[Iaude] MPEC Y33: 2020 XB7 [a=2.18,e=0.56,i=6.1,H=24.2]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Dec 18 03:18:28 EST 2020


M.P.E.C. 2020-Y33                             Issued 2020 December 18, 08:17 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 XB7                                    


Observations:
     K20X07B* C2020 12 15.31715502 43 05.256-14 34 44.98         22.35wUEY033F51
     K20X07B  C2020 12 15.32920702 43 04.038-14 34 54.31         22.65wUEY033F51
     K20X07B  C2020 12 15.35355302 43 01.574-14 35 12.87         22.58wUEY033F51
     K20X07B |C2020 12 16.10754 02 42 00.75 -14 44 07.2          22.2 GVEY033807
     K20X07B |C2020 12 16.12264 02 41 59.23 -14 44 18.1          22.4 GVEY033807
     K20X07B |C2020 12 16.13729 02 41 57.79 -14 44 28.9          22.2 GVEY033807
     K20X07B |C2020 12 17.07742 02 40 42.79 -14 56 14.2          22.6 GVEY033807
     K20X07B |C2020 12 17.08656 02 40 41.87 -14 56 20.9          22.3 GVEY033807
     K20X07B |C2020 12 17.09529 02 40 40.98 -14 56 27.2          22.6 GVEY033807
     K20X07B KC2020 12 17.23002 02 40 29.63 -14 58 58.3          21.8 RoEY033291
     K20X07B KC2020 12 17.26751 02 40 25.98 -14 59 25.6          21.9 RoEY033291
     K20X07B KC2020 12 18.07206002 39 23.21 -15 09 20.5          22.0 VuEY033H21
     K20X07B KC2020 12 18.08442902 39 22.01 -15 09 29.5          22.3 VuEY033H21

Observer details:
291 LPL/Spacewatch II.  Observer A. F. Tubbiolo.  1.8-m f/2.7 reflector + CCD.
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
    1.00-m f/10.0 astrograph + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, M.
    Willman.  Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
    Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
    R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  1.3-m f/4.0
    astrograph + CCD.

Orbital elements:
2020 XB7                                                 Earth MOID = 0.0185 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M 348.33435              (2000.0)            P               Q                  
n   0.30536487     Peri.    0.52238     -0.56740887     -0.81870069             
a   2.1840203      Node   124.05034     +0.75510144     -0.56004342             
e   0.5578003      Incl.    6.10967     +0.32843416     -0.12680911             
P   3.23           H   24.29          G   0.15           U   8                  
Residuals in seconds of arc
201215 F51  0.0+  0.1+    201216 807  0.0-  0.1+    201217 291  0.2+  0.7-
201215 F51  0.0+  0.0+    201216 807  0.1+  0.1+    201218 H21  0.1-  0.2+
201215 F51  0.0+  0.0+    201217 807  0.0+  0.1-    201218 H21  0.1-  0.2+
201215 F51  0.1-  0.0-    201217 807  0.0+  0.1-    201218 H21  0.2+  0.4+
201215 F51  0.1-  0.0-    201217 807  0.2-  0.0+
201216 807  0.3+  0.1-    201217 291  0.5-  0.1-

Ephemeris:
2020 XB7                 a,e,i = 2.18, 0.56, 6                   q = 0.9658
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 18    03 17 12.7 -06 54 24   0.3130  1.2764   153.6    20.2    23.3
...
2020 12 03    02 59 34.7 -11 31 07   0.2319  1.1699   138.7    33.8    22.9
...
2020 12 11    02 48 55.0 -13 35 45   0.1951  1.1184   129.3    43.0    22.6
...
2020 12 17    02 40 49.3 -14 55 30   0.1689  1.0831   122.0    50.4    22.5
2020 12 18    02 39 28.4 -15 07 45   0.1646  1.0775   120.8    51.7    22.4
2020 12 19    02 38 07.4 -15 19 45   0.1603  1.0721   119.5    53.0    22.4
...
2020 12 25    02 29 50.4 -16 28 40   0.1344  1.0416   112.1    61.0    22.2
...
2021 01 02    02 16 31.7 -18 08 16   0.09922 1.0079   101.6    72.9    21.8
...
2021 01 17    00 41 46.4 -26 57 37   0.03272 0.9703    64.9   113.3    21.2

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-Y33




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