[Iaude] MPEC W81: 2016 WE7 [a=2.67,e=0.82,i=16.1,H=20.3]

mpec at si.edu mpec at si.edu
Sat Nov 26 00:15:48 EST 2016


M.P.E.C. 2016-W81                                Issued 2016 Nov. 26, 05:12 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


                                   2016 WE7
 
Observations:
     K16W07E  C2016 10 25.55485 03 02 44.531+25 13 31.67         22.6 wLEW081F51
     K16W07E  C2016 10 25.58200 03 02 41.124+25 13 40.81         22.5 wLEW081F51
     K16W07E  C2016 10 25.59566 03 02 39.403+25 13 45.84         21.9 wLEW081F51
     K16W07E* C2016 11 24.21411 01 22 59.26 +25 58 20.0          20.8 VqEW081G96
     K16W07E  C2016 11 24.21839 01 22 58.10 +25 58 18.6          20.9 VqEW081G96
     K16W07E  C2016 11 24.22693 01 22 55.84 +25 58 15.7          21.0 VqEW081G96
     K16W07E  C2016 11 24.29051 01 22 38.87 +25 57 52.8          21.0 VqEW081G96
     K16W07E  C2016 11 24.29281 01 22 38.23 +25 57 51.1          20.9 VqEW081G96
     K16W07E  C2016 11 24.29496 01 22 37.57 +25 57 50.6          22.1 VqEW081G96
     K16W07E  C2016 11 24.29734 01 22 36.99 +25 57 49.6          21.2 VqEW081G96
     K16W07E  C2016 11 24.31712701 22 31.75 +25 57 40.9          20.3 GUEW081H01
     K16W07E  C2016 11 24.32028901 22 30.90 +25 57 39.7          20.2 GUEW081H01
     K16W07E KC2016 11 24.32229 01 22 30.38 +25 57 40.0                oEW081291
     K16W07E KC2016 11 24.32352 01 22 30.02 +25 57 39.3                oEW081291
     K16W07E KC2016 11 24.32477 01 22 29.72 +25 57 39.1                oEW081291
     K16W07E  C2016 11 24.32983701 22 28.38 +25 57 36.0          20.6 GUEW081H01
     K16W07E  C2016 11 24.33805501 22 26.19 +25 57 32.7          20.8 GUEW081H01
     K16W07E  C2016 11 24.36050 01 22 20.22 +25 57 24.2                qEW081I52
     K16W07E  C2016 11 24.36196 01 22 19.87 +25 57 24.3          21.8 VqEW081I52
     K16W07E  C2016 11 24.36342 01 22 19.43 +25 57 23.4          21.8 VqEW081I52
     K16W07E  C2016 11 24.36488 01 22 19.01 +25 57 23.0                qEW081I52
     K16W07E  C2016 11 25.06791 01 19 15.99 +25 53 01.1          20.8 VqEW081I52
     K16W07E  C2016 11 25.06937 01 19 15.62 +25 53 00.9          21.7 VqEW081I52
     K16W07E  C2016 11 25.07083 01 19 15.24 +25 53 00.2          21.1 VqEW081I52
     K16W07E  C2016 11 25.07229 01 19 14.83 +25 52 59.3          21.0 VqEW081I52
     K16W07E  C2016 11 25.07445801 19 14.22 +25 52 58.9          20.8 VtEW081H01
     K16W07E  C2016 11 25.07803801 19 13.26 +25 52 57.5          21.0 VtEW081H01
     K16W07E  C2016 11 25.08709501 19 10.83 +25 52 54.1          20.5 VtEW081H01
     K16W07E  C2016 11 25.09638401 19 08.33 +25 52 50.8          20.7 VtEW081H01
     K16W07E  C2016 11 25.14609 01 18 55.08 +25 52 33.0          20.6 RoEW081926
     K16W07E  C2016 11 25.15510 01 18 52.63 +25 52 29.6          20.6 RoEW081926
     K16W07E  C2016 11 25.16421 01 18 50.14 +25 52 25.1          20.3 RoEW081926
     K16W07E  C2016 11 26.12928101 14 36.16 +25 45 50.8          20.9 GUEW081H01
     K16W07E  C2016 11 26.13261 01 14 35.32 +25 45 50.1                qEW081I52
     K16W07E  C2016 11 26.13407 01 14 34.88 +25 45 48.7          20.8 VqEW081I52
     K16W07E  C2016 11 26.13461401 14 34.72 +25 45 48.6          20.7 GUEW081H01
     K16W07E  C2016 11 26.13553 01 14 34.52 +25 45 48.5          21.3 VqEW081I52
     K16W07E  C2016 11 26.14847401 14 30.99 +25 45 42.7          20.9 GUEW081H01
     K16W07E  C2016 11 26.15681001 14 28.74 +25 45 39.2          20.8 GUEW081H01
 
