[Iaude] MPEC X130: 2021 XA3 [a=2.06,e=0.51,i=9.3,H=26.3]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Dec 6 05:49:14 EST 2021


M.P.E.C. 2021-X130                             Issued 2021 December 6, 10:48 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 XA3                                    


Observations:
     K21X03A* C2021 12 05.26791804 21 59.94 -05 28 39.5          20.71GVEX130G96
     K21X03A  C2021 12 05.27359704 22 04.90 -05 26 44.1          20.45GVEX130G96
     K21X03A  C2021 12 05.27929004 22 09.94 -05 24 48.6          20.48GVEX130G96
     K21X03A  C2021 12 05.28497004 22 14.87 -05 22 54.2          19.96GVEX130G96
     K21X03A KC2021 12 05.36398104 23 24.54 -04 56 05.3          20.35GVEX130I52
     K21X03A KC2021 12 05.36475404 23 25.23 -04 55 49.2          20.38GVEX130I52
     K21X03A KC2021 12 05.36552704 23 25.92 -04 55 33.6          20.11GVEX130I52
     K21X03A KC2021 12 05.36630204 23 26.65 -04 55 20.7          18.89GVEX130I52
     K21X03A KC2021 12 05.95883804 33 07.43 -01 31 16.5          20.4 GVEX130L01
     K21X03A KC2021 12 05.96052504 33 09.01 -01 30 41.0          20.2 GVEX130L01
     K21X03A KC2021 12 05.96276704 33 11.09 -01 29 54.7          20.1 GVEX130L01
     K21X03A pC2021 12 05.96475004 33 12.81 -01 29 13.7          20.2 GVEX130L01
     K21X03A KC2021 12 06.15414404 36 29.88 -00 22 02.4          20.3 GVEX130H01
     K21X03A KC2021 12 06.16104504 36 36.28 -00 19 36.3          20.1 GVEX130H01
     K21X03A  C2021 12 06.17162804 36 46.10 -00 15 52.4          19.8 GVEX130H01
     K21X03A  C2021 12 06.17704404 36 51.10 -00 13 57.8          19.7 GVEX130H01
     K21X03A mC2021 12 06.21511204 37 26.94 -00 00 25.4          19.84GVEX130I52
     K21X03A mC2021 12 06.21736004 37 28.97 +00 00 21.9          20.97GVEX130I52
     K21X03A mC2021 12 06.21907004 37 30.53 +00 00 58.3          19.98GVEX130I52
     K21X03A mC2021 12 06.21937504 37 30.81 +00 01 04.8          19.79GVEX130I52

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.
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.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.

Orbital elements:
2021 XA3                                                 Earth MOID = 0.0377 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Bell                    
M  17.24279              (2000.0)            P               Q                  
n   0.33248199     Peri.  347.98549     +0.39502077     -0.90491695             
a   2.0635926      Node    78.57992     +0.85567899     +0.29968543             
e   0.5069172      Incl.    9.29850     +0.33432327     +0.30218199             
P   2.96           H   26.34          G   0.15           U   8                  
Residuals in seconds of arc
211205 G96  0.2+  0.2+    211205 I52 (0.6+  3.4-)   211206 H01  0.0   0.1-
211205 G96  0.0   0.5+    211205 L01  0.2-  0.9+    211206 H01  0.0   0.2-
211205 G96  0.6+  0.6+    211205 L01  0.3+  0.9+    211206 I52  0.3+  0.2+
211205 G96  0.2-  0.2-    211205 L01  0.8+  0.1-    211206 I52  0.0   0.2-
211205 I52  0.2-  0.5-    211205 L01  0.5-  0.6-    211206 I52  0.1-  0.0
211205 I52  0.1-  0.2-    211206 H01  0.0   0.1-    211206 I52  0.1-  0.0
211205 I52  0.1-  0.4-    211206 H01  0.2-  0.1-

Ephemeris:
2021 XA3                 a,e,i = 2.06, 0.51, 9                   q = 1.0175
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 06    01 04 35.3 -46 53 04   0.1465  1.0581   113.4    59.3    24.4
...
2021 11 21    01 53 37.4 -42 22 06   0.08431 1.0234   112.7    63.0    23.3
...
2021 11 29    02 57 22.3 -30 50 52   0.05354 1.0175   124.2    53.4    22.0
...
2021 12 05    04 17 42.6 -06 56 14   0.03861 1.0192   150.0    28.9    20.6
2021 12 06    04 33 48.1 -01 14 20   0.03768 1.0199   156.0    23.1    20.4
2021 12 07    04 50 23.2 +04 40 46   0.03735 1.0209   162.1    17.3    20.2
...
2021 12 13    06 29 19.8 +34 02 18   0.04722 1.0294   161.4    17.8    20.7
...
2021 12 21    08 01 34.4 +48 18 42   0.07771 1.0483   144.8    32.7    22.3
...
2022 01 05    09 03 57.8 +52 44 51   0.1487  1.1043   142.0    33.2    23.8

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-X130




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