207 703  0.7+  0.3-
110111 703  1.2-  0.9+    110125 H21  0.0   0.3-    110207 703  0.7-  0.1+
110111 703  0.1-  1.1+    110127 703  1.3-  0.1+    110207 703  0.7-  0.2+
110111 703  0.1-  1.0+    110127 703  0.8-  0.3-    110210 F51  0.1+  0.0
110111 703  0.5+  0.5-    110127 703  0.6+  0.7-    110210 F51  0.1+  0.0
110111 703  0.9+  0.9+    110127 703  0.4+  1.3+    110214 F51  0.0   0.2+
110111 703  0.2+  0.6+    110127 474  0.1-  0.2+    110214 F51  0.2+  0.1-
110111 703  0.6-  0.7-    110127 474  0.0   0.1-    110214 F51  0.3+  0.2+
110112 204  0.2-  0.2-    110127 474  0.2+  0.2-    200124 G96  0.0   0.2+
110112 204  0.1+  0.4-    110127 474  0.3-  0.1-    200124 G96  0.3+  0.1+
110112 J04  0.1+  0.1+    110127 D90  0.1+  0.4+    200124 G96  0.0   0.1+
110112 J04  0.0   0.0     110127 D90  0.3+  0.3+    200124 G96  0.0   0.0
110112 J04  0.3+  0.1+    110127 D90  0.1+  0.2+    200131 G96  0.1-  0.8-
110113 H36  0.4+  0.0     110127 D90  0.1+  0.0     200131 G96  0.5-  0.3-
110113 H36  0.1-  0.1+    110204 H36  0.1-  0.5+    200131 G96  0.1+  0.0
110113 H36  0.5+  0.1+    110204 H36  0.3+  0.1-
110113 691  0.3-  0.1+    110204 H36  0.1+  0.6-

Ephemeris:
2011 AL24                a,e,i = 1.72, 0.35, 8                   q = 1.1274
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 12 02    22 00 55.1 -04 09 13   2.0607  2.1523    81.7    27.0    26.8
...
2023 12 17    22 19 25.1 -02 52 25   2.2103  2.1126    71.4    26.2    26.9
...
2023 12 25    22 30 32.4 -02 00 29   2.2835  2.0897    66.2    25.5    26.9
...
2023 12 31    22 39 22.0 -01 16 57   2.3348  2.0717    62.4    24.9    26.9
2024 01 01    22 40 52.6 -01 09 19   2.3431  2.0686    61.8    24.8    26.9
2024 01 02    22 42 23.7 -01 01 36   2.3512  2.0656    61.2    24.7    26.9
...
2024 01 08    22 51 43.6 -00 13 09   2.3981  2.0467    57.6    23.9    26.9
...
2024 01 16    23 04 42.6 +00 56 49   2.4551  2.0206    52.9    22.9    26.9
...
2024 01 31    23 30 34.2 +03 22 40   2.5434  1.9684    44.7    20.6    26.8

                      (Last issue was M.P.E.C. 2023-Y113)                       

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-A01




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