• MPC Preparation (Info)

    • MPEC 2017-Y125: 2017 YQ5

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    M.P.E.C. 2017-Y125                               Issued 2017 Dec. 27, 20:38 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 YQ5

Observations:
     K17Y05Q* C2017 12 25.55099 07 41 29.555+31 40 33.72         21.4 wUEY125F51
     K17Y05Q  C2017 12 25.56311 07 41 27.523+31 42 10.77         21.3 wUEY125F51
     K17Y05Q  C2017 12 25.57523 07 41 25.497+31 43 47.82         21.6 wUEY125F51
     K17Y05Q  C2017 12 26.26730 07 39 49.42 +33 18 04.4          21.1 GUEY125I52
     K17Y05Q  C2017 12 26.26896 07 39 49.10 +33 18 17.4          20.8 GUEY125I52
     K17Y05Q  C2017 12 26.33751 07 39 36.88 +33 27 53.4          22.1 RoEY125926
     K17Y05Q  C2017 12 26.34146 07 39 36.15 +33 28 25.4          21.9 RoEY125926
     K17Y05Q  C2017 12 26.34543 07 39 35.40 +33 28 58.8          21.2 RoEY125926
     K17Y05Q KC2017 12 26.46521 07 39 13.73 +33 45 29.1          20.7 RoEY125291
     K17Y05Q KC2017 12 26.46693 07 39 13.41 +33 45 43.1          20.7 RoEY125291
     K17Y05Q KC2017 12 26.46865 07 39 13.15 +33 45 57.5          20.3 RoEY125291
     K17Y05Q  C2017 12 26.48015 07 39 14.419+33 47 52.17         21.8 wUEY125F51
     K17Y05Q  C2017 12 26.49134 07 39 12.305+33 49 26.05         21.4 wUEY125F51
     K17Y05Q  C2017 12 26.50269 07 39 10.184+33 51 00.34         21.1 wUEY125F51
     K17Y05Q  C2017 12 26.51389 07 39 08.076+33 52 33.77         21.9 wUEY125F51
     K17Y05Q KC2017 12 27.30570207 36 59.56 +35 43 38.2          21.3 VuEY125H21
     K17Y05Q KC2017 12 27.31135707 36 58.46 +35 44 26.3          21.1 VuEY125H21

Observer details:
291 LPL/Spacewatch II.  Observer A. F. Tubbiolo.  1.8-m f/2.7 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. 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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.61-m f/4.5
    astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer R. A. Kowalski.
    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 YQ5                                                 Earth MOID = 0.1231 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 124.21918              (2000.0)            P               Q
n   0.98978463     Peri.  142.57704     -0.55539204     +0.77875683
a   0.9971846      Node    91.84350     -0.81595953     -0.44264977
e   0.1682343      Incl.   16.96764     -0.16046719     -0.44452108
P   1.00           H   24.7           G   0.15           U   7
Residuals in seconds of arc
171225 F51  0.2-  0.0     171226 926  0.1+  0.2-    171226 F51  0.1-  0.1+
171225 F51  0.0   0.1-    171226 926  0.3-  0.2+    171226 F51  0.1+  0.2-
171225 F51  0.1+  0.0     171226 291  0.1-  0.3+    171226 F51  0.0   0.1+
171226 I52  0.4+  0.4+    171226 291  0.2-  0.1+    171227 H21  0.4-  0.0
171226 I52  0.1+  0.5-    171226 291  0.3+  0.4+    171227 H21  0.2-  0.1-
171226 926  0.2+  0.8+    171226 F51  0.2+  0.4-

Ephemeris:
2017 YQ5                 a,e,i = 1.00, 0.17, 17                  q = 0.8294
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 11 27    07 51 46.6 -01 26 49   0.2697  1.1510   121.5    46.9    23.9
...
2017 12 12    07 56 21.1 +09 13 25   0.1860  1.1321   139.3    34.6    22.7
...
2017 12 20    07 51 04.2 +20 31 18   0.1502  1.1189   152.2    24.2    22.0
...
2017 12 26    07 40 26.9 +32 41 17   0.1314  1.1076   159.6    18.0    21.5
2017 12 27    07 37 51.1 +35 00 18   0.1292  1.1057   159.9    17.8    21.4
2017 12 28    07 34 57.3 +37 23 12   0.1272  1.1036   159.7    18.0    21.4
...
2018 01 03    07 08 59.4 +52 19 29   0.1219  1.0910   150.4    26.4    21.5
...
2018 01 11    05 50 01.0 +69 30 32   0.1309  1.0725   130.1    44.5    22.1
...
2018 01 26    00 33 35.3 +75 49 11   0.1757  1.0338   101.4    69.0    23.4

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-Y125

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