• Processing (Info)

    • MPEC 2017-Q92 : 2017 QN16

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    M.P.E.C. 2017-Q92                                Issued 2017 Aug. 23, 10:33 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 QN16

Observations:
     K17Q16N  C2017 07 25.51650 22 23 29.749-02 24 55.12         22.6 wLEQ092F51
     K17Q16N  C2017 07 25.52708 22 23 29.382-02 25 07.65         22.9 wLEQ092F51
     K17Q16N  C2017 07 25.53765 22 23 29.007-02 25 20.56         22.2 wLEQ092F51
     K17Q16N  C2017 07 25.54823 22 23 28.63 -02 25 33.0          22.5 wLEQ092F51
     K17Q16N* C2017 08 17.37537 22 01 07.664-12 45 54.26         21.6 wLEQ092F51
     K17Q16N  C2017 08 17.39014 22 01 06.343-12 46 22.97         21.4 wLEQ092F51
     K17Q16N  C2017 08 17.40491 22 01 05.033-12 46 51.48         21.4 wLEQ092F51
     K17Q16N  C2017 08 17.41966 22 01 03.729-12 47 19.80         21.4 wLEQ092F51
     K17Q16N  C2017 08 17.42556 22 01 03.214-12 47 31.29         21.2 wLEQ092F51
     K17Q16N  C2017 08 17.43653 22 01 02.231-12 47 52.35         21.3 wLEQ092F51
     K17Q16N  C2017 08 17.44750 22 01 01.263-12 48 13.43         21.4 wLEQ092F51
     K17Q16N  C2017 08 17.45846 22 01 00.287-12 48 34.81         21.3 wLEQ092F51
     K17Q16N KC2017 08 18.29626 21 59 51.63 -13 15 32.1                oEQ092291
     K17Q16N KC2017 08 18.30389 21 59 51.02 -13 15 45.6          20.2 RoEQ092291
     K17Q16N KC2017 08 18.31151 21 59 50.31 -13 16 01.4          20.0 RoEQ092291
     K17Q16N _C2017 08 18.39382521 59 43.821-13 18 36.56         20.8 GUEQ092568
     K17Q16N _C2017 08 18.39505021 59 43.708-13 18 38.98         20.7 GUEQ092568
     K17Q16N _C2017 08 18.39600521 59 43.623-13 18 40.81         20.7 GUEQ092568
     K17Q16N  C2017 08 19.38183 21 58 21.842-13 50 24.22         21.3 wLEQ092F51
     K17Q16N  C2017 08 19.39661 21 58 20.500-13 50 52.82         21.1 wLEQ092F51
     K17Q16N  C2017 08 19.41136 21 58 19.172-13 51 21.40         21.3 wLEQ092F51
     K17Q16N |C2017 08 22.16330 21 54 27.56 -15 19 35.3          21.5 VuEQ092807
     K17Q16N |C2017 08 22.16670 21 54 27.23 -15 19 41.8          21.3 VuEQ092807
     K17Q16N |C2017 08 22.17015 21 54 26.90 -15 19 48.5          21.4 VuEQ092807

Observer details:
291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
568 Mauna Kea.  Observers R. J. Wainscoat, D. Woodworth.  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.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
    M. Willman, T. Goggia.  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.

Orbital elements:
2017 QN16                                                Earth MOID = 0.1818 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 217.32370              (2000.0)            P               Q
n   0.63697446     Peri.  340.45875     -0.58343001     -0.79924188
a   1.3377903      Node   144.80148     +0.77448212     -0.60099972
e   0.1321340      Incl.   14.49753     +0.24451356     -0.00342788
P   1.55           H   21.6           G   0.15           U   5
Residuals in seconds of arc
170725 F51  0.0   0.0     170817 F51  0.1+  0.0     170818 568  0.0   0.1-
170725 F51  0.1+  0.1+    170817 F51  0.0   0.1+    170818 568  0.0   0.1-
170725 F51  0.0   0.2-    170817 F51  0.1+  0.1+    170819 F51  0.1+  0.0
170725 F51  0.1-  0.1+    170817 F51  0.1+  0.2-    170819 F51  0.0   0.0
170817 F51  0.1+  0.2+    170818 291  0.9-  0.8-    170819 F51  0.1+  0.0
170817 F51  0.1-  0.0     170818 291  0.1+  0.5+    170822 807  0.3+  0.1+
170817 F51  0.1-  0.0     170818 291  0.3-  0.6-    170822 807  0.0   0.1+
170817 F51  0.0   0.1+    170818 568  0.0   0.1-    170822 807  0.2-  0.0

Ephemeris:
2017 QN16                a,e,i = 1.34, 0.13, 14                  q = 1.1610
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 07 24    22 24 10.3 -01 55 25   0.5705  1.5122   143.3    23.7    22.4
...
2017 08 08    22 12 44.8 -07 57 07   0.5071  1.5061   162.9    11.4    21.7
...
2017 08 16    22 02 58.4 -12 01 47   0.4902  1.5013   174.5     3.7    21.3
...
2017 08 22    21 54 41.2 -15 14 24   0.4863  1.4970   175.9     2.7    21.2
2017 08 23    21 53 16.6 -15 46 24   0.4865  1.4962   174.5     3.7    21.3
2017 08 24    21 51 51.9 -16 18 13   0.4868  1.4954   173.0     4.7    21.3
...
2017 08 30    21 43 35.5 -19 22 55   0.4933  1.4904   164.2    10.6    21.6
...
2017 09 07    21 33 55.0 -23 01 35   0.5129  1.4828   152.9    18.1    21.9
...
2017 09 22    21 23 37.7 -27 53 34   0.5766  1.4659   134.3    29.3    22.5

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-Q92

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