[Iaude] MPEC X98: 2020 WA6 [a=2.22,e=0.45,i=21.6,H=20.0]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu Dec 10 14:18:19 EST 2020


M.P.E.C. 2020-X98                             Issued 2020 December 10, 19:17 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 WA6                                    


Observations:
     K20W06A  C2018 06 15.38350 16 49 34.924-12 11 34.97         22.0 wUEX098F51
     K20W06A  C2018 06 15.39529 16 49 33.901-12 11 44.58         21.9 wUEX098F51
     K20W06A  C2018 06 15.40708 16 49 32.880-12 11 53.85         21.9 wUEX098F51
     K20W06A* C2020 11 17.38812704 27 16.00 -04 18 56.2          21.66GVEX098G96
     K20W06A  C2020 11 17.39327704 27 15.55 -04 18 54.6          21.95GVEX098G96
     K20W06A  C2020 11 17.39842304 27 15.18 -04 18 54.4          21.36GVEX098G96
     K20W06A  C2020 12 07.32279503 54 58.611-01 10 35.18         21.51wUEX098F52
     K20W06A  C2020 12 07.33370403 54 57.412-01 10 25.46         21.70wUEX098F52
     K20W06A  C2020 12 07.34465703 54 56.203-01 10 15.31         21.12wUEX098F52
     K20W06A KC2020 12 09.17956603 51 42.44 -00 41 07.5          21.16GVEX098I52
     K20W06A KC2020 12 09.18376303 51 41.98 -00 41 03.0          21.21GVEX098I52
     K20W06A |C2020 12 09.18439 03 51 41.44 -00 40 50.5          21.5 VuEX098807
     K20W06A KC2020 12 09.18796103 51 41.51 -00 40 58.9          21.01GVEX098I52
     K20W06A |C2020 12 09.19070 03 51 40.76 -00 40 43.9          21.4 VuEX098807
     K20W06A KC2020 12 09.19216003 51 41.08 -00 40 54.7          20.87GVEX098I52
     K20W06A |C2020 12 09.19673 03 51 40.12 -00 40 37.9          21.5 VuEX098807
     K20W06A  C2020 12 10.33143603 49 41.324-00 21 45.67         21.25wUEX098F51
     K20W06A  C2020 12 10.34210503 49 40.129-00 21 34.62         21.80wUEX098F51
     K20W06A  C2020 12 10.34340603 49 40.004-00 21 33.33         21.77wUEX098F51
     K20W06A  C2020 12 10.35409703 49 38.830-00 21 22.56         21.84wUEX098F51
     K20W06A  C2020 12 10.35538003 49 38.686-00 21 21.11         21.58wUEX098F51
     K20W06A  C2020 12 10.36608703 49 37.526-00 21 10.04         21.55wUEX098F51
     K20W06A  C2020 12 10.36738003 49 37.362-00 21 08.70         21.44wUEX098F51

Observer details:
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
    0.61-m f/6.5 astrograph + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, M.
    Willman.  Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling, M.
    Huber, E. Magnier, Y. Ramanjooloo, R. Wainscoat, C. Waters, R. Weryk, T.
    de Boer, J. Fairlamb, C.-C. Lin.  1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Dukes, T. Lowe, A.
    Schultz, M. Willman.  Measurers K. Chambers, S. Chastel, T. de Boer, L.
    Denneau, J. Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y.
    Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observer K. W. Wierzchos.  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.  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.

Orbital elements:
2020 WA6                                                 Earth MOID = 0.3437 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M 327.27846              (2000.0)            P               Q
n   0.29768348     Peri.   57.94934     -0.80157427     -0.47096775
a   2.2214313      Node    91.50064     +0.34355546     -0.86700240
e   0.4529109      Incl.   21.62054     +0.48933459     -0.16277660
P   3.31           H   20.0           G   0.15           U   4
Residuals in seconds of arc
180615 F51  0.0   0.1-    201207 F52  0.0   0.0     201210 F51  0.2+  0.0
180615 F51  0.0   0.1-    201209 I52  0.0   0.5-    201210 F51  0.2-  0.1+
180615 F51  0.0   0.2+    201209 I52  0.0   0.1-    201210 F51  0.1+  0.1+
201117 G96  0.1-  0.0     201209 807  0.2-  0.5-    201210 F51  0.0   0.1-
201117 G96  0.4-  0.4+    201209 I52  0.2-  0.1-    201210 F51  0.1-  0.0
201117 G96  0.5+  0.6-    201209 807  0.0   0.1-    201210 F51  0.1+  0.1+
201207 F52  0.1-  0.2+    201209 I52  0.2+  0.1-    201210 F51  0.2-  0.1+
201207 F52  0.0   0.1-    201209 807  0.3+  0.0

Ephemeris:
2020 WA6                 a,e,i = 2.22, 0.45, 22                  q = 1.2153
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 10    04 35 59.8 -04 35 47   0.9240  1.8406   148.1    16.5    22.0
...
2020 11 25    04 16 03.1 -03 33 55   0.8060  1.7527   155.5    13.5    21.5
...
2020 12 03    04 02 34.9 -02 11 14   0.7634  1.7059   154.3    14.5    21.4
...
2020 12 09    03 52 01.2 -00 43 58   0.7410  1.6709   150.7    16.8    21.4
2020 12 10    03 50 15.9 -00 27 21   0.7381  1.6651   149.9    17.2    21.4
2020 12 11    03 48 31.3 -00 10 08   0.7354  1.6593   149.1    17.7    21.4
...
2020 12 17    03 38 25.0 +01 44 37   0.7237  1.6246   143.6    21.0    21.4
...
2020 12 25    03 26 37.1 +04 44 30   0.7194  1.5789   135.4    25.9    21.5
...
2021 01 09    03 12 36.5 +11 16 05   0.7385  1.4959   120.0    34.7    21.7

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X98




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