[Iaude] MPEC Q171: 2020 QT4 [a=2.21,e=0.55,i=4.1,H=25.3]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun Aug 23 18:39:46 EDT 2020


M.P.E.C. 2020-Q171                              Issued 2020 August 23, 22:38 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 QT4                                    


Observations:
     K20Q04T* C2020 08 22.48913000 19 13.75 -28 23 03.2          17.14oVEQ171T08
     K20Q04T  C2020 08 22.49097300 19 20.40 -28 21 47.5          17.06oVEQ171T08
     K20Q04T  C2020 08 22.49474800 19 33.98 -28 19 11.7          17.12oVEQ171T08
     K20Q04T  C2020 08 22.51648400 20 52.08 -28 04 07.7          17.11oVEQ171T08
     K20Q04T  C2020 08 22.59407900 25 31.24 -27 08 56.7          17.40cVEQ171T05
     K20Q04T  C2020 08 22.59453600 25 32.87 -27 08 36.7          17.37cVEQ171T05
     K20Q04T  C2020 08 22.59499400 25 34.55 -27 08 16.6          17.43cVEQ171T05
     K20Q04T  C2020 08 22.59545200 25 36.14 -27 07 56.8          17.42cVEQ171T05
     K20Q04T  C2020 08 22.59590800 25 37.78 -27 07 37.2          17.30cVEQ171T05
     K20Q04T KC2020 08 22.90424 00 45 18.99 -23 18 46.4          17.2 GVEQ171N88
     K20Q04T KC2020 08 22.90572 00 45 24.19 -23 17 36.6          18.7 GVEQ171N88
     K20Q04T KC2020 08 23.00951000 52 12.19 -21 55 49.3          17.4 GVEQ171L01
     K20Q04T KC2020 08 23.01008900 52 14.23 -21 55 22.2          17.6 GVEQ171L01
     K20Q04T KC2020 08 23.01180200 52 20.31 -21 54 01.3          17.5 GVEQ171L01
     K20Q04T KC2020 08 23.01230500 52 22.06 -21 53 37.6          17.6 GVEQ171L01
     K20Q04T KC2020 08 23.03437200 53 47.16 -21 35 49.0          17.3 GVEQ171I93
     K20Q04T KC2020 08 23.03845900 54 01.58 -21 32 35.1          17.4 GVEQ171I93
     K20Q04T KC2020 08 23.04263000 54 16.27 -21 29 17.1          17.4 GVEQ171I93
     K20Q04T KC2020 08 23.29296 01 09 32.73 -18 04 24.1          17.4 RqEQ171734
     K20Q04T KC2020 08 23.29523 01 09 40.46 -18 02 32.6          17.5 RqEQ171734
     K20Q04T KC2020 08 23.29755 01 09 48.31 -18 00 38.5          17.6 RqEQ171734
     K20Q04T KC2020 08 23.29981 01 09 56.04 -17 58 46.8          17.5 RqEQ171734
     K20Q04T KC2020 08 23.30207 01 10 03.63 -17 56 56.9          17.5 RqEQ171734
     K20Q04T KC2020 08 23.30433 01 10 11.34 -17 55 04.8          17.4 RqEQ171734
     K20Q04T  C2020 08 23.42419001 17 03.78 -16 15 01.9          17.61gUEQ171I41
     K20Q04T  C2020 08 23.42453701 17 04.94 -16 14 44.7          17.61gUEQ171I41
     K20Q04T  C2020 08 23.42466401 17 05.42 -16 14 38.8          17.69gUEQ171I41
     K20Q04T  C2020 08 23.42501201 17 06.44 -16 14 21.2          17.69gUEQ171I41
     K20Q04T  C2020 08 23.53015301 23 13.56 -14 44 23.2          17.55oVEQ171T08
     K20Q04T  C2020 08 23.53200301 23 19.59 -14 42 49.5          17.55oVEQ171T08
     K20Q04T  C2020 08 23.53525001 23 29.91 -14 40 07.8          17.54oVEQ171T08
     K20Q04T  C2020 08 23.55234801 24 24.31 -14 25 48.1          17.69oVEQ171T08

