[Iaude] MPEC M78: 2017 BW236 [a=43.67,e=0.06,i=2.1,H=8.77]

[mpec at cfa.harvard.edu]

M.P.E.C. 2024-M78                                 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 BW236                                   


Additional Observations:
     K17BN6W 1C2016 04 02.39340712 25 53.68 -00 30 38.0                WEM078T09
     K17BN6W 1C2016 04 02.51789412 25 53.11 -00 30 34.5                WEM078T09
     K17BN6W 1C2016 04 06.46498712 25 35.50 -00 28 42.6                WEM078T09
     K17BN6W 1C2016 04 06.56813112 25 35.04 -00 28 39.6                WEM078T09

Observer details:
T09 Subaru Telescope, Maunakea.  Observer .  Measurer S. Deen.  8.3-m Subaru
    Telescope + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
160402 T09 0.03+ 0.01+    160406 T09 0.03+ 0.01+    MPO824945    +675 days

Orbital elements:
2017 BW236                                                                      
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M  35.92589              (2000.0)            P               Q                  
n   0.00341578     Peri.   60.91974     -0.92243559     -0.38450861             
a  43.6659037      Node    96.44781     +0.34067514     -0.85371882             
e   0.0562457      Incl.    2.05182     +0.18180493     -0.35116565             
P 289              H    8.77          G   0.15           U   8                  
Residuals in seconds of arc
160402 T09  0.1-  0.0     170128 T09  0.1+  0.0     170223 T09  0.0   0.0
160402 T09  0.1-  0.0     170202 T09  0.0   0.1-    170223 T09  0.0   0.0
160406 T09  0.1+  0.1-    170202 T09  0.0   0.2+    170223 T09  0.1+  0.0
160406 T09  0.1+  0.0     170202 T09  0.1+  0.1-    170223 T09  0.2-  0.2+
170128 T09  0.0   0.2+    170202 T09  0.0   0.1-    170304 T09  0.0   0.1-
170128 T09  0.1-  0.1-    170223 T09  0.3-  0.1+    170304 T09  0.2+  0.2-

Ephemeris:
2017 BW236               a,e,i = 43.67, 0.06, 2                  q = 41.2099
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 05 28    13 03 46.8 -04 34 41  41.0804 41.7335   129.6     1.1    25.1
...
2024 06 12    13 03 15.9 -04 32 12  41.2940 41.7349   115.1     1.3    25.1
...
2024 06 20    13 03 06.7 -04 31 40  41.4201 41.7357   107.4     1.3    25.1
...
2024 06 26    13 03 03.3 -04 31 38  41.5183 41.7363   101.7     1.4    25.2
2024 06 27    13 03 03.0 -04 31 40  41.5349 41.7364   100.7     1.4    25.2
2024 06 28    13 03 02.9 -04 31 42  41.5516 41.7365    99.8     1.4    25.2
...
2024 07 04    13 03 03.6 -04 32 06  41.6524 41.7370    94.1     1.4    25.2
...
2024 07 12    13 03 09.5 -04 33 09  41.7878 41.7378    86.5     1.4    25.2
...
2024 07 27    13 03 35.2 -04 36 36  42.0368 41.7393    72.3     1.3    25.2

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-M78