[Iaude] MPEC U251: 2017 UM7 [a=1.31,e=0.19,i=35.6,H=24.6]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sat Oct 28 21:59:48 EDT 2017


M.P.E.C. 2017-U251                               Issued 2017 Oct. 29, 01:56 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 at CFA.HARVARD.EDU
            URL http://www.minorplanetcenter.net/    ISSN 1523-6714


                                   2017 UM7
 
Observations:
     K17U07M  C2017 10 22.50475 02 53 52.461-19 52 10.00         20.6 wLEU251F51
     K17U07M  C2017 10 22.51773 02 53 40.605-19 48 35.64         21.1 wLEU251F51
     K17U07M  C2017 10 22.53068 02 53 28.795-19 45 02.56         20.4 wLEU251F51
     K17U07M* C2017 10 25.32636 02 10 34.04 -05 05 08.9          20.5 GUEU251G96
     K17U07M  C2017 10 25.33156 02 10 28.83 -05 03 20.1          20.6 GUEU251G96
     K17U07M  C2017 10 25.33675 02 10 23.75 -05 01 31.2          20.5 GUEU251G96
     K17U07M  C2017 10 25.34197 02 10 18.53 -04 59 43.2          20.6 GUEU251G96
     K17U07M  C2017 10 25.38064702 09 39.94 -04 46 18.4          20.1 GUEU251H01
     K17U07M  C2017 10 25.38836402 09 32.30 -04 43 37.2          20.6 GUEU251H01
     K17U07M  C2017 10 25.40454202 09 16.39 -04 37 58.3          19.5 GUEU251H01
     K17U07M  C2017 10 25.42675 02 08 54.73 -04 30 12.6          19.6 GUEU251I52
     K17U07M  C2017 10 25.42840 02 08 53.06 -04 29 38.0          19.9 GUEU251I52
     K17U07M  C2017 10 25.43007 02 08 51.40 -04 29 02.7          19.8 GUEU251I52
     K17U07M  C2017 10 26.13060 01 57 45.75 -00 22 32.0                UEU251I52
     K17U07M  C2017 10 26.13170 01 57 44.71 -00 22 09.3                UEU251I52
     K17U07M  C2017 10 26.13280 01 57 43.59 -00 21 45.0          20.4 GUEU251I52
     K17U07M  C2017 10 26.13389 01 57 42.51 -00 21 22.6                UEU251I52
     K17U07M  C2017 10 26.19514 01 56 41.86 +00 00 22.1                oEU251926
     K17U07M  C2017 10 26.19787 01 56 39.10 +00 01 20.2                oEU251926
     K17U07M  C2017 10 26.20059 01 56 36.41 +00 02 17.8                oEU251926
     K17U07M KC2017 10 26.21122801 56 23.55 +00 05 52.6          20.4 VuEU251H21
     K17U07M KC2017 10 26.21667301 56 18.09 +00 07 48.7          20.5 VuEU251H21
     K17U07M KC2017 10 26.22368701 56 11.09 +00 10 18.0          20.2 VuEU251H21
     K17U07M  C2017 10 26.34272 01 54 13.94 +00 52 42.3          20.2 GUEU251I52
     K17U07M  C2017 10 26.34382 01 54 12.84 +00 53 05.5          19.9 GUEU251I52
     K17U07M  C2017 10 26.34491 01 54 11.73 +00 53 29.2          20.4 GUEU251I52
     K17U07M KC2017 10 28.01273 01 27 20.43 +10 36 26.0                UEU251J95
     K17U07M KC2017 10 28.01763 01 27 15.60 +10 38 04.8          20.5 GUEU251J95
     K17U07M  C2017 10 28.12928 01 25 34.24 +11 16 09.3          20.4 GUEU251V06
     K17U07M  C2017 10 28.12955 01 25 33.98 +11 16 14.6          20.7 GUEU251V06
     K17U07M  C2017 10 28.12982 01 25 33.69 +11 16 20.7          19.7 GUEU251V06
     K17U07M  C2017 10 28.13010 01 25 33.42 +11 16 25.8          20.4 GUEU251V06
 
Observer details:
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.
G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  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.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.76-m f/3.0
    astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer D. C. Fuls.  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.
J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
    + CCD.
V06 Catalina Sky Survey-Kuiper.  Observer E. J. Christensen.  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.  1.55-m reflector + CCD.
 
Orbital elements:
2017 UM7                                                 Earth MOID = 0.0868 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 338.78680              (2000.0)            P               Q
n   0.65367387     Peri.  339.42083     +0.93834556     -0.12766310
a   1.3149078      Node    33.53033     +0.33708868     +0.54400663
e   0.1862355      Incl.   35.56309     -0.07667361     +0.82931232
P   1.51           H   24.6           G   0.15           U   7
Residuals in seconds of arc
171022 F51  0.3+  0.5-    171025 I52  0.1+  0.1-    171026 H21  0.1-  0.0
171022 F51  0.1-  0.4+    171025 I52  0.1-  0.3+    171026 I52  0.0   0.1-
171022 F51  0.3-  0.0     171026 I52  0.3-  0.1+    171026 I52  0.0   0.3-
171025 G96  0.3+  0.4-    171026 I52  0.3+  0.6-    171026 I52  0.3-  0.2+
171025 G96  0.4-  0.1+    171026 I52  0.2-  0.3+    171028 J95  0.1-  0.5+
171025 G96  0.6+  0.9+    171026 I52  0.3-  0.4-    171028 J95  0.2-  0.2-
171025 G96  0.0   0.1+    171026 926  0.3+  0.1+    171028 V06  0.5+  0.3-
171025 H01  0.1+  0.1-    171026 926  0.3-  0.1+    171028 V06  0.5+  0.5-
171025 H01  0.2-  0.1-    171026 926  0.0   0.2-    171028 V06  0.2+  0.1+
171025 H01  0.6+  0.6+    171026 H21  0.1-  0.3-    171028 V06  0.2+  0.4-
171025 I52  0.8+  0.1-    171026 H21  0.3-  0.0

Ephemeris:
2017 UM7                 a,e,i = 1.31, 0.19, 36                  q = 1.0700
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 09 29    05 38 43.2 -50 26 41   0.3028  1.0714    95.0    68.7    24.6
...
2017 10 14    04 29 35.2 -42 02 45   0.1612  1.0714   113.2    58.8    22.9
...
2017 10 22    03 01 10.3 -22 04 59   0.09974 1.0758   142.2    34.6    21.2
...
2017 10 28    01 27 34.7 +10 32 55   0.08877 1.0810   169.6     9.6    20.1
2017 10 29    01 11 43.2 +16 00 30   0.09159 1.0821   165.0    13.8    20.4
2017 10 30    00 56 15.9 +21 00 24   0.09562 1.0831   159.5    18.8    20.6
...
2017 11 05    23 38 07.3 +40 12 51   0.1371  1.0905   133.5    41.2    22.1
...
2017 11 13    22 36 19.7 +49 14 56   0.2122  1.1025   117.1    53.1    23.4
...
2017 11 28    21 54 16.9 +54 16 39   0.3623  1.1312   104.2    57.7    24.7

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-U251



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