[Iaude] MPEC X68: 2020 XT1 [a=1.44,e=0.22,i=28.8,H=24.9]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Tue Dec 8 02:29:20 EST 2020


M.P.E.C. 2020-X68                              Issued 2020 December 8, 07:27 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 XT1                                    


Observations:
     K20X01T* C2020 12 06.37478 04 32 37.60 +23 14 49.9          21.7 GVEX068V00
     K20X01T  C2020 12 06.37969 04 32 36.12 +23 15 36.6          21.7 GVEX068V00
     K20X01T  C2020 12 06.38456 04 32 34.66 +23 16 21.8          22.0 GVEX068V00
     K20X01T  C2020 12 06.38954 04 32 33.15 +23 17 09.0          21.9 GVEX068V00
     K20X01T KC2020 12 06.46266 04 32 11.29 +23 28 38.7                oEX068291
     K20X01T KC2020 12 06.48135 04 32 05.87 +23 31 35.0                oEX068291
     K20X01T KC2020 12 07.12377704 29 07.02 +25 12 09.6          21.37GVEX068V06
     K20X01T KC2020 12 07.13026204 29 05.08 +25 13 10.8          21.08GVEX068V06
     K20X01T KC2020 12 07.13674804 29 03.16 +25 14 11.3          21.02GVEX068V06
     K20X01T KC2020 12 07.14323504 29 01.27 +25 15 10.4                VEX068V06
     K20X01T KC2020 12 07.38201 04 27 48.14 +25 52 02.3          22.0 RoEX068291
     K20X01T KC2020 12 07.38921 04 27 45.96 +25 53 07.9          22.1 RoEX068291
     K20X01T KC2020 12 07.39648 04 27 43.76 +25 54 14.6          22.1 RoEX068291
     K20X01T KC2020 12 08.22641504 23 46.99 +27 59 24.6          21.23GVEX068V06
     K20X01T KC2020 12 08.24112204 23 42.44 +28 01 35.7          21.64GVEX068V06

Observer details:
291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
V00 Kitt Peak-Bok.  Observer H. Groeller.  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.  2.25-m reflector + CCD.
V06 Catalina Sky Survey-Kuiper.  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.  1.55-m reflector +
    1K CCD.

Orbital elements:
2020 XT1                                                 Earth MOID = 0.1665 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell
M  27.05266              (2000.0)            P               Q
n   0.57221278     Peri.  327.58823     +0.69103023     -0.55571260
a   1.4369148      Node    73.41019     +0.72214704     +0.50306129
e   0.2178592      Incl.   28.83648     +0.03131886     +0.66190093
P   1.72           H   24.9           G   0.15           U   8
Residuals in seconds of arc
201206 V00  0.3-  0.1+    201206 291  1.0+  0.8+    201207 291  0.4-  0.1+
201206 V00  0.2-  0.4+    201207 V06  0.1-  0.4-    201207 291  0.3-  0.0
201206 V00  0.0   0.5-    201207 V06  0.1-  0.0     201207 291  0.1-  0.4+
201206 V00  0.1-  0.4-    201207 V06  0.2+  0.4-    201208 V06  0.2+  0.1+
201206 291  0.1-  0.0     201207 V06 (1.0+  2.0-)   201208 V06  0.1+  0.0

Ephemeris:
2020 XT1                 a,e,i = 1.44, 0.22, 29                  q = 1.1239
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 08    06 02 21.5 -33 08 08   0.2735  1.1256   112.9    54.2    24.3
...
2020 11 23    05 28 01.9 -12 04 21   0.1868  1.1375   140.3    33.7    22.9
...
2020 12 01    04 57 15.9 +08 18 29   0.1671  1.1482   164.9    12.9    22.1
...
2020 12 07    04 29 40.2 +24 53 05   0.1737  1.1580   173.8     5.3    21.9
2020 12 08    04 24 51.8 +27 25 39   0.1766  1.1598   170.9     7.8    22.0
2020 12 09    04 20 01.9 +29 52 03   0.1800  1.1616   167.9    10.2    22.2
...
2020 12 15    03 51 28.5 +42 01 58   0.2092  1.1733   152.2    23.1    22.9
...
2020 12 23    03 18 45.7 +52 10 47   0.2640  1.1909   137.2    34.1    23.8
...
2021 01 07    02 46 53.1 +60 52 28   0.3886  1.2291   120.9    43.3    25.0

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X68




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