[Iaude] MPEC T10: 2017 SB21 [a=1.71,e=0.45,i=11.2,H=24.6]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sun Oct 1 12:29:17 EDT 2017


M.P.E.C. 2017-T10                                Issued 2017 Oct. 1, 16:25 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 SB21
 
Observations:
     K17S21B  C2017 09 22.57304 03 10 07.807-17 08 41.27         21.4 wLET010F51
     K17S21B  C2017 09 22.58510 03 10 00.318-17 06 14.69         21.7 wLET010F51
     K17S21B* C2017 09 29.56271 02 17 48.318+02 11 21.08         21.1 wLET010F51
     K17S21B  C2017 09 29.57495 02 17 43.698+02 12 54.03         21.0 wLET010F51
     K17S21B  C2017 09 29.58727 02 17 39.038+02 14 27.93         20.7 wLET010F51
     K17S21B  C2017 09 29.59956 02 17 34.440+02 16 01.32         20.8 wLET010F51
     K17S21B KC2017 09 30.31310902 13 36.31 +03 43 24.1          21.2 VuET010H21
     K17S21B KC2017 09 30.31821802 13 34.49 +03 44 00.7          21.3 VuET010H21
     K17S21B KC2017 09 30.32490502 13 32.09 +03 44 48.5          21.0 VuET010H21
     K17S21B  C2017 09 30.33052 02 13 31.94 +03 45 38.7          20.3 RoET010926
     K17S21B  C2017 09 30.33381 02 13 30.76 +03 46 01.8          21.0 RoET010926
     K17S21B  C2017 09 30.33708 02 13 29.55 +03 46 25.7          20.4 RoET010926
     K17S21B  C2017 09 30.37397 02 13 16.36 +03 50 48.6          20.4 RoET010926
     K17S21B  C2017 09 30.37723 02 13 15.19 +03 51 12.1          20.9 RoET010926
     K17S21B  C2017 09 30.38052 02 13 14.02 +03 51 36.0          20.6 RoET010926
     K17S21B  C2017 09 30.49299 02 12 37.665+04 05 06.04         20.9 wLET010F51
     K17S21B  C2017 09 30.49365 02 12 37.422+04 05 10.79         21.0 wLET010F51
     K17S21B  C2017 09 30.50515 02 12 33.315+04 06 31.68         21.0 wLET010F51
     K17S21B  C2017 09 30.50579 02 12 33.072+04 06 36.33         20.9 wLET010F51
     K17S21B  C2017 09 30.51793 02 12 28.721+04 08 02.10         21.8 wLET010F51
     K17S21B  C2017 09 30.52939 02 12 24.646+04 09 21.97         21.0 wLET010F51
 
Observer details:
926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
    M. Schwartz.  0.81-m f/7 Ritchey-Chretien + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
    M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
    M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters, R. Weryk.  1.8-m
    Ritchey-Chretien + 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.
 
Orbital elements:
2017 SB21                                                Earth MOID = 0.0648 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M   9.26655              (2000.0)            P               Q
n   0.43888264     Peri.  300.62598     +0.69571525     +0.71683283
a   1.7148933      Node    13.76929     -0.57462072     +0.59395230
e   0.4451091      Incl.   11.18339     -0.43103516     +0.36520045
P   2.25           H   24.6           G   0.15           U   6
Residuals in seconds of arc
170922 F51  0.0   0.1-    170930 H21  0.6-  0.7+    170930 926  0.4-  1.2+
170922 F51  0.2-  0.1-    170930 H21  0.8-  0.7+    170930 F51  0.1-  0.3-
170929 F51  0.2+  0.2+    170930 926  0.8-  0.9+    170930 F51  0.2-  0.2-
170929 F51  0.4+  0.1-    170930 926  0.8-  0.4+    170930 F51  0.1+  0.4-
170929 F51  0.2+  0.1+    170930 926  1.4-  0.9+    170930 F51  0.1-  0.3-
170929 F51  0.5+  0.2+    170930 926  0.5-  0.5+    170930 F51  0.1-  0.1+
170930 H21  0.7-  0.7+    170930 926  0.5-  0.7+    170930 F51  0.4+  0.6-

Ephemeris:
2017 SB21                a,e,i = 1.71, 0.45, 11                  q = 0.9516
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 09 01    08 52 27.1 -58 19 47   0.1209  0.9749    70.2   103.1    23.7
...
2017 09 16    04 31 16.7 -39 54 58   0.07520 1.0261   103.9    72.1    21.6
...
2017 09 24    02 57 11.8 -12 28 09   0.08172 1.0626   135.0    41.9    20.9
...
2017 09 30    02 15 21.0 +03 06 16   0.1024  1.0933   152.4    25.1    21.0
2017 10 01    02 09 55.2 +05 03 42   0.1068  1.0987   154.6    23.0    21.0
2017 10 02    02 04 50.4 +06 51 30   0.1114  1.1041   156.7    21.0    21.1
...
2017 10 08    01 40 17.2 +14 52 41   0.1426  1.1377   165.4    12.8    21.4
...
2017 10 16    01 18 47.9 +20 42 24   0.1918  1.1852   168.0    10.1    22.0
...
2017 10 31    00 59 52.6 +24 53 36   0.3036  1.2795   158.1    16.8    23.4

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-T10




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