[Iaude] MPEC M71: 2017 BA237 [a=44.33,e=0.04,i=4.4,H=7.71]

[mpec at cfa.harvard.edu]

M.P.E.C. 2024-M71                                 Issued 2024 June 27, 03:36 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 BA237                                   


Additional Observations:
     K17BN7A 1C2016 04 06.57376712 31 08.70 +00 45 21.5                WEM071T09
     K17BN7A 1C2016 04 06.58220912 31 08.67 +00 45 21.7                WEM071T09
     K17BN7A 1C2016 06 05.32849612 28 11.55 +01 01 33.8                WEM071T09
     K17BN7A 1C2017 03 30.39741012 36 10.88 +00 16 04.5                WEM071T09
     K17BN7A 1C2017 03 30.42699612 36 10.78 +00 16 04.9                WEM071T09

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
160406 T09 0.04+ 0.02+    170330 T09 0.00+ 0.00+    MPO824946  +14140 days

Orbital elements:
2017 BA237                                                                      
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M 120.83598              (2000.0)            P               Q                  
n   0.00333936     Peri.  302.45045     +0.31425372     -0.94750111             
a  44.3296320      Node   129.11915     +0.89455195     +0.27472162             
e   0.0429678      Incl.    4.36468     +0.31783865     +0.16361441             
P 295              H    7.71          G   0.15           U   7                  
Residuals in seconds of arc
160406 T09  0.0   0.0     170202 T09  0.1-  0.1+    170223 T09  0.0   0.0
160406 T09  0.1+  0.0     170202 T09  0.2-  0.1+    170223 T09  0.0   0.1-
160605 T09  0.1-  0.0     170221 T09  0.2+  0.1+    170223 T09  0.0   0.2-
170130 T09  0.0   0.1+    170221 T09  0.2+  0.1-    170330 T09  0.3-  0.2+
170130 T09  0.1-  0.1+    170221 T09  0.0   0.0     170330 T09  0.1+  0.2-
170130 T09  0.0   0.0     170221 T09  0.1+  0.0

Ephemeris:
2017 BA237               a,e,i = 44.33, 0.04, 4                  q = 42.4249
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 05 28    13 03 56.1 -02 22 44  44.7292 45.3696   128.7     1.0    24.4
...
2024 06 12    13 03 27.0 -02 20 53  44.9443 45.3710   114.3     1.2    24.4
...
2024 06 20    13 03 18.2 -02 20 40  45.0709 45.3717   106.6     1.2    24.4
...
2024 06 26    13 03 14.8 -02 20 51  45.1693 45.3722   100.9     1.3    24.4
2024 06 27    13 03 14.5 -02 20 54  45.1859 45.3723    99.9     1.3    24.4
2024 06 28    13 03 14.3 -02 20 59  45.2026 45.3724    99.0     1.3    24.4
...
2024 07 04    13 03 14.7 -02 21 34  45.3034 45.3730    93.3     1.3    24.5
...
2024 07 12    13 03 19.7 -02 22 49  45.4387 45.3737    85.7     1.3    24.5
...
2024 07 27    13 03 42.6 -02 26 31  45.6865 45.3751    71.5     1.2    24.5

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-M71