[Iaude] MPEC F144: 2018 TP1 [a=2.16,e=0.67,i=3.7,H=24.66]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu Mar 31 12:11:16 EDT 2022


M.P.E.C. 2022-F144                               Issued 2022 March 31, 16:06 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

                                    2018 TP1                                    


                           Revision to MPEC 2018-T74                            

Additional Observations:
     K18T01P  C2022 03 28.29393111 31 03.278+10 08 11.25         21.84wUEF144F52
     K18T01P  C2022 03 28.30604111 31 04.240+10 07 28.05         21.95wUEF144F52
     K18T01P  C2022 03 28.31816711 31 05.193+10 06 44.43         21.77wUEF144F52
     K18T01P  C2022 03 28.33031711 31 06.131+10 06 00.95         21.55wUEF144F52
     K18T01P  C2022 03 28.46807811 31 16.461+09 57 49.43         21.58GVEF144F52
     K18T01P  C2022 03 28.46888211 31 16.516+09 57 46.70         21.81GVEF144F52
     K18T01P 1C2022 03 28.93595 11 32 01.52 +09 30 36.4          20.9 VXEF144033
     K18T01P 1C2022 03 28.93954 11 32 01.80 +09 30 24.8          21.2 VXEF144033
     K18T01P 1C2022 03 28.94312 11 32 02.06 +09 30 13.1          21.7 VXEF144033
     K18T01P |C2022 03 29.06877 11 32 15.20 +09 24 24.8          21.7 GVEF144807
     K18T01P |C2022 03 29.07812 11 32 15.88 +09 23 54.5          21.7 GVEF144807
     K18T01P |C2022 03 29.08751 11 32 16.56 +09 23 23.9          21.4 GVEF144807
     K18T01P |C2022 03 30.12937 11 33 43.70 +08 29 47.4          21.8 GVEF144807
     K18T01P |C2022 03 30.13679 11 33 44.16 +08 29 26.1          22.0 GVEF144807
     K18T01P |C2022 03 30.14419 11 33 44.63 +08 29 04.4          22.1 GVEF144807

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
    Hoegner, U. Laux, F. Ludwig, B. Stecklum.  Measurer B. Stecklum.  1.34-m
    f/3 Schmidt + CCD.
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes, L.
    Horn.  1.00-m f/10.0 astrograph + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, I.
    Smith, K. Chambers, T. Dukes.  Measurers K. Chambers, S. Chastel, T. de
    Boer, J. Fairlamb, H. Gao, M. Huber, C.-C. Lin, E. Magnier, Y.
    Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
220328 F52   30+   13+    220330 807   26+   11+    MPO458799   +4.35 days

Orbital elements:
2018 TP1                                                 Earth MOID = 0.0089 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M 357.57408              (2000.0)            P               Q                  
n   0.31146062     Peri.   80.13965     -0.14868729     -0.98866821             
a   2.1554301      Node    18.44978     +0.87976376     -0.14179611             
e   0.6668583      Incl.    3.74491     +0.45156154     -0.04928524             
P   3.16           H   24.66          G   0.15           U   1                  
Residuals in seconds of arc
181004 F52  0.2+  0.0     181005 291  0.3+  0.0     220328 F52  0.2+  0.1+
181004 F52 (0.5+  0.3+)   181005 291  0.0   0.2-    220328 F52  0.1+  0.2+
181004 F52  0.1-  0.1-    181005 291  0.2+  0.4+    220328 033  0.5+  0.4-
181004 K88  0.4-  0.7+    181005 291  0.2+  0.1+    220328 033  0.7+  0.1-
181004 K88  0.1+  0.4-    181006 K88  0.2-  0.4+    220328 033  0.4+  0.2+
181004 L01  0.2+  0.0     181006 K88 (0.1-  1.0+)   220329 807  0.2-  0.2-
181004 L01  0.4-  0.1-    181010 I52  0.3+  0.1-    220329 807  0.1-  0.0
181004 L01  0.2+  0.4+    181010 I52  0.3+  0.0     220329 807  0.0   0.0
181005 711  0.1+  0.0     181010 I52  0.6-  0.1-    220330 807  0.1-  0.1-
181005 711  0.4+  0.1+    220328 F52  0.1+  0.1+    220330 807  0.1-  0.1+
181005 711  0.5+  0.2-    220328 F52  0.1+  0.2+    220330 807  0.1+  0.1-
181005 291  0.5+  0.1-    220328 F52  0.2+  0.0
181005 291  0.0   0.1-    220328 F52  0.2+  0.0

Ephemeris:
2018 TP1                 a,e,i = 2.16, 0.67, 4                   q = 0.7181
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2022 03 01    00 14 48.6 +18 56 43   0.1430  0.8766    34.5   140.2    27.0
...
2022 03 16    09 42 23.9 +53 55 27   0.04608 1.0201   122.5    55.3    20.0
...
2022 03 24    11 21 24.9 +16 03 22   0.1124  1.1023   158.8    19.1    21.1
...
2022 03 30    11 33 32.7 +08 35 37   0.1747  1.1650   160.8    16.3    22.1
2022 03 31    11 34 50.0 +07 49 10   0.1855  1.1755   160.6    16.4    22.2
2022 04 01    11 36 00.6 +07 07 26   0.1965  1.1860   160.3    16.5    22.4
...
2022 04 07    11 41 38.2 +04 04 33   0.2644  1.2488   157.2    18.1    23.2
...
2022 04 15    11 47 33.3 +01 37 04   0.3611  1.3322   151.8    20.8    24.1
...
2022 04 30    11 58 25.2 -01 10 26   0.5618  1.4854   140.7    25.4    25.4

A. U. Tomatic                (C) Copyright 2022 MPC           M.P.E.C. 2022-F144




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