[Iaude] MPEC X167: 2020 XG5 [a=1.28,e=0.25,i=4.3,H=27.0]

Mon Dec 14 08:15:57 EST 2020

M.P.E.C. 2020-X167                            Issued 2020 December 14, 13:14 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 XG5                                    


Observations:
     K20X05G* C2020 12 12.48690707 23 45.972+37 21 19.65         20.46wUEX167F51
     K20X05G  C2020 12 12.49828407 23 45.411+37 22 17.10         20.92wUEX167F51
     K20X05G  C2020 12 12.50969407 23 44.815+37 23 13.69         21.07wUEX167F51
     K20X05G  C2020 12 12.52114707 23 44.259+37 24 08.87         20.32wUEX167F51
     K20X05G 4C2020 12 12.96966 07 24 45.16 +37 57 02.9          20.5 GVEX167J04
     K20X05G 4C2020 12 12.97293 07 24 45.20 +37 57 20.0          20.4 GVEX167J04
     K20X05G 4C2020 12 12.97620 07 24 45.23 +37 57 37.3          20.6 GVEX167J04
     K20X05G KC2020 12 13.02566907 24 33.97 +38 00 55.0          20.3 GVEX167L01
     K20X05G KC2020 12 13.03039307 24 33.85 +38 01 16.4          20.4 GVEX167L01
     K20X05G KC2020 12 13.03354407 24 33.76 +38 01 30.1          20.2 GVEX167L01
     K20X05G KC2020 12 13.03514207 24 33.78 +38 01 37.9          20.7 GVEX167L01
     K20X05G KC2020 12 13.03756807 24 33.72 +38 01 48.1          20.6 GVEX167L01
     K20X05G 2C2020 12 14.05071607 26 01.029+39 10 17.77         20.8 GVEX167J04
     K20X05G 2C2020 12 14.05460307 26 00.871+39 10 33.68         20.2 GVEX167J04
     K20X05G 2C2020 12 14.05849007 26 00.683+39 10 49.59         20.9 GVEX167J04
     K20X05G KC2020 12 14.06504 07 25 52.02 +39 10 05.5                VEX167204
     K20X05G KC2020 12 14.08575 07 25 51.42 +39 11 18.5          20.7 GVEX167204
     K20X05G KC2020 12 14.25549907 26 19.60 +39 21 39.7          21.58GVEX167I52
     K20X05G KC2020 12 14.25718007 26 19.63 +39 21 45.0                VEX167I52
     K20X05G KC2020 12 14.25886007 26 19.57 +39 21 53.2          20.08GVEX167I52
     K20X05G KC2020 12 14.26054007 26 19.55 +39 22 00.9          20.80GVEX167I52

Observer details:
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector +
    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.
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.
J04 ESA Optical Ground Station, Tenerife.  Observers D. Abreu, P. Ruiz.
    Measurers A. Knofel, D. Koschny, M. Busch, M. Micheli, E. Schwab, R.
    Kresken, L. Conversi.  1.0-m f/4.4 reflector + CCD.
L01 Visnjan Observatory, Tican.  Observers K. Korlevic, D. Pujagic.  1.0-m
    f/2.9 reflector + CCD.

Orbital elements:
2020 XG5                                                 Earth MOID = 0.0071 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M  26.25086              (2000.0)            P               Q
n   0.67958902     Peri.  327.35028     +0.72960244     -0.67997158
a   1.2812636      Node    75.67225     +0.64248618     +0.64500504
e   0.2454324      Incl.    4.31686     +0.23428996     +0.34872216
P   1.45           H   27.0           G   0.15           U   6
Residuals in seconds of arc
201212 F51  0.0   0.0     201213 L01  0.4+  0.3-    201214 J04  0.0   0.4+
201212 F51  0.0   0.1+    201213 L01  0.1+  0.0     201214 204  0.1-  0.4+
201212 F51  0.2-  0.2+    201213 L01  0.2-  0.3-    201214 204  0.0   0.5+
201212 F51  0.1+  0.2-    201213 L01  0.4+  0.4+    201214 I52  0.4-  0.2+
201212 J04  0.1-  0.0     201213 L01  0.3+  0.2-    201214 I52  0.3+  1.5-
201212 J04  0.0   0.1-    201214 J04  0.1-  0.2-    201214 I52  0.1-  0.2-
201212 J04  0.1-  0.0     201214 J04  0.1+  0.1+    201214 I52  0.1+  0.6+

Ephemeris:
2020 XG5                 a,e,i = 1.28, 0.25, 4                   q = 0.9668
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 14    20 00 57.5 -56 07 06   0.05412 0.9672    64.3   112.8    24.9
...
2020 11 29    23 26 17.7 -75 21 38   0.01309 0.9827    73.3   106.0    21.5
...
2020 12 07    07 04 49.8 +21 35 25   0.01412 0.9974   150.0    29.6    19.0
...
2020 12 13    07 24 29.7 +37 59 35   0.03044 1.0109   149.8    29.3    20.7
2020 12 14    07 25 48.4 +39 06 36   0.03330 1.0134   150.0    29.0    20.9
2020 12 15    07 26 50.3 +40 02 26   0.03618 1.0159   150.3    28.7    21.1
...
2020 12 21    07 29 18.0 +43 18 54   0.05396 1.0319   152.5    26.1    21.9
...
2020 12 29    07 27 52.7 +44 47 34   0.07905 1.0558   155.6    22.6    22.7
...
2021 01 13    07 22 21.6 +44 13 24   0.1324  1.1067   157.1    20.3    23.8

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X167