[Iaude] MPEC X65: 2021 WR6 [a=1.57,e=0.28,i=22.9,H=24.9]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Dec 3 05:36:58 EST 2021


M.P.E.C. 2021-X65                              Issued 2021 December 3, 10:35 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  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

                                    2021 WR6                                    


Observations:
     K21W06R* C2021 11 30.28734005 14 48.99 +25 03 17.0          21.95GVEX065V00
     K21W06R  C2021 11 30.29219605 14 48.11 +25 03 53.6          22.15GVEX065V00
     K21W06R  C2021 11 30.29705005 14 47.23 +25 04 30.2          21.84GVEX065V00
     K21W06R  C2021 11 30.30191005 14 46.39 +25 05 05.9          22.09GVEX065V00
     K21W06R mC2021 11 30.39734605 14 29.32 +25 16 54.9          22.40GVEX065V00
     K21W06R mC2021 11 30.39823305 14 29.18 +25 17 01.4          21.77GVEX065V00
     K21W06R mC2021 11 30.39913405 14 29.01 +25 17 08.0          22.05GVEX065V00
     K21W06R mC2021 11 30.40002005 14 28.84 +25 17 14.7          21.99GVEX065V00
     K21W06R  C2021 12 01.36867405 11 51.77 +27 15 47.4          22.03GVEX065V00
     K21W06R  C2021 12 01.37083705 11 51.36 +27 16 03.5          21.88GVEX065V00
     K21W06R  C2021 12 01.37299505 11 50.98 +27 16 18.4                VEX065V00
     K21W06R  C2021 12 01.37514905 11 50.58 +27 16 34.3          21.82GVEX065V00
     K21W06R KC2021 12 03.22866 05 06 41.49 +30 54 34.1                oEX065291
     K21W06R KC2021 12 03.24071 05 06 39.28 +30 55 58.2          22.5 RoEX065291
     K21W06R KC2021 12 03.25288 05 06 36.99 +30 57 21.8                oEX065291

Observer details:
291 LPL/Spacewatch II.  Observer J. V. Scotti.  1.8-m f/2.7 reflector + CCD.
V00 Kitt Peak-Bok.  Observer R. A. Mastaler.  Measurers M. J. Brucker, E. J.
    Christensen, C. E. Woodward, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
    Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. S.
    McMillan, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  2.25-m
    reflector + CCD.

Orbital elements:
2021 WR6                                                 Earth MOID = 0.1717 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Bell                    
M  44.24270              (2000.0)            P               Q                  
n   0.49997260     Peri.  327.28403     +0.76545814     -0.53109366             
a   1.5721908      Node    69.08496     +0.64161428     +0.58689357             
e   0.2840698      Incl.   22.89011     +0.04904039     +0.61114275             
P   1.97           H   24.98          G   0.15           U   8                  
Residuals in seconds of arc
211130 V00  0.1+  0.2-    211130 V00  0.2+  0.0     211201 V00  0.1+  0.4-
211130 V00  0.1-  0.1+    211130 V00  0.0   0.0     211201 V00  0.0   0.0
211130 V00 (0.3-  0.4+)   211130 V00  0.1-  0.2+    211203 291  0.4-  0.3-
211130 V00  0.0   0.2-    211201 V00  0.1+  0.1-    211203 291  0.3+  0.4+
211130 V00  0.1-  0.1+    211201 V00  0.2-  0.4+    211203 291  0.2+  0.0

Ephemeris:
2021 WR6                 a,e,i = 1.57, 0.28, 23                  q = 1.1256
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 03    05 53 15.8 -22 49 18   0.2458  1.1285   118.0    50.9    24.1
...
2021 11 18    05 40 52.2 -00 55 22   0.1894  1.1451   142.7    31.5    23.0
...
2021 11 26    05 25 30.1 +15 53 15   0.1812  1.1594   160.6    16.4    22.5
...
2021 12 02    05 10 07.9 +28 31 24   0.1893  1.1725   169.2     9.1    22.3
2021 12 03    05 07 19.1 +30 28 20   0.1919  1.1749   169.1     9.1    22.4
2021 12 04    05 04 27.0 +32 21 26   0.1948  1.1773   168.6     9.5    22.4
...
2021 12 10    04 46 38.8 +42 07 50   0.2184  1.1927   160.3    16.2    22.9
...
2021 12 18    04 24 06.0 +51 01 54   0.2627  1.2157   148.5    25.0    23.7
...
2022 01 02    03 58 47.2 +58 56 25   0.3694  1.2651   133.2    34.5    24.8

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-X65




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