[Iaude] MPEC H52: 2017 HT2 [a=2.30,e=0.57,i=14.5,H=18.3,PHA]

mpec at si.edu mpec at si.edu
Sun Apr 23 10:27:42 EDT 2017


M.P.E.C. 2017-H52                                Issued 2017 Apr. 23, 14:23 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 HT2
 
Observations:
     K17H02T* C2017 04 20.30727 13 03 19.74 +20 00 44.6          21.9 VqEH052G96
     K17H02T  C2017 04 20.31152 13 03 19.35 +20 00 47.3          21.7 VqEH052G96
     K17H02T  C2017 04 20.31576 13 03 19.03 +20 00 48.7          21.9 VqEH052G96
     K17H02T  C2017 04 20.32002 13 03 18.68 +20 00 50.0          21.2 VqEH052G96
     K17H02T  C2017 04 20.37600 13 03 14.14 +20 01 13.7                qEH052G96
     K17H02T  C2017 04 20.38055 13 03 13.78 +20 01 15.2          21.2 VqEH052G96
     K17H02T  C2017 04 20.38496 13 03 13.43 +20 01 17.0          21.3 VqEH052G96
     K17H02T  C2017 04 20.38949 13 03 13.06 +20 01 19.2          20.8 VqEH052G96
     K17H02T  C2017 04 21.36251 13 01 57.04 +20 08 00.2          21.3 VqEH052G96
     K17H02T  C2017 04 21.36696 13 01 56.72 +20 08 02.3          22.6 VqEH052G96
     K17H02T  C2017 04 21.37100 13 01 56.39 +20 08 03.6          22.6 VqEH052G96
     K17H02T  C2017 04 21.37547 13 01 56.05 +20 08 04.7          21.3 VqEH052G96
     K17H02T  C2017 04 22.16339413 00 55.12 +20 13 14.1          21.4 GUEH052H01
     K17H02T  C2017 04 22.16756413 00 54.80 +20 13 15.7          21.0 GUEH052H01
     K17H02T  C2017 04 22.18107813 00 53.71 +20 13 21.1          21.2 GUEH052H01
     K17H02T  C2017 04 22.19215813 00 52.82 +20 13 25.3          21.1 GUEH052H01
     K17H02T  C2017 04 22.24310 13 00 48.75 +20 13 45.6                qEH052G96
     K17H02T  C2017 04 22.24742 13 00 48.48 +20 13 46.3                qEH052G96
     K17H02T  C2017 04 22.25200 13 00 48.08 +20 13 47.2          20.4 VqEH052G96
     K17H02T  C2017 04 22.25655 13 00 47.73 +20 13 50.6          21.3 VqEH052G96
     K17H02T "C2017 04 22.27829513 00 45.93 +20 13 58.2          21.0 RtEH052705
     K17H02T "C2017 04 22.27931213 00 45.83 +20 13 58.5          21.1 RtEH052705
     K17H02T "C2017 04 22.28033013 00 45.75 +20 13 59.0          20.9 RtEH052705
     K17H02T  C2017 04 23.22714 12 59 32.62 +20 19 48.3          21.5 VqEH052I52
     K17H02T  C2017 04 23.23401 12 59 32.05 +20 19 50.4                qEH052I52
     K17H02T  C2017 04 23.24463 12 59 31.26 +20 19 55.1                qEH052I52
     K17H02T  C2017 04 23.26455 12 59 29.72 +20 20 02.1          21.5 VqEH052G96
     K17H02T  C2017 04 23.26872 12 59 29.20 +20 20 04.0          21.3 VqEH052G96
     K17H02T  C2017 04 23.27264 12 59 28.98 +20 20 05.0          21.6 RoEH052926
     K17H02T  C2017 04 23.27268 12 59 28.96 +20 20 04.8                qEH052G96
     K17H02T  C2017 04 23.27825 12 59 28.47 +20 20 07.0          21.1 VqEH052G96
     K17H02T  C2017 04 23.28657 12 59 27.89 +20 20 09.6          21.3 RoEH052926
     K17H02T KC2017 04 23.33455 12 59 24.09 +20 20 26.7          21.0 RoEH052291
     K17H02T KC2017 04 23.33894 12 59 23.69 +20 20 28.5          21.2 RoEH052291
     K17H02T KC2017 04 23.34332 12 59 23.35 +20 20 29.8          20.9 RoEH052291
 
Observer details:
291 LPL/Spacewatch II.  Observer J. V. Scotti.  1.8-m f/2.7 reflector + CCD.
705 Apache Point.  Observers K. Nault, M. Hammergren, M. Brucker.  Measurer
    K. Nault.  3.5-m f/10 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.  Observers R. A. Kowalski, 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.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 reflector + 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 HT2                                            PHA, Earth MOID = 0.0015 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
M 287.70395              (2000.0)            P               Q
n   0.28241093     Peri.  203.53590     +0.75455993     +0.61669100
a   2.3008151      Node   116.45718     -0.55523470     +0.78219068
e   0.5727480      Incl.   14.51254     -0.34979100     +0.08871274
P   3.49           H   18.3           G   0.15           U   8
Residuals in seconds of arc
170420 G96  0.6+  0.2-    170422 H01  0.2-  0.1+    170423 I52  0.1-  0.6-
170420 G96  0.1-  0.7+    170422 H01  0.0   0.1+    170423 I52  0.7+  0.3+
170420 G96  0.2+  0.3+    170422 H01  0.2-  0.2+    170423 G96  1.3+  0.1+
170420 G96  0.1+  0.2-    170422 H01  0.2-  0.2+    170423 G96  1.3-  0.5+
170420 G96  0.3-  0.1+    170422 G96  0.5-  0.7+    170423 926  0.0   0.0
170420 G96  0.2-  0.3-    170422 G96  0.6+  0.2-    170423 G96  0.2-  0.1-
170420 G96  0.2-  0.3-    170422 G96  0.1+  1.1-    170423 G96  0.9-  0.1+
170420 G96  0.3-  0.0     170422 G96  0.4+  0.6+    170423 926  0.3+  0.3-
170421 G96  0.3-  0.1-    170422 705  0.0   0.0     170423 291  0.5+  0.1-
170421 G96  0.2+  0.3+    170422 705  0.2-  0.1-    170423 291  0.3-  0.2+
170421 G96  0.1+  0.0     170422 705  0.2-  0.0     170423 291  0.2-  0.1-
170421 G96  0.4+  0.7-    170423 I52  0.2+  0.2-

Ephemeris:
2017 HT2                 a,e,i = 2.30, 0.57, 15                  q = 0.9830
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 03 24    13 35 36.5 +15 05 50   1.4776  2.4118   153.6    10.6    21.7
...
2017 04 08    13 19 13.7 +18 08 29   1.3727  2.3171   154.6    10.7    21.5
...
2017 04 16    13 08 58.3 +19 26 57   1.3409  2.2650   149.8    12.9    21.5
...
2017 04 22    13 01 07.7 +20 12 13   1.3274  2.2251   144.7    15.1    21.5
2017 04 23    12 59 50.1 +20 18 28   1.3259  2.2184   143.8    15.5    21.5
2017 04 24    12 58 33.1 +20 24 19   1.3247  2.2116   142.9    15.9    21.5
...
2017 04 30    12 51 06.8 +20 51 07   1.3217  2.1708   137.1    18.4    21.5
...
2017 05 08    12 42 18.0 +21 04 04   1.3280  2.1155   129.2    21.7    21.6
...
2017 05 23    12 30 50.0 +20 22 26   1.3623  2.0086   114.7    27.2    21.7

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-H52




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