[Iaude] MPEC H26: 2017 HX [a=0.78,e=0.47,i=11.1,H=24.3]

mpec at si.edu mpec at si.edu
Thu Apr 20 14:37:22 EDT 2017


M.P.E.C. 2017-H26                                Issued 2017 Apr. 20, 18:34 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 HX
 
Observations:
     K17H00X* C2017 04 17.33790 13 19 00.03 -10 13 16.8          20.1 VqEH026G96
     K17H00X  C2017 04 17.35282 13 18 52.64 -10 11 37.0          20.3 VqEH026G96
     K17H00X  C2017 04 17.36197 13 18 48.18 -10 10 35.3          20.1 VqEH026G96
     K17H00X  C2017 04 17.36625 13 18 45.99 -10 10 07.1          21.2 VqEH026G96
     K17H00X  C2017 04 17.42849 13 18 15.52 -10 03 08.9          20.7 VqEH026G96
     K17H00X  C2017 04 17.42988 13 18 14.82 -10 02 59.9          21.2 VqEH026G96
     K17H00X KC2017 04 17.90410913 14 34.74 -09 08 41.7          20.2 GUEH026K91
     K17H00X KC2017 04 17.90621613 14 33.69 -09 08 27.5          20.2 GUEH026K91
     K17H00X KC2017 04 17.90903613 14 32.30 -09 08 08.6          20.1 GUEH026K91
     K17H00X KC2017 04 17.91396713 14 29.86 -09 07 35.1          20.1 GUEH026K91
     K17H00X KC2017 04 17.95862 13 14 08.98 -09 03 54.5          20.6 VqEH026I93
     K17H00X KC2017 04 17.97014 13 14 03.31 -09 02 36.7          19.8 VqEH026I93
     K17H00X KC2017 04 18.21798 13 12 06.55 -08 34 27.3          20.1 RqEH026H36
     K17H00X  C2017 04 18.21856 13 12 07.28 -08 34 18.2          22.0 VqEH026G96
     K17H00X  C2017 04 18.21897 13 12 07.10 -08 34 15.7          20.9 VqEH026G96
     K17H00X  C2017 04 18.21937 13 12 06.91 -08 34 12.8          20.7 VqEH026G96
     K17H00X  C2017 04 18.21993 13 12 06.53 -08 34 08.7          21.7 VqEH026G96
     K17H00X KC2017 04 18.22718 13 12 01.98 -08 33 25.4          20.7 RqEH026H36
     K17H00X KC2017 04 18.23639 13 11 57.38 -08 32 22.4          20.1 RqEH026H36
     K17H00X  C2017 04 18.35186 13 11 01.04 -08 19 07.3          20.1 RoEH026926
     K17H00X  C2017 04 18.35498 13 10 59.48 -08 18 46.3          20.6 RoEH026926
     K17H00X  C2017 04 18.35810 13 10 57.91 -08 18 24.4          20.7 RoEH026926
     K17H00X  C2017 04 19.15211 13 04 46.22 -06 47 17.5                qEH026G96
     K17H00X  C2017 04 19.15252 13 04 45.96 -06 47 14.1          20.1 VqEH026G96
     K17H00X  C2017 04 19.15292 13 04 45.88 -06 47 11.5          19.7 VqEH026G96
     K17H00X  C2017 04 20.13322 12 57 01.21 -04 53 13.2          20.3 VqEH026G96
     K17H00X  C2017 04 20.13589 12 56 59.96 -04 52 55.3          20.2 VqEH026G96
     K17H00X  C2017 04 20.13629 12 56 59.76 -04 52 52.9          20.8 VqEH026G96
     K17H00X  C2017 04 20.13904 12 56 58.43 -04 52 33.6          20.4 VqEH026G96
 
Observer details:
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.  Observers D. C. Fuls, 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.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/3.7 reflector + CCD.
K91 Sutherland-LCOGT A.  Observers T. Lister, S. Greenstreet, E. Gomez.
    Measurer T. Lister.  1.0-m f/8 Ritchey-Chretien + CCD.
 
Orbital elements:
2017 HX                                                  Earth MOID = 0.0667 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
M 116.78479              (2000.0)            P               Q
n   1.42572516     Peri.  169.50334     +0.95375265     -0.28707301
a   0.7818297      Node   207.68766     +0.26001676     +0.93668651
e   0.4658233      Incl.   11.05966     +0.15082164     +0.20051800
P   0.69           H   24.3           G   0.15           U   9
Residuals in seconds of arc
170417 G96  0.5+  0.1-    170417 I93  0.3-  0.1+    170418 926  0.4+  0.2-
170417 G96  0.1+  0.1-    170417 I93  0.1-  0.1-    170418 926  0.0   0.3+
170417 G96  0.8+  0.3+    170418 H36  0.1+  0.8+    170419 G96  0.0   0.6-
170417 G96  0.4-  0.1-    170418 G96  0.1-  0.1-    170419 G96  0.9-  0.1-
170417 G96  0.3-  0.0     170418 G96  0.3+  0.4-    170419 G96  0.8+  0.2-
170417 G96  0.6-  0.3-    170418 G96  0.4+  0.2-    170420 G96  0.7-  0.8+
170417 K91  0.0   0.2+    170418 G96  1.1-  0.1+    170420 G96  0.2+  0.1+
170417 K91  0.0   0.1+    170418 H36  0.0   0.0     170420 G96  0.1+  0.3-
170417 K91  0.1+  0.0     170418 H36  0.5-  0.3+    170420 G96  0.4+  0.2-
170417 K91  0.3+  0.1+    170418 926  0.6+  0.1+

Ephemeris:
2017 HX                  a,e,i = 0.78, 0.47, 11                  q = 0.4176
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 03 21    15 34 40.4 -34 43 59   0.2489  1.1393   119.4    49.6    23.4
...
2017 04 05    14 42 42.4 -27 13 36   0.1686  1.1453   146.9    28.5    22.0
...
2017 04 13    13 51 58.4 -17 37 14   0.1384  1.1389   169.2     9.5    20.9
...
2017 04 19    13 05 56.0 -07 04 14   0.1274  1.1296   169.0     9.8    20.7
2017 04 20    12 58 01.8 -05 08 12   0.1267  1.1277   165.4    12.9    20.8
2017 04 21    12 50 08.9 -03 11 11   0.1264  1.1257   161.8    16.2    20.9
...
2017 04 27    12 04 59.9 +08 05 17   0.1316  1.1113   140.5    35.1    21.6
...
2017 05 05    11 15 54.3 +19 35 49   0.1530  1.0861   116.8    56.0    22.4
...
2017 05 20    10 18 06.6 +30 55 55   0.2097  1.0198    86.2    81.9    23.8

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-H26




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