[Iaude] MPEC O92: 2023 LR1 [a=2.57,e=0.76,i=33.3,H=18.26]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Mon Jul 29 12:01:31 EDT 2024


M.P.E.C. 2024-O92                                 Issued 2024 July 29, 16:00 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

                                    2023 LR1                                    


                           Revision to MPEC 2023-M02                            

Additional Observations:
     K23L01R |C2024 02 19.21764009 23 22.970-47 24 29.80         21.0 GVEO092807
     K23L01R |C2024 02 19.22314009 23 22.360-47 24 24.10         20.9 GVEO092807
     K23L01R |C2024 02 19.22864009 23 21.760-47 24 18.70         20.8 GVEO092807
     K23L01R 0C2024 04 17.34860208 59 06.852-27 39 00.04         22.77GVEO092T12

Observer details:
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
    0.61-m f/6.8 Ritchey-Chretien + CCD.
T12 University of Hawaii 88-inch telescope, Maunakea.  Observer D. J. Tholen.
    2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
240219 807  0.4-  0.1-    240417 T12  0.2-  0.2-    E2024-G51   -0.00 days

Orbital elements:
2023 LR1                                                 Earth MOID = 0.2936 AU
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5                 Veres                   
M  88.21775              (2000.0)            P               Q                  
n   0.23938895     Peri.  148.51210     +0.78316873     -0.38800817             
a   2.5688179      Node   242.27789     +0.39219381     +0.91462332             
e   0.7593588      Incl.   33.29185     +0.48252539     -0.11363908             
P   4.12           H   18.26          G   0.15           U   3                  
Residuals in seconds of arc
230613 F52  0.0   0.1-    230615 H36  0.2+  0.4+    230627 H21  0.1+  0.2+
230613 F52  0.0   0.1-    230615 H36  0.7+  0.3+    230630 I52  0.5-  0.2-
230613 F52  0.1+  0.1-    230615 H36  0.3+  0.2+    230630 I52  0.8+  0.1-
230613 L87  0.0   0.1+    230615 I93  0.4-  0.5+    230630 I52  0.1+  0.4+
230613 L87  0.1+  0.0     230615 I93  0.2+  0.1-    230630 I52  0.3-  0.4+
230613 L01  0.2-  0.2+    230615 I93  0.3-  0.4+    230706 G96  0.1+  0.1+
230613 L01  0.3-  0.1-    230615 204  0.0   0.4+    230706 G96  0.1+  0.1-
230613 L01  0.3-  0.0     230616 204  0.0   0.2+    230706 G96  0.7-  0.3+
230613 L87  0.1-  0.0     230617 I52  0.5-  0.3+    230706 G96  0.2+  0.1-
230613 L01  0.4+  0.7+    230617 I52  0.1-  0.1-    230712 F52 (0.2-  0.0 )
230613 J95  0.1+  0.4+    230617 I52  0.1-  0.0     230712 F52  0.0   0.0
230613 J95  0.3+  0.1-    230620 H36  0.1+  0.3+    230712 F52 (0.1+  0.2-)
230614 J95  0.1+  0.1+    230620 H36  0.1-  0.5-    230712 F52  0.1+  0.0
230614 807  0.7-  0.0     230620 H36  0.3-  0.3-    230723 C51  0.6-  1.2-
230614 807  0.2-  0.4-    230622 H21  0.4+  0.2-    230723 C51  0.3+  0.0
230614 807  0.7+  1.2+    230622 H21  0.1+  0.2-    230723 C51  0.7-  0.4+
230614 H36  0.6+  0.1-    230622 H21  0.1+  0.2-    230723 C51  1.2-  0.1-
