[Iaude] MPEC X120: 2020 XL3 [a=1.98,e=0.80,i=1.6,H=21.2,PHA]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Dec 11 14:06:26 EST 2020


M.P.E.C. 2020-X120                            Issued 2020 December 11, 19:05 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 XL3                                    


Observations:
     K20X03L* C2020 12 09.45008810 23 04.13 +14 35 50.4          19.33GVEX120703
     K20X03L  C2020 12 09.45528310 22 56.32 +14 36 30.1          18.61GVEX120703
     K20X03L  C2020 12 09.46047610 22 48.41 +14 37 11.0          19.01GVEX120703
     K20X03L  C2020 12 09.46566410 22 40.55 +14 37 49.9                VEX120703
     K20X03L KC2020 12 09.52038410 21 17.59 +14 44 52.9          18.43GVEX120I52
     K20X03L KC2020 12 09.52095110 21 16.72 +14 44 57.2          18.59GVEX120I52
     K20X03L KC2020 12 09.52151610 21 15.86 +14 45 01.4          18.58GVEX120I52
     K20X03L KC2020 12 09.54754910 20 36.37 +14 48 20.7          18.76GVEX120I52
     K20X03L KC2020 12 09.54811410 20 35.52 +14 48 25.2          18.43GVEX120I52
     K20X03L KC2020 12 09.54867810 20 34.65 +14 48 29.6          18.46GVEX120I52
     K20X03L  C2020 12 09.82065 10 13 54.06 +15 22 19.8          18.9 GVEX120N88
     K20X03L  C2020 12 09.82098 10 13 53.53 +15 22 22.4          18.7 GVEX120N88
     K20X03L  C2020 12 09.82164 10 13 52.56 +15 22 27.3          18.8 GVEX120N88
     K20X03L  C2020 12 09.82193 10 13 52.10 +15 22 29.5          19.0 GVEX120N88
     K20X03L hC2020 12 09.94956810 10 43.63 +15 38 01.3          19.4 GVEX120L01
     K20X03L hC2020 12 09.95102610 10 41.51 +15 38 11.8          19.0 GVEX120L01
     K20X03L pC2020 12 09.95235110 10 39.51 +15 38 21.1          19.5 GVEX120L01
     K20X03L KC2020 12 10.36251510 00 34.39 +16 27 07.5          19.1 VuEX120H21
     K20X03L KC2020 12 10.36455710 00 31.35 +16 27 21.9          18.9 VuEX120H21
     K20X03L KC2020 12 10.36659910 00 28.32 +16 27 36.1          19.0 VuEX120H21
     K20X03L KC2020 12 10.36877710 00 25.08 +16 27 51.1          19.0 VuEX120H21
     K20X03L KC2020 12 10.37020610 00 22.95 +16 28 01.2          19.0 VuEX120H21
     K20X03L KC2020 12 10.43308 09 58 50.07 +16 35 14.3          18.8 GVEX120H36
     K20X03L KC2020 12 10.43685 09 58 44.45 +16 35 40.4          18.8 GVEX120H36
     K20X03L KC2020 12 10.44057 09 58 38.91 +16 36 05.9          18.8 GVEX120H36
     K20X03L  C2020 12 10.56788809 55 34.69 +16 50 49.1          18.92oVEX120T08
     K20X03L  C2020 12 10.56978609 55 31.87 +16 51 01.3          18.00oVEX120T08
     K20X03L  C2020 12 10.57450309 55 24.91 +16 51 33.3          18.44oVEX120T08
     K20X03L  C2020 12 10.58152509 55 14.45 +16 52 20.9          18.47oVEX120T08
     K20X03L !C2020 12 11.22483309 39 50.53 +18 00 17.6          18.4 GVEX120J04
     K20X03L !C2020 12 11.22499109 39 50.29 +18 00 18.7          18.3 GVEX120J04
     K20X03L !C2020 12 11.22514809 39 50.05 +18 00 19.7          18.4 GVEX120J04
     K20X03L KC2020 12 11.34215209 37 06.87 +18 11 41.9          18.9 VuEX120H21
     K20X03L KC2020 12 11.34419409 37 03.96 +18 11 53.9          18.7 VuEX120H21
     K20X03L KC2020 12 11.34623609 37 01.04 +18 12 06.3          18.6 VuEX120H21

