[Iaude] MPEC T06: 2017 SX20 [a=1.32,e=0.17,i=25.4,H=24.0]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sun Oct 1 10:39:20 EDT 2017


M.P.E.C. 2017-T06                                Issued 2017 Oct. 1, 14:35 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 SX20
 
Observations:
     K17S20X  C2017 09 25.35895 23 38 08.152+28 12 39.19         20.4 wLET006F51
     K17S20X* C2017 09 28.29984 23 49 58.49 +18 10 27.7          20.1 VqET006703
     K17S20X  C2017 09 28.30551 23 49 59.70 +18 09 10.5          20.2 VqET006703
     K17S20X  C2017 09 28.31113 23 50 00.93 +18 07 52.6          20.7 VqET006703
     K17S20X  C2017 09 28.39915 23 50 20.39 +17 47 55.4          20.2 VqET006I52
     K17S20X  C2017 09 28.40080 23 50 20.76 +17 47 32.9          20.3 VqET006I52
     K17S20X  C2017 09 28.40247 23 50 21.16 +17 47 10.2          20.0 VqET006I52
     K17S20X  C2017 09 28.40413 23 50 21.52 +17 46 47.0          20.2 VqET006I52
     K17S20X  C2017 09 30.27670 23 58 17.83 +10 22 26.3          19.8 VqET006G96
     K17S20X  C2017 09 30.27759 23 58 18.06 +10 22 12.8          19.7 VqET006G96
     K17S20X  C2017 09 30.27834 23 58 18.22 +10 22 01.6          19.5 VqET006G96
     K17S20X  C2017 09 30.27910 23 58 18.37 +10 21 50.8          20.2 VqET006G96
     K17S20X  C2017 09 30.34371 23 58 32.93 +10 05 50.9          20.0 VqET006I52
     K17S20X  C2017 09 30.34413 23 58 33.04 +10 05 45.1                qET006I52
     K17S20X  C2017 09 30.34455 23 58 33.12 +10 05 39.0          20.0 VqET006I52
     K17S20X  C2017 09 30.34496 23 58 33.22 +10 05 32.8          20.1 VqET006I52
     K17S20X  C2017 10 01.09700 00 01 52.95 +06 57 07.9          20.0 VqET006G96
     K17S20X  C2017 10 01.09901 00 01 53.43 +06 56 37.4          20.1 VqET006G96
     K17S20X  C2017 10 01.10103 00 01 53.95 +06 56 06.9          19.7 VqET006G96
     K17S20X  C2017 10 01.10304 00 01 54.43 +06 55 35.9          19.6 VqET006G96
     K17S20X  C2017 10 01.29457 00 02 39.00 +06 07 07.9          19.7 RoET006926
     K17S20X  C2017 10 01.29646 00 02 39.44 +06 06 38.9          19.9 RoET006926
     K17S20X  C2017 10 01.29837 00 02 39.86 +06 06 09.6          19.7 RoET006926
 
Observer details:
703 Catalina Sky Survey.  Observer G. J. Leonard.  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.
    