• MPC Preparation (Info)

  • MPEC 2017-H25 : 2017 HW

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    M.P.E.C. 2017-H25                                Issued 2017 Apr. 20, 18:31 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@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                        2017 HW
    
    Observations:
         K17H00W  C2017 04 17.26367 14 17 16.53 +18 16 46.8          20.6 VqEH025G96
         K17H00W  C2017 04 17.26590 14 17 19.49 +18 15 23.0          20.3 VqEH025G96
         K17H00W  C2017 04 17.26816 14 17 22.44 +18 13 57.5          21.0 VqEH025G96
         K17H00W  C2017 04 17.27044 14 17 25.47 +18 12 32.2          19.7 VqEH025G96
         K17H00W* C2017 04 17.29126 14 17 53.03 +17 59 29.8          20.1 VqEH025G96
         K17H00W  C2017 04 17.29417 14 17 56.81 +17 57 39.9          21.3 VqEH025G96
         K17H00W  C2017 04 17.29709 14 18 00.65 +17 55 49.4          21.2 VqEH025G96
         K17H00W  C2017 04 17.40641 14 20 24.56 +16 46 11.0          22.0 VqEH025G96
         K17H00W  C2017 04 17.40681 14 20 25.07 +16 45 55.9          20.8 VqEH025G96
         K17H00W  C2017 04 17.40722 14 20 25.57 +16 45 40.2          20.8 VqEH025G96
         K17H00W KC2017 04 18.02165214 35 16.55 +09 58 14.2                UEH025J95
         K17H00W KC2017 04 18.03507214 35 34.36 +09 49 09.0                UEH025J95
         K17H00W KC2017 04 18.04792414 35 51.45 +09 40 27.7          20.3 GUEH025J95
         K17H00W  C2017 04 18.23945 14 40 36.65 +07 31 34.9          20.3 VqEH025G96
         K17H00W  C2017 04 18.24037 14 40 37.84 +07 30 56.8          20.0 VqEH025G96
         K17H00W  C2017 04 18.24128 14 40 39.24 +07 30 19.3          19.2 VqEH025G96
         K17H00W  C2017 04 18.24219 14 40 40.26 +07 29 43.0          20.0 VqEH025G96
         K17H00W  C2017 04 19.31145 15 05 16.91 -04 38 15.5          20.4 VqEH025G96
         K17H00W  C2017 04 19.31226 15 05 17.90 -04 38 47.5          20.6 VqEH025G96
         K17H00W  C2017 04 19.31267 15 05 18.40 -04 39 03.7          20.5 VqEH025G96
    
    Observer details:
    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.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2017 HW                                                  Earth MOID = 0.0239 AU
    Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
    M 346.98187              (2000.0)            P               Q
    n   0.23384915     Peri.  170.22429     -0.92882486     +0.36000286
    a   2.6092289      Node    31.32713     -0.35031448     -0.77620182
    e   0.6075103      Incl.    9.70528     -0.12068199     -0.51759895
    P   4.21           H   27.3           G   0.15           U   7
    Residuals in seconds of arc
    170417 G96  0.1-  0.1+    170417 G96  0.5+  0.3-    170418 G96  0.8-  0.1+
    170417 G96  0.0   0.1-    170417 G96  0.2+  0.1+    170418 G96  2.2+  0.2-
    170417 G96  0.6-  0.8-    170417 G96  0.4-  0.2+    170418 G96  0.4-  0.7+
    170417 G96  0.4-  0.5-    170418 J95  0.4+  0.1-    170419 G96  0.0   0.4-
    170417 G96  0.6+  0.5+    170418 J95  0.2-  0.5-    170419 G96  0.2-  0.1-
    170417 G96  0.2-  0.4+    170418 J95  0.1-  0.5+    170419 G96  0.3-  0.1+
    170417 G96  0.3-  0.2+    170418 G96  0.5-  0.6+
    
    Ephemeris:
    2017 HW                  a,e,i = 2.61, 0.61, 10                  q = 1.0241
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 03 21    09 43 57.8 +60 57 21   0.1536  1.0667   113.5    58.9    25.5
    ...
    2017 04 05    10 47 40.4 +59 32 50   0.07748 1.0291   109.7    66.2    24.1
    ...
    2017 04 13    12 39 48.5 +47 31 13   0.03883 1.0241   122.6    55.5    22.3
    ...
    2017 04 19    14 58 04.8 -01 05 11   0.02464 1.0275   159.8    19.7    20.3
    2017 04 20    15 20 23.9 -11 54 49   0.02585 1.0287   158.1    21.3    20.5
    2017 04 21    15 41 18.6 -21 17 45   0.02811 1.0300   152.8    26.5    20.8
    ...
    2017 04 27    17 12 10.2 -48 16 01   0.05282 1.0414   130.2    47.6    22.8
    ...
    2017 05 05    18 07 01.9 -56 20 42   0.09390 1.0653   125.2    50.7    24.2
    ...
    2017 05 20    18 32 01.6 -59 08 49   0.1744  1.1338   130.9    42.4    25.4
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-H25
    

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    MPEC number:

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    • 1997-B01 (the full form)
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    • B01 (the abbreviated form)