Observer details:
703 Catalina Sky Survey.  Observer 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.  0.68-m Schmidt + 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.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer 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.
J04 ESA Optical Ground Station, Tenerife.  Observer P. Ruiz.  Measurers R.
    Kresken, M. Micheli, D. Koschny, L. Conversi, A. Knofel, M. Busch, E.
    Schwab.  1.0-m f/4.4 reflector + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
N88 Xingming Observatory #3, Nanshan.  Observer X. Gao.  Measurer Q.-Z. Ye.
    0.6-m f/8 Ritchey-Chretien + 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.

Orbital elements:
2020 XL3                                            PHA, Earth MOID = 0.0094 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M  19.00825              (2000.0)            P               Q
n   0.35369254     Peri.   50.06448     +0.88374828     +0.46718105
a   1.9802443      Node   282.06850     -0.43733844     +0.80398005
e   0.7981680      Incl.    1.58416     -0.16650547     +0.36791026
P   2.79           H   21.2           G   0.15           U   8
Residuals in seconds of arc
201209 703  1.0-  0.4+    201209 N88  0.4+  0.1-    201210 H36  0.9-  0.1+
201209 703  0.0   0.2-    201209 N88  0.0   0.1-    201210 T08  0.2+  0.5+
201209 703  0.5-  0.3+    201209 L01  0.4-  0.8+    201210 T08  0.1+  0.1-
201209 703  0.4-  1.0-    201209 L01  0.2+  0.6+    201210 T08  0.5+  0.1+
201209 I52  0.4+  0.1-    201209 L01  0.3-  0.1+    201210 T08  0.3-  0.5+
201209 I52  0.2+  0.1-    201210 H21  0.4+  0.2-    201211 J04  0.1+  0.2-
201209 I52  0.2+  0.3-    201210 H21  0.3+  0.0     201211 J04  0.1-  0.1-
201209 I52  0.2+  0.2-    201210 H21  0.3+  0.1+    201211 J04  0.3-  0.0
201209 I52  0.3+  0.0     201210 H21  0.2+  0.1-    201211 H21  0.1+  0.1-
201209 I52  0.1+  0.1+    201210 H21  0.1+  0.1+    201211 H21  0.1+  0.3-
201209 N88  0.7+  0.2-    201210 H36  0.3-  0.3-    201211 H21  0.1+  0.0
201209 N88  0.1+  0.1-    201210 H36  0.6-  0.0

Ephemeris:
2020 XL3                 a,e,i = 1.98, 0.80, 2                   q = 0.3997
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 11    15 35 24.9 -17 24 15   0.4223  0.5735     7.2   167.5    32.9
...
2020 11 26    14 19 23.7 -10 22 42   0.2024  0.8138    28.0   145.2    24.9
...
2020 12 04    12 29 15.8 +01 39 23   0.1310  0.9400    66.0   106.7    20.6
...
2020 12 10    10 09 26.8 +15 44 48   0.1215  1.0314   109.3    64.3    19.0
2020 12 11    09 45 11.3 +17 37 26   0.1250  1.0463   116.4    57.4    18.9
2020 12 12    09 21 57.3 +19 12 58   0.1298  1.0612   123.2    51.0    18.8
...
2020 12 18    07 35 36.8 +23 45 59   0.1796  1.1485   154.4    21.8    18.8
...
2020 12 26    06 25 47.5 +24 14 25   0.2770  1.2603   178.2     1.4    19.1
...
2021 01 10    05 40 03.7 +23 24 32   0.5025  1.4563   155.8    16.1    21.4

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X120




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