[Iaude] MPEC U04: 2017 TZ4 [a=1.96,e=0.59,i=7.7,H=23.2]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sun Oct 15 20:49:16 EDT 2017


M.P.E.C. 2017-U04                                Issued 2017 Oct. 16, 00:45 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 http://www.minorplanetcenter.net/    ISSN 1523-6714


                                   2017 TZ4
 
Observations:
     K17T04Z* C2017 10 13.19516 22 53 51.83 +21 02 07.6          20.5 GUEU004G96
     K17T04Z  C2017 10 13.20036 22 53 50.16 +21 02 02.7          20.7 GUEU004G96
     K17T04Z  C2017 10 13.20558 22 53 48.52 +21 01 58.2          20.6 GUEU004G96
     K17T04Z  C2017 10 13.21079 22 53 46.85 +21 01 53.6          20.5 GUEU004G96
     K17T04Z  C2017 10 13.30307 22 53 17.53 +21 00 25.9          20.1 GUEU004G96
     K17T04Z  C2017 10 13.30458 22 53 17.07 +21 00 24.5          20.5 GUEU004G96
     K17T04Z  C2017 10 13.30609 22 53 16.56 +21 00 22.8          20.1 GUEU004G96
     K17T04Z  C2017 10 13.30752 22 53 16.14 +21 00 21.3          20.3 GUEU004G96
     K17T04Z KC2017 10 13.78650 22 50 54.70 +20 52 35.0          20.5  tEU004K63
     K17T04Z KC2017 10 13.79633 22 50 51.49 +20 52 25.3          20.1  tEU004K63
     K17T04Z KC2017 10 13.80156 22 50 49.80 +20 52 20.5          20.0  tEU004K63
     K17T04Z KC2017 10 13.82150622 50 43.39 +20 51 59.2          20.1  UEU004B04
     K17T04Z KC2017 10 13.82864422 50 41.03 +20 51 52.2          20.0  UEU004B04
     K17T04Z KC2017 10 13.83576022 50 38.70 +20 51 45.5          20.0  UEU004B04
     K17T04Z KC2017 10 13.84287022 50 36.32 +20 51 38.6          20.2  UEU004B04
     K17T04Z KC2017 10 13.97469 22 49 52.44 +20 49 22.8          20.1  uEU004104
     K17T04Z KC2017 10 13.98945 22 49 47.60 +20 49 06.2          19.9  uEU004104
     K17T04Z KC2017 10 13.99948 22 49 44.30 +20 48 55.6          20.1  uEU004104
     K17T04Z KC2017 10 14.23964 22 48 29.41 +20 45 03.0          19.6 RoEU004691
     K17T04Z KC2017 10 14.24917 22 48 26.14 +20 44 52.6          19.7 RoEU004691
     K17T04Z KC2017 10 14.25721 22 48 23.36 +20 44 43.4          19.4 RoEU004691
     K17T04Z KC2017 10 14.77291 22 45 36.19 +20 34 52.7          19.6  oEU004K88
     K17T04Z KC2017 10 14.77781 22 45 34.44 +20 34 47.3          19.5  oEU004K88
     K17T04Z KC2017 10 14.78273 22 45 32.69 +20 34 41.4          19.6  oEU004K88
     K17T04Z KC2017 10 15.00045 22 44 15.12 +20 30 20.1                UEU004204
     K17T04Z KC2017 10 15.01106 22 44 11.32 +20 30 06.5                UEU004204
     K17T04Z KC2017 10 15.02148 22 44 07.62 +20 29 52.8          20.0 GUEU004204
     K17T04Z  C2017 10 15.10904 22 43 42.18 +20 28 26.9          19.9 GUEU004I52
     K17T04Z  C2017 10 15.10980 22 43 41.95 +20 28 26.3          20.0 GUEU004I52
     K17T04Z  C2017 10 15.11056 22 43 41.65 +20 28 25.2          20.1 GUEU004I52
     K17T04Z  C2017 10 15.11132 22 43 41.37 +20 28 24.2          19.8 GUEU004I52
     K17T04Z  C2017 10 15.32167 22 42 22.60 +20 24 00.0          20.1 RoEU004926
     K17T04Z  C2017 10 15.32889 22 42 19.98 +20 23 49.5          20.0 RoEU004926
     K17T04Z  C2017 10 15.33611 22 42 17.33 +20 23 39.9          20.0 RoEU004926
     K17T04Z FC2017 10 15.79975 22 39 33.76 +20 13 16.5                qEU004246
     K17T04Z FC2017 10 15.80253 22 39 32.68 +20 13 13.9          19.7 RqEU004246
     K17T04Z KC2017 10 15.83772 22 39 19.17 +20 12 25.0          19.8 RUEU004K87
     K17T04Z KC2017 10 15.84450 22 39 16.54 +20 12 15.4          20.0 RUEU004K87
     K17T04Z KC2017 10 15.84969 22 39 14.52 +20 12 08.1          19.9 RUEU004K87
     K17T04Z KC2017 10 15.87519 22 39 04.55 +20 11 33.0          20.5 RUEU004K87
 
