[Iaude] MPEC N116: 2021 BM3 [a=2.39,e=0.70,i=19.5,H=21.48]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Tue Jul 9 10:24:34 EDT 2024


M.P.E.C. 2024-N116                                 Issued 2024 July 9, 14:22 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

                                    2021 BM3                                    


                           Revision to MPEC 2021-C09                            

Additional Observations:
     K21B03M 0C2024 07 05.58309802 21 50.844+17 38 08.51         23.11GVEN116T14
     K21B03M 0C2024 07 05.58523302 21 51.618+17 38 15.57         23.32GVEN116T14
     K21B03M 0C2024 07 06.58693102 27 55.769+18 33 09.91         23.24GVEN116T14
     K21B03M 0C2024 07 06.58906602 27 56.548+18 33 16.96         23.08GVEN116T14
     K21B03M 0C2024 07 06.59119902 27 57.324+18 33 24.04         23.23GVEN116T14

Observer details:
T14 Canada-France-Hawaii Telescope, Maunakea.  Observer H. Januszewski.
    Measurer D. J. Tholen.  3.6-m f/4.1 reflector + 1024 x 2306 pixels
    Megacam.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
240705 T14 0.05+ 0.04+    240706 T14 0.05+ 0.04+    MPO606115   +0.05 days

Orbital elements:
2021 BM3                                            PHA, Earth MOID = 0.0405 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
M 322.57135              (2000.0)            P               Q                  
n   0.26666052     Peri.   81.19455     +0.66091720     -0.72545492             
a   2.3905449      Node   324.89282     +0.48704627     +0.60939038             
e   0.7013671      Incl.   19.51355     +0.57094167     +0.31993517             
P   3.70           H   21.48          G   0.15           U   0                  
Residuals in seconds of arc
210131 F51  0.1+  0.1+    210202 H21  0.1+  0.2-    210209 I52  0.3+  0.2-
210131 F51  0.0   0.2-    210202 H21  0.1-  0.1-    210209 703  1.3-  1.8-
210131 F51  0.1+  0.1+    210202 H21  0.2-  0.2-    210209 703  0.9-  0.3-
210131 B49  0.2-  0.0     210202 H21  0.2-  0.2-    210209 703  0.9+  0.6-
210131 B49  0.3-  0.1+    210202 H36  0.0   0.3-    210209 703  0.8+  0.6+
210131 595  0.4-  0.2-    210202 H36  0.1-  0.2-    210210 I52  0.3+  0.1+
210131 B49  0.2+  0.4+    210202 H36  0.3-  0.2-    210210 I52  0.1-  0.1+
210131 B49  0.1-  0.8+    210202 H36  0.3-  0.4-    210210 I52  0.2-  0.0
210131 595  0.1+  0.4+    210202 K83  0.1-  0.7+    210210 I52  0.1-  0.1-
210131 595  0.0   0.3+    210202 K83  0.4+  0.8-    210210 F52  0.0   0.1-
210131 L39  0.3-  0.0     210202 104  0.1+  0.1-    210210 F52  0.0   0.1+
210131 L39  0.0   0.1-    210202 104  0.2+  0.1+    210210 F52  0.1+  0.0
210131 L39  0.4-  0.2-    210202 104  0.1+  0.1-    210210 F52  0.0   0.1-
210201 L01  0.1-  0.3+    210204 W34  0.1-  0.0     210212 I52  0.2+  0.2+
210201 L01  0.1-  0.3+    210204 W34  0.0   0.6-    210212 I52  0.2-  0.1-
210201 L01  0.1+  0.1+    210204 W34  0.6+  0.2-    210212 I52  0.1-  0.2-
210201 L01  0.4-  0.4+    210204 I52  0.0   0.1+    210212 I52  0.0   0.2+
210201 L01  0.2-  0.5+    210204 I52  0.0   0.0     210219 I52  0.7-  0.8+
210201 703  0.8+  0.4+    210205 I52  0.0   0.2+    210219 I52  0.3-  0.0
210201 703  0.1+  0.7+    210205 I52  0.1-  0.0     210219 I52  0.1-  0.1-
210201 703  0.0   0.2-    210205 I52  0.3-  0.1+    210219 I52  0.3-  0.1-
210201 703  0.0   0.1+    210205 T08  0.7-  0.4+    210219 G96  0.3-  0.3-
210201 T08  0.2-  0.6+    210205 T08 (0.3+  0.9-)   210219 G96  0.4+  0.0
210201 T08  0.2+  0.3+    210205 T08 (0.8+  0.9-)   210219 G96  0.5+  0.2+
210201 T08  0.2+  0.4-    210205 T08  0.2-  0.1-    210303 H21  0.5+  0.1-
210201 T08  0.0   0.6+    210206 I52  0.3-  0.1+    210303 H21  0.6+  0.3+
210201 N88  0.3+  0.5-    210206 I52  0.2-  0.1-    210304 H21  0.1+  0.1+
210201 N88  0.5+  0.4-    210206 I52  0.2+  0.4-    210304 807  0.1-  0.1+
210201 N88  0.1+  0.1-    210206 I52  0.4-  0.8-    210304 H21  0.2+  0.0
210201 N88  0.9-  0.1-    210207 I52  0.2+  0.0     210304 807  0.1+  0.2-
210201 B49  0.0   0.6+    210207 I52  0.0   0.1+    210304 807  0.2+  0.2-
210201 B49  0.3-  0.0     210207 I52  0.2+  0.0     210317 807  0.0   0.1-
210201 B49  0.3+  0.2-    210208 I41  0.1+  0.1+    210317 807  0.1-  0.3-
210201 Z99  0.2+  0.1-    210208 I41  0.2-  0.1+    210317 807  0.1-  0.1-
210201 Z99  0.0   0.0     210208 I41  0.2-  0.1+    240705 T14  0.0   0.0
210201 Z99  0.2-  0.4+    210208 I41  0.1+  0.1+    240705 T14  0.1+  0.1-
210202 204  0.1+  0.0     210208 I41  0.0   0.0     240706 T14  0.0   0.1-
210202 204  0.0   0.1-    210209 I52  0.3+  0.2+    240706 T14  0.0   0.0
210202 204  0.0   0.3-    210209 I52  0.1-  0.3-    240706 T14  0.0   0.0
210202 H21  0.1-  0.1-    210209 I52  0.0   0.1+

Ephemeris:
2021 BM3                 a,e,i = 2.39, 0.70, 20                  q = 0.7139
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 06 09    00 15 15.4 -04 23 30   1.0711  1.2943    76.6    49.7    24.0
...
2024 06 24    01 19 10.1 +07 08 02   0.9080  1.1304    71.7    58.6    23.6
...
2024 07 02    02 00 59.7 +14 20 13   0.8553  1.0441    67.2    63.8    23.5
...
2024 07 08    02 36 39.5 +19 49 55   0.8354  0.9812    63.1    67.5    23.4
2024 07 09    02 42 58.4 +20 43 35   0.8338  0.9709    62.4    68.1    23.4
2024 07 10    02 49 23.6 +21 36 35   0.8328  0.9607    61.6    68.6    23.4
...
2024 07 16    03 30 01.1 +26 33 47   0.8373  0.9016    57.2    71.4    23.4
...
2024 07 24    04 28 43.6 +31 44 21   0.8717  0.8303    51.5    73.2    23.3
...
2024 08 08    06 21 16.2 +35 28 02   1.0090  0.7353    42.6    69.1    23.3

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-N116





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