[Iaude] MPEC X131: 2020 XW3 [a=1.02,e=0.08,i=7.5,H=25.6]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat Dec 12 09:13:19 EST 2020


M.P.E.C. 2020-X131                            Issued 2020 December 12, 14:11 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 XW3                                    


Observations:
     K20X03W* C2020 12 09.43344 06 39 55.45 +29 24 46.8          20.4 GVEX131V00
     K20X03W  C2020 12 09.43886 06 39 53.69 +29 25 22.3                VEX131V00
     K20X03W  C2020 12 09.44425 06 39 51.94 +29 25 57.5          20.7 GVEX131V00
     K20X03W  C2020 12 09.44966 06 39 50.19 +29 26 33.2          20.7 GVEX131V00
     K20X03W KC2020 12 09.52786206 39 25.57 +29 34 56.4          20.92GVEX131I52
     K20X03W KC2020 12 09.52996206 39 24.93 +29 35 10.3          20.56GVEX131I52
     K20X03W KC2020 12 09.53206206 39 24.30 +29 35 23.4          20.76GVEX131I52
     K20X03W hC2020 12 10.02140106 37 15.59 +30 29 27.5          20.8 GVEX131L01
     K20X03W KC2020 12 10.02380606 37 14.77 +30 29 42.9          20.9 GVEX131L01
     K20X03W hC2020 12 10.02555906 37 14.21 +30 29 54.0          20.8 GVEX131L01
     K20X03W KC2020 12 10.21924806 36 23.93 +30 51 10.9          20.9 VuEX131H21
     K20X03W KC2020 12 10.22536706 36 21.97 +30 51 51.0          20.9 VuEX131H21
     K20X03W KC2020 12 12.28404 06 26 27.66 +34 27 38.7          20.5 RoEX131291
     K20X03W KC2020 12 12.28765 06 26 26.40 +34 28 00.8          20.5 RoEX131291
     K20X03W KC2020 12 12.28899806 26 25.85 +34 28 08.1          20.15GVEX131I52
     K20X03W KC2020 12 12.29125 06 26 25.16 +34 28 23.2          20.2 RoEX131291
     K20X03W KC2020 12 12.30803206 26 19.19 +34 30 04.1                VEX131I52

Observer details:
291 LPL/Spacewatch II.  Observer M. T. Read.  1.8-m f/2.7 reflector + 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.  Observers D. Rankin, 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.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 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.

Orbital elements:
2020 XW3                                                 Earth MOID = 0.0203 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
M 109.40584              (2000.0)            P               Q                  
n   0.95160991     Peri.  252.00805     +0.83849115     +0.52996031             
a   1.0236781      Node    75.81526     -0.43727743     +0.79322989             
e   0.0809511      Incl.    7.51427     -0.32514771     +0.29988065             
P   1.04           H   25.66          G   0.15           U   6                  
Residuals in seconds of arc
201209 V00  0.1+  0.0+    201209 I52  0.0-  0.0-    201212 291  0.1+  0.3+
201209 V00  0.1+  0.0-    201210 L01  0.4+  0.5+    201212 291  0.1-  0.1+
201209 V00  0.0-  0.2-    201210 L01  0.1-  0.1+    201212 I52  0.4+  0.1+
201209 V00  0.1-  0.2+    201210 L01  0.0+  0.3-    201212 291  0.0-  0.3+
201209 I52  0.1-  0.2-    201210 H21  0.4-  0.2+    201212 I52  0.3-  0.7-
201209 I52  0.1-  0.3+    201210 H21  0.0-  0.6-

Ephemeris:
2020 XW3                 a,e,i = 1.02, 0.08, 8                   q = 0.9408
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 12    07 50 31.6 -18 17 00   0.08185 1.0102   102.1    73.4    22.8
...
2020 11 27    07 24 48.3 +04 34 28   0.06621 1.0309   130.4    46.8    21.6
...
2020 12 05    06 58 49.0 +20 42 37   0.06479 1.0416   149.2    29.0    21.1
...
2020 12 11    06 32 38.5 +32 15 17   0.06859 1.0494   160.1    18.7    20.9
2020 12 12    06 27 48.0 +33 58 55   0.06965 1.0507   161.1    17.7    20.9
2020 12 13    06 22 51.2 +35 38 07   0.07082 1.0520   161.7    17.0    20.9
...
2020 12 19    05 52 06.2 +43 50 52   0.08012 1.0593   159.5    18.9    21.3
...
2020 12 27    05 14 12.9 +50 27 34   0.09736 1.0686   149.7    27.7    22.0
...
2021 01 11    04 33 54.4 +54 42 51   0.1385  1.0837   133.6    41.1    23.2

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X131




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