[Iaude] MPEC X97: 2019 CT1 [a=1.56,e=0.35,i=19.3,H=22.0]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu Dec 10 10:01:21 EST 2020


M.P.E.C. 2020-X97                             Issued 2020 December 10, 15:00 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

                                    2019 CT1                                    


                           Revision to MPEC 2019-C65                            

Additional Observations:
     K19C01T KC2020 10 16.58756106 47 58.529+68 10 34.27         23.16GVEX097T12
     K19C01T KC2020 12 09.64471813 02 22.060+41 37 04.27         22.86GVEX097T12

Observer details:
T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observers D. Hung, D.
    Fohring.  Measurer D. J. Tholen.  2.24-m f/10.1 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
201016 T12 0.09- 0.06-    201209 T12 0.05- 0.16-    MPO467451   -0.07 days

Orbital elements:
2019 CT1                                                 Earth MOID = 0.0475 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M 352.43477              (2000.0)            P               Q
n   0.50524321     Peri.  152.44718     -0.47694743     -0.85842837
a   1.5612378      Node   325.07821     +0.73350857     -0.27044309
e   0.3549678      Incl.   19.25038     +0.48423789     -0.43584546
P   1.95           H   22.0           G   0.15           U   0
Residuals in seconds of arc
190204 T08  0.2+  0.2-    190206 C77  0.6-  0.0     190213 Z80  0.0   0.0
190204 T08  0.0   0.0     190206 C77  0.0   0.2-    190213 Z80  0.3-  0.5-
190204 T08  0.2+  0.6+    190206 204  0.2-  0.1-    190213 Z80  0.4+  0.1+
190204 T08  0.1-  0.3-    190206 204  0.2-  0.1-    190214 160  0.2-  0.1+
190204 T08  0.6+  0.6+    190206 K33  0.4-  0.9-    190214 160  0.5-  0.0
190204 T08  0.2-  0.4+    190206 204  0.2-  0.1-    190214 160  0.2+  0.1-
190204 T08  0.1+  0.4-    190206 204  0.2-  0.1-    190214 T08  0.2-  0.1-
190204 T08  0.3+  0.1+    190206 204  0.1-  0.1-    190214 T08  0.1-  0.6-
190204 T08  0.1-  0.4+    190206 K33  0.5+  0.9-    190214 T08  0.1+  0.2-
190204 C43  0.4+  0.1+    190206 K33  0.2+  0.6-    190214 T08  0.3-  0.2-
190204 C43  0.1-  0.1+    190206 033  0.0   0.2-    190214 246  0.3-  0.4+
190204 C43  0.2-  0.0     190206 033  0.2+  0.2+    190214 246  0.1-  0.5+
190204 C43  0.2+  0.0     190206 033  0.1+  0.1+    190214 246  0.2+  1.4+
190204 104  0.6-  1.2+    190207 033  0.3-  0.5-    190214 246  0.1-  0.1-
190204 104  0.4-  0.2+    190207 033  0.3+  0.3+    190214 246  0.1-  0.2+
190204 104  1.1-  0.9+    190207 033  0.0   0.1-    190214 J69  0.1-  0.2+
190204 Z99  0.1-  0.3+    190207 033  0.2-  0.4-    190214 J69  0.7-  1.3-
190204 Z99  0.4-  0.4+    190207 L18  0.2+  1.2+    190214 J69  0.6-  0.7-
190204 Z99  0.5-  0.3-    190207 L18  0.1+  0.6+    190214 J69  0.9-  0.8-
190204 160  0.8+  0.6+    190207 L18  0.1-  1.0-    190215 160  0.3-  0.5+
190204 160  0.5+  0.3+    190208 Z21  0.1-  0.2+    190215 160  0.1+  0.3+
190204 160  0.6+  0.6+    190208 Z21  0.2-  0.0     190215 160  0.3-  0.5+
190204 160  0.0   0.8+    190208 Z21  0.3-  0.0     190215 K61  0.8+  0.5-
190204 160  0.4+  0.7+    190208 Z21  0.2+  0.1-    190215 K61  1.0+  0.5-
190204 033  0.1+  0.2+    190208 Z21  0.1-  0.0     190215 K61  1.0+  0.2-
190204 033  0.1+  0.1+    190208 I89  0.4-  1.2-    190215 L04  0.1+  0.1-
190204 033  0.2+  0.1+    190208 I89  0.6-  1.0-    190215 L04  0.2-  0.5-
190204 C47  0.1-  0.2-    190208 I89  0.5-  1.0-    190215 L04  0.4+  0.0
190204 C47  0.0   0.2+    190208 I89  0.1-  0.6-    190216 160  0.1+  0.0
190205 C47  0.0   0.2+    190208 703  0.2+  0.3+    190216 160  0.4+  0.1+
190205 C47  0.0   0.0     190208 703  0.3-  0.2-    190216 160  0.1+  0.4-
