[Iaude] MPEC X132: 2021 XC3 [a=2.45,e=0.59,i=7.1,H=25.5]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Dec 6 05:53:42 EST 2021


M.P.E.C. 2021-X132                             Issued 2021 December 6, 10:52 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 XC3                                    


Observations:
     K21X03C* C2021 12 05.29059004 53 12.07 -05 49 33.3          20.92GVEX132G96
     K21X03C  C2021 12 05.30028304 53 17.41 -05 49 34.9          20.86GVEX132G96
     K21X03C  C2021 12 05.30596204 53 20.53 -05 49 35.9          20.76GVEX132G96
     K21X03C  C2021 12 05.31166904 53 23.66 -05 49 36.5          21.09GVEX132G96
     K21X03C KC2021 12 05.39296204 54 08.22 -05 49 46.7          20.59GVEX132I52
     K21X03C KC2021 12 05.39443004 54 09.01 -05 49 46.7          20.64GVEX132I52
     K21X03C KC2021 12 05.39589904 54 09.85 -05 49 47.0          21.12GVEX132I52
     K21X03C KC2021 12 05.39737004 54 10.63 -05 49 46.8          21.01GVEX132I52
     K21X03C KC2021 12 06.27438705 02 21.36 -05 51 02.6          20.84GVEX132I52
     K21X03C KC2021 12 06.27642305 02 22.35 -05 51 02.3          21.30GVEX132I52
     K21X03C KC2021 12 06.27846005 02 23.35 -05 51 02.4          21.23GVEX132I52
     K21X03C KC2021 12 06.28006705 02 23.89 -05 51 02.4                VEX132I52

Observer details:
G96 Mt. Lemmon Survey.  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.  1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer D. C. Fuls.  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 XC3                                                 Earth MOID = 0.0223 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Bell                    
M  18.14286              (2000.0)            P               Q                  
n   0.25707024     Peri.  167.28476     +0.71179252     -0.69465511             
a   2.4496358      Node   237.21835     +0.63312095     +0.69861706             
e   0.5897953      Incl.    7.10231     +0.30415337     +0.17143066             
P   3.83           H   25.50          G   0.15           U   9                  
Residuals in seconds of arc
211205 G96  0.0   0.0     211205 I52  0.1+  0.0     211206 I52  0.0   0.3-
211205 G96  0.1+  0.1-    211205 I52  0.2-  0.2+    211206 I52  0.1-  0.1+
211205 G96  0.0   0.2-    211205 I52  0.2+  0.1+    211206 I52  0.1+  0.1+
211205 G96  0.0   0.0     211205 I52  0.1-  0.4+    211206 I52 (3.6-  0.2+)

Ephemeris:
2021 XC3                 a,e,i = 2.45, 0.59, 7                   q = 1.0049
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 06    20 59 30.9 +06 57 14   0.1061  1.0072    95.6    78.4    23.4
...
2021 11 21    23 51 17.5 +01 55 07   0.04757 1.0127   120.1    57.5    21.0
...
2021 11 29    03 19 03.5 -04 24 13   0.05089 1.0310   150.3    28.3    20.4
...
2021 12 05    04 50 15.9 -05 47 30   0.07376 1.0512   151.9    26.2    21.1
2021 12 06    04 59 53.1 -05 49 40   0.07839 1.0550   151.6    26.4    21.3
2021 12 07    05 08 24.6 -05 49 55   0.08318 1.0590   151.4    26.5    21.4
...
2021 12 13    05 43 32.1 -05 26 03   0.1143  1.0858   150.9    26.2    22.2
...
2021 12 21    06 07 19.0 -04 19 32   0.1603  1.1279   152.1    24.1    22.9
...
2022 01 05    06 26 46.1 -01 27 35   0.2597  1.2227   154.4    20.4    24.0

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-X132




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