[Iaude] MPEC Q196: 2007 TZ18 [a=2.20,e=0.49,i=8.8,H=21.0]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Tue Aug 25 21:52:40 EDT 2020


M.P.E.C. 2020-Q196                              Issued 2020 August 26, 01:51 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

                                   2007 TZ18                                    


                           Revision to MPEC 2007-T64                            

Additional Observations:
     K07T18Z  C2020 06 27.47035321 11 07.720+01 18 49.66         23.20GVEQ196F51
     K07T18Z  C2020 06 27.49456321 11 07.924+01 19 07.14         22.96GVEQ196F51
     K07T18Z  C2020 07 16.51539421 09 19.466+04 53 19.29         22.61GVEQ196F52
     K07T18Z  C2020 07 16.54923821 09 18.448+04 53 39.50         21.73GVEQ196F52
     K07T18Z  C2020 07 21.41119921 06 52.736+05 40 15.70         22.14GVEQ196F52
     K07T18Z  C2020 07 21.42289521 06 52.257+05 40 22.10         21.99GVEQ196F52
     K07T18Z  C2020 07 21.43453021 06 51.806+05 40 28.19         22.25GVEQ196F52
     K07T18Z  C2020 07 25.52146621 04 10.250+06 15 14.70         21.77GVEQ196F52
     K07T18Z  C2020 07 25.53304921 04 09.704+06 15 20.20         21.81GVEQ196F52
     K07T18Z  C2020 07 25.55621821 04 08.577+06 15 31.09         22.14GVEQ196F52
     K07T18Z  C2020 08 11.36702220 48 03.332+07 38 40.00         21.33GVEQ196F52
     K07T18Z  C2020 08 11.39080820 48 01.569+07 38 41.64         20.89GVEQ196F52
     K07T18Z  C2020 08 11.40279120 48 00.691+07 38 42.91         21.21GVEQ196F52
     K07T18Z  C2020 08 13.31777120 45 49.548+07 40 27.48         21.34GVEQ196F51
     K07T18Z  C2020 08 13.33203920 45 48.485+07 40 27.85         21.72GVEQ196F51
     K07T18Z  C2020 08 25.36324120 32 02.999+07 08 11.87         21.01wUEQ196F52
     K07T18Z  C2020 08 25.37565220 32 02.114+07 08 07.68         21.24wUEQ196F52
     K07T18Z  C2020 08 25.38801420 32 01.231+07 08 03.42         21.60wUEQ196F52
     K07T18Z KC2020 08 25.83290320 31 33.40 +07 05 17.5          21.0 GVEQ196L01
     K07T18Z KC2020 08 25.83524320 31 33.25 +07 05 17.3          21.1 GVEQ196L01
     K07T18Z KC2020 08 25.83758320 31 33.11 +07 05 15.7          21.0 GVEQ196L01
     K07T18Z KC2020 08 25.83992320 31 32.94 +07 05 15.0          20.9 GVEQ196L01

Observer details:
F51 Pan-STARRS 1, 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.
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, K. Chambers, T. de Boer, L. Denneau,
    J. Fairlamb, H. Flewelling, C.-C. Lin, E. Magnier.  1.8-m Ritchey-Chretien
    + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
200627 F51 0.06- 0.02-    200825 L01 0.12- 0.06-    MPO131974   -0.08 days

Orbital elements:
2007 TZ18                                                Earth MOID = 0.1301 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
M 309.37909              (2000.0)            P               Q
n   0.30126361     Peri.  184.27145     +0.81155456     -0.57879321
a   2.2037971      Node   211.52523     +0.54048676     +0.79560222
e   0.4904275      Incl.    8.78532     +0.22193074     +0.17892881
P   3.27           H   21.0           G   0.15           U   1
Residuals in seconds of arc
071009 703  0.4-  0.4-    071028 H55  0.4+  0.6+    071225 H55  0.2+  0.2+
071009 703  0.6+  0.7+    071029 H55  0.0   0.0     200627 F51  0.1+  0.1+
071009 703  0.2+  0.4-    071029 H55  0.2-  0.0     200627 F51  0.1-  0.2+
071009 703  0.1+  0.4+    071029 H55  0.2-  0.3+    200716 F52  0.4+  0.4-
071009 703  0.1-  1.0+    071030 H55  0.6-  0.0     200716 F52  0.1+  0.6-
071009 703  0.3+  1.3+    071030 H55  0.1+  0.2-    200721 F52  0.5+  0.0
071009 703  0.2-  0.5-    071030 H55  0.7+  0.1-    200721 F52  0.3+  0.0
071010 118  0.1+  0.3-    071107 H55  0.1-  0.3+    200721 F52  0.5+  0.2-
071010 118  0.0   0.2-    071107 H55  0.3+  0.0     200725 F52  0.0   0.0
071010 118  0.3+  0.1-    071108 H45  0.0   0.3-    200725 F52  0.2+  0.0
071010 118  0.2+  0.1-    071108 H45  0.2-  0.2+    200725 F52  0.1+  0.0
071010 118  0.3+  0.4+    071108 H45  0.1+  0.2-    200811 F52  0.3-  0.2+
071010 H55  0.3-  0.2+    071116 H55  0.1+  0.3-    200811 F52  0.2-  0.2-
071010 H55  0.1-  0.2+    071116 H55  0.3+  0.1+    200811 F52  0.0   0.1+
071010 H55  0.2-  0.0     071116 H55  0.0   0.2-    200813 F51  0.0   0.0
071013 H55  0.1-  0.2+    071116 H55  0.0   0.1+    200813 F51  0.1+  0.1-
071013 H55  0.4-  0.6-    071116 H55  0.3-  0.0     200825 F52  0.1-  0.3-
071013 H55  0.2+  0.2-    071119 689  0.3+  0.2-    200825 F52  0.0   0.1-
071020 H55  0.4-  0.7-    071127 H55  0.3-  0.0     200825 F52  0.1-  0.1-
071020 H55  0.3-  0.4-    071127 H55  0.3-  0.1+    200825 L01  0.4-  0.3-
071020 H55  0.0   0.2-    071127 H55  0.5-  0.0     200825 L01  0.2-  0.4+
071028 H55  0.9+  0.9+    071225 H55  0.5+  0.4-    200825 L01  0.1+  0.4-
071028 H55  0.5+  1.0-    071225 H55  1.4-  0.4-    200825 L01  0.1-  0.3-

Ephemeris:
2007 TZ18                a,e,i = 2.20, 0.49, 9                   q = 1.1230
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 07 27    21 03 04.2 +06 26 43   0.6443  1.6155   152.8    16.7    22.0
...
2020 08 11    20 48 28.1 +07 38 11   0.5372  1.5187   155.5    16.1    21.4
...
2020 08 19    20 39 11.9 +07 34 46   0.4942  1.4682   152.5    18.6    21.3
...
2020 08 25    20 32 26.4 +07 10 21   0.4678  1.4311   148.6    21.6    21.2
2020 08 26    20 31 22.6 +07 04 29   0.4639  1.4250   147.9    22.2    21.2
2020 08 27    20 30 20.3 +06 58 06   0.4600  1.4189   147.1    22.7    21.2
...
2020 09 02    20 24 46.5 +06 09 39   0.4395  1.3830   142.3    26.5    21.1
...
2020 09 10    20 19 45.3 +04 40 31   0.4174  1.3370   135.5    31.9    21.1
...
2020 09 25    20 20 57.5 +00 59 00   0.3880  1.2585   123.3    41.8    21.1

A. U. Tomatic                (C) Copyright 2020 MPC           M.P.E.C. 2020-Q196




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