[Iaude] MPEC X44: 2020 XZ [a=2.22,e=0.55,i=0.7,H=26.1]

[mpec at marsden.cfa.harvard.edu]

M.P.E.C. 2020-X44                              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 XZ                                     


Observations:
     K20X00Z*HC2020 12 05.45455505 35 01.41 +26 24 54.8          19.61GVEX044G96
     K20X00Z HC2020 12 05.46029505 35 06.63 +26 24 57.9          19.94GVEX044G96
     K20X00Z HC2020 12 05.47178905 35 17.10 +26 25 04.2          19.57GVEX044G96
     K20X00Z  C2020 12 06.28949705 47 49.91 +26 34 44.0          19.96GVEX044G96
     K20X00Z  C2020 12 06.28967105 47 50.04 +26 34 44.1          20.09GVEX044G96
     K20X00Z  C2020 12 06.28984505 47 50.19 +26 34 44.0          20.12GVEX044G96
     K20X00Z  C2020 12 06.29001905 47 50.33 +26 34 43.9          20.12GVEX044G96
     K20X00Z KC2020 12 07.23109106 00 20.18 +26 39 42.8          20.11GVEX044I52
     K20X00Z KC2020 12 07.23207906 00 20.83 +26 39 43.4          21.00GVEX044I52
     K20X00Z KC2020 12 07.23405506 00 22.20 +26 39 44.2          20.31GVEX044I52

Observer details:
G96 Mt. Lemmon Survey.  Observer T. A. Pruyne.  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.  1.5-m reflector + 10K 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.

Orbital elements:
2020 XZ                                                  Earth MOID = 0.0136 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M   8.86352              (2000.0)            P               Q                  
n   0.29823546     Peri.  349.17061     +0.61358489     -0.78955503             
a   2.2186895      Node    62.97933     +0.72537251     +0.55820182             
e   0.5478736      Incl.    0.69405     +0.31200689     +0.25497763             
P   3.30           H   26.16          G   0.15           U   9                  
Residuals in seconds of arc
201205 G96  0.0-  0.1+    201206 G96  0.1-  0.2+    201207 I52  0.2-  0.1+
201205 G96  0.0+  0.1-    201206 G96  0.1+  0.1-    201207 I52  0.0-  0.0-
201205 G96  0.0+  0.0-    201206 G96  0.1+  0.3-
201206 G96  0.1-  0.2+    201207 I52  0.2+  0.1-

Ephemeris:
2020 XZ                  a,e,i = 2.22, 0.55, 1                   q = 1.0031
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 07    21 53 36.7 -16 01 12   0.09114 1.0113   100.3    74.6    23.6
...
2020 11 22    23 46 24.7 -03 10 52   0.03810 1.0048   115.8    62.3    21.3
...
2020 11 30    03 25 28.6 +20 40 43   0.03067 1.0160   166.2    13.4    19.4
...
2020 12 06    05 43 34.0 +26 32 24   0.04652 1.0307   167.3    12.1    20.3
2020 12 07    05 57 18.7 +26 39 26   0.05009 1.0337   165.3    14.0    20.5
2020 12 08    06 09 09.2 +26 41 23   0.05380 1.0368   163.7    15.5    20.7
...
2020 12 14    06 53 44.5 +26 13 16   0.07824 1.0582   159.8    18.7    21.7
...
2020 12 22    07 18 38.5 +25 28 59   0.1147  1.0935   162.3    15.9    22.5
...
2021 01 06    07 32 14.6 +24 41 28   0.1942  1.1766   174.0     5.0    23.4

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X44