[Iaude] MPEC K131: 2008 WB [a=1.38,e=0.09,i=44.3,H=21.24]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Thu May 30 06:24:41 EDT 2024


M.P.E.C. 2024-K131                                 Issued 2024 May 30, 10:23 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

                                    2008 WB                                     


                            Revision to MPEC 2008-W9                            

Additional Observations:
     K08W00B  C2024 05 29.33077214 44 05.413-09 31 55.57         21.79wXEK131F51
     K08W00B  C2024 05 29.34309414 44 04.235-09 31 06.01         21.93wXEK131F51
     K08W00B  C2024 05 29.36777514 44 01.890-09 29 27.21         21.58wXEK131F51
     K08W00B 7C2024 05 29.89557514 43 15.981-08 54 28.52         21.5 GVEK131Z84
     K08W00B 7C2024 05 29.93662014 43 12.215-08 51 46.29               VEK131Z84
     K08W00B 7C2024 05 29.97771714 43 08.447-08 49 03.60               VEK131Z84
     K08W00B  C2024 05 30.08340514 42 59.79 -08 41 48.1                WEK131X09
     K08W00B  C2024 05 30.10429714 42 57.85 -08 40 25.1                WEK131X09
     K08W00B KC2024 05 30.20351814 42 49.18 -08 34 14.2          21.8 GVEK131H21
     K08W00B KC2024 05 30.21365314 42 48.28 -08 33 34.5          22.0 GVEK131H21
     K08W00B  C2024 05 30.26701114 42 43.725-08 30 03.79         21.3 GVEK131H01
     K08W00B  C2024 05 30.27686514 42 42.832-08 29 24.97         21.1 GVEK131H01
     K08W00B  C2024 05 30.28282614 42 42.297-08 29 01.75         21.4 GVEK131H01
     K08W00B  C2024 05 30.28826414 42 41.796-08 28 40.13         21.3 GVEK131H01
     K08W00B KC2024 05 30.36194914 42 35.327-08 23 50.14         21.22GVEK131I52
     K08W00B KC2024 05 30.36877814 42 34.679-08 23 23.89               VEK131I52

Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Herman, T. Lowe, P. Minguez, A.
    Schultz, I. Smith.  Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
    Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
    Weryk.  1.8-m Ritchey-Chretien + CCD.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  1.3-m f/4.0 astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer V. F. Carvajal.
    Measurers T. Beuden, V. F. Carvajal, 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, F. C. Shelly, K. W.
    Wierzchos.  1.0-m prime focus + CCD.
X09 Deep Random Survey, Rio Hurtado.  Observers A. Schnabel, D. Ruhela.
    Measurer S. Deen.  0.43-m reflector + CMOS.
Z84 Calar Alto-Schmidt.  Observers F. Ocana, R. Kresken, M. Micheli, L.
    Conversi.  Measurers F. Ocana, M. Micheli.  0.8-m f/3 Schmidt + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
240529 F51 5.94+ 3.28+    240530 I52 5.85+ 3.29+    MPO149151   +4.65 days

Orbital elements:
2008 WB                                                  Earth MOID = 0.2691 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
M 166.08494              (2000.0)            P               Q                  
n   0.60522718     Peri.  164.73287     +0.68517340     -0.43451198             
a   1.3841732      Node   236.86750     +0.57352523     +0.81658451             
e   0.0946959      Incl.   44.27357     +0.44900583     -0.37998563             
P   1.63           H   21.24          G   0.15           U   2                  
Residuals in seconds of arc
081117 703  0.2-  3.0+    081118 854  1.1+  0.4-    081125 H55  0.1-  0.6+
081117 703  0.6+  0.0     081118 854  2.0-  1.3-    081125 H55  0.1-  0.2+
081117 703  0.7-  1.2+    081118 854  0.3+  0.6-    081125 H55  0.3+  0.2+
081117 703  0.0   0.9+    081118 J95  0.2+  0.1+    081201 291  0.0   0.3-
081117 703  1.7-  0.0     081118 J95  0.0   0.2+    081201 291  0.2+  0.3-
081117 703  0.2-  0.6-    081118 J95  0.1+  0.1+    081201 291  0.2+  0.7+
081117 703  0.4-  0.3+    081119 H55  0.1-  0.1+    081202 291  0.5-  0.4+
081117 703  0.0   0.8-    081119 H55  0.2+  0.2+    081202 291  0.5-  0.2+
081117 204  0.0   0.0     081119 H55  0.3-  0.2-    240529 F51  0.1-  0.1-
081117 204  0.2+  0.2+    081120 H55  0.3-  0.1-    240529 F51  0.2-  0.1+
081117 473  0.2-  0.0     081120 H55  0.5+  0.1-    240529 F51  0.1-  0.0
081117 473  0.2-  0.0     081120 H55  0.1+  0.1+    240529 Z84  0.1+  0.2+
081118 H55  0.0   0.1+    081120 H55  0.2-  0.4-    240529 Z84  0.1+  0.0
081118 H55  0.3+  0.3+    081123 691  0.3+  0.2-    240529 Z84  0.1+  0.1+
081118 H55  0.0   0.1+    081123 691  0.6+  0.2+    240530 X09  1.0-  0.7+
081118 673  0.2+  1.1+    081123 691  0.3+  0.9-    240530 X09  1.4-  1.4+
081118 703  0.1+  0.3+    081124 H55  0.4-  0.1-    240530 H21  0.2-  0.0
081118 673  0.5-  1.8-    081124 H55  0.2+  0.2+    240530 H21  0.1+  0.2-
081118 703  0.5-  0.1-    081124 H55  0.2+  0.3+    240530 H01  0.1-  0.2-
081118 673  0.3+  2.2+    081125 H45  0.2-  0.6-    240530 H01  0.1-  0.1-
081118 703  0.1-  1.4-    081125 H45  0.6-  1.3-    240530 H01  0.1-  0.3-
081118 673  0.2-  0.1+    081125 H45  0.1+  1.0-    240530 H01  0.2-  0.0
081118 703  0.3+  1.1+    081125 H45  0.6-  2.4-    240530 I52  0.8+  0.3+
081118 H36  0.6-  0.2+    081125 H45  0.1-  1.1-    240530 I52  0.1+  0.3-
081118 H36  0.3+  0.1+    081125 H45  0.9-  2.5-
081118 H36  0.8+  0.2+    081125 H55  0.2-  0.7+

Ephemeris:
2008 WB                  a,e,i = 1.38, 0.09, 44                  q = 1.2531
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 04 30    15 50 59.6 -42 57 38   0.5680  1.5150   146.8    21.3    22.0
...
2024 05 15    15 12 11.6 -26 58 54   0.5055  1.5123   171.1     5.9    21.1
...
2024 05 23    14 54 50.9 -16 59 46   0.5102  1.5098   164.2    10.5    21.3
...
2024 05 29    14 44 34.9 -09 54 01   0.5312  1.5074   153.4    17.5    21.7
2024 05 30    14 43 06.8 -08 47 27   0.5360  1.5070   151.6    18.6    21.7
2024 05 31    14 41 43.0 -07 42 24   0.5411  1.5065   149.8    19.8    21.8
...
2024 06 06    14 34 47.4 -01 46 47   0.5787  1.5036   139.7    25.9    22.1
...
2024 06 14    14 29 14.7 +04 30 39   0.6427  1.4990   127.9    32.3    22.5
...
2024 06 29    14 28 17.7 +12 05 01   0.7861  1.4885   110.7    39.7    23.2

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-K131





More information about the Iaude mailing list