[Iaude] MPEC F55: 2016 TM18 [a=1.35,e=0.05,i=35.0,H=21.18]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Mar 25 10:06:45 EDT 2022


M.P.E.C. 2022-F55                                Issued 2022 March 25, 14:05 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

                                   2016 TM18                                    


                           Revision to MPEC 2016-T98                            

Additional Observations:
     K16T18M KC2022 03 12.44238015 31 37.51 -06 30 20.7          21.70GVEF055I52
     K16T18M KC2022 03 12.44621615 31 37.38 -06 30 32.3          22.27GVEF055I52
     K16T18M KC2022 03 12.45005115 31 37.21 -06 30 43.5          21.46GVEF055I52
     K16T18M KC2022 03 24.46344315 15 33.01 -17 51 59.3          21.53GVEF055I52
     K16T18M KC2022 03 24.46769815 15 32.39 -17 52 16.9          21.32GVEF055I52
     K16T18M KC2022 03 24.47195215 15 31.83 -17 52 33.5          20.32GVEF055I52
     K16T18M KC2022 03 24.47620915 15 31.27 -17 52 50.2          21.49GVEF055I52

Observer details:
I52 Steward Observatory, Mt. Lemmon Station.  Observers A. R. Gibbs, K. W.
    Wierzchos.  Measurers E. J. Christensen, G. A. Farneth, J. B. Fazekas, D.
    C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A. Kowalski, S. M.
    Larson, G. J. Leonard, D. Rankin, R. L. Seaman, A. Serrano, F. C. Shelly,
    K. W. Wierzchos, J. K. Hogan.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
220312 I52 0.29- 0.58-    220324 I52 0.44- 0.63-    MPO389518   -0.28 days

Orbital elements:
2016 TM18                                                Earth MOID = 0.3157 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M  17.49240              (2000.0)            P               Q                  
n   0.62797467     Peri.  118.35006     -0.66736052     -0.72501139             
a   1.3505416      Node    17.26224     +0.30138892     -0.47198388             
e   0.0485958      Incl.   35.01264     +0.68102471     -0.50158718             
P   1.57           H   21.18          G   0.15           U   2                  
Residuals in seconds of arc
161007 691  0.3-  0.0     161010 691  0.1-  0.1+    161102 291 (0.4-  1.8-)
161007 691  0.0   0.1+    161010 691  0.4-  0.1+    161102 291  0.6-  0.3-
161007 691  0.2-  0.0     161010 691  0.3-  0.1+    161102 291  0.4-  0.3+
161007 K93  0.0   0.1-    161011 691  0.7-  0.2+    161107 H21  0.2+  0.3-
161007 K93  0.3+  0.0     161011 691 (2.1-  0.7+)   161107 H21  0.0   0.4-
161007 K93  0.2+  0.2-    161011 691  0.0   0.1-    161107 H21  0.1-  0.5-
161008 291  0.2-  0.0     161012 291  0.1+  0.1+    161108 291  0.0   0.1+
161008 291  0.3+  0.0     161012 291  0.1+  0.1+    161108 291  0.1+  0.1+
161008 291  0.5+  0.0     161012 291  0.2+  0.1+    161108 291  0.6+  0.2+
161008 I93  0.5+  0.0     161019 926  0.0   0.3+    220312 I52  0.4-  0.4+
161008 I93  0.3+  0.1+    161019 926  0.2-  0.0     220312 I52  0.4+  0.0
161008 I93  0.0   0.3+    161019 926  0.0   0.3-    220312 I52  0.5+  0.2-
161009 291  0.2+  0.1+    161021 691 (1.0-  0.5-)   220324 I52  0.0   0.4+
161009 291  0.1+  0.1+    161021 691  0.7-  0.2-    220324 I52  0.8-  0.5-
161009 291  0.2+  0.1+    161021 691  0.1-  0.4-    220324 I52  0.5-  0.5-
161009 926  0.4+  0.1-    161022 691  0.0   0.4-    220324 I52  0.5-  0.5-
161009 926  0.3+  0.1-    161022 691  0.1+  0.2-
161009 926  0.2+  0.0     161022 691  0.0   0.2-

Ephemeris:
2016 TM18                a,e,i = 1.35, 0.05, 35                  q = 1.2849
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2022 02 23    15 32 33.6 +04 40 38   0.6454  1.3003   103.4    47.7    22.6
...
2022 03 10    15 33 02.6 -04 36 30   0.5199  1.3081   116.1    43.0    22.0
...
2022 03 18    15 26 17.0 -11 19 04   0.4606  1.3128   124.7    38.6    21.6
...
2022 03 24    15 16 30.9 -17 21 31   0.4230  1.3165   131.7    34.4    21.3
2022 03 25    15 14 24.2 -18 26 57   0.4175  1.3172   132.9    33.7    21.3
2022 03 26    15 12 08.3 -19 33 43   0.4123  1.3178   134.1    32.9    21.2
...
2022 04 01    14 54 58.8 -26 37 12   0.3866  1.3217   140.9    28.5    21.0
...
2022 04 09    14 21 11.3 -36 19 45   0.3708  1.3271   146.7    24.4    20.8
...
2022 04 24    12 48 17.6 -49 37 37   0.4014  1.3376   139.8    29.0    21.1

A. U. Tomatic                (C) Copyright 2022 MPC           M.P.E.C. 2022-F55




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