[Iaude] MPEC H62: 2017 HR3 [a=1.36,e=0.20,i=19.9,H=23.8]

mpec at si.edu mpec at si.edu
Tue Apr 25 22:39:25 EDT 2017


M.P.E.C. 2017-H62                                Issued 2017 Apr. 26, 02:36 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 HR3
 
Observations:
     K17H03R* C2017 04 22.42753 15 49 44.89 +17 57 36.8          21.3 VqEH062G96
     K17H03R  C2017 04 22.43181 15 49 45.15 +17 58 08.1          20.6 VqEH062G96
     K17H03R  C2017 04 22.43607 15 49 45.49 +17 58 40.3          21.2 VqEH062G96
     K17H03R  C2017 04 22.44036 15 49 45.83 +17 59 12.4          20.9 VqEH062G96
     K17H03R  C2017 04 22.46233 15 49 47.48 +18 01 54.4          21.1 VqEH062G96
     K17H03R  C2017 04 22.46308 15 49 47.59 +18 02 00.4          21.6 VqEH062G96
     K17H03R  C2017 04 22.46459 15 49 47.72 +18 02 11.7          20.8 VqEH062G96
     K17H03R KC2017 04 22.56323415 50 00.33 +18 15 41.5          20.6 RtEH062474
     K17H03R KC2017 04 22.56679415 50 00.59 +18 16 07.9          21.3 RtEH062474
     K17H03R KC2017 04 22.57040915 50 00.86 +18 16 35.1          21.1 RtEH062474
     K17H03R KC2017 04 22.57396615 50 01.14 +18 17 01.6          21.8 RtEH062474
     K17H03R IC2017 04 23.22424 15 51 06.10 +19 34 04.0          20.6 RqEH062734
     K17H03R KC2017 04 23.24759 15 51 07.80 +19 36 50.2          20.6 RqEH062734
     K17H03R KC2017 04 23.27415 15 51 09.76 +19 39 59.5          20.5 RqEH062734
     K17H03R  C2017 04 23.37554 15 51 17.97 +19 52 03.1          20.9 RoEH062926
     K17H03R  C2017 04 23.38223 15 51 18.41 +19 52 50.4          20.9 RoEH062926
     K17H03R  C2017 04 23.38896 15 51 18.87 +19 53 37.3          20.8 RoEH062926
     K17H03R  C2017 04 23.44859 15 51 22.96 +20 00 31.9          21.1 VqEH062I52
     K17H03R  C2017 04 23.45005 15 51 23.07 +20 00 42.0          20.8 VqEH062I52
     K17H03R  C2017 04 23.45150 15 51 23.15 +20 00 51.4          21.1 VqEH062I52
     K17H03R  C2017 04 24.38805 15 52 48.88 +21 46 30.6                qEH062I52
     K17H03R  C2017 04 24.39096 15 52 49.08 +21 46 49.2          20.7 VqEH062I52
     K17H03R  C2017 04 24.39242 15 52 49.08 +21 46 58.9                qEH062I52
     K17H03R  C2017 04 24.41676 15 52 50.69 +21 49 38.7          20.7 RoEH062926
     K17H03R  C2017 04 24.42291 15 52 51.03 +21 50 18.5          20.8 RoEH062926
     K17H03R  C2017 04 24.42777 15 52 51.34 +21 50 50.6          21.1 RoEH062926
 
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.
734 Farpoint Observatory.  Observers G. Hug, R. Valentine, D. Cromer,
    B. Whitten.  Measurer G. Hug.  0.69-m reflector + CCD.
926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
    M. Schwartz.  0.41-m f/3.75 astrograph + CCD, 0.81-m f/7 Ritchey-Chretien
    + CCD.
G96 Mt. Lemmon Survey.  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.
    1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observers G. J. Leonard,
    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:
2017 HR3                                                 Earth MOID = 0.0902 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
M 337.06080              (2000.0)            P               Q
n   0.62015599     Peri.  345.15691     -0.98487583     +0.11345912
a   1.3618693      Node   202.63931     -0.10272956     -0.99098524
e   0.2018559      Incl.   19.88786     -0.13952146     -0.07124109
P   1.59           H   23.8           G   0.15           U   7
Residuals in seconds of arc
170422 G96  0.7+  0.2+    170422 474  0.3-  0.0     170423 I52  0.4-  0.1+
170422 G96  0.3-  0.3-    170422 474  0.2-  0.1+    170423 I52  0.7-  0.5-
170422 G96  0.1-  0.2+    170423 734  1.2+  0.6+    170424 I52  0.3+  0.3+
170422 G96  0.1+  0.5+    170423 734  0.1+  0.1-    170424 I52  0.5+  0.1-
170422 G96  0.5-  0.3-    170423 734  0.1-  0.0     170424 I52  0.8-  0.0
170422 G96  0.2+  0.1+    170423 926  0.2+  0.1-    170424 926  0.5+  0.1-
170422 G96  0.4+  0.2+    170423 926  0.1-  0.3+    170424 926  0.1-  0.3-
170422 474  0.2+  0.4-    170423 926  0.1-  0.0     170424 926  0.0   0.2+
170422 474  0.1-  0.4-    170423 I52  0.5-  0.1+

Ephemeris:
2017 HR3                 a,e,i = 1.36, 0.20, 20                  q = 1.0870
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 03 27    14 10 46.6 -51 32 10   0.1415  1.0871   126.0    47.9    21.5
...
2017 04 11    15 21 31.6 -13 43 00   0.1057  1.0942   149.2    28.0    20.4
...
2017 04 19    15 43 17.7 +10 03 21   0.1182  1.1024   144.3    32.1    20.7
...
2017 04 25    15 53 40.9 +22 52 02   0.1395  1.1105   136.0    39.0    21.3
2017 04 26    15 55 00.6 +24 33 07   0.1437  1.1120   134.7    40.0    21.4
2017 04 27    15 56 14.3 +26 07 16   0.1481  1.1136   133.5    41.0    21.5
...
2017 05 03    16 01 49.1 +33 27 27   0.1765  1.1237   127.2    45.6    22.0
...
2017 05 11    16 05 45.9 +39 12 13   0.2178  1.1392   121.6    49.0    22.6
...
2017 05 26    16 07 44.3 +43 05 06   0.2979  1.1739   115.8    51.0    23.4

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-H62




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