[Iaude] MPEC T25: 2017 SP21 [a=0.98,e=0.14,i=11.1,H=27.8]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sat Oct 7 18:19:17 EDT 2017


M.P.E.C. 2017-T25                                Issued 2017 Oct. 7, 22:16 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 SP21
 
Observations:
     K17S21P* C2017 09 30.46820 00 40 09.48 +29 01 07.4          18.6 VqET025G96
     K17S21P  C2017 09 30.46861 00 40 09.66 +29 00 25.0                qET025G96
     K17S21P  C2017 09 30.46902 00 40 09.90 +28 59 43.2          18.6 VqET025G96
     K17S21P  C2017 09 30.48999 00 40 21.26 +28 24 58.9          18.7 VqET025G96
     K17S21P  C2017 09 30.49034 00 40 21.44 +28 24 26.3          18.9 VqET025G96
     K17S21P  C2017 09 30.49068 00 40 21.64 +28 23 49.8          18.4 VqET025G96
     K17S21P  C2017 09 30.49103 00 40 21.84 +28 23 15.1          18.6 VqET025G96
     K17S21P KC2017 09 30.91203 00 45 51.44 +17 38 37.0          17.4  oET025K88
     K17S21P KC2017 09 30.91476 00 45 52.15 +17 34 44.3          17.7  oET025K88
     K17S21P KC2017 09 30.91749 00 45 52.83 +17 30 50.4          17.5  oET025K88
     K17S21P  C2017 10 01.10528 00 48 09.69 +13 14 06.3          18.3 VqET025G96
     K17S21P  C2017 10 01.10576 00 48 09.92 +13 13 28.2          18.4 VqET025G96
     K17S21P  C2017 10 01.10625 00 48 10.04 +13 12 50.8          18.4 VqET025G96
     K17S21P  C2017 10 01.10699 00 48 10.44 +13 11 53.7          18.0 VqET025G96
     K17S21P KC2017 10 01.25911900 48 26.43 +09 57 14.9          18.7 VuET025H21
     K17S21P KC2017 10 01.26135500 48 26.76 +09 54 28.4          18.5 VuET025H21
     K17S21P KC2017 10 01.26403600 48 27.17 +09 51 09.5          18.7 VuET025H21
     K17S21P KC2017 10 01.26671700 48 27.57 +09 47 50.1          18.8 VuET025H21
     K17S21P KC2017 10 01.26939600 48 27.96 +09 44 31.3          18.8 VuET025H21
     K17S21P KC2017 10 01.27207600 48 28.36 +09 41 12.4          18.7 VuET025H21
     K17S21P KC2017 10 01.27475800 48 28.77 +09 37 53.7          18.6 VuET025H21
     K17S21P KC2017 10 01.27789000 48 29.23 +09 34 01.9          18.6 VuET025H21
     K17S21P KC2017 10 01.89790 00 52 40.23 -01 28 22.9          18.3 VqET025595
     K17S21P KC2017 10 01.90132 00 52 40.65 -01 31 31.2          18.5 VqET025595
     K17S21P KC2017 10 01.90642 00 52 41.23 -01 36 09.5          18.8 VqET025595
     K17S21P KC2017 10 01.98104 00 52 44.32 -02 43 03.7          18.5  oET025K88
     K17S21P KC2017 10 01.98421 00 52 44.65 -02 45 50.2          18.5  oET025K88
     K17S21P KC2017 10 01.98738 00 52 44.99 -02 48 36.1          18.6  oET025K88
     K17S21P  C2017 10 02.20427 00 54 19.96 -05 45 34.2          20.0 RoET025926
     K17S21P  C2017 10 02.20552 00 54 20.06 -05 46 33.3          19.9 RoET025926
     K17S21P  C2017 10 02.20678 00 54 20.14 -05 47 33.4          20.1 RoET025926
 
Observer details:
595 Farra d'Isonzo.  Observer E. Pettarin.  0.61-m f/4.0 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 J. A. Johnson, D. C. Fuls.  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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.76-m f/3.0
    astrograph + CCD.
K88 GINOP-KHK, Piszkesteto.  Observers O. Hanyecz, K. Sarneczky.  Measurer
    K. Sarneczky.  0.60-m Schmidt + CCD.
 
Orbital elements:
2017 SP21                                                Earth MOID = 0.0084 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M  66.47558              (2000.0)            P               Q
n   1.01243567     Peri.   69.94133     -0.20523379     +0.97831262
a   0.9822554      Node   188.36492     -0.95440121     -0.20638885
e   0.1409370      Incl.   11.09348     -0.21678888     -0.01755180
P   0.97           H   27.8           G   0.15           U   6
Residuals in seconds of arc
170930 G96  0.3+  1.3+    171001 G96  0.2+  0.5-    171001 595  0.6-  0.2+
170930 G96  0.1-  0.2-    171001 G96  0.8-  0.4+    171001 595  0.2+  0.8-
170930 G96  0.2+  1.1-    171001 G96  1.0+  1.2+    171001 595  0.8+  0.3-
170930 G96  0.2-  0.5+    171001 H21  0.1-  0.0     171001 K88  0.4-  0.3+
170930 G96 (0.4-  2.6+)   171001 H21  0.1-  0.0     171001 K88  0.1-  0.2+
170930 G96  0.3-  0.1-    171001 H21  0.1+  0.4+    171001 K88  0.4+  0.4+
170930 G96  0.3-  0.1-    171001 H21  0.2+  0.2+    171002 926  0.3-  0.1+
170930 K88  0.2+  0.4-    171001 H21  0.1+  0.2+    171002 926  0.1-  0.1+
170930 K88  0.2+  0.0     171001 H21  0.1+  0.1-    171002 926  0.2-  0.4-
170930 K88  0.3-  0.9-    171001 H21  0.2+  0.2-
171001 G96  0.6-  0.0     171001 H21  0.1+  0.3-

Ephemeris:
2017 SP21                a,e,i = 0.98, 0.14, 11                  q = 0.8438
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 09 07    13 11 53.3 +51 12 21   0.09640 0.9520    52.4   123.0    27.7
...
2017 09 22    13 27 55.0 +61 46 59   0.03471 0.9889    63.8   114.4    24.9
...
2017 09 30    00 34 13.5 +42 09 03   0.0085141.0081   140.5    39.2    19.0
...
2017 10 06    01 03 07.5 -29 37 48   0.02663 1.0217   145.1    34.0    21.4
2017 10 07    01 04 16.1 -32 05 57   0.03067 1.0239   142.4    36.6    21.8
2017 10 08    01 05 10.5 -33 58 16   0.03476 1.0261   140.2    38.6    22.1
...
2017 10 14    01 08 02.6 -39 24 20   0.05983 1.0389   132.5    45.1    23.5
...
2017 10 22    01 09 43.8 -41 11 04   0.09393 1.0547   127.2    48.7    24.6
...
2017 11 06    01 14 29.2 -39 55 05   0.1587  1.0803   120.4    52.3    25.9

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-T25




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