• MPC Preparation (Info)

    • MPEC 2017-W65 : 2017 WZ

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    M.P.E.C. 2017-W65                                Issued 2017 Nov. 19, 18:46 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@CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                    2017 WZ

Observations:
     K17W00Z* C2017 11 17.35517 01 32 47.646-01 28 20.88         21.2 wLEW065F51
     K17W00Z  C2017 11 17.36561 01 32 47.486-01 27 43.81         21.1 wLEW065F51
     K17W00Z  C2017 11 17.37603 01 32 47.324-01 27 06.73         20.9 wLEW065F51
     K17W00Z  C2017 11 18.15403 01 32 59.90 -00 40 28.0          20.4 RoEW065926
     K17W00Z |C2017 11 18.15567 01 32 57.13 -00 39 11.8          20.4 GUEW065807
     K17W00Z  C2017 11 18.15758 01 32 59.84 -00 40 16.6          20.3 RoEW065926
     K17W00Z |C2017 11 18.15988 01 32 57.11 -00 38 56.4          20.3 GUEW065807
     K17W00Z  C2017 11 18.16114 01 32 59.86 -00 40 04.0          20.1 RoEW065926
     K17W00Z |C2017 11 18.16421 01 32 57.09 -00 38 40.2          20.6 GUEW065807
     K17W00Z _C2017 11 18.31514301 33 01.517-00 30 22.53         20.9 GUEW065568
     K17W00Z _C2017 11 18.31608601 33 01.503-00 30 18.93         20.8 GUEW065568
     K17W00Z  C2017 11 19.11721 01 33 17.14 +00 19 39.6          20.7 GUEW065I52
     K17W00Z  C2017 11 19.11971 01 33 17.13 +00 19 48.9          20.8 GUEW065I52
     K17W00Z  C2017 11 19.12095 01 33 17.18 +00 19 54.3          20.6 GUEW065I52
     K17W00Z  C2017 11 19.12619 01 33 17.14 +00 20 15.9          20.4 RoEW065926
     K17W00Z  C2017 11 19.13348 01 33 17.16 +00 20 43.1          21.3 RoEW065926
     K17W00Z  C2017 11 19.14078 01 33 17.12 +00 21 11.3          20.3 RoEW065926

Observer details:
568 Mauna Kea.  Observers R. J. Wainscoat, L. Wells.  Measurers M. Micheli,
    R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
    + CCD.
926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
    M. Schwartz.  0.81-m f/7 Ritchey-Chretien + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
    M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
    M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters, R. Weryk.  1.8-m
    Ritchey-Chretien + 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.

Orbital elements:
2017 WZ                                                  Earth MOID = 0.0855 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 317.42243              (2000.0)            P               Q
n   0.43212481     Peri.   15.00083     +0.24024185     -0.96490886
a   1.7327261      Node    61.19663     +0.87769475     +0.16927927
e   0.3844225      Incl.    6.94748     +0.41465139     +0.20073721
P   2.28           H   23.9           G   0.15           U   6
Residuals in seconds of arc
171117 F51  0.1-  0.1-    171118 807  0.2+  0.1-    171119 I52  0.4-  0.5-
171117 F51  0.1-  0.0     171118 926  0.4+  1.2-    171119 I52  0.4+  0.1+
171117 F51  0.1-  0.1+    171118 807  0.5+  0.2+    171119 926  0.5-  0.6+
171118 926  0.1+  0.9+    171118 568  0.2+  0.1+    171119 926  0.1+  0.1-
171118 807  0.1-  0.0     171118 568  0.2+  0.2+    171119 926  0.1-  0.2+
171118 926  0.4-  0.7-    171119 I52  0.3-  0.3-

Ephemeris:
2017 WZ                  a,e,i = 1.73, 0.38, 7                   q = 1.0666
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 10 20    01 42 19.0 -14 58 40   0.2113  1.1903   154.8    20.9    21.9
...
2017 11 04    01 35 05.8 -11 00 36   0.1604  1.1330   149.6    26.3    21.4
...
2017 11 12    01 32 43.7 -06 07 49   0.1392  1.1086   146.5    29.5    21.1
...
2017 11 18    01 32 56.2 -00 49 19   0.1262  1.0936   144.4    31.7    20.9
2017 11 19    01 33 12.7 +00 12 47   0.1243  1.0914   144.1    32.1    20.9
2017 11 20    01 33 34.0 +01 17 31   0.1224  1.0893   143.8    32.4    20.9
...
2017 11 26    01 37 40.1 +08 40 17   0.1132  1.0785   142.1    34.2    20.8
...
2017 12 04    01 49 43.2 +20 34 01   0.1062  1.0694   140.2    36.1    20.7
...
2017 12 19    02 41 15.6 +43 33 01   0.1129  1.0694   137.1    38.8    20.9

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-W65

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