[Iaude] MPEC Q168: 2020 QQ4 [a=1.74,e=0.43,i=2.2,H=28.9]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun Aug 23 18:26:59 EDT 2020


M.P.E.C. 2020-Q168                              Issued 2020 August 23, 22:25 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 QQ4                                    


Observations:
     K20Q04Q* C2020 08 23.38903121 52 31.27 +01 57 39.8          16.49oVEQ168T08
     K20Q04Q  C2020 08 23.39087221 52 57.68 +02 00 30.1          16.54oVEQ168T08
     K20Q04Q  C2020 08 23.39455421 53 49.81 +02 06 05.7          16.60oVEQ168T08
     K20Q04Q  C2020 08 23.40297721 55 47.82 +02 18 45.9          16.68oVEQ168T08
     K20Q04Q  C2020 08 23.43302822 02 34.184+03 01 00.46         16.66GVEQ168F52
     K20Q04Q  C2020 08 23.44540622 05 13.401+03 17 58.53         16.61GVEQ168F52
     K20Q04Q  C2020 08 23.45777022 07 48.472+03 34 26.43         16.69GVEQ168F52
     K20Q04Q  C2020 08 23.46248922 08 44.06 +03 41 33.2          16.80oVEQ168T08
     K20Q04Q  C2020 08 23.48119122 12 31.924+04 04 19.96         16.68GVEQ168F52
     K20Q04Q  C2020 08 23.48986722 14 11.02 +04 15 54.4          16.68oVEQ168T08
     K20Q04Q  C2020 08 23.77465 23 00 46.68 +08 18 27.3          17.9 GVEQ168N88
     K20Q04Q  C2020 08 23.77561 23 00 53.02 +08 19 05.2          17.7 GVEQ168N88
     K20Q04Q  C2020 08 23.77664 23 00 59.74 +08 19 45.6          17.8 GVEQ168N88
     K20Q04Q  C2020 08 23.77772 23 01 06.89 +08 20 28.1          18.0 GVEQ168N88
     K20Q04Q  C2020 08 23.77866 23 01 12.99 +08 21 06.0          17.6 GVEQ168N88
     K20Q04Q  C2020 08 23.81201 23 06 18.99 +08 36 24.1          19.5 VVEQ168033
     K20Q04Q  C2020 08 23.81259 23 06 22.74 +08 36 46.1          19.0 VVEQ168033
     K20Q04Q  C2020 08 23.81288 23 06 24.63 +08 36 57.0          18.5 VVEQ168033
     K20Q04Q KC2020 08 23.85017823 10 28.74 +09 02 34.7          17.7 GVEQ168104
     K20Q04Q KC2020 08 23.85159723 10 37.14 +09 03 25.1          17.7 GVEQ168104
     K20Q04Q KC2020 08 23.85230623 10 41.39 +09 03 49.6          17.6 GVEQ168104
     K20Q04Q KC2020 08 23.85514323 10 58.12 +09 05 28.8          17.5 GVEQ168104
     K20Q04Q KC2020 08 23.85691223 10 56.13 +09 03 43.4          17.8 GVEQ168G34
     K20Q04Q KC2020 08 23.85796923 11 02.33 +09 04 21.2          17.3 GVEQ168G34
     K20Q04Q KC2020 08 23.86008323 11 14.83 +09 05 34.1          16.8 GVEQ168G34
     K20Q04Q KC2020 08 23.86152223 11 35.52 +09 09 09.4          17.9 GVEQ168104
     K20Q04Q KC2020 08 23.86691423 12 06.26 +09 11 19.9                VEQ168204
     K20Q04Q KC2020 08 23.86968623 12 22.22 +09 12 54.0                VEQ168204
     K20Q04Q KC2020 08 23.87245823 12 38.06 +09 14 27.9                VEQ168204
     K20Q04Q KC2020 08 23.87526923 12 54.04 +09 16 02.2                VEQ168204
     K20Q04Q KC2020 08 23.87798323 13 09.41 +09 17 33.1          18.2 GVEQ168204
     K20Q04Q KC2020 08 23.89793123 15 02.14 +09 25 35.2          17.9 GVEQ168J95
     K20Q04Q KC2020 08 23.89886123 15 07.24 +09 26 05.1          18.0 GVEQ168J95
     K20Q04Q KC2020 08 23.89984323 15 12.64 +09 26 36.6          18.2 GVEQ168J95
     K20Q04Q KC2020 08 23.90081923 15 17.99 +09 27 07.7          18.1 GVEQ168J95

