[Iaude] MPEC X148: 2021 XO3 [a=0.72,e=0.48,i=4.9,H=24.8]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Tue Dec 7 12:29:10 EST 2021


M.P.E.C. 2021-X148                             Issued 2021 December 7, 17:27 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 XO3                                    


Observations:
     K21X03O* C2021 12 06.28523404 43 38.90 -11 28 26.5          20.92GVEX148G96
     K21X03O  C2021 12 06.29182804 43 33.62 -11 28 14.1          21.12GVEX148G96
     K21X03O  C2021 12 06.29948904 43 27.41 -11 27 59.7          21.10GVEX148G96
     K21X03O  C2021 12 06.30509504 43 22.93 -11 27 47.8          21.32GVEX148G96
     K21X03O  C2021 12 06.36084504 42 37.69 -11 25 59.6          21.4 GVEX148H01
     K21X03O  C2021 12 06.36471804 42 34.62 -11 25 52.2          21.0 GVEX148H01
     K21X03O  C2021 12 06.37468104 42 26.59 -11 25 32.0          21.0 GVEX148H01
     K21X03O  C2021 12 06.38462304 42 18.64 -11 25 12.4          21.1 GVEX148H01
     K21X03O KC2021 12 06.39037104 42 14.27 -11 24 59.4          21.16GVEX148I52
     K21X03O KC2021 12 06.39265204 42 12.46 -11 24 55.0          21.42GVEX148I52
     K21X03O KC2021 12 06.39493404 42 10.63 -11 24 50.3          21.41GVEX148I52
     K21X03O KC2021 12 06.39721604 42 08.78 -11 24 46.0          20.79GVEX148I52
     K21X03O KC2021 12 07.39534404 29 29.37 -10 51 02.7          20.63GVEX148V06
     K21X03O KC2021 12 07.39822404 29 27.14 -10 50 56.5          21.32GVEX148V06
     K21X03O KC2021 12 07.40110704 29 24.93 -10 50 50.5          21.07GVEX148V06
     K21X03O KC2021 12 07.51092604 28 06.16 -10 45 16.8          21.1 GVEX148474
     K21X03O KC2021 12 07.51274304 28 04.79 -10 45 13.7          21.0 GVEX148474
     K21X03O KC2021 12 07.51456104 28 03.36 -10 45 09.4          20.9 GVEX148474
     K21X03O KC2021 12 07.51638104 28 01.99 -10 45 06.3          20.9 GVEX148474

Observer details:
474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore, P. M.
    Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
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.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 Ritchey-Chretien + 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.
V06 Catalina Sky Survey-Kuiper.  Observer H. Groeller.  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 XO3                                                 Earth MOID = 0.0069 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M 238.08863              (2000.0)            P               Q                  
n   1.59749865     Peri.  149.33271     -0.18205503     +0.97994278             
a   0.7247291      Node   110.07368     -0.91875157     -0.14015947             
e   0.4834728      Incl.    4.94996     -0.35035914     -0.14165973             
P   0.62           H   24.88          G   0.15           U   8                  
Residuals in seconds of arc
211206 G96  0.6-  0.2+    211206 H01  0.2-  0.1-    211207 V06  0.1-  0.1-
211206 G96  0.0   0.2-    211206 I52  0.1+  0.2+    211207 474  0.1-  0.5+
211206 G96  0.2-  0.6-    211206 I52  0.4+  0.1+    211207 474  0.2+  0.2-
211206 G96  0.5+  0.4+    211206 I52  0.3+  0.2+    211207 474  0.1-  0.2+
211206 H01  0.1-  0.3+    211206 I52  0.1-  0.1-    211207 474  0.3+  0.5-
211206 H01  0.4+  0.0     211207 V06  0.1-  0.0
211206 H01  0.3-  0.3+    211207 V06  0.3-  0.1+

Ephemeris:
2021 XO3                 a,e,i = 0.72, 0.48, 5                   q = 0.3743
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 07    09 11 18.3 -09 44 03   0.1691  0.9814    81.8    88.4    24.1
...
2021 11 22    07 40 05.2 -13 14 51   0.1150  1.0403   114.3    59.9    22.4
...
2021 11 30    06 08 27.3 -13 42 26   0.09871 1.0599   136.3    40.0    21.6
...
2021 12 06    04 47 21.6 -11 36 34   0.09955 1.0693   145.9    31.1    21.3
2021 12 07    04 34 30.7 -11 03 45   0.1009  1.0705   146.0    30.9    21.4
2021 12 08    04 22 07.0 -10 28 44   0.1027  1.0715   145.7    31.2    21.4
...
2021 12 14    03 19 43.9 -06 40 12   0.1191  1.0749   137.3    38.4    22.0
...
2021 12 22    02 27 35.8 -02 08 14   0.1518  1.0726   122.3    50.8    22.8
...
2022 01 06    01 45 09.1 +03 40 46   0.2236  1.0468   100.3    67.5    24.1

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-X148




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