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  • MPEC 2011-W11 : 2011 WL2

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    M.P.E.C. 2011-W11                                Issued 2011 Nov. 18, 17:31 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
       on behalf of Commission 20 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@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                       2011 WL2
    
    Observations:
         K11W02L* C2011 11 16.31883 03 42 47.30 -20 58 24.1          18.2  cEW011704
         K11W02L  C2011 11 16.33167 03 42 44.77 -20 58 31.9          18.6  cEW011704
         K11W02L  C2011 11 16.34450 03 42 42.18 -20 58 40.4          18.2  cEW011704
         K11W02L  C2011 11 16.35733 03 42 39.68 -20 58 48.7          18.4  cEW011704
         K11W02L  C2011 11 16.37015 03 42 37.10 -20 58 56.5          18.6  cEW011704
         K11W02L KC2011 11 17.13772 03 40 27.37 -21 05 54.5          18.4 VuEW011I39
         K11W02L KC2011 11 17.14590 03 40 25.96 -21 05 59.8          18.2 VuEW011I39
         K11W02L KC2011 11 17.14698 03 40 25.72 -21 06 00.5          18.2 VuEW011I39
         K11W02L KC2011 11 17.15562 03 40 24.14 -21 06 05.3          18.2 VuEW011I39
         K11W02L KC2011 11 17.15843 03 40 23.58 -21 06 07.2          18.2 VuEW011I39
         K11W02L  C2011 11 17.15970 03 40 26.06 -21 07 00.7          19.0 RoEW011G48
         K11W02L  C2011 11 17.16064 03 40 25.85 -21 07 01.1          18.8 RoEW011G48
         K11W02L  C2011 11 17.16159 03 40 25.69 -21 07 01.3          18.8 RoEW011G48
         K11W02L  C2011 11 17.16250 03 40 25.54 -21 07 01.8          18.9 RoEW011G48
         K11W02L  C2011 11 17.16343 03 40 25.39 -21 07 02.7          18.9 RoEW011G48
         K11W02L  C2011 11 17.16434 03 40 25.19 -21 07 03.4          18.7 RoEW011G48
         K11W02L  C2011 11 17.16604 03 40 24.74 -21 07 05.9          18.4 RoEW011H01
         K11W02L |C2011 11 17.17455 03 40 21.29 -21 06 20.3          18.4 VoEW011807
         K11W02L KC2011 11 17.17494 03 40 20.48 -21 06 16.5          17.8 VuEW011I39
         K11W02L  C2011 11 17.17588 03 40 22.95 -21 07 12.2          18.4 RoEW011H01
         K11W02L |C2011 11 17.17760 03 40 20.74 -21 06 22.4          18.5 VoEW011807
         K11W02L |C2011 11 17.18085 03 40 20.10 -21 06 23.9          18.5 VoEW011807
         K11W02L  C2011 11 17.18241 03 40 21.73 -21 07 16.3          18.9 RoEW011H01
         K11W02L KC2011 11 17.18259 03 40 19.08 -21 06 20.5          17.9 VuEW011I39
         K11W02L |C2011 11 17.18390 03 40 19.55 -21 06 25.7          18.5 VoEW011807
         K11W02L |C2011 11 17.18695 03 40 18.98 -21 06 27.6          18.5 VoEW011807
         K11W02L  C2011 11 17.18814 03 40 20.71 -21 07 20.1          18.6 RoEW011H01
         K11W02L KC2011 11 17.18984 03 40 17.76 -21 06 24.9          17.6 VuEW011I39
         K11W02L |C2011 11 17.19047 03 40 18.30 -21 06 29.9          18.5 VoEW011807
         K11W02L  C2011 11 17.24593303 40 09.38 -21 07 58.3          17.8 RuEW011H36
         K11W02L  C2011 11 17.24731 03 40 09.74 -21 07 55.3          18.3  cEW011704
         K11W02L  C2011 11 17.24892903 40 08.83 -21 08 00.1          17.7 RuEW011H36
         K11W02L  C2011 11 17.25197503 40 08.24 -21 08 02.0          17.6 RuEW011H36
         K11W02L  C2011 11 17.27314 03 40 04.91 -21 08 10.8          18.8  cEW011704
         K11W02L  C2011 11 17.28574 03 40 02.59 -21 08 17.3          18.8  cEW011704
         K11W02L  C2011 11 17.29924 03 40 00.14 -21 08 25.2          18.6  cEW011704
         K11W02L KC2011 11 17.96410 03 38 13.66 -21 14 06.9          18.1 RtEW011204
         K11W02L KC2011 11 17.97045 03 38 12.57 -21 14 09.8                tEW011204
         K11W02L KC2011 11 17.97678 03 38 11.46 -21 14 12.6                tEW011204
         K11W02L HC2011 11 18.25501 03 37 29.53 -21 16 09.6                oEW011291
         K11W02L HC2011 11 18.25682 03 37 29.22 -21 16 10.1                oEW011291
         K11W02L HC2011 11 18.25862 03 37 28.90 -21 16 11.1                oEW011291
    
