[Iaude] MPEC T07: 2017 SY20 [a=2.33,e=0.55,i=5.4,H=24.1]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sun Oct 1 10:43:20 EDT 2017


M.P.E.C. 2017-T07                                Issued 2017 Oct. 1, 14:40 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 SY20
 
Observations:
     K17S20Y* C2017 09 29.10762 21 34 49.83 +08 16 34.6          21.0 VqET007G96
     K17S20Y  C2017 09 29.11346 21 34 50.89 +08 16 34.8          21.5 VqET007G96
     K17S20Y  C2017 09 29.11924 21 34 51.99 +08 16 34.7          21.8 VqET007G96
     K17S20Y  C2017 09 29.14517 21 34 56.71 +08 16 34.6                qET007G96
     K17S20Y  C2017 09 29.14824 21 34 57.29 +08 16 34.3                qET007G96
     K17S20Y  C2017 09 29.14990 21 34 57.61 +08 16 34.7                qET007G96
     K17S20Y  C2017 09 29.24930 21 35 15.77 +08 16 29.6                qET007I52
     K17S20Y  C2017 09 29.25255 21 35 16.40 +08 16 29.6                qET007I52
     K17S20Y  C2017 09 29.25581 21 35 17.01 +08 16 29.8                qET007I52
     K17S20Y  C2017 09 29.25906 21 35 17.66 +08 16 28.8          21.0 VqET007I52
     K17S20Y  C2017 09 30.12144 21 38 34.96 +08 15 49.1                qET007I52
     K17S20Y  C2017 09 30.12431 21 38 35.57 +08 15 49.3                qET007I52
     K17S20Y  C2017 09 30.12653 21 38 36.02 +08 15 49.5          21.5 VqET007G96
     K17S20Y  C2017 09 30.12719 21 38 36.16 +08 15 50.3          20.5 VqET007I52
     K17S20Y  C2017 09 30.12745 21 38 36.20 +08 15 49.6                qET007G96
     K17S20Y  C2017 09 30.12822 21 38 36.36 +08 15 49.7          22.1 VqET007G96
     K17S20Y  C2017 09 30.12897 21 38 36.55 +08 15 49.5          21.1 VqET007G96
     K17S20Y  C2017 09 30.16196 21 38 43.28 +08 15 49.1          20.1 RoET007926
     K17S20Y  C2017 09 30.16587 21 38 44.06 +08 15 49.2          20.5 RoET007926
     K17S20Y  C2017 09 30.16978 21 38 44.85 +08 15 49.2          19.7 RoET007926
     K17S20Y  C2017 10 01.08900 21 42 33.27 +08 14 47.3          19.9 VqET007G96
     K17S20Y  C2017 10 01.09000 21 42 33.43 +08 14 46.7          19.9 VqET007G96
     K17S20Y  C2017 10 01.09100 21 42 33.59 +08 14 47.1          19.9 VqET007G96
     K17S20Y  C2017 10 01.09203 21 42 33.87 +08 14 47.8          19.9 VqET007G96
 
Observer details:
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.
I52 Steward Observatory, Mt. Lemmon Station.  Observer 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.  1.0-m reflector + CCD.
 
Orbital elements:
2017 SY20                                                Earth MOID = 0.0483 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 346.81715              (2000.0)            P               Q
n   0.27690254     Peri.  183.70480     +0.88242768     -0.46882766
a   2.3312280      Node   204.37313     +0.43402111     +0.84329274
e   0.5523150      Incl.    5.42462     +0.18151325     +0.26278885
P   3.56           H   24.1           G   0.15           U   6
Residuals in seconds of arc
170929 G96  0.1+  0.1-    170929 I52  0.0   0.4+    170930 G96  0.5+  0.2+
170929 G96  0.1-  0.1+    170929 I52  0.6+  0.4-    170930 926  0.5+  0.3-
170929 G96  0.4+  0.1+    170930 I52  0.2-  0.4-    170930 926  0.3+  0.1-
170929 G96  0.0   0.3+    170930 I52  0.1+  0.1-    170930 926  0.3+  0.1+
170929 G96  0.3+  0.1+    170930 G96  0.0   0.1+    171001 G96  1.3+  0.1+
170929 G96  0.5+  0.5+    170930 I52  0.1+  1.0+    171001 G96  0.3+  0.5-
170929 I52  0.4-  0.3-    170930 G96  0.1-  0.3+    171001 G96  0.8-  0.0
170929 I52  0.0   0.0     170930 G96  0.0   0.4+    171001 G96  0.1-  0.7+

Ephemeris:
2017 SY20                a,e,i = 2.33, 0.55, 5                   q = 1.0437
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 09 01    21 07 45.0 +07 08 37   0.2249  1.2126   152.1    22.9    22.4
...
2017 09 16    21 09 50.2 +08 06 12   0.1556  1.1325   142.3    32.9    21.7
...
2017 09 24    21 20 43.2 +08 17 06   0.1228  1.0985   138.7    37.0    21.2
...
2017 09 30    21 38 04.6 +08 16 33   0.09968 1.0778   138.1    38.3    20.8
2017 10 01    21 42 07.2 +08 15 33   0.09598 1.0748   138.3    38.3    20.7
2017 10 02    21 46 34.8 +08 14 12   0.09233 1.0719   138.6    38.2    20.6
...
2017 10 08    22 24 46.6 +07 54 37   0.07186 1.0574   142.9    34.7    19.9
...
2017 10 16    00 03 55.1 +06 07 35   0.05200 1.0460   160.1    18.9    18.7
...
2017 10 31    04 09 09.2 -01 24 37   0.06625 1.0502   149.0    29.1    19.6

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-T07




More information about the Iaude mailing list