[Iaude] MPEC X39: 2020 XU [a=1.11,e=0.21,i=24.8,H=23.0]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Dec 7 03:47:03 EST 2020


M.P.E.C. 2020-X39                              Issued 2020 December 7, 08:45 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 XU                                     


Observations:
     K20X00U* C2020 12 05.43495905 29 44.83 +14 50 33.8          19.74GVEX039G96
     K20X00U  C2020 12 05.44007205 29 43.27 +14 51 12.4          19.67GVEX039G96
     K20X00U  C2020 12 05.44519405 29 41.76 +14 51 49.7          19.69GVEX039G96
     K20X00U  C2020 12 05.45031405 29 40.24 +14 52 27.7          19.82GVEX039G96
     K20X00U mC2020 12 05.50166005 29 25.03 +14 58 47.7                VEX039I52
     K20X00U mC2020 12 05.50208105 29 24.90 +14 58 51.6          19.55GVEX039I52
     K20X00U mC2020 12 05.50250205 29 24.79 +14 58 55.1          20.54GVEX039I52
     K20X00U mC2020 12 05.50292305 29 24.67 +14 58 58.3                VEX039I52
     K20X00U KC2020 12 06.17360305 26 12.80 +16 24 20.1          19.7 VuEX039H21
     K20X00U KC2020 12 06.17680205 26 11.79 +16 24 45.2          19.6 VuEX039H21
     K20X00U mC2020 12 06.18968405 26 08.84 +16 26 27.5                VEX039I52
     K20X00U mC2020 12 06.19010305 26 08.71 +16 26 32.1          19.51GVEX039I52
     K20X00U mC2020 12 06.19052305 26 08.60 +16 26 35.8          19.81GVEX039I52
     K20X00U KC2020 12 06.19086 05 26 08.26 +16 26 31.5          19.2 GVEX039V01
     K20X00U mC2020 12 06.19094205 26 08.45 +16 26 38.7          19.69GVEX039I52
     K20X00U KC2020 12 06.19182 05 26 06.73 +16 26 47.1          19.8 GVEX039W34
     K20X00U KC2020 12 06.20322 05 26 03.14 +16 28 16.1          19.4 GVEX039W34
     K20X00U KC2020 12 06.21459 05 25 59.45 +16 29 44.2          19.2 GVEX039W34
     K20X00U KC2020 12 06.22227 05 25 58.35 +16 30 38.1          19.3 GVEX039V01
     K20X00U KC2020 12 06.25954 05 25 46.48 +16 35 30.3          19.1 GVEX039V01
     K20X00U  C2020 12 06.45099005 24 46.59 +17 00 58.5          19.36oVEX039T08
     K20X00U  C2020 12 06.45436805 24 45.49 +17 01 24.6          19.11oVEX039T08
     K20X00U  C2020 12 06.46059205 24 43.41 +17 02 13.6          19.46oVEX039T08
     K20X00U  C2020 12 06.49328005 24 32.55 +17 06 32.2          19.33oVEX039T08
     K20X00U KC2020 12 06.90125005 22 27.00 +18 00 39.2          18.8 GVEX039B49
     K20X00U KC2020 12 06.90217005 22 26.68 +18 00 46.4          19.3 GVEX039B49
     K20X00U KC2020 12 06.91303205 22 23.03 +18 02 14.4          19.6 GVEX039B49
     K20X00U KC2020 12 06.91596105 22 22.10 +18 02 38.3          19.3 GVEX039B49
     K20X00U HC2020 12 07.16804005 21 01.52 +18 37 02.0          20.23GVEX039I52
     K20X00U HC2020 12 07.16825105 21 01.46 +18 37 02.5          19.55GVEX039I52
     K20X00U HC2020 12 07.16863005 21 01.21 +18 37 06.5          19.63GVEX039I52

Observer details:
B49 Paus Observatory, Sabadell.  Observer J. Camarasa.  0.30-m f/4 reflector +
    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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.76-m f/3.0
    astrograph + 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.
T08 ATLAS-MLO, Mauna Loa.  Observers L. Denneau, J. Tonry, A. Heinze, H.
    Weiland.  Measurers L. Denneau, J. Tonry, A. Heinze, H. Weiland, H.
    Flewelling, A. Fitzsimmons, J. Robinson, N. Erasmus.  0.5-m reflector +
    CCD.
V01 Mountainville Observatory, Alpine.  Observer B. Sheets.  0.36-m reflector
    + CCD.
W34 Squirrel Valley Observatory, Columbus.  Observer R. L. Flynn.  0.36-m
    Schmidt-Cassegrain + CCD.

Orbital elements:
2020 XU                                                  Earth MOID = 0.0176 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M 283.76610              (2000.0)            P               Q                  
n   0.84392523     Peri.  107.10238     -0.91134044     +0.04968245             
a   1.1090047      Node    77.26034     -0.24686555     -0.86034095             
e   0.2113829      Incl.   24.76884     +0.32941766     -0.50729192             
P   1.17           H   23.00          G   0.15           U   9                  
Residuals in seconds of arc
201205 G96  0.2+  0.2-    201206 I52  0.1-  0.2-    201206 T08  0.1-  0.2-
201205 G96  0.3-  0.5+    201206 I52  0.2+  0.2+    201206 T08  0.0-  0.1+
201205 G96  0.0-  0.1-    201206 V01  0.1-  0.4+    201206 B49  0.1-  0.2+
201205 G96  0.1+  0.1-    201206 I52  0.1-  0.1-    201206 B49  0.2-  0.1-
201205 I52  0.1+  1.0-    201206 W34  0.7-  0.2+    201206 B49  0.3-  0.7-
201205 I52  0.0-  0.2-    201206 W34  0.3+  0.1+    201206 B49  0.5+  0.7-
201205 I52  0.2+  0.2+    201206 W34  0.1-  0.8-    201207 I52  0.6+  0.8+
201205 I52  0.2+  0.3+    201206 V01  0.1-  0.3+    201207 I52  0.7+  0.5-
201206 H21  0.0-  0.0+    201206 V01  0.1+  0.3-    201207 I52  1.0-  0.4+
201206 H21  0.1+  0.1+    201206 T08  0.2-  0.7+
201206 I52  0.1-  1.5-    201206 T08  0.1+  0.1+

Ephemeris:
2020 XU                  a,e,i = 1.11, 0.21, 25                  q = 0.8746
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 07    06 15 37.2 -10 18 11   0.3672  1.2277   122.4    42.9    22.9
...
2020 11 22    06 07 06.5 -03 17 43   0.2458  1.1845   139.2    33.1    21.7
...
2020 11 30    05 50 15.9 +05 21 42   0.1898  1.1594   153.7    22.2    20.8
...
2020 12 06    05 27 03.3 +16 02 12   0.1568  1.1397   169.3     9.3    19.9
2020 12 07    05 21 53.6 +18 14 20   0.1524  1.1364   172.4     6.6    19.7
2020 12 08    05 16 16.4 +20 33 34   0.1484  1.1330   175.5     3.9    19.5
...
2020 12 14    04 30 33.3 +36 15 33   0.1338  1.1126   162.3    15.6    19.7
...
2020 12 22    02 47 39.7 +54 53 43   0.1421  1.0847   132.5    42.0    20.6
...
2021 01 06    23 11 02.6 +62 27 08   0.2092  1.0319    97.6    70.8    22.2

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X39




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