[Iaude] MPEC D39: 2023 BM4 [a=0.98,e=0.21,i=1.5,H=23.62]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Sat Feb 17 09:11:41 EST 2024


M.P.E.C. 2024-D39                             Issued 2024 February 17, 14:10 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 BM4                                    


                           Revision to MPEC 2023-B146                           

Additional Observations:
     K23B04M KC2024 02 13.52153 12 19 21.53 -07 54 52.4          21.8 RVED039291
     K23B04M KC2024 02 13.53049 12 19 20.35 -07 54 44.1          21.8 RVED039291
     K23B04M KC2024 02 13.53953 12 19 19.17 -07 54 35.8          21.8 RVED039291
     K23B04M  C2024 02 15.52858012 15 11.324-07 23 15.20         21.67wXED039F51
     K23B04M  C2024 02 15.54139512 15 09.393-07 23 02.42         21.47wXED039F51
     K23B04M  C2024 02 15.55416112 15 07.485-07 22 49.77         21.34wXED039F51
     K23B04M  C2024 02 15.56689012 15 05.578-07 22 36.98         21.44wXED039F51

Observer details:
291 LPL/Spacewatch II.  Observer M. T. Read.  1.8-m f/2.7 reflector + CCD.
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.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
240213 291 10.3-  3.6-    240215 F51 11.1-  4.0-    MPO736054   +0.01 days

Orbital elements:
2023 BM4                                                 Earth MOID = 0.0239 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
M 183.23174              (2000.0)            P               Q                  
n   1.01989575     Peri.  173.43182     +0.99976349     -0.02143928             
a   0.9774597      Node   187.79945     +0.01852860     +0.92757333             
e   0.2061421      Incl.    1.54143     +0.01138681     +0.37302557             
P   0.97           H   23.62          G   0.15           U   3                  
Residuals in seconds of arc
230126 W94  0.3-  0.4-    230127 858  0.2+  0.2-    230201 807  0.2+  0.0
230126 W94  0.3-  0.1-    230127 858  0.1-  0.0     230202 807 (0.2-  0.8+)
230126 W94  0.1+  0.1-    230127 858  0.4+  0.3+    230202 807 (0.7-  0.4+)
230126 U52  0.1-  0.5+    230127 H21  0.1-  0.1-    230202 807  0.6-  0.4-
230126 U52  0.0   0.8+    230127 H21  0.2-  0.1-    230202 691  0.0   0.1+
230126 I52  0.2-  0.3-    230127 H21  0.4-  0.5-    230202 691  0.3+  0.1+
230126 U52  0.2-  0.1-    230127 H21  0.1+  0.3-    230202 691  0.0   0.0
230126 I52  0.2-  0.1+    230127 654  0.0   0.0     230207 K74  0.5-  0.1+
230126 I52  0.3+  0.3+    230127 654  0.1+  0.0     230207 K74  0.3-  0.1-
230126 U52  0.3-  0.0     230127 654  0.2+  0.0     230207 K74  0.0   0.1+
230126 W95  0.0   0.1-    230128 D29  0.3+  0.4-    230209 291  0.0   0.2-
230126 I52  0.0   0.1+    230128 D29  0.0   0.2-    230209 291  0.0   0.0
230126 W95  0.0   0.0     230128 D29  0.8-  0.5+    230209 291  0.2-  0.3-
230126 G96  0.0   0.1-    230129 U52  0.4+  0.3-    230210 691  0.5+  0.1+
230126 W95  0.0   0.3+    230129 U52  1.5-  1.4+    230210 691  0.3+  0.3+
230126 G96  0.1+  0.1-    230129 I52  1.1+  0.1+    230210 691  0.5+  0.3+
230126 G96  0.2+  0.2+    230129 I52  0.3+  0.4+    230212 G96  0.1-  0.2-
230126 G96  0.1+  0.1-    230129 807  0.2-  0.6+    230212 G96  0.0   0.1-
230126 C95  0.3+  0.1+    230129 807  0.3-  0.4+    230212 G96  0.0   0.0
230126 C95  0.4+  0.0     230129 807  0.1+  0.5+    230212 G96  0.4+  0.2+
230126 C95  0.1-  0.8-    230129 D29  0.2-  0.3+    230228 V06  0.1+  0.2+
230126 L01  0.1+  0.2+    230129 D29  0.0   0.3-    230228 V06  0.1+  0.1-
230126 L01  0.6+  0.5-    230129 D29  0.1+  0.0     230228 V06  0.1-  0.2+
230126 L01  0.7+  0.4-    230130 807  0.1-  0.1-    230228 V06  0.0   0.0
230127 J95  0.3+  0.3-    230130 807  0.1-  0.0     240213 291  0.3+  0.1-
230127 J95  0.6+  0.4-    230130 807  0.1+  0.0     240213 291  0.3+  0.1+
230127 J95  0.1-  0.2-    230131 807  0.0   0.1-    240213 291  0.4+  0.3+
230127 J95  0.1+  0.1-    230131 807  0.0   0.0     240215 F51  0.0   0.1+
230127 807  0.5-  0.2+    230131 807  0.1+  0.1-    240215 F51  0.1-  0.1+
230127 807  0.3-  0.1-    230201 807  0.1-  0.0     240215 F51  0.0   0.0
230127 807  0.4-  0.1+    230201 807  0.0   0.1+    240215 F51  0.1+  0.0

Ephemeris:
2023 BM4                 a,e,i = 0.98, 0.21, 2                   q = 0.7760
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 01 18    12 37 57.5 -10 03 30   0.2547  1.0754   104.3    62.4    23.0
...
2024 02 02    12 35 02.6 -09 46 35   0.2226  1.1142   120.2    49.8    22.4
...
2024 02 10    12 25 40.3 -08 40 38   0.2050  1.1314   130.8    41.3    22.1
...
2024 02 16    12 14 08.2 -07 14 57   0.1933  1.1427   140.0    33.7    21.7
2024 02 17    12 11 49.7 -06 57 22   0.1916  1.1444   141.7    32.4    21.7
2024 02 18    12 09 24.8 -06 38 49   0.1899  1.1461   143.4    31.0    21.6
...
2024 02 24    11 52 48.4 -04 27 50   0.1817  1.1554   154.0    22.1    21.3
...
2024 03 03    11 26 17.1 -00 48 48   0.1768  1.1655   169.2     9.2    20.8
...
2024 03 18    10 36 16.8 +06 26 33   0.1907  1.1768   160.6    16.3    21.3

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-D39





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