[Iaude] MPEC X80: 2020 XH2 [a=0.95,e=0.19,i=1.0,H=27.0]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed Dec 9 04:06:48 EST 2020


M.P.E.C. 2020-X80                              Issued 2020 December 9, 09:05 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 XH2                                    


Observations:
     K20X02H* C2020 12 08.35695305 47 00.21 -07 07 35.7          20.03GVEX080G96
     K20X02H  C2020 12 08.36212205 46 54.23 -07 06 36.2          19.88GVEX080G96
     K20X02H  C2020 12 08.36728105 46 48.39 -07 05 38.5          19.91GVEX080G96
     K20X02H  C2020 12 08.37245505 46 42.47 -07 04 39.9          19.83GVEX080G96
     K20X02H KC2020 12 08.43870305 45 28.50 -06 52 15.1                VEX080I52
     K20X02H KC2020 12 08.43926605 45 27.76 -06 52 06.4          19.23GVEX080I52
     K20X02H KC2020 12 08.43984005 45 27.07 -06 51 58.4          20.77GVEX080I52
     K20X02H KC2020 12 08.44040805 45 26.49 -06 51 52.8          19.77GVEX080I52
     K20X02H |C2020 12 09.23594 05 33 45.87 -04 30 48.1          20.2 VuEX080807
     K20X02H |C2020 12 09.23811 05 33 43.85 -04 30 27.9          20.1 VuEX080807
     K20X02H |C2020 12 09.24028 05 33 41.79 -04 30 07.7          20.1 VuEX080807
     K20X02H KC2020 12 09.25509905 33 41.84 -04 33 56.1          19.80GVEX080I52
     K20X02H KC2020 12 09.25608805 33 40.91 -04 33 46.9          19.93GVEX080I52
     K20X02H KC2020 12 09.25707505 33 40.03 -04 33 37.8          19.77GVEX080I52
     K20X02H KC2020 12 09.25806205 33 39.10 -04 33 28.8          19.71GVEX080I52

Observer details:
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
    0.61-m f/6.5 astrograph + CCD.
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.  Observers D. C. Fuls, D. Rankin.
    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 XH2                                                 Earth MOID = 0.0050 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M 105.02640              (2000.0)            P               Q                  
n   1.06112211     Peri.  101.06437     +0.76370115     +0.64546829             
a   0.9519756      Node   218.73634     -0.59921643     +0.70215110             
e   0.1926872      Incl.    1.04901     -0.24020870     +0.30059029             
P   0.93           H   27.02          G   0.15           U   7                  
Residuals in seconds of arc
201208 G96  0.2+  0.2+    201208 I52  0.3+  1.1-    201209 807  0.1-  0.0+
201208 G96 (0.6-  1.0+)   201208 I52  0.6-  0.4+    201209 I52  0.1-  0.0-
201208 G96  0.2+  0.2+    201208 I52  0.0-  0.4-    201209 I52  0.3-  0.1+
201208 G96  0.1-  0.1+    201209 807  0.1-  0.0+    201209 I52  0.3+  0.1+
201208 I52 (2.1+  3.5-)   201209 807  0.3+  0.0-    201209 I52  0.0-  0.1-

Ephemeris:
2020 XH2                 a,e,i = 0.95, 0.19, 1                   q = 0.7685
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 09    15 21 34.7 -19 28 09   0.08539 0.9057     6.4   173.0
...
2020 11 24    14 24 25.0 -26 55 17   0.03275 0.9571    22.6   156.7    29.4
...
2020 12 02    10 16 19.9 -36 39 38   0.01365 0.9837    80.3    98.9    21.2
...
2020 12 08    05 53 19.7 -08 13 20   0.02121 1.0028   146.4    33.0    20.0
2020 12 09    05 37 06.7 -05 10 59   0.02391 1.0059   150.9    28.5    20.2
2020 12 10    05 24 20.5 -02 44 15   0.02676 1.0089   154.1    25.3    20.3
...
2020 12 16    04 43 53.6 +05 18 54   0.04567 1.0267   158.2    20.8    21.4
...
2020 12 24    04 25 43.1 +09 41 23   0.07348 1.0487   151.5    26.6    22.7
...
2021 01 08    04 21 43.2 +13 35 50   0.1312  1.0840   137.7    37.6    24.3

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X80




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