190205 C47  0.1+  0.1+    190208 703  0.1+  0.1+    190219 C95  0.1+  0.9-
190205 J04  0.1-  0.1-    190208 703  0.1+  0.7+    190219 C95  0.7-  0.6+
190205 J04  0.0   0.1-    190209 I52  0.2+  0.0     190219 C95  0.0   0.3-
190205 J04  0.0   0.1+    190209 I52  0.0   0.0     190224 807  0.1-  0.1-
190205 L01  0.2-  0.1+    190209 I52  0.0   0.4+    190224 807  0.1-  0.1-
190205 L01  0.2-  0.3+    190209 I52  0.0   0.2-    190224 807  0.1-  0.1-
190205 L01  0.1-  0.1+    190210 718  1.2+  0.4+    190225 807  0.0   0.2-
190205 L01  0.1-  0.1+    190210 718  1.2+  0.2-    190225 807  0.1-  0.1-
190205 K74  0.1+  0.3+    190210 718  1.3+  0.1-    190225 807  0.1-  0.1-
190205 K74  0.2-  0.4+    190210 718  0.9+  0.6+    190301 807  0.0   0.0
190205 K74  0.1-  0.5+    190210 718  1.1+  0.1-    190301 807  0.1-  0.0
190205 K74  0.2-  0.3+    190210 L18 (1.9+  2.9+)   190301 807  0.4+  0.6-
190205 595  0.0   0.6+    190210 L18 (1.6+  3.0+)   190302 807  0.0   0.0
190205 K51  0.1+  0.1-    190210 L18 (2.1+  4.0+)   190302 807  0.1-  0.0
190205 K51  0.0   0.1-    190211 I52  0.1-  0.2-    190302 807  0.1+  0.0
190205 K51  0.5+  0.5+    190211 I52  0.3-  0.1+    190306 807  0.0   0.5+
190205 595  0.3+  0.4-    190211 I52  0.0   0.0     190306 807  0.2+  0.2-
190205 107  0.9+  0.7-    190211 I52  0.1-  0.1-    190306 807  0.2+  0.0
190205 107  0.1+  0.6-    190212 I52  0.0   0.0     190314 807  0.4-  0.0
190205 107  0.1-  0.4-    190212 I52  0.1-  0.1-    190314 807  0.4-  0.5+
190205 203  0.1-  0.0     190212 I52  0.0   0.1-    190314 807  0.4-  1.0+
190205 203  0.1-  0.2+    190212 I52  0.0   0.0     190315 807  0.0   0.2+
190205 203  0.1-  0.1+    190212 718  0.1+  0.1+    190315 807  0.1-  0.2-
190205 160  0.6-  0.3+    190212 718  0.2+  0.3+    190315 807  0.1-  0.2-
190205 160  1.0-  0.9-    190212 718  0.4+  0.2+    190317 807  0.1+  0.7+
190205 160  0.7-  1.0-    190212 718  0.2+  0.5+    190317 807  0.7-  0.7+
190206 I89  0.6-  0.4-    190212 718  0.3+  0.1+    190317 807  0.6-  0.6+
190206 I89  1.4-  0.8-    190212 718  0.4+  0.4+    190326 807  0.2-  0.0
190206 I89  0.2-  0.3-    190212 Z43  0.2+  0.1+    190326 807  0.2-  0.1+
190206 G40  0.1-  0.3-    190212 Z43  0.3+  0.4+    190326 807  0.5-  0.4+
190206 G40  0.0   0.1-    190212 Z43  0.1+  0.1+    190411 807  0.3+  0.3+
190206 G40  0.4-  0.1+    190212 Z43  0.2+  0.0     190411 807  0.0   0.3+
190206 T05  0.1+  0.4+    190212 Z43  0.1-  0.0     190411 807  0.3+  0.1+
190206 T05  0.0   0.1+    190212 Z43  0.1+  0.1+    201016 T12  0.0   0.0
190206 T05  0.3+  0.2+    190213 Z80  0.0   0.0     201209 T12  0.0   0.0
190206 T05  0.0   0.1+    190213 Z80  0.4+  0.1+
190206 C77  0.3-  0.3+    190213 Z80  0.5+  0.2+

Ephemeris:
2019 CT1                 a,e,i = 1.56, 0.35, 19                  q = 1.0070
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 10    10 51 16.4 +65 08 10   0.4716  1.1311    94.7    60.8    22.8
...
2020 11 25    12 16 06.4 +54 46 15   0.4279  1.0734    89.7    66.9    22.7
...
2020 12 03    12 44 12.6 +47 53 42   0.4074  1.0488    87.3    69.9    22.6
...
2020 12 09    13 00 44.6 +42 14 53   0.3932  1.0337    85.8    71.9    22.6
2020 12 10    13 03 12.9 +41 16 04   0.3909  1.0315    85.6    72.2    22.6
2020 12 11    13 05 36.9 +40 16 35   0.3887  1.0293    85.4    72.5    22.5
...
2020 12 17    13 18 43.7 +34 05 59   0.3760  1.0185    84.4    74.1    22.5
...
2020 12 25    13 33 33.4 +25 15 46   0.3614  1.0096    83.6    75.5    22.4
...
2021 01 09    13 56 28.8 +07 10 05   0.3443  1.0104    84.5    75.7    22.3

A. U. Tomatic                (C) Copyright 2020 MPC           M.P.E.C. 2020-X97




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