[Iaude] MPEC Q161: 2020 QM4 [a=1.82,e=0.38,i=21.1,H=19.0]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun Aug 23 07:40:06 EDT 2020


M.P.E.C. 2020-Q161                              Issued 2020 August 23, 11:38 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 QM4                                    


Observations:
     K20Q04M* C2020 08 19.46283 03 38 39.00 -06 23 49.0          19.8 GVEQ161G96
     K20Q04M  C2020 08 19.46715 03 38 39.21 -06 23 40.2          19.7 GVEQ161G96
     K20Q04M  C2020 08 19.47143 03 38 39.42 -06 23 31.7          19.7 GVEQ161G96
     K20Q04M  C2020 08 19.47572 03 38 39.63 -06 23 23.4          19.8 GVEQ161G96
     K20Q04M  C2020 08 19.49256 03 38 40.47 -06 22 50.3          19.8 GVEQ161G96
     K20Q04M  C2020 08 19.49461 03 38 40.56 -06 22 46.3          19.6 GVEQ161G96
     K20Q04M  C2020 08 19.49675 03 38 40.67 -06 22 42.0          20.0 GVEQ161G96
     K20Q04M  C2020 08 20.38827 03 39 28.45 -05 53 17.8                VEQ161I52
     K20Q04M  C2020 08 20.39177 03 39 28.61 -05 53 14.0          21.7 GVEQ161I52
     K20Q04M KC2020 08 21.08140603 40 03.53 -05 30 30.3          19.6 GVEQ161L01
     K20Q04M KC2020 08 21.08335803 40 03.64 -05 30 26.6          19.7 GVEQ161L01
     K20Q04M KC2020 08 21.08530803 40 03.74 -05 30 22.6          19.6 GVEQ161L01
     K20Q04M KC2020 08 22.07653 03 40 52.21 -04 57 32.2          19.9 GVEQ161104
     K20Q04M KC2020 08 22.08038 03 40 52.37 -04 57 24.3          19.5 GVEQ161104
     K20Q04M KC2020 08 22.08410903 40 52.63 -04 57 16.9          19.4 GVEQ161I93
     K20Q04M KC2020 08 22.08449 03 40 52.54 -04 57 15.7          19.7 GVEQ161104
     K20Q04M KC2020 08 22.08782403 40 52.76 -04 57 09.3          19.5 GVEQ161I93
     K20Q04M KC2020 08 22.09246803 40 52.95 -04 57 00.2          19.8 GVEQ161I93
     K20Q04M KC2020 08 22.37621 03 41 06.32 -04 47 33.3          19.4 RqEQ161734
     K20Q04M KC2020 08 22.38284 03 41 06.65 -04 47 20.3          20.3 RqEQ161734
     K20Q04M KC2020 08 22.38615 03 41 06.78 -04 47 14.2          19.7 RqEQ161734
     K20Q04M KC2020 08 22.38945 03 41 06.94 -04 47 07.1          19.5 RqEQ161734
     K20Q04M  C2020 08 23.09384 03 41 39.04 -04 23 42.0          20.9 VVEQ161033
     K20Q04M  C2020 08 23.09482 03 41 39.09 -04 23 40.2          19.9 VVEQ161033
     K20Q04M  C2020 08 23.09581 03 41 39.11 -04 23 38.1          20.5 VVEQ161033
     K20Q04M  C2020 08 23.45412 03 41 55.03 -04 11 36.7                VEQ161I52
     K20Q04M  C2020 08 23.45934 03 41 55.27 -04 11 26.3          19.8 GVEQ161G96
     K20Q04M  C2020 08 23.46048 03 41 55.32 -04 11 24.6          19.3 GVEQ161I52
     K20Q04M  C2020 08 23.46149 03 41 55.37 -04 11 22.0          19.9 GVEQ161G96
     K20Q04M  C2020 08 23.46338 03 41 55.40 -04 11 18.3          19.8 GVEQ161I52

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.
734 Farpoint Observatory, Eskridge.  Observers G. Hug, D. Cromer, D. Goodin.
    Measurer D. Cromer.  0.7-m reflector + CCD.
G96 Mt. Lemmon Survey.  Observers H. Groeller, 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.  Observers T. A. Pruyne, G. J.
    Leonard.  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.
I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/3.7 reflector + CCD.
L01 Visnjan Observatory, Tican.  Observers K. Korlevic, E. Pettarin.  Measurer
    E. Pettarin.  1.0-m f/2.9 reflector + CCD.

Orbital elements:
2020 QM4                                                 Earth MOID = 0.2721 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
M 342.50096              (2000.0)            P               Q
n   0.40059864     Peri.  293.71570     +0.68789944     +0.71366541
a   1.8224812      Node    21.55422     -0.46231498     +0.57124900
e   0.3775738      Incl.   21.09011     -0.55951696     +0.40540875
P   2.46           H   19.0           G   0.15           U   9
Residuals in seconds of arc
200819 G96  0.1-  0.4-    200821 L01  0.2+  0.2-    200822 734  0.1+  0.6-
200819 G96  0.2-  0.1-    200821 L01  0.3+  0.1-    200822 734  0.4+  0.1-
200819 G96  0.2-  0.0     200822 104  0.4+  0.5-    200823 033  0.0   0.1+
200819 G96  0.2-  0.1-    200822 104  0.2+  0.2-    200823 033  0.2+  0.0
200819 G96  0.1+  0.1-    200822 I93  0.2+  0.3-    200823 033  0.1-  0.1+
200819 G96  0.1-  0.2-    200822 104  0.1+  0.2+    200823 I52  0.6-  0.3+
200819 G96  0.0   0.1-    200822 I93  0.3-  0.1-    200823 G96  0.0   0.3+
200820 I52  0.3+  2.7+    200822 I93  0.5-  0.2-    200823 I52  0.1+  0.3-
200820 I52  0.1+  0.4-    200822 734  0.4-  0.0     200823 G96  0.3+  0.3+
200821 L01  0.1-  0.1-    200822 734  0.3+  0.2-    200823 I52  0.4-  0.2+

Ephemeris:
2020 QM4                 a,e,i = 1.82, 0.38, 21                  q = 1.1344
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 07 24    03 01 39.8 -20 26 42   0.5829  1.1390    86.4    62.9    20.3
...
2020 08 08    03 25 42.2 -12 33 53   0.5605  1.1616    90.3    60.8    20.2
...
2020 08 16    03 35 15.9 -08 16 46   0.5450  1.1807    93.7    58.9    20.2
...
2020 08 22    03 40 47.9 -04 59 54   0.5319  1.1980    96.9    57.0    20.1
2020 08 23    03 41 34.3 -04 26 38   0.5297  1.2011    97.5    56.6    20.1
2020 08 24    03 42 18.1 -03 53 14   0.5274  1.2043    98.1    56.2    20.1
...
2020 08 30    03 45 42.0 -00 29 21   0.5135  1.2245   102.0    53.7    20.0
...
2020 09 07    03 47 20.5 +04 12 59   0.4949  1.2545   108.3    49.7    19.8
...
2020 09 22    03 39 12.8 +13 34 24   0.4662  1.3183   123.3    39.5    19.5

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-Q161




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