[Iaude] MPEC M77: 2017 BZ232 [a=67.75,e=0.43,i=45.7,H=8.49]

[mpec at cfa.harvard.edu]

M.P.E.C. 2024-M77                                 Issued 2024 June 27, 03:49 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

                                   2017 BZ232                                   


Additional Observations:
     K17BN2Z 5C2016 04 02.32562009 30 44.01 -00 55 44.5                WEM077T14
     K17BN2Z 5C2016 04 02.36851709 30 43.90 -00 55 42.7                WEM077T14
     K17BN2Z 5C2016 04 04.23829609 30 39.39 -00 54 24.5                WEM077T14
     K17BN2Z 5C2016 04 04.27446109 30 39.30 -00 54 23.1                WEM077T14

Observer details:
T14 Canada-France-Hawaii Telescope, Maunakea.  Observer .  Measurer S. Deen.
    3.58-m Canada-France-Hawaii Telescope + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
160402 T14  8.1+  0.9+    160404 T14  8.1+  1.0+    MPO824931    -390 days

Orbital elements:
2017 BZ232                                                                      
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M  18.09291              (2000.0)            P               Q                  
n   0.00176729     Peri.  304.85300     -0.35552261     -0.90565214             
a  67.7533417      Node   161.15018     +0.90084930     -0.26611890             
e   0.4287694      Incl.   45.66129     -0.24914699     +0.33011351             
P 558              H    8.49          G   0.15           U   8                  
Residuals in seconds of arc
160402 T14  0.0   0.0     170121 T09  0.3-  0.2-    170128 T09  0.0   0.3+
160402 T14  0.0   0.0     170121 T09  0.0   0.3-    170128 T09  0.0   0.0
160404 T14  0.0   0.0     170121 T09  0.2-  0.1+    170304 T09  0.0   0.0
160404 T14  0.1-  0.1-    170121 T09  0.1-  0.1-    170304 T09  0.1-  0.1+
161225 T09  0.0   0.1+    170121 T09  0.1+  0.0     170304 T09  0.1+  0.0
161225 T09  0.1+  0.0     170121 T09  0.1+  0.1-    170304 T09  0.0   0.1-
161225 T09  0.0   0.1+    170128 T09  0.1+  0.2+    170304 T09  0.0   0.1+
161225 T09  0.0   0.2-    170128 T09  0.1-  0.2-

Ephemeris:
2017 BZ232               a,e,i = 67.75, 0.43, 46                 q = 38.7028
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 05 28    10 15 27.6 +04 36 09  42.8257 42.7895    87.3     1.4    25.0
...
2024 06 12    10 15 56.2 +04 38 18  43.0849 42.8004    73.1     1.3    25.0
...
2024 06 20    10 16 18.8 +04 38 39  43.2165 42.8062    65.6     1.2    25.0
...
2024 06 26    10 16 38.8 +04 38 34  43.3104 42.8105    60.0     1.2    25.0
2024 06 27    10 16 42.4 +04 38 32  43.3256 42.8113    59.0     1.2    25.0
2024 06 28    10 16 46.1 +04 38 29  43.3407 42.8120    58.1     1.2    25.0
...
2024 07 04    10 17 09.4 +04 38 01  43.4277 42.8164    52.5     1.1    25.0
...
2024 07 12    10 17 44.0 +04 36 57  43.5341 42.8222    45.1     1.0    25.0
...
2024 07 27    10 18 57.9 +04 33 47  43.6982 42.8331    31.2     0.7    25.0

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-M77