[Iaude] MPEC X45: 2020 XA1 [a=1.04,e=0.04,i=0.3,H=27.4]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Dec 7 03:52:25 EST 2020


M.P.E.C. 2020-X45                              Issued 2020 December 7, 08:51 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

                                    2020 XA1                                    


Observations:
     K20X01A* C2020 12 06.44772907 01 56.74 +31 24 22.6          18.73GVEX045703
     K20X01A  C2020 12 06.45326307 01 56.84 +31 24 27.1          18.96GVEX045703
     K20X01A  C2020 12 06.45879707 01 56.82 +31 24 31.0          18.67GVEX045703
     K20X01A  C2020 12 06.46433407 01 56.72 +31 24 33.9          19.19GVEX045703
     K20X01A  C2020 12 06.48124507 02 43.00 +31 28 54.4          18.55oVEX045T08
     K20X01A  C2020 12 06.48447207 02 42.77 +31 29 01.7          18.77oVEX045T08
     K20X01A  C2020 12 06.51984007 02 40.01 +31 30 09.5          17.71oVEX045T08
     K20X01A  C2020 12 06.52189707 01 59.08 +31 24 46.2          17.63GVEX045I52
     K20X01A  C2020 12 06.52779907 01 59.58 +31 24 45.4          17.45GVEX045I52
     K20X01A  C2020 12 06.53125407 02 39.10 +31 30 26.6          17.28oVEX045T08
     K20X01A  C2020 12 06.53299907 02 00.09 +31 24 44.2          17.04GVEX045I52
     K20X01A  C2020 12 06.53904707 02 00.74 +31 24 42.6          16.24GVEX045I52
     K20X01A  C2020 12 06.60921 07 03 44.45 +31 27 29.9          18.8 VqEX045900
     K20X01A  C2020 12 06.61665 07 03 44.71 +31 27 52.6          19.1 VqEX045900
     K20X01A  C2020 12 06.62410 07 03 44.91 +31 28 14.4                qEX045900
     K20X01A KC2020 12 06.79588 07 05 01.01 +31 26 23.7          18.6 VVEX045L04
     K20X01A KC2020 12 06.80505 07 05 03.49 +31 26 57.8          19.0 VVEX045L04
     K20X01A KC2020 12 06.84734307 05 12.35 +31 26 20.5          18.8 GVEX045Z99
     K20X01A KC2020 12 06.85082207 05 13.43 +31 26 32.5          18.8 GVEX045Z99
     K20X01A KC2020 12 06.85459507 05 14.55 +31 26 45.3          18.8 GVEX045Z99
     K20X01A KC2020 12 06.93075807 05 40.62 +31 33 31.8          18.3 GVEX045B49
     K20X01A KC2020 12 06.93322907 05 40.92 +31 33 39.9          18.6 GVEX045B49
     K20X01A KC2020 12 06.93914407 05 41.69 +31 33 59.6          18.7 GVEX045B49
     K20X01A KC2020 12 06.94383707 05 42.26 +31 34 15.8          18.1 GVEX045B49
     K20X01A  C2020 12 07.28796707 07 32.51 +31 46 34.1          19.49GVEX045I52
     K20X01A  C2020 12 07.29033807 07 32.65 +31 46 41.0          19.31GVEX045I52
     K20X01A  C2020 12 07.29306907 07 32.68 +31 46 48.7          18.50GVEX045I52
     K20X01A  C2020 12 07.29554607 07 32.72 +31 46 56.5                VEX045I52

Observer details:
703 Catalina Sky Survey.  Observer R. A. Kowalski.  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, T. A. Pruyne, D.
    Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  0.68-m Schmidt + 10K
    CCD.
900 Moriyama.  Observer Y. Ikari.  0.26-m f/7.0 reflector + CCD.
B49 Paus Observatory, Sabadell.  Observer J. Camarasa.  0.30-m f/4 reflector +
    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, T. A. Pruyne, D.
    Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.0-m reflector +
    CCD.
L04 ROASTERR-1 Observatory, Cluj-Napoca.  Observer L. Hudin.  0.3-m f/5
    reflector + CCD.
T08 ATLAS-MLO, Mauna Loa.  Observers L. Denneau, J. Tonry, A. Heinze, H.
    Weiland.  Measurers L. Denneau, J. Tonry, A. Heinze, H. Weiland, H.
    Flewelling, A. Fitzsimmons, J. Robinson, N. Erasmus.  0.5-m reflector +
    CCD.
Z99 Clixby Observatory, Cleethorpes.  Observer A. Mickleburgh.  0.36-m f/8
    Schmidt-Cassegrain + CCD.

Orbital elements:
2020 XA1                                                 Earth MOID = 0.0090 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M 357.29994              (2000.0)            P               Q                  
n   0.93382689     Peri.   30.07863     +0.02733296     -0.99961549             
a   1.0366332      Node    58.35548     +0.91604286     +0.02317829             
e   0.0420881      Incl.    0.31411     +0.40014797     +0.01521974             
P   1.06           H   27.40          G   0.15           U   7                  
Residuals in seconds of arc
201206 703  1.6-  0.6-    201206 I52  0.3-  0.0+    201206 B49  0.3+  0.2-
201206 703  0.5+  0.4-    201206 I52  0.3-  0.1+    201206 B49  0.1-  0.5-
201206 703  0.6+  0.4-    201206 900  0.3+  0.3-    201206 B49  0.2+  0.7-
201206 703  0.7-  0.9-    201206 900  0.3+  0.1+    201206 B49  0.5+  0.0-
201206 T08  0.3+  0.2+    201206 900  0.4+  0.2+    201207 I52  0.0+  0.5+
201206 T08  0.3+  0.2+    201206 L04  0.3-  0.2-    201207 I52  0.8+  0.0+
201206 T08  0.1+  0.3+    201206 L04  0.7-  0.7+    201207 I52  0.2+  0.7-
201206 I52  0.1-  0.2-    201206 Z99  0.7-  0.3+    201207 I52  0.1-  0.5-
201206 I52  0.3-  0.0+    201206 Z99  0.6-  0.5+
201206 T08  0.0-  0.2+    201206 Z99  0.9-  0.6+

Ephemeris:
2020 XA1                 a,e,i = 1.04, 0.04, 0                   q = 0.9930
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 07    03 34 15.2 +05 14 56   0.0081540.9989   164.4    15.5    17.8
...
2020 11 22    05 29 00.1 +21 38 47   0.0087570.9957   157.0    22.8    18.2
...
2020 11 30    06 23 18.8 +27 51 06   0.0093660.9945   152.4    27.3    18.5
...
2020 12 06    06 59 45.7 +31 12 19   0.0098050.9938   150.0    29.7    18.6
2020 12 07    07 05 21.2 +31 40 15   0.0098720.9937   149.8    30.0    18.7
2020 12 08    07 10 47.2 +32 06 47   0.0099380.9936   149.5    30.2    18.7
...
2020 12 14    07 39 49.2 +34 19 20   0.01030 0.9932   148.8    30.9    18.8
...
2020 12 22    08 10 14.5 +36 13 56   0.01074 0.9929   149.4    30.2    18.8
...
2021 01 06    08 50 08.6 +37 22 10   0.01124 0.9934   153.4    26.3    18.8

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X45




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