[Iaude] MPEC H29: 2017 HA1 [a=1.41,e=0.22,i=18.5,H=23.2]

mpec at si.edu mpec at si.edu
Thu Apr 20 14:47:21 EDT 2017


M.P.E.C. 2017-H29                                Issued 2017 Apr. 20, 18:43 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 HA1
 
Observations:
     K17H01A* C2017 04 18.18673 11 01 34.71 -05 31 09.2          20.3 VqEH029G96
     K17H01A  C2017 04 18.19100 11 01 35.63 -05 30 33.2          20.3 VqEH029G96
     K17H01A  C2017 04 18.19530 11 01 36.54 -05 29 57.3          21.0 VqEH029G96
     K17H01A  C2017 04 18.19956 11 01 37.44 -05 29 21.0          20.3 VqEH029G96
     K17H01A KC2017 04 18.42411311 02 30.18 -04 56 28.4          19.7 RtEH029474
     K17H01A KC2017 04 18.42651011 02 30.72 -04 56 07.7          19.6 RtEH029474
     K17H01A KC2017 04 18.43927711 02 33.45 -04 54 20.1          20.2 RtEH029474
     K17H01A KC2017 04 18.44167611 02 33.96 -04 54 00.1          20.8 RtEH029474
     K17H01A KC2017 04 18.44407311 02 34.49 -04 53 39.7          20.9 RtEH029474
     K17H01A KC2017 04 18.89277 11 04 21.86 -03 52 01.7          20.2 VqEH029I93
     K17H01A KC2017 04 18.90107 11 04 23.66 -03 50 53.1          20.2 VqEH029I93
     K17H01A  C2017 04 19.12930 11 05 20.40 -03 18 22.5          20.1 VqEH029G96
     K17H01A  C2017 04 19.13083 11 05 20.74 -03 18 08.8          20.3 VqEH029G96
     K17H01A  C2017 04 19.13313 11 05 21.22 -03 17 49.8          20.2 VqEH029G96
     K17H01A  C2017 04 19.13466 11 05 21.57 -03 17 36.9          20.1 VqEH029G96
     K17H01A KC2017 04 20.15306711 09 28.89 -00 52 38.1          20.3 VuEH029H21
     K17H01A KC2017 04 20.15909011 09 30.25 -00 51 46.4          20.5 VuEH029H21
 
Observer details:
474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore,
    P. M. Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
G96 Mt. Lemmon Survey.  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.
    1.5-m reflector + 10K 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.
I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/3.7 reflector + CCD.
 
Orbital elements:
2017 HA1                                                 Earth MOID = 0.0940 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
M 311.59675              (2000.0)            P               Q
n   0.59109337     Peri.   15.70474     -0.73315088     +0.66388574
a   1.4061511      Node   207.68904     -0.65312005     -0.74778252
e   0.2231811      Incl.   18.50270     -0.18953625     +0.00877583
P   1.67           H   23.2           G   0.15           U   7
Residuals in seconds of arc
170418 G96  0.4-  0.0     170418 474  0.5-  0.1+    170419 G96  0.1+  0.7+
170418 G96  0.0   0.2+    170418 474  0.6-  0.2-    170419 G96  0.2-  0.1+
170418 G96  0.1+  0.0     170418 474  0.4-  0.0     170419 G96  0.0   0.0
170418 G96  0.1+  0.5+    170418 I93  0.1+  0.6+    170420 H21  0.3-  0.0
170418 474  0.5-  0.4-    170418 I93  0.2-  1.2-    170420 H21  0.3-  0.0
170418 474  0.2-  0.1+    170419 G96  0.0   0.1-

Ephemeris:
2017 HA1                 a,e,i = 1.41, 0.22, 19                  q = 1.0923
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 03 21    10 01 35.3 -43 58 52   0.2299  1.1539   128.7    42.3    22.0
...
2017 04 05    10 21 05.5 -30 25 44   0.1621  1.1230   136.2    38.0    21.0
...
2017 04 13    10 42 56.9 -16 52 14   0.1367  1.1105   139.8    35.7    20.6
...
2017 04 19    11 04 47.5 -03 36 08   0.1267  1.1031   139.0    36.6    20.4
2017 04 20    11 08 51.3 -01 13 53   0.1260  1.1021   138.5    37.2    20.4
2017 04 21    11 13 01.8 +01 09 23   0.1255  1.1011   137.8    37.8    20.4
...
2017 04 27    11 40 10.3 +15 07 48   0.1288  1.0962   131.6    43.4    20.6
...
2017 05 05    12 20 13.1 +30 06 18   0.1469  1.0927   121.6    51.8    21.1
...
2017 05 20    13 34 43.0 +44 14 56   0.2041  1.0957   109.1    60.8    22.1

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-H29




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