    Observer details:
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.38-m f/6.8 reflector
        + CCD.
    291 LPL/Spacewatch II.  Observer R. S. McMillan.  1.8-m f/2.7 reflector + CCD.
    704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, G. Spitz,
        R. Brungard, J. Paige, P. Festler, T. McVey, A. Valdivia, C. Gall.  1.0-m
        f/2.15 reflector + CCD.
    807 Cerro Tololo.  Observers R. Holmes, T. Linder, V. Hoette.  Measurers
        R. Holmes, T. Linder.  0.41-m f/11 Ritchey-Chretien + CCD.
    G48 Doc Greiner Research Obs., Rancho Hildalgo.  Observer M. Mills.  0.40-m
        f/10 Schmidt-Cassegrain + CCD.
    H01 Magdalena Ridge Observatory, Socorro.  Observer W. H. Ryan.  2.4-m f/8.9
        reflector + CCD.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
    I39 Observatorio Cruz del Sur, San Justo.  Observer A. Chapman.  0.20-m f/4
        reflector + CCD.
    
    Orbital elements:
    2011 WL2                                            PHA, Earth MOID = 0.0017 AU
    Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
    M   7.62483              (2000.0)            P               Q
    n   0.88000863     Peri.   88.89289     +0.51090354     +0.84934297
    a   1.0784783      Node   212.93236     -0.85331450     +0.48239048
    e   0.2832761      Incl.   14.12193     -0.10407660     +0.21428005
    P   1.12           H   20.8           G   0.15           U   8
    Residuals in seconds of arc
    111116 704  0.0   0.8-    111117 G48  0.7+  0.1-    111117 807  0.0   0.3-
    111116 704  0.4+  0.0     111117 G48  0.2+  0.2-    111117 H36  0.0   0.3+
    111116 704  0.2-  0.2-    111117 H01  0.0   0.1+    111117 704  0.6-  0.8+
    111116 704  0.4+  0.2-    111117 807  0.1-  0.1+    111117 H36  0.0   0.2+
    111116 704  0.4-  0.1+    111117 I39  0.1-  0.1-    111117 H36  0.3-  0.0
    111117 I39  1.4-  0.5+    111117 H01  0.1-  0.1+    111117 704  1.0-  0.2+
    111117 I39  0.4+  0.0     111117 807  0.2+  0.2-    111117 704  0.7-  0.7+
    111117 I39  0.1-  0.0     111117 807  0.2-  0.2+    111117 704  0.2+  0.2+
    111117 I39  0.4+  0.1+    111117 H01  0.5-  0.2+    111117 204  0.0   0.1+
    111117 I39  0.0   0.2-    111117 I39  0.3+  0.1+    111117 204  0.2+  0.1+
    111117 G48  0.6+  0.5-    111117 807  0.1+  0.1+    111117 204  0.0   0.2+
    111117 G48  0.1+  0.3-    111117 807  0.2+  0.0     111118 291  0.0   0.3-
    111117 G48  0.2+  0.1+    111117 H01  0.2-  0.0     111118 291  0.1+  0.0
    111117 G48  0.4+  0.2+    111117 I39  0.8+  0.3-    111118 291  0.0   0.1-
    
    Ephemeris:
    2011 WL2                 a,e,i = 1.08, 0.28, 14                  q = 0.7730
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2011 10 19    10 30 10.1 +34 52 09   0.05583 0.9713    62.1   115.0    19.0
    ...
    2011 11 03    04 57 41.0 -11 33 54   0.07213 1.0444   135.0    42.2    16.8
    ...
    2011 11 11    04 02 24.2 -19 14 41   0.1160  1.0824   140.7    35.4    17.7
    ...
    2011 11 17    03 40 50.2 -21 04 48   0.1526  1.1100   140.0    35.0    18.4
    2011 11 18    03 38 08.1 -21 13 32   0.1589  1.1146   139.7    35.0    18.5
    2011 11 19    03 35 37.7 -21 20 14   0.1653  1.1191   139.4    35.1    18.6
    ...
    2011 11 25    03 23 58.4 -21 26 42   0.2045  1.1454   137.0    36.0    19.1
    ...
    2011 12 03    03 15 06.0 -20 34 46   0.2596  1.1789   133.2    37.6    19.7
    ...
    2011 12 18    03 11 25.6 -17 24 38   0.3701  1.2356   125.3    40.5    20.7
    
    A. U. Tomatic                (C) Copyright 2011 MPC           M.P.E.C. 2011-W11
    

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