[Iaude] MPEC X15: 2021 WC5 [a=1.79,e=0.48,i=1.0,H=28.3]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed Dec 1 08:02:08 EST 2021


M.P.E.C. 2021-X15                              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 WC5                                    


Observations:
     K21W05C* C2021 11 29.26662303 49 02.44 +15 08 25.3          20.97GVEX015G96
     K21W05C  C2021 11 29.27175503 49 07.15 +15 09 01.5          21.51GVEX015G96
     K21W05C  C2021 11 29.27688503 49 11.80 +15 09 37.3          21.95GVEX015G96
     K21W05C  C2021 11 29.28202203 49 16.44 +15 10 14.1          21.48GVEX015G96
     K21W05C KC2021 11 29.42211303 51 23.05 +15 26 05.5          22.01GVEX015I52
     K21W05C KC2021 11 29.42491403 51 25.60 +15 26 24.0          21.67GVEX015I52
     K21W05C KC2021 11 29.42771603 51 28.15 +15 26 42.6          21.99GVEX015I52
     K21W05C KC2021 11 29.43051603 51 30.68 +15 27 00.8          21.77GVEX015I52
     K21W05C KC2021 11 30.30681004 04 20.83 +16 55 21.5          21.88GVEX015G96
     K21W05C KC2021 11 30.30846804 04 21.99 +16 55 31.2          22.82GVEX015G96
     K21W05C KC2021 11 30.31012704 04 23.20 +16 55 39.0          21.02GVEX015G96
     K21W05C KC2021 11 30.31178404 04 24.39 +16 55 47.9          22.04GVEX015G96
     K21W05C KC2021 12 01.20052504 15 11.23 +18 06 23.9          22.27GVEX015V06
     K21W05C KC2021 12 01.20176304 15 12.01 +18 06 29.1          21.91GVEX015V06
     K21W05C KC2021 12 01.20299804 15 12.78 +18 06 35.4          21.60GVEX015V06

Observer details:
G96 Mt. Lemmon Survey.  Observers G. J. Leonard, A. R. Gibbs.  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.
I52 Steward Observatory, Mt. Lemmon Station.  Observer K. W. Wierzchos.
    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.
V06 Catalina Sky Survey-Kuiper.  Observer 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.  1.55-m reflector + 1K CCD.

Orbital elements:
2021 WC5                                                 Earth MOID = 0.0058 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M  36.35817              (2000.0)            P               Q                  
n   0.41013875     Peri.  304.25743     +0.93000996     -0.36713951             
a   1.7941091      Node    77.28704     +0.34268619     +0.84945353             
e   0.4832392      Incl.    1.00039     +0.13284447     +0.37899509             
P   2.40           H   28.32          G   0.15           U   8                  
Residuals in seconds of arc
211129 G96  0.3-  0.5+    211129 I52  0.1+  0.2-    211130 G96  0.0   0.0
211129 G96  0.3+  0.2+    211129 I52  0.1+  0.1+    211130 G96  0.0   0.1+
211129 G96  0.1+  0.4-    211129 I52  0.1-  0.0     211201 V06  0.4-  0.2-
211129 G96  0.3-  0.1+    211130 G96  0.1+  0.1+    211201 V06  0.1+  0.5-
211129 I52  0.1+  0.4-    211130 G96  0.3-  1.0+    211201 V06  0.5+  0.4+

Ephemeris:
2021 WC5                 a,e,i = 1.79, 0.48, 1                   q = 0.9271
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 01    18 29 53.7 -28 24 44   0.1282  0.9316    58.3   115.0    28.2
...
2021 11 16    19 57 21.4 -29 56 48   0.04693 0.9681    62.3   115.2    26.1
...
2021 11 24    00 55 56.6 -08 38 03   0.02123 1.0002   126.6    52.4    21.9
...
2021 11 30    04 00 11.6 +16 27 45   0.04297 1.0289   172.5     7.2    22.1
2021 12 01    04 12 50.8 +17 52 37   0.04811 1.0341   174.8     5.0    22.2
2021 12 02    04 23 10.6 +18 58 49   0.05340 1.0393   176.4     3.4    22.4
...
2021 12 08    04 58 36.7 +22 23 59   0.08731 1.0724   179.7     0.3    23.2
...
2021 12 16    05 17 54.0 +23 59 50   0.1367  1.1206   176.3     3.2    24.6
...
2021 12 31    05 33 19.0 +24 56 20   0.2429  1.2193   164.7    12.3    26.4

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-X15




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