[Iaude] MPEC X14: 2021 WB5 [a=1.72,e=0.40,i=14.0,H=25.6]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed Dec 1 08:01:33 EST 2021


M.P.E.C. 2021-X14                              Issued 2021 December 1, 13:00 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 WB5                                    


Observations:
     K21W05B* C2021 11 28.15167902 31 42.09 +23 14 46.5          20.87GVEX014G96
     K21W05B  C2021 11 28.15733302 31 42.99 +23 16 06.2          20.82GVEX014G96
     K21W05B  C2021 11 28.16297102 31 43.87 +23 17 24.7          21.23GVEX014G96
     K21W05B  C2021 11 28.16861302 31 44.79 +23 18 43.2          21.03GVEX014G96
     K21W05B mC2021 11 28.26447002 31 59.77 +23 40 49.4                VEX014I52
     K21W05B mC2021 11 28.26488202 31 59.88 +23 40 55.6          21.36GVEX014I52
     K21W05B mC2021 11 28.26569802 32 00.02 +23 41 06.8                VEX014I52
     K21W05B KC2021 11 29.08162302 34 49.89 +26 42 11.4          21.0 VuEX014H21
     K21W05B KC2021 11 29.08441802 34 50.34 +26 42 48.6          20.8 VuEX014H21
     K21W05B KC2021 11 29.08879802 34 51.07 +26 43 44.9                uEX014H21
     K21W05B KC2021 12 01.08202502 41 37.04 +33 17 31.5          21.1 VuEX014H21
     K21W05B KC2021 12 01.08596802 41 37.68 +33 18 14.8          21.3 VuEX014H21
     K21W05B KC2021 12 01.18881602 41 57.37 +33 36 58.6          21.45GVEX014I52
     K21W05B KC2021 12 01.19758402 41 58.77 +33 38 33.7          21.40GVEX014I52

Observer details:
G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  Measurers E. J. Christensen,
    G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A.
    Kowalski, S. M. Larson, G. J. Leonard, D. Rankin, R. L. Seaman, F. C.
    Shelly, K. W. Wierzchos.  1.5-m reflector + 10K CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.76-m f/3.0 astrograph + CCD,
    1.3-m f/4.0 astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observers K. W. Wierzchos, D.
    Rankin.  Measurers E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R.
    Gibbs, A. D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J.
    Leonard, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.

Orbital elements:
2021 WB5                                                 Earth MOID = 0.0581 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M  32.75061              (2000.0)            P               Q                  
n   0.43610695     Peri.  338.94521     +0.74544828     -0.63149875             
a   1.7221622      Node    62.04308     +0.64087220     +0.59100944             
e   0.4018834      Incl.   13.97697     +0.18327489     +0.50191350             
P   2.26           H   25.66          G   0.15           U   8                  
Residuals in seconds of arc
211128 G96  0.2+  0.3-    211128 I52  0.2+  0.3+    211201 H21  0.3+  0.1+
211128 G96  0.1+  0.3+    211128 I52  0.3+  0.4+    211201 H21  0.0   0.2+
211128 G96  0.0   0.0     211129 H21  0.5-  0.2-    211201 I52  0.1+  0.4-
211128 G96  0.2+  0.3-    211129 H21  0.7-  0.6+    211201 I52  0.0   0.1+
211128 I52  0.5-  0.2-    211129 H21  0.6-  0.1-

Ephemeris:
2021 WB5                 a,e,i = 1.72, 0.40, 14                  q = 1.0301
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 01    01 12 38.5 -60 58 07   0.1341  1.0319   103.4    69.4    23.8
...
2021 11 16    01 52 38.9 -30 51 42   0.07498 1.0346   125.8    50.9    22.0
...
2021 11 24    02 17 52.1 +05 03 59   0.06655 1.0462   151.2    27.0    21.1
...
2021 11 30    02 37 53.0 +29 52 33   0.07986 1.0592   154.9    23.3    21.4
2021 12 01    02 41 16.9 +33 02 48   0.08339 1.0617   153.9    24.1    21.5
2021 12 02    02 44 41.8 +35 56 20   0.08720 1.0643   152.7    25.1    21.7
...
2021 12 08    03 05 26.1 +48 25 47   0.1145  1.0818   145.9    30.7    22.4
...
2021 12 16    03 33 16.5 +56 46 16   0.1579  1.1098   140.0    34.7    23.3
...
2021 12 31    04 22 35.3 +61 31 08   0.2509  1.1743   135.0    36.3    24.5

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-X14




More information about the Iaude mailing list