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    • MPEC 2023-B214 : 2023 BU7

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    M.P.E.C. 2023-B214                             Issued 2023 January 31, 12:54 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

                                2023 BU7                                 


Observations:
     K23B07U* C2023 01 28.22502406 37 06.730+29 33 26.96         21.58GVEB214V00
     K23B07U  C2023 01 28.23505606 37 02.932+29 34 51.85         21.28GVEB214V00
     K23B07U  C2023 01 28.24016306 37 01.013+29 35 34.66         21.75GVEB214V00
     K23B07U KC2023 01 28.28995406 36 41.980+29 41 59.00         21.30GVEB214I52
     K23B07U KC2023 01 28.29353306 36 40.690+29 42 25.60         21.37GVEB214I52
     K23B07U KC2023 01 28.29710906 36 39.500+29 42 52.20         21.36GVEB214I52
     K23B07U KC2023 01 28.30068906 36 38.270+29 43 18.90         20.91GVEB214I52
     K23B07U mC2023 01 29.21337006 37 50.970+32 02 58.13         21.32GVEB214V00
     K23B07U mC2023 01 29.21392206 37 50.743+32 03 03.38               VEB214V00
     K23B07U mC2023 01 29.21447406 37 50.531+32 03 09.36         21.06GVEB214V00
     K23B07U mC2023 01 29.21502606 37 50.315+32 03 14.76         21.27GVEB214V00
     K23B07U mC2023 01 31.16957306 40 37.834+38 20 28.75         21.80GVEB214V00
     K23B07U mC2023 01 31.16989306 40 37.664+38 20 33.76         21.19GVEB214V00
     K23B07U mC2023 01 31.17021306 40 37.528+38 20 38.83         21.38GVEB214V00
     K23B07U mC2023 01 31.17053206 40 37.416+38 20 43.66         21.34GVEB214V00
     K23B07U mC2023 01 31.17097206 40 37.193+38 20 50.17         21.09GVEB214V00
     K23B07U mC2023 01 31.17152506 40 36.919+38 20 58.74         20.75GVEB214V00
     K23B07U mC2023 01 31.17207606 40 36.707+38 21 07.20         21.25GVEB214V00
     K23B07U mC2023 01 31.17262706 40 36.458+38 21 14.94         20.59GVEB214V00

Observer details:
I52 Steward Observatory, Mt. Lemmon Station.  Observer R. A. Kowalski.
    Measurers E. J. Christensen, D. Fay, J. B. Fazekas, D. C. Fuls, A. R.
    Gibbs, A. D. Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M.
    Larson, G. J. Leonard, D. Rankin, R. L. Seaman, A. Serrano, F. C. Shelly,
    K. W. Wierzchos.  1.0-m prime focus + CCD.
V00 Kitt Peak-Bok.  Observer H. Groeller.  Measurers M. J. Brucker, E. J.
    Christensen, C. E. Woodward, D. Fay, J. B. Fazekas, D. C. Fuls, A. R.
    Gibbs, A. D. Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M.
    Larson, G. J. Leonard, R. S. McMillan, D. Rankin, R. L. Seaman, A.
    Serrano, F. C. Shelly, K. W. Wierzchos.  2.25-m reflector + 4x4K mosaic
    CCD.

Orbital elements:
2023 BU7                                                 Earth MOID = 0.0042 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
M   1.57522              (2000.0)            P               Q                  
n   0.91596455     Peri.  181.92001     -0.90349981     -0.42851997             
a   1.0500668      Node   332.70226     +0.39344463     -0.82218957             
e   0.0641887      Incl.    0.95751     +0.16996888     -0.37466644             
P   1.08           H   30.72          G   0.15           U   6                  
Residuals in seconds of arc
230128 V00  0.2+  0.1-    230129 V00  0.0   0.1+    230131 V00  0.3+  0.1+
230128 V00  0.1-  0.1-    230129 V00  0.1-  0.3-    230131 V00  0.0   0.0
230128 V00  0.1-  0.1+    230129 V00  0.0   0.1+    230131 V00  0.4-  0.1+
230128 I52  0.2+  0.3+    230129 V00  0.1+  0.1-    230131 V00  0.1-  0.3+
230128 I52  0.4-  0.1+    230131 V00  0.3+  0.2-    230131 V00  0.2-  0.3-
230128 I52  0.2+  0.1+    230131 V00  0.0   0.1-
230128 I52  0.0   0.3+    230131 V00  0.0   0.1+

Ephemeris:
2023 BU7                 a,e,i = 1.05, 0.06, 1                   q = 0.9827
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 01 01    06 44 57.7 +10 30 22   0.03011 1.0127   167.4    12.2    23.9
...
2023 01 16    06 39 16.1 +14 59 42   0.01758 1.0005   162.4    17.3    22.9
...
2023 01 24    06 36 27.4 +22 06 34   0.01177 0.9950   155.0    24.7    22.2
...
2023 01 30    06 38 28.0 +34 19 06   0.0077040.9915   146.9    32.9    21.5
2023 01 31    06 39 48.2 +37 40 44   0.0070500.9909   144.8    34.9    21.4
2023 02 01    06 41 44.7 +41 42 31   0.0064070.9903   142.4    37.4    21.2
...
2023 02 07    16 00 03.1 +82 02 43   0.0034200.9870   104.0    75.8    21.0
...
2023 02 15    18 27 50.8 -05 25 33   0.0063030.9836    50.8   128.9    25.3
...
2023 03 02    18 47 03.7 -32 00 26   0.01621 0.9831    61.1   118.0    26.4

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-B214

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