[Iaude] MPEC J190: 2017 BL232 [a=57.68,e=0.38,i=5.8,H=6.08]

[mpec at cfa.harvard.edu]

M.P.E.C. 2024-J190                                  Issued 2024 May 8, 18:55 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 BL232                                   


Additional Observations:
     K17BN2L 1C2016 04 02.38312312 22 52.18 -00 38 28.3                WEJ190T09
     K17BN2L 1C2016 04 02.51519612 22 51.69 -00 38 25.3                WEJ190T09
     K17BN2L 1C2016 06 05.31148812 20 07.23 -00 22 59.7          22.8 rWEJ190T09
     K17BN2L 1C2016 06 05.33916012 20 07.21 -00 22 59.6                WEJ190T09
     K17BN2L &C2017 03 30.15477912 26 17.35 -01 06 15.5                WEJ190W84
     K17BN2L &C2021 03 17.22937912 40 20.38 -03 00 19.8          22.6 iWEJ190W84

Observer details:
T09 Subaru Telescope, Maunakea.  Observer .  Measurer S. Deen.  8.3-m Subaru
    Telescope + CCD.
W84 Cerro Tololo-DECam.  Observer K. Vivas.  Measurer S. Deen.  4.0-m
    reflector + CCD.

Orbital elements:
2017 BL232                                                                      
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M 309.53553              (2000.0)            P               Q                  
n   0.00224973     Peri.  265.06254     +0.29394842     +0.95506203             
a  57.6832355      Node    22.14720     -0.83203080     +0.27528924             
e   0.3839925      Incl.    5.79892     -0.47044561     +0.10987424             
P 438              H    6.08          G   0.15           U   7                  
Residuals in seconds of arc
160402 T09  0.1+  0.1-    170123 T09  0.3-  0.0     170223 T09  0.3-  0.1+
160402 T09  0.0   0.0     170128 T09  0.2-  0.0     170223 T09  0.0   0.1-
160605 T09  0.1-  0.1-    170128 T09  0.0   0.1-    170223 T09  0.1+  0.0
160605 T09  0.0   0.0     170128 T09  0.1+  0.1+    170330 W84  0.1+  0.1-
170123 T09  0.1+  0.1+    170128 T09  0.0   0.0     210317 W84  0.0   0.0
170123 T09  0.1+  0.0     170128 T09  0.1+  0.2+
170123 T09  0.1+  0.0     170223 T09  0.1+  0.1+

Ephemeris:
2017 BL232               a,e,i = 57.68, 0.38, 6                  q = 35.5333
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 04 08    12 49 22.2 -04 17 05  49.5792 50.5762   174.6     0.1    23.1
...
2024 04 23    12 48 26.6 -04 11 34  49.6176 50.5621   159.8     0.4    23.2
...
2024 05 01    12 47 59.0 -04 08 52  49.6639 50.5546   151.9     0.5    23.2
...
2024 05 07    12 47 39.8 -04 07 01  49.7097 50.5489   146.0     0.6    23.2
2024 05 08    12 47 36.7 -04 06 43  49.7182 50.5480   145.0     0.7    23.2
2024 05 09    12 47 33.7 -04 06 26  49.7269 50.5471   144.0     0.7    23.2
...
2024 05 15    12 47 16.6 -04 04 49  49.7842 50.5414   138.1     0.8    23.2
...
2024 05 23    12 46 56.6 -04 02 58  49.8727 50.5339   130.3     0.9    23.2
...
2024 06 07    12 46 29.1 -04 00 35  50.0693 50.5198   115.8     1.0    23.3

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-J190