[Iaude] MPEC Q170: 2020 QS4 [a=1.43,e=0.15,i=22.5,H=23.7]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun Aug 23 18:31:34 EDT 2020


M.P.E.C. 2020-Q170                              Issued 2020 August 23, 22:30 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 QS4                                    


Observations:
     K20Q04S  C2020 08 19.45495521 00 19.610-00 52 32.99         22.18GVEQ170F52
     K20Q04S  C2020 08 19.48482421 00 20.490-00 55 44.97         21.26GVEQ170F52
     K20Q04S  C2020 08 19.49709621 00 20.804-00 57 04.80         21.25GVEQ170F52
     K20Q04S* C2020 08 21.33146521 01 45.693-04 14 45.36         21.40wUEQ170F51
     K20Q04S  C2020 08 21.34500721 01 46.125-04 16 13.54         21.60wUEQ170F51
     K20Q04S  C2020 08 21.35857421 01 46.532-04 17 40.63         21.24wUEQ170F51
     K20Q04S  C2020 08 21.37216121 01 46.974-04 19 08.59         21.52wUEQ170F51
     K20Q04S  C2020 08 22.40119221 02 35.902-06 09 57.93         21.51GVEQ170F52
     K20Q04S  C2020 08 22.41353821 02 36.306-06 11 17.37         21.78GVEQ170F52
     K20Q04S  C2020 08 22.42593521 02 36.740-06 12 37.47         21.54GVEQ170F52
     K20Q04S  C2020 08 23.39182921 03 25.870-07 56 06.07         21.49GVEQ170F52
     K20Q04S  C2020 08 23.40183821 03 26.235-07 57 10.21         21.35GVEQ170F52
     K20Q04S  C2020 08 23.41198821 03 26.579-07 58 15.47         21.81GVEQ170F52
     K20Q04S  C2020 08 23.42230021 03 26.956-07 59 21.50         21.32GVEQ170F52
     K20Q04S  C2020 08 23.44154621 03 27.625-08 01 24.46         21.69wUEQ170F51
     K20Q04S  C2020 08 23.45572121 03 28.149-08 02 55.25         21.56wUEQ170F51
     K20Q04S  C2020 08 23.47028621 03 28.687-08 04 28.09         21.52wUEQ170F51
     K20Q04S  C2020 08 23.86958 21 03 51.30 -08 47 15.1          21.7 VVEQ170033
     K20Q04S  C2020 08 23.87201 21 03 51.42 -08 47 30.7          21.6 VVEQ170033
     K20Q04S  C2020 08 23.87444 21 03 51.55 -08 47 46.8          22.3 VVEQ170033
     K20Q04S  C2020 08 23.87687 21 03 51.61 -08 48 01.7          22.2 VVEQ170033

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, F.
    Ludwig, B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, 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.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A.
    Schultz, M. Willman.  Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
    Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.

Orbital elements:
2020 QS4                                                 Earth MOID = 0.2084 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
M 322.26597              (2000.0)            P               Q
n   0.57445782     Peri.  161.30675     +0.69165576     +0.69882793
a   1.4331686      Node   151.53938     -0.70179024     +0.70994753
e   0.1542097      Incl.   22.49756     -0.17059534     -0.08725840
P   1.72           H   23.7           G   0.15           U   7
Residuals in seconds of arc
200819 F52  0.1-  0.1-    200822 F52  0.0   0.2-    200823 F51  0.1-  0.1+
200819 F52  0.4+  0.4+    200822 F52  0.0   0.0     200823 F51  0.0   0.1-
200819 F52  0.3-  0.3-    200822 F52  0.3+  0.3-    200823 F51  0.0   0.0
200821 F51  0.0   0.0     200823 F52  0.0   0.4+    200823 033  0.3-  0.1+
200821 F51  0.0   0.5-    200823 F52  0.2+  0.3+    200823 033  0.0   0.0
200821 F51  0.2-  0.3+    200823 F52  0.0   0.0     200823 033  0.4+  0.6-
200821 F51  0.2+  0.3+    200823 F52  0.2+  0.0     200823 033  0.2-  0.1+

Ephemeris:
2020 QS4                 a,e,i = 1.43, 0.15, 22                  q = 1.2122
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 07 24    20 47 45.7 +32 38 40   0.2927  1.2143   126.9    42.0    23.1
...
2020 08 08    20 53 51.1 +17 44 50   0.2314  1.2123   145.8    28.0    22.2
...
2020 08 16    20 58 03.2 +05 13 13   0.2144  1.2141   158.0    18.2    21.7
...
2020 08 22    21 02 16.5 -05 26 25   0.2128  1.2168   163.3    13.8    21.6
2020 08 23    21 03 05.9 -07 13 48   0.2135  1.2173   163.3    13.8    21.6
2020 08 24    21 03 57.6 -09 00 26   0.2146  1.2179   163.1    14.0    21.6
...
2020 08 30    21 09 58.6 -19 06 16   0.2268  1.2220   157.3    18.6    21.9
...
2020 09 07    21 20 18.1 -30 04 38   0.2569  1.2290   145.9    27.3    22.4
...
2020 09 22    21 46 06.3 -42 08 46   0.3415  1.2468   128.9    38.8    23.4

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-Q170




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