[Iaude] MPEC H58: 2017 HN3 [a=2.12,e=0.53,i=6.8,H=21.6]

mpec at si.edu mpec at si.edu
Tue Apr 25 22:25:54 EDT 2017


M.P.E.C. 2017-H58                                Issued 2017 Apr. 26, 02:22 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 HN3
 
Observations:
     K17H03N* C2017 04 21.43684 14 53 06.95 -00 33 17.1          20.4 VqEH058G96
     K17H03N  C2017 04 21.44114 14 53 06.97 -00 33 09.8          20.6 VqEH058G96
     K17H03N  C2017 04 21.44539 14 53 07.03 -00 33 03.0          20.7 VqEH058G96
     K17H03N  C2017 04 21.44965 14 53 07.05 -00 32 55.5          21.1 VqEH058G96
     K17H03N KC2017 04 21.54099414 53 09.34 -00 29 48.1          20.7 RtEH058474
     K17H03N KC2017 04 21.54451314 53 09.37 -00 29 42.2          20.8 RtEH058474
     K17H03N KC2017 04 21.54803214 53 09.39 -00 29 36.0          20.7 RtEH058474
     K17H03N  C2017 04 22.25143 14 53 19.90 -00 09 30.0                qEH058I52
     K17H03N  C2017 04 22.25720 14 53 19.89 -00 09 20.4          20.1 VqEH058I52
     K17H03N  C2017 04 22.26008 14 53 19.87 -00 09 15.3          21.0 VqEH058I52
     K17H03N  C2017 04 22.40248 14 53 20.69 -00 05 01.9          20.5 RoEH058926
     K17H03N  C2017 04 22.41459 14 53 20.76 -00 04 40.3          20.7 RoEH058926
     K17H03N  C2017 04 22.42682 14 53 20.84 -00 04 18.5          20.6 RoEH058926
     K17H03N KC2017 04 22.42710714 53 22.36 -00 03 49.0          20.5 RtEH058474
     K17H03N KC2017 04 22.43062514 53 22.40 -00 03 42.6          20.5 RtEH058474
     K17H03N KC2017 04 22.43414214 53 22.42 -00 03 36.4          20.8 RtEH058474
     K17H03N  C2017 04 23.31017 14 53 33.35 +00 22 18.6          20.7 VqEH058I52
     K17H03N  C2017 04 23.31528 14 53 33.38 +00 22 27.7          21.0 VqEH058I52
     K17H03N  C2017 04 23.31703 14 53 33.39 +00 22 31.6          20.5 RoEH058926
     K17H03N  C2017 04 23.31794 14 53 33.37 +00 22 32.4          20.4 VqEH058I52
     K17H03N  C2017 04 23.32704 14 53 33.44 +00 22 49.8          20.6 RoEH058926
     K17H03N  C2017 04 23.33707 14 53 33.47 +00 23 07.9          20.8 RoEH058926
     K17H03N  C2017 04 24.31955 14 53 45.56 +00 53 36.5          20.6 VqEH058I52
     K17H03N KC2017 04 24.31988 14 53 45.61 +00 53 37.4          20.9 RoEH058291
     K17H03N KC2017 04 24.32214 14 53 45.61 +00 53 41.6          20.5 RoEH058291
     K17H03N  C2017 04 24.32290 14 53 45.59 +00 53 42.9          20.6 VqEH058I52
     K17H03N KC2017 04 24.32441 14 53 45.61 +00 53 45.7          20.8 RoEH058291
     K17H03N  C2017 04 24.34707 14 53 45.63 +00 54 28.7          20.7 VqEH058I52
     K17H03N  C2017 04 24.34915 14 53 45.65 +00 54 32.2          21.0 VqEH058I52
     K17H03N  C2017 04 25.40370 14 53 57.13 +01 28 18.0          20.3 VqEH058I52
     K17H03N  C2017 04 25.40629 14 53 57.14 +01 28 22.8          20.5 VqEH058I52
     K17H03N  C2017 04 25.40889 14 53 57.18 +01 28 28.3          20.3 VqEH058I52
     K17H03N  C2017 04 25.41148 14 53 57.14 +01 28 33.3          20.8 VqEH058I52
 
Observer details:
291 LPL/Spacewatch II.  Observer J. V. Scotti.  1.8-m f/2.7 reflector + CCD.
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.
926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
    M. Schwartz.  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 HN3                                                 Earth MOID = 0.0759 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
M 314.01748              (2000.0)            P               Q
n   0.31942521     Peri.  115.49960     +0.36748533     +0.92999365
a   2.1194504      Node   176.03425     -0.88997596     +0.35418786
e   0.5300644      Incl.    6.76334     -0.26999503     +0.09829937
P   3.09           H   21.6           G   0.15           U   7
Residuals in seconds of arc
170421 G96  0.1-  0.3+    170422 926  0.1+  0.2-    170424 I52  0.4-  0.0
170421 G96  0.3-  0.2+    170422 926  0.2+  0.2-    170424 291  0.1+  0.1+
170421 G96  0.1+  0.4-    170422 474  0.2-  0.1-    170424 291  0.0   0.0
170421 G96  0.1-  0.3-    170422 474  0.1-  0.0     170424 I52  0.1-  0.0
170421 474  0.0   0.2+    170422 474  0.2-  0.1-    170424 291  0.1-  0.2-
170421 474  0.1+  0.0     170423 I52  0.3+  0.3+    170424 I52  0.5-  0.2+
170421 474  0.0   0.1+    170423 I52  0.4+  0.0     170424 I52  0.3-  0.3-
170422 I52  0.6+  0.6+    170423 926  0.4+  0.3+    170425 I52  0.0   0.0
170422 I52  0.1-  0.0     170423 I52  0.1+  0.2-    170425 I52  0.0   0.2-
170422 I52  0.7-  0.0     170423 926  0.5+  0.2+    170425 I52  0.5+  0.2+
170422 926  0.0   0.2-    170423 926  0.4+  0.1-    170425 I52  0.2-  0.1+

Ephemeris:
2017 HN3                 a,e,i = 2.12, 0.53, 7                   q = 0.9960
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 03 27    14 40 52.2 -08 38 17   0.6263  1.5538   145.2    21.5    22.6
...
2017 04 11    14 49 37.3 -04 47 46   0.4667  1.4431   157.0    15.8    21.6
...
2017 04 19    14 52 29.4 -01 40 42   0.3954  1.3847   161.3    13.4    21.1
...
2017 04 25    14 53 53.2 +01 15 27   0.3483  1.3415   162.0    13.4    20.7
2017 04 26    14 54 04.1 +01 48 03   0.3409  1.3344   161.8    13.6    20.7
2017 04 27    14 54 14.2 +02 21 37   0.3338  1.3273   161.5    13.9    20.6
...
2017 05 03    14 55 05.3 +06 03 55   0.2938  1.2852   158.0    17.1    20.4
...
2017 05 11    14 56 17.6 +11 59 29   0.2482  1.2311   150.0    24.2    20.2
...
2017 05 26    15 02 53.6 +26 34 03   0.1829  1.1384   129.6    43.3    19.9

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-H58




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