• MPC Preparation (Info)

    • MPEC 2017-K20 : 2017 KE3

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    M.P.E.C. 2017-K20                                Issued 2017 May 21, 03:11 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 KE3

Observations:
     K17K03E* C2017 05 17.35200 15 26 39.054-04 54 16.11         20.7 wLEK020F51
     K17K03E  C2017 05 17.36493 15 26 38.130-04 54 09.27         20.6 wLEK020F51
     K17K03E  C2017 05 17.37789 15 26 37.219-04 54 02.45         20.7 wLEK020F51
     K17K03E  C2017 05 17.39090 15 26 36.291-04 53 55.45         20.7 wLEK020F51
     K17K03E  C2017 05 18.04141515 25 51.99 -04 48 03.1          20.6 GUEK020K93
     K17K03E  C2017 05 18.04403215 25 51.80 -04 48 01.8          21.0 GUEK020K93
     K17K03E  C2017 05 18.04664615 25 51.64 -04 48 00.3          20.6 GUEK020K93
     K17K03E  C2017 05 18.04926915 25 51.45 -04 47 59.0          20.5 GUEK020K93
     K17K03E HC2017 05 18.39415 15 25 28.18 -04 45 08.4          20.4 RoEK020691
     K17K03E HC2017 05 18.40106 15 25 27.68 -04 45 04.9          20.3 RoEK020691
     K17K03E HC2017 05 19.29245 15 24 27.54 -04 37 23.1          20.7 RoEK020691
     K17K03E HC2017 05 19.30041 15 24 26.94 -04 37 19.0          20.5 RoEK020691
     K17K03E HC2017 05 19.30841 15 24 26.39 -04 37 14.9          20.5 RoEK020691
     K17K03E  C2017 05 20.28380 15 23 19.86 -04 28 58.3          20.7 VoEK020691
     K17K03E  C2017 05 20.28736 15 23 19.60 -04 28 56.2          20.2 RoEK020926
     K17K03E  C2017 05 20.29300 15 23 19.21 -04 28 53.4          20.8 VoEK020691
     K17K03E  C2017 05 20.30220 15 23 18.55 -04 28 48.8          21.0 VoEK020691
     K17K03E  C2017 05 20.30304 15 23 18.47 -04 28 48.6          20.0 RoEK020926
     K17K03E  C2017 05 20.32138 15 23 17.15 -04 28 38.9          20.1 RoEK020926

Observer details:
691 Steward Observatory, Kitt Peak.  Observer A. F. Tubbiolo.  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.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Goggia, 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.
K93 Sutherland-LCOGT C.  Observers T. Lister, S. Greenstreet, E. Gomez,
    J. MacFarlane.  Measurer T. Lister.  1.0-m f/8 Ritchey-Chretien + CCD.

Orbital elements:
2017 KE3                                                 Earth MOID = 0.2773 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 350.61215              (2000.0)            P               Q
n   0.26578763     Peri.  156.97173     +0.80363554     +0.59447917
a   2.3957760      Node   166.44537     -0.56272577     +0.77418757
e   0.4636548      Incl.    6.77480     -0.19367400     +0.21732033
P   3.71           H   19.0           G   0.15           U   7
Residuals in seconds of arc
170517 F51  0.0   0.0     170518 K93  0.1+  0.2-    170520 926  0.1-  0.0
170517 F51  0.1-  0.0     170518 691  0.0   0.4+    170520 691  0.0   0.0
170517 F51  0.0   0.1-    170518 691  0.2-  0.2+    170520 691  0.1+  0.0
170517 F51  0.1-  0.1+    170519 691  0.3+  0.1+    170520 926  0.1-  0.3-
170518 K93  0.0   0.2-    170519 691  0.2-  0.1+    170520 926  0.1-  0.1+
170518 K93  0.1-  0.3-    170519 691  0.2+  0.1+
170518 K93  0.2+  0.2-    170520 691  0.2-  0.2-

Ephemeris:
2017 KE3                 a,e,i = 2.40, 0.46, 7                   q = 1.2850
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 04 21    15 48 44.4 -08 58 39   1.0843  2.0267   151.9    13.5    21.5
...
2017 05 06    15 38 20.8 -06 40 10   0.9480  1.9400   165.0     7.7    20.9
...
2017 05 14    15 30 19.9 -05 24 32   0.8956  1.8935   166.7     7.0    20.7
...
2017 05 20    15 23 39.3 -04 31 16   0.8658  1.8586   163.6     8.8    20.6
2017 05 21    15 22 30.8 -04 22 54   0.8616  1.8528   162.8     9.3    20.6
2017 05 22    15 21 22.2 -04 14 42   0.8577  1.8470   162.0     9.8    20.6
...
2017 05 28    15 14 32.5 -03 29 53   0.8383  1.8122   156.2    13.1    20.7
...
2017 06 05    15 06 05.4 -02 44 47   0.8234  1.7659   147.6    17.9    20.7
...
2017 06 20    14 54 54.3 -02 15 57   0.8228  1.6805   131.8    26.8    20.9

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-K20

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