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, F.
    Ludwig, B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
    P. Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + CCD.
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector +
    CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
    Lowe, A. Schultz, M. Willman.  Measurers S. Chastel, M. Huber, Y.
    Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
G34 Oberfrauendorf.  Observer T. Felber.  0.35-m f/6.3 Schmidt-Cassegrain +
    CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
    + 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 QQ4                                                 Earth MOID = 0.0002 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
M 332.71518              (2000.0)            P               Q
n   0.42774980     Peri.  336.60566     +0.58846986     +0.80828531
a   1.7445209      Node   329.43238     -0.73563227     +0.52528634
e   0.4346088      Incl.    2.19121     -0.33548233     +0.26598706
P   2.30           H   28.9           G   0.15           U   6
Residuals in seconds of arc
200823 T08  0.9-  0.2-    200823 N88  0.4-  0.1-    200823 G34  1.1+  0.8+
200823 T08  1.1+  0.7+    200823 N88  0.5+  0.4-    200823 104  0.6+  0.7-
200823 T08  0.6-  0.3-    200823 N88  0.4-  0.4+    200823 204  0.7+  0.3+
200823 T08  0.1+  0.2+    200823 033  0.4-  0.2-    200823 204  0.9+  0.2+
200823 F52  0.3+  0.1+    200823 033  0.8-  0.2-    200823 204  0.7+  0.5+
200823 F52  0.1+  0.0     200823 033  0.7-  0.3-    200823 204  0.7+  0.4+
200823 F52  0.1+  0.0     200823 104  0.1+  0.6-    200823 204  1.2+  0.6+
200823 T08 (1.8-  0.9-)   200823 104  0.5-  0.1-    200823 J95  0.1-  0.1-
200823 F52  0.8+  0.1+    200823 104  0.2+  0.4-    200823 J95  0.3-  0.0
200823 T08  1.3-  0.7-    200823 104  0.4-  0.4-    200823 J95  0.2-  0.0
200823 N88  0.3+  0.6+    200823 G34  0.2+  0.2-    200823 J95  0.2-  0.1-
200823 N88  0.5+  0.3+    200823 G34  0.2-  0.9+

Ephemeris:
2020 QQ4                 a,e,i = 1.74, 0.43, 2                   q = 0.9863
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 07 24    12 46 39.3 -15 50 55   0.1263  0.9926    75.9    97.0    27.9
...
2020 08 08    12 57 39.8 -16 59 22   0.06429 0.9882    64.6   112.0    27.2
...
2020 08 16    13 08 25.9 -17 43 15   0.03010 0.9978    59.7   118.8    26.0
...
2020 08 22    14 43 41.4 -20 59 47   0.0046911.0103    75.9   103.9    21.1
2020 08 23    19 27 06.6 -11 13 41   0.0020651.0129   140.5    39.5    17.1
2020 08 24    23 23 01.0 +10 34 25   0.0049181.0154   152.1    27.8    18.6
...
2020 08 30    00 46 34.4 +16 27 41   0.03048 1.0327   138.5    40.4    23.0
...
2020 09 07    00 52 59.6 +16 34 50   0.06533 1.0617   144.6    33.3    24.5
...
2020 09 22    00 49 24.9 +15 24 02   0.1347  1.1310   159.6    18.0    25.7

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-Q168




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