Observer details:
734 Farpoint Observatory, Eskridge.  Observers G. Hug, D. Cromer, D. Goodin,
    R. Valentine.  Measurer D. Cromer.  0.7-m reflector + CCD.
I41 Palomar Mountain--ZTF.  Observers B. T. Bolin, V. Bhalerao, C. M.
    Copperwheat, K. P. Deshmukh, C.-Y. Hsu, Z.-Y. Lin, J. Purdum, K. Sharma,
    C. Zhai, Z. T. F. Collaboration.  Measurers B. T. Bolin, D. A. Duev, H.-W.
    Lin, F. J. Masci, Q.-Z. Ye.  1.2-m f/2.4 Schmidt.
I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/3.7 reflector + CCD.
L01 Visnjan Observatory, Tican.  Observers K. Korlevic, V. Dobos, E. Pettarin,
    D. Pujagic.  Measurer D. Pujagic.  1.0-m f/2.9 reflector + CCD.
N88 Xingming Observatory #3, Nanshan.  Observer X. Gao.  Measurer Q.-Z. Ye.
    0.6-m f/8 Ritchey-Chretien + CCD.
T05 ATLAS-HKO, Haleakala.  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.
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 QT4                                                 Earth MOID = 0.0030 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
M 330.17099              (2000.0)            P               Q
n   0.29996841     Peri.   13.89484     +0.98143409     +0.18947596
a   2.2101362      Node   335.12323     -0.18203982     +0.87133305
e   0.5461209      Incl.    4.05751     -0.06040388     +0.45263404
P   3.29           H   25.3           G   0.15           U   7
Residuals in seconds of arc
200822 T08  0.2+  0.4+    200823 L01  0.9-  0.2-    200823 734  0.3+  0.0
200822 T08  0.4+  0.2+    200823 L01  0.9-  0.5-    200823 734  0.9+  0.9+
200822 T08  0.3+  0.0     200823 L01  0.5-  0.8-    200823 I41  0.2-  0.2+
200822 T08  0.1+  0.4-    200823 L01  0.9-  0.9-    200823 I41  0.1+  0.0
200822 T05  0.2+  0.1-    200823 I93  0.7-  0.2-    200823 I41  1.0+  0.4-
200822 T05  0.0   0.1-    200823 I93  0.6-  0.4-    200823 I41  0.8-  0.2-
200822 T05  0.4+  0.0     200823 I93  0.7-  0.7-    200823 T08  1.5-  1.0-
200822 T05  0.4-  0.2-    200823 734  0.9+  0.6+    200823 T08  0.3+  0.0
200822 T05  0.4-  0.5-    200823 734  1.1+  0.6+    200823 T08  0.3-  1.1-
200822 N88  0.9+  1.0+    200823 734  0.6+  0.7+    200823 T08  0.2-  0.2+
200822 N88  0.0   1.3+    200823 734  1.4+  1.3+

Ephemeris:
2020 QT4                 a,e,i = 2.21, 0.55, 4                   q = 1.0031
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 07 24    18 49 09.8 -41 48 51   0.1506  1.1506   151.6    24.8    22.6
...
2020 08 08    19 05 59.6 -44 33 40   0.07512 1.0735   141.1    36.4    21.3
...
2020 08 16    20 04 16.9 -46 38 01   0.03770 1.0423   141.2    37.5    19.8
...
2020 08 22    23 47 29.9 -33 24 14   0.01521 1.0244   148.1    31.4    17.6
2020 08 23    00 51 20.8 -21 54 35   0.01392 1.0219   139.8    39.7    17.6
2020 08 24    01 48 45.1 -08 09 09   0.01421 1.0196   126.6    52.7    18.0
...
2020 08 30    04 26 10.1 +29 28 57   0.03461 1.0086    87.3    90.7    21.2
...
2020 09 07    05 15 09.1 +36 41 34   0.07051 1.0028    84.0    92.0    22.8
...
2020 09 22    05 42 03.5 +39 37 10   0.1360  1.0191    92.7    79.7    23.8

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-Q171




More information about the Iaude mailing list