• MPC Preparation (Info)

    • MPEC 2017-E33 : 2017 EF

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    Read MPEC 2017-E32 Read MPEC 2017-E34 

    M.P.E.C. 2017-E33                                Issued 2017 Mar. 4, 17:29 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 EF

Observations:
     K17E00F  C2017 02 27.37465 08 55 51.611+06 04 14.45         21.9 wLEE033F51
     K17E00F* C2017 03 02.21673 09 38 03.73 +05 41 20.5          21.0 rREE033G45
     K17E00F  C2017 03 02.22186 09 38 09.67 +05 41 15.5          21.4 rREE033G45
     K17E00F  C2017 03 02.23701 09 38 27.45 +05 41 04.3          21.0 rREE033G45
     K17E00F  C2017 03 02.24200 09 38 33.27 +05 41 00.3          20.6 rREE033G45
     K17E00F  C2017 03 02.24261 09 38 34.00 +05 40 58.7          20.7 rREE033G45
     K17E00F  C2017 03 02.36042609 40 55.29 +05 39 12.7          20.7 GUEE033H01
     K17E00F  C2017 03 02.36649009 41 02.77 +05 39 06.8          20.1 GUEE033H01
     K17E00F  C2017 03 02.40884809 41 55.74 +05 38 24.7          20.1 GUEE033H01
     K17E00F  C2017 03 02.41497009 42 03.50 +05 38 18.5          20.3 GUEE033H01
     K17E00F KC2017 03 02.95248909 54 59.38 +05 34 23.0          20.3 GUEE033K91
     K17E00F KC2017 03 02.95659509 55 05.31 +05 34 18.3          20.5 GUEE033K91
     K17E00F KC2017 03 02.96071809 55 11.28 +05 34 13.1          20.2 GUEE033K91
     K17E00F  C2017 03 03.08990409 58 54.15 +05 26 12.4          19.6 GUEE033H01
     K17E00F  C2017 03 03.09667809 59 04.71 +05 26 04.7          19.9 GUEE033H01
     K17E00F  C2017 03 03.12243709 59 44.82 +05 25 34.9          20.0 GUEE033H01
     K17E00F  C2017 03 03.12640309 59 51.00 +05 25 30.3          20.1 GUEE033H01
     K17E00F KC2017 03 03.89177 10 22 50.30 +05 04 55.0          19.1  tEE033104
     K17E00F KC2017 03 03.89590 10 22 58.28 +05 04 47.5          19.6  tEE033104
     K17E00F KC2017 03 03.90003 10 23 06.26 +05 04 40.1          19.6  tEE033104
     K17E00F KC2017 03 04.39905 10 40 56.25 +04 47 48.0          19.3 RoEE033291
     K17E00F KC2017 03 04.39957 10 40 57.41 +04 47 46.7          19.1 RoEE033291
     K17E00F KC2017 03 04.40010 10 40 58.59 +04 47 45.4          19.1 RoEE033291

Observer details:
104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
    P. Bacci, L. Tesi, G. Fagioli.  0.60-m f/4 reflector + CCD.
291 LPL/Spacewatch II.  Observer R. S. McMillan.  1.8-m f/2.7 reflector + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers B. Gibson, T. Goggia, S. Kahale,
    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.
G45 Space Surveillance Telescope, Atom Site.  Observers M. Blythe, R. Brungard,
    P. Festler, T. McVey, J. Paige, G. Spitz.  Measurers M. Cornell, A. Klein,
    J. Ruprecht, G. Ushomirsky, J. Varey, D. Woods.  3.5-m f/1 reflector + CCD.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
K91 Sutherland-LCOGT A.  Observers T. Lister, S. Greenstreet, E. Gomez.
    Measurer T. Lister.  1.0-m f/8 Ritchey-Chretien + CCD.

Orbital elements:
2017 EF                                                  Earth MOID = 0.0109 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
M 353.19276              (2000.0)            P               Q
n   0.21032349     Peri.   18.95821     -0.99763099     +0.06632632
a   2.8003407      Node   164.81022     -0.06860505     -0.93967292
e   0.6456924      Incl.    3.99495     -0.00507443     -0.33558253
P   4.69           H   27.2           G   0.15           U   6
Residuals in seconds of arc
170227 F51  1.8-  0.5+    170302 H01  0.1+  0.1+    170303 H01  0.0   0.1+
170302 G45  0.1+  0.3+    170302 H01  0.0   0.1+    170303 104  0.3-  0.3-
170302 G45  0.6-  0.6-    170302 K91  0.2-  0.1+    170303 104  0.2-  0.2-
170302 G45  0.4+  0.5+    170302 K91  0.1-  0.2+    170303 104  0.2-  0.0
170302 G45  0.0   0.6+    170302 K91  0.0   0.1-    170304 291  0.0   0.0
170302 G45  0.2+  0.5-    170303 H01  0.3-  0.1+    170304 291  0.0   0.0
170302 H01  0.1-  0.1+    170303 H01  0.2-  0.1+    170304 291  0.1-  0.1+
170302 H01  0.0   0.1+    170303 H01  0.2-  0.1+

Ephemeris:
2017 EF                  a,e,i = 2.80, 0.65, 4                   q = 0.9922
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 02 02    07 59 25.4 +06 58 29   0.1970  1.1742   161.7    15.3    24.9
...
2017 02 17    08 08 47.8 +06 22 50   0.1048  1.0814   151.6    25.8    23.6
...
2017 02 25    08 36 31.4 +06 11 38   0.06033 1.0431   151.1    27.3    22.4
...
2017 03 03    09 56 16.2 +05 30 34   0.03044 1.0208   165.3    14.2    20.5
2017 03 04    10 26 24.6 +05 04 58   0.02635 1.0177   171.8     7.9    19.9
2017 03 05    11 06 34.2 +04 22 49   0.02288 1.0147   177.9     2.0    19.3
...
2017 03 11    16 26 30.7 -03 36 23   0.02790 1.0005   104.2    74.2    22.0
...
2017 03 19    18 13 03.6 -05 29 51   0.06651 0.9921    85.2    91.0    24.5
...
2017 04 03    18 51 20.1 -05 53 04   0.1422  1.0095    89.8    82.1    25.9

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-E33

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