230614 H36  0.1+  0.4+    230622 474  0.0   0.2-    230723 C51  0.7-  0.8-
230614 H36  0.5-  1.0+    230622 474  0.0   0.1-    230723 C51  0.0   0.1+
230614 858 (0.1-  1.3+)   230622 474  0.0   0.2-    230728 F51  0.0   0.0
230614 858  0.2+  0.7+    230622 474  0.2+  0.1-    230728 F51  0.0   0.1+
230614 858  0.1-  0.2+    230623 G96  0.5-  0.1+    230728 F51  0.0   0.1-
230614 I52  0.2-  0.1-    230623 G96  0.0   0.2-    230728 F51  0.0   0.1-
230614 I52  0.5+  0.2+    230623 G96  0.2-  0.0     230729 F51  0.1+  0.0
230614 I52  0.4-  0.2-    230623 G96  0.0   0.0     230729 F51  0.1+  0.0
230614 I52  0.1-  0.0     230624 H21  0.2+  0.2-    230729 F51  0.1-  0.1-
230614 H01  0.1-  0.0     230624 H21  0.1+  0.1-    230729 F51  0.0   0.0
230614 H01  0.0   0.0     230624 H21  0.3+  0.2-    230902 204  0.2-  0.3-
230614 654  0.0   0.1-    230624 H21  0.0   0.3-    230902 204  0.2-  0.2+
230614 654  0.0   0.0     230624 H21  0.1-  0.5-    230904 H36  0.7+  0.0
230614 H01  0.0   0.0     230624 H21  0.1-  0.4-    230904 H36  0.5-  1.2+
230614 H01  0.0   0.0     230624 H21  0.1+  0.4-    230904 H36  0.1-  0.3+
230614 654  0.1-  0.2-    230624 H21  0.1+  0.2-    231117 T12  0.0   0.1+
230614 654  0.2+  0.0     230625 H21  0.1+  0.1-    231231 C51  0.5-  0.0
230614 673  0.4-  0.1+    230625 H21  0.0   0.0     231231 C51  0.2-  0.1-
230614 673  0.3-  0.1+    230625 H21  0.2-  0.0     231231 C51  0.5+  1.0+
230614 M49  0.2+  0.1-    230625 H21  0.2-  0.3+    231231 C51  0.4+  0.1+
230614 M49  0.1+  0.3+    230625 H21  0.1-  0.3+    231231 C51  0.4-  0.5-
230614 M49  0.0   0.0     230627 H21  0.0   0.1+    240101 C51  1.0+  0.6+
230614 J95  0.3+  0.0     230627 H21  0.0   0.2+    240101 C51  0.4+  0.8-
230614 J95  0.0   0.4+    230627 H21  0.4+  0.3+    240219 807  0.1-  0.1+
230615 H21  0.0   0.1-    230627 H21  0.0   0.3+    240219 807  0.1+  0.4+
230615 H21  0.1-  0.1+    230627 H21  0.0   0.3+    240219 807  0.4+  0.3+
230615 H21  0.1-  0.0     230627 H21  0.3+  0.2+    240417 T12  0.0   0.0

Ephemeris:
2023 LR1                 a,e,i = 2.57, 0.76, 33                  q = 0.6182
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 06 29    10 13 09.4 -18 15 49   3.2742  3.0434    68.0    18.0    24.2
...
2024 07 14    10 31 26.1 -18 17 06   3.5410  3.1412    59.0    16.1    24.4
...
2024 07 22    10 41 14.9 -18 28 26   3.6758  3.1916    54.3    15.0    24.4
...
2024 07 28    10 48 36.9 -18 41 06   3.7729  3.2285    50.8    14.1    24.5
2024 07 29    10 49 50.6 -18 43 32   3.7887  3.2346    50.2    14.0    24.5
2024 07 30    10 51 04.2 -18 46 04   3.8044  3.2407    49.6    13.8    24.5
...
2024 08 05    10 58 25.9 -19 03 04   3.8961  3.2767    46.2    12.9    24.5
...
2024 08 13    11 08 13.1 -19 30 15   4.0114  3.3238    41.7    11.7    24.6
...
2024 08 28    11 26 24.9 -20 33 09   4.2035  3.4089    33.6     9.5    24.7

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-O92





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