[Iaude] MPEC H22: 2017 HT [a=2.17,e=0.75,i=16.4,H=21.7]

mpec at si.edu mpec at si.edu
Thu Apr 20 14:25:24 EDT 2017


M.P.E.C. 2017-H22                                Issued 2017 Apr. 20, 18:21 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 HT
 
Observations:
     K17H00T  C2017 04 16.27220 11 26 07.00 -04 21 28.3          19.9 VqEH022G96
     K17H00T  C2017 04 16.28536 11 26 09.56 -04 20 50.7          20.1 VqEH022G96
     K17H00T  C2017 04 16.29307 11 26 11.02 -04 20 29.8          21.0 VqEH022G96
     K17H00T  C2017 04 16.29734 11 26 11.90 -04 20 18.6          20.3 VqEH022G96
     K17H00T* C2017 04 16.34470 11 26 21.17 -04 18 07.2          20.9 VqEH022G96
     K17H00T  C2017 04 16.34808 11 26 21.79 -04 17 56.2          21.0 VqEH022G96
     K17H00T  C2017 04 16.35153 11 26 22.47 -04 17 46.8          20.1 VqEH022G96
     K17H00T  C2017 04 16.35485 11 26 23.15 -04 17 38.1                qEH022G96
     K17H00T  C2017 04 17.20453 11 29 11.37 -03 40 05.7          20.8 VqEH022G96
     K17H00T  C2017 04 17.20816 11 29 12.03 -03 39 56.7          20.9 VqEH022G96
     K17H00T  C2017 04 17.21131 11 29 12.58 -03 39 48.7          20.6 VqEH022G96
     K17H00T  C2017 04 17.21472 11 29 13.18 -03 39 40.1          20.6 VqEH022G96
     K17H00T KC2017 04 18.15050 11 32 04.59 -03 01 53.8          20.3 RqEH022H36
     K17H00T KC2017 04 18.16901 11 32 07.66 -03 01 10.9          20.6 RqEH022H36
     K17H00T  C2017 04 18.29387 11 32 28.84 -02 56 22.2          21.5 VqEH022G96
     K17H00T  C2017 04 18.29578 11 32 29.14 -02 56 16.4          22.1 VqEH022G96
     K17H00T  C2017 04 18.29768 11 32 29.48 -02 56 12.6          21.9 VqEH022G96
     K17H00T  C2017 04 18.29974 11 32 29.80 -02 56 07.9          20.7 VqEH022G96
     K17H00T  C2017 04 19.13006 11 34 52.14 -02 25 48.3                qEH022G96
     K17H00T  C2017 04 19.13643 11 34 53.16 -02 25 34.7                qEH022G96
     K17H00T  C2017 04 19.13884 11 34 53.53 -02 25 29.7          20.8 VqEH022G96
     K17H00T  C2017 04 20.13221 11 37 31.62 -01 52 15.0          21.1 VqEH022G96
     K17H00T  C2017 04 20.13498 11 37 32.03 -01 52 09.7          20.5 VqEH022G96
     K17H00T  C2017 04 20.13724 11 37 32.38 -01 52 05.5          21.2 VqEH022G96
     K17H00T  C2017 04 20.14001 11 37 32.74 -01 52 00.4          20.7 VqEH022G96
     K17H00T KC2017 04 20.16416 11 37 36.30 -01 51 14.3          20.6 RoEH022691
     K17H00T KC2017 04 20.17992 11 37 38.63 -01 50 43.6          20.7 RoEH022691
     K17H00T KC2017 04 20.19637 11 37 40.92 -01 50 13.2          20.4 RoEH022691
 
Observer details:
691 Steward Observatory, Kitt Peak.  Observer T. H. Bressi.  0.9-m f/3
    reflector + 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.
 
Orbital elements:
2017 HT                                                  Earth MOID = 0.0991 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
M   2.03379              (2000.0)            P               Q
n   0.30812560     Peri.  245.72285     +0.00354092     -0.99285305
a   2.1709552      Node   204.97281     +0.98897488     +0.02113705
e   0.7466410      Incl.   16.41267     +0.14804104     -0.11745659
P   3.20           H   21.7           G   0.15           U   8
Residuals in seconds of arc
170416 G96  0.0   0.1-    170417 G96  0.0   0.1-    170419 G96  0.0   0.2-
170416 G96  0.0   0.7+    170417 G96  0.2-  0.1-    170420 G96  0.1-  0.3+
170416 G96  0.6-  0.1+    170418 H36  0.1-  0.1-    170420 G96  0.0   0.3+
170416 G96  0.1+  0.6-    170418 H36  0.5-  0.0     170420 G96  0.3+  0.2+
170416 G96  0.5+  1.0-    170418 G96  0.2+  0.6-    170420 G96  0.4-  0.0
170416 G96  0.2-  0.6+    170418 G96  0.1-  0.8+    170420 691  0.0   0.2-
170416 G96  0.1-  0.4+    170418 G96  0.3+  0.3+    170420 691  0.7+  0.4+
170416 G96  0.3+  0.1-    170418 G96  0.1-  0.3+    170420 691  0.6-  0.5-
170417 G96  0.1+  0.1+    170419 G96  0.2-  0.3-
170417 G96  0.2+  0.1-    170419 G96  0.1+  0.1-

Ephemeris:
2017 HT                  a,e,i = 2.17, 0.75, 16                  q = 0.5500
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 03 21    02 53 06.9 -38 29 55   0.1549  0.9165    55.2   116.9    22.1
...
2017 04 05    10 10 23.2 -21 46 04   0.1466  1.1121   137.0    37.8    19.3
...
2017 04 13    11 13 10.3 -07 22 21   0.2428  1.2140   147.3    26.5    20.2
...
2017 04 19    11 34 29.7 -02 30 10   0.3275  1.2887   145.9    25.9    21.0
2017 04 20    11 37 10.4 -01 56 17   0.3422  1.3010   145.5    26.0    21.1
2017 04 21    11 39 40.8 -01 25 28   0.3571  1.3133   144.9    26.1    21.2
...
2017 04 27    11 52 07.7 +00 50 13   0.4497  1.3858   141.2    27.1    21.9
...
2017 05 05    12 04 43.1 +02 26 01   0.5803  1.4799   135.6    28.5    22.6
...
2017 05 20    12 23 30.3 +03 15 31   0.8442  1.6481   125.0    30.2    23.7

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-H22




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