[Iaude] MPEC A42: 2017 AQ4 [a=1.64,e=0.42,i=29.1,H=25.1]

mpec at si.edu mpec at si.edu
Fri Jan 6 19:10:04 EST 2017


M.P.E.C. 2017-A42                                Issued 2017 Jan. 7, 00:05 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 AQ4
 
Observations:
     K17A04Q tC2017 01 03.48568 06 55 03.443+36 44 51.38         19.8 wLEA042F51
     K17A04Q* C2017 01 05.21677 06 44 57.02 +20 29 32.0          19.8 VqEA042G96
     K17A04Q  C2017 01 05.22108 06 44 55.65 +20 27 23.1          19.6 VqEA042G96
     K17A04Q  C2017 01 05.22538 06 44 54.28 +20 25 12.6                qEA042G96
     K17A04Q  C2017 01 05.22966 06 44 52.89 +20 23 05.1          19.8 VqEA042G96
     K17A04Q  C2017 01 05.28865 06 44 33.97 +19 53 47.7          19.4 VqEA042G96
     K17A04Q  C2017 01 05.28947 06 44 33.65 +19 53 22.7          19.4 VqEA042G96
     K17A04Q  C2017 01 05.28992 06 44 33.58 +19 53 10.4          19.6 VqEA042G96
     K17A04Q  C2017 01 05.29033 06 44 33.42 +19 52 57.7          19.7 VqEA042G96
     K17A04Q  C2017 01 05.29074 06 44 33.29 +19 52 45.3          19.6 VqEA042G96
     K17A04Q  C2017 01 05.29115 06 44 33.16 +19 52 33.4          19.8 VqEA042G96
     K17A04Q  C2017 01 05.29156 06 44 33.04 +19 52 21.5          19.8 VqEA042G96
     K17A04Q  C2017 01 05.31521 06 44 25.50 +19 40 39.5                qEA042G96
     K17A04Q  C2017 01 05.31645 06 44 25.07 +19 40 01.9          17.2 VqEA042G96
     K17A04Q  C2017 01 05.31819 06 44 24.53 +19 39 11.3          18.9 VqEA042I52
     K17A04Q  C2017 01 05.31984 06 44 24.02 +19 38 22.7          19.8 VqEA042I52
     K17A04Q  C2017 01 05.32161 06 44 23.44 +19 37 30.1          19.5 VqEA042I52
     K17A04Q  C2017 01 05.32356 06 44 22.84 +19 36 32.7          19.9 VqEA042I52
     K17A04Q  C2017 01 05.43260 06 43 49.53 +18 43 04.8          19.6 VqEA042I52
     K17A04Q  C2017 01 05.43383 06 43 49.14 +18 42 28.9                qEA042I52
     K17A04Q  C2017 01 05.43580 06 43 48.54 +18 41 30.6                qEA042I52
     K17A04Q  C2017 01 06.27068 06 40 42.83 +12 25 19.9          19.7 RoEA042926
     K17A04Q  C2017 01 06.27293 06 40 42.25 +12 24 23.5          19.8 RoEA042926
     K17A04Q  C2017 01 06.27519 06 40 41.70 +12 23 26.8          19.6 RoEA042926
 
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 B. Gibson, T. Goggia, S. Kahale,
    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 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 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.  1.0-m reflector + CCD.
 
Orbital elements:
2017 AQ4                                                 Earth MOID = 0.0553 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
M  37.40779              (2000.0)            P               Q
n   0.46781965     Peri.  135.13008     +0.42214404     -0.77401392
a   1.6434270      Node   284.29348     +0.63301481     +0.62431816
e   0.4193923      Incl.   29.14246     +0.64891190     -0.10549548
P   2.11           H   25.1           G   0.15           U   8
Residuals in seconds of arc
170103 F51  0.0   0.0     170105 G96  0.0   0.0     170105 I52  0.0   0.2+
170105 G96  0.3-  0.6+    170105 G96  0.0   0.2-    170105 I52  0.2+  0.5+
170105 G96  0.2-  0.7+    170105 G96  0.1+  0.1+    170105 I52  0.2+  0.3+
170105 G96  0.0   1.2-    170105 G96  0.2+  0.4+    170105 I52  0.2-  0.3+
170105 G96  0.3-  0.7-    170105 G96  0.4+  0.0     170105 I52  0.6-  0.4-
170105 G96  0.2+  0.1+    170105 G96  0.1-  0.9-    170106 926  0.0   0.0
170105 G96  0.6-  0.5-    170105 I52  0.0   0.1+    170106 926  0.1-  0.0
170105 G96  0.4+  0.5+    170105 I52  0.2+  0.4+    170106 926  0.3+  0.0

Ephemeris:
2017 AQ4                 a,e,i = 1.64, 0.42, 29                  q = 0.9542
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2016 12 08    17 57 46.5 +53 19 41   0.2575  0.9608    77.1    87.8    25.2
...
2016 12 23    17 24 47.0 +68 13 10   0.1200  0.9950    92.0    81.1    23.3
...
2016 12 31    07 58 38.3 +71 28 43   0.06042 1.0235   130.4    47.1    20.8
...
2017 01 06    06 41 40.2 +14 22 24   0.06648 1.0488   169.8     9.6    19.9
2017 01 07    06 38 22.6 +07 41 02   0.07289 1.0533   163.2    15.7    20.4
2017 01 08    06 35 45.4 +02 08 58   0.08017 1.0579   157.6    20.8    20.8
...
2017 01 14    06 27 25.1 -16 02 54   0.1334  1.0868   138.3    37.0    22.4
...
2017 01 22    06 24 28.4 -24 18 30   0.2136  1.1288   128.2    43.3    23.7
...
2017 02 06    06 28 41.0 -27 59 55   0.3707  1.2148   120.0    44.7    25.1

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-A42




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