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    • MPEC 2017-U86 : 2017 UF1

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    M.P.E.C. 2017-U86                                Issued 2017 Oct. 19, 17:08 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 UF1

Observations:
     K17U01F* C2017 10 16.29978 02 17 30.16 +04 17 51.0          20.1 GUEU086G96
     K17U01F  C2017 10 16.30505 02 17 23.16 +04 18 53.6          20.3 GUEU086G96
     K17U01F  C2017 10 16.31030 02 17 16.07 +04 19 56.9          19.9 GUEU086G96
     K17U01F  C2017 10 16.31552 02 17 08.99 +04 21 01.0          20.9 GUEU086G96
     K17U01F  C2017 10 16.48718 02 13 26.75 +04 54 18.5          20.6 GUEU086G96
     K17U01F  C2017 10 16.48758 02 13 26.28 +04 54 23.8          20.1 GUEU086G96
     K17U01F  C2017 10 16.48799 02 13 25.71 +04 54 28.2          20.9 GUEU086G96
     K17U01F  C2017 10 16.48840 02 13 25.20 +04 54 33.8          19.4 GUEU086G96
     K17U01F  C2017 10 16.50943 02 12 59.12 +04 58 30.6          20.6 GUEU086I52
     K17U01F  C2017 10 16.51088 02 12 57.31 +04 58 46.6          21.1 GUEU086I52
     K17U01F  C2017 10 16.51234 02 12 55.55 +04 59 03.4          20.4 GUEU086I52
     K17U01F  C2017 10 16.51379 02 12 53.77 +04 59 19.6          20.2 GUEU086I52
     K17U01F  C2017 10 17.33001 01 58 00.43 +07 19 57.0          20.4 RoEU086926
     K17U01F  C2017 10 17.33342 01 57 56.81 +07 20 28.6          20.2 RoEU086926
     K17U01F  C2017 10 17.33686 01 57 53.06 +07 21 00.9          20.6 RoEU086926
     K17U01F KC2017 10 18.31915 01 42 55.86 +09 37 12.8          20.8 RoEU086291
     K17U01F KC2017 10 18.31996 01 42 55.17 +09 37 18.7          21.0 RoEU086291
     K17U01F  C2017 10 19.41168 01 29 19.91 +11 36 30.3          20.8 RoEU086926
     K17U01F  C2017 10 19.41525 01 29 17.39 +11 36 50.3          20.7 RoEU086926
     K17U01F  C2017 10 19.41881 01 29 14.89 +11 37 10.8          20.4 RoEU086926

Observer details:
291 LPL/Spacewatch II.  Observer R. A. Mastaler.  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.
G96 Mt. Lemmon Survey.  Observer A. D. Grauer.  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.
    1.5-m reflector + 10K 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 UF1                                                 Earth MOID = 0.0250 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M  31.60772              (2000.0)            P               Q
n   0.95036835     Peri.  244.48106     -0.01121228     +0.99648669
a   1.0245695      Node    25.29729     -0.83349653     +0.03654065
e   0.3615947      Incl.   11.19973     -0.55241092     -0.07535946
P   1.04           H   26.6           G   0.15           U   8
Residuals in seconds of arc
171016 G96  0.1+  0.4+    171016 G96  0.6-  1.0+    171017 926  0.2-  0.2+
171016 G96  0.5+  0.1-    171016 I52  0.2+  0.5-    171018 291  0.2-  0.3+
171016 G96  1.0-  0.4+    171016 I52  0.1-  0.9-    171018 291  0.1+  0.2+
171016 G96 (3.1-  2.1+)   171016 I52  0.5+  0.5-    171019 926  0.0   0.2-
171016 G96  0.3-  0.4-    171016 I52  0.7+  0.7-    171019 926  0.1-  0.5-
171016 G96  0.2+  0.4+    171017 926  0.0   0.1+    171019 926  0.1-  0.2-
171016 G96  0.7-  0.1+    171017 926  0.6+  0.1-

Ephemeris:
2017 UF1                 a,e,i = 1.02, 0.36, 11                  q = 0.6541
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 09 19    11 00 54.6 -27 01 04   0.1663  0.8655    30.5   143.9    29.8
...
2017 10 04    09 28 29.4 -32 13 49   0.06231 0.9638    52.6   124.4    25.7
...
2017 10 12    04 44 39.2 -17 46 27   0.03107 1.0145   121.1    57.4    21.2
...
2017 10 18    01 47 29.3 +08 57 17   0.05475 1.0510   175.9     3.9    20.8
2017 10 19    01 34 11.6 +10 55 46   0.06086 1.0570   178.9     1.0    20.8
2017 10 20    01 23 14.3 +12 30 36   0.06722 1.0629   175.6     4.1    21.2
...
2017 10 26    00 45 29.5 +17 35 52   0.1086  1.0974   161.0    17.2    22.9
...
2017 11 03    00 26 57.3 +20 01 44   0.1687  1.1408   149.7    26.0    24.2
...
2017 11 18    00 22 11.5 +21 36 57   0.2916  1.2136   135.4    34.9    25.8

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-U86

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