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.
F51 Pan-STARRS 1, Haleakala.  Observers B. Gibson, T. Goggia, S. Kahale,
    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.
I52 Steward Observatory, Mt. Lemmon Station.  Observer J. A. Johnson.
    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:
2016 WE7                                                 Earth MOID = 0.1946 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
M   0.92994              (2000.0)            P               Q
n   0.22646051     Peri.  144.74374     -0.98125402     -0.14185398
a   2.6656782      Node    27.97481     +0.03397883     -0.79364966
e   0.8247624      Incl.   16.14696     +0.18969973     -0.59160601
P   4.35           H   20.3           G   0.15           U   7
Residuals in seconds of arc
161025 F51  0.1-  0.1+    161124 291  0.4-  0.1-    161125 H01  0.2+  0.0
161025 F51  0.1+  0.2-    161124 291  0.1+  0.2+    161125 H01  0.1+  0.1-
161025 F51  0.0   0.1+    161124 H01  0.5+  0.2-    161125 H01  0.0   0.1+
161124 G96  0.1+  0.2-    161124 H01  0.4+  0.3-    161125 926  0.3+  0.5+
161124 G96  0.1-  0.1-    161124 I52  0.1-  0.6-    161125 926  0.1-  0.6+
161124 G96  0.3+  0.1+    161124 I52  0.4+  0.0     161125 926  0.6-  0.4-
161124 G96  0.5+  0.9+    161124 I52  0.4-  0.3-    161126 H01  0.1+  0.0
161124 G96  0.1+  0.1+    161124 I52  0.8-  0.1-    161126 I52  0.1+  0.4+
161124 G96  1.0-  0.4+    161125 I52  0.3-  0.3-    161126 I52  0.5-  0.4-
161124 G96  0.3-  0.3+    161125 I52  0.0   0.1+    161126 H01  0.1+  0.1+
161124 H01  0.4+  0.2-    161125 I52  0.1+  0.1-    161126 I52  0.1-  0.0
161124 H01  0.3+  0.2-    161125 I52  0.1-  0.5-    161126 H01  0.2+  0.0
161124 291  0.1+  0.1+    161125 H01  0.2+  0.1+    161126 H01  0.1+  0.0

Ephemeris:
2016 WE7                 a,e,i = 2.67, 0.82, 16                  q = 0.4671
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2016 10 27    02 59 42.3 +25 22 09   0.8837  1.8549   162.2     9.4    22.0
...
2016 11 11    02 16 26.9 +26 24 36   0.6984  1.6753   165.5     8.5    21.2
...
2016 11 19    01 45 17.7 +26 20 56   0.6286  1.5749   153.2    16.5    21.2
...
2016 11 25    01 19 33.4 +25 53 31   0.5898  1.4973   142.2    23.9    21.1
2016 11 26    01 15 10.2 +25 46 48   0.5844  1.4841   140.3    25.2    21.1
2016 11 27    01 10 46.4 +25 39 30   0.5792  1.4709   138.4    26.5    21.1
...
2016 12 03    00 44 30.7 +24 44 19   0.5542  1.3906   126.8    34.6    21.2
...
2016 12 11    00 11 13.7 +23 08 16   0.5329  1.2801   111.5    45.7    21.2
...
2016 12 26    23 17 01.5 +19 41 12   0.5104  1.0627    84.4    67.1    21.3

A. U. Tomatic                (C) Copyright 2016 MPC           M.P.E.C. 2016-W81




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