Observer details:
104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
    P. Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + CCD.
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.60-m f/4.64 reflector
    + CCD.
246 Klet Observatory-KLENOT.  Observers M. Tichy, J. Ticha.  Measurer M. Tichy.
    1.06-m KLENOT Telescope + CCD.
691 Steward Observatory, Kitt Peak.  Observer T. H. Bressi.  0.9-m f/3
    reflector + CCD.
926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
    M. Schwartz.  0.81-m f/7 Ritchey-Chretien + CCD.
B04 OAVdA, Saint-Barthelemy.  Observers A. Carbognani, C. Marcatelli.  0.81-m
    f/4.7 reflector + CCD.
G96 Mt. Lemmon Survey.  Observer J. A. Johnson.  Measurers E. J. Christensen,
    D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
    S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
    1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer R. G. Matheny.
    Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
    J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny,
    R. L. Seaman, F. C. Shelly.  1.0-m reflector + CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli.  Observer R. Bacci.  0.40-m
    f/3.2 Newtonian reflector + CCD.
K87 Dettelbach Vineyard Observatory.  Observer B. Haeusler.  0.30-m
    Schmidt-Cassegrain + CCD.
K88 GINOP-KHK, Piszkesteto.  Observer K. Sarneczky.  0.60-m Schmidt + CCD.
 
Orbital elements:
2017 TZ4                                                 Earth MOID = 0.0217 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 325.88421              (2000.0)            P               Q
n   0.35909028     Peri.  231.07655     -0.03968802     -0.99531497
a   1.9603500      Node   221.46106     +0.95302627     -0.01119045
e   0.5901405      Incl.    7.65204     +0.30027619     -0.09603589
P   2.74           H   23.2           G   0.15           U   6
Residuals in seconds of arc
171013 G96  0.2+  0.2-    171013 B04  0.1-  0.3+    171015 I52  0.4+  0.0
171013 G96  0.0   0.4-    171013 104  0.2-  0.0     171015 I52  0.1+  0.2-
171013 G96  0.3+  0.2-    171013 104  0.1+  0.5-    171015 I52  0.1+  0.3-
171013 G96  0.1+  0.1-    171013 104  0.0   0.0     171015 926  1.0-  0.5+
171013 G96  0.0   0.0     171014 691  0.2-  0.2+    171015 926  0.2-  0.1-
171013 G96  0.2+  0.1+    171014 691  0.1+  0.4+    171015 926  0.1+  0.2+
171013 G96  0.2-  0.2-    171014 691  0.0   0.1+    171015 246  0.3-  0.9-
171013 G96  0.2+  0.2-    171014 K88  0.3+  0.5+    171015 246  0.3-  0.2+
171013 K63  0.6-  0.3+    171014 K88  0.2+  0.7+    171015 K87  0.1-  0.2+
171013 K63  0.5-  0.0     171014 K88  0.2+  0.3+    171015 K87  0.2+  0.1-
171013 K63  0.1-  0.2+    171015 204  0.3+  0.1-    171015 K87  0.4+  0.2-
171013 B04  0.3+  0.0     171015 204  0.1+  0.1-    171015 K87  0.7+  0.1+
171013 B04  0.1+  0.0     171015 204  0.2+  0.3-
171013 B04  0.4+  0.2+    171015 I52  0.4-  0.2-

Ephemeris:
2017 TZ4                 a,e,i = 1.96, 0.59, 8                   q = 0.8035
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 09 16    23 56 19.6 +21 07 08   0.3788  1.3593   155.5    17.8    22.7
...
2017 10 01    23 33 55.9 +22 10 59   0.2394  1.2248   156.8    18.8    21.5
...
2017 10 09    23 11 26.6 +21 47 35   0.1748  1.1535   150.0    25.7    20.9
...
2017 10 15    22 44 18.1 +20 30 56   0.1304  1.1011   140.6    35.1    20.4
2017 10 16    22 38 18.7 +20 09 15   0.1233  1.0924   138.6    37.2    20.3
2017 10 17    22 31 43.8 +19 43 48   0.1164  1.0838   136.3    39.4    20.3
...
2017 10 23    21 33 07.1 +14 57 13   0.07797 1.0334   117.6    58.6    19.8
...
2017 10 31    18 28 19.5 -06 15 45   0.04946 0.9700    61.3   116.1    21.2
...
2017 11 15    13 59 09.9 -25 12 41   0.1275  0.8706    20.1   157.1    28.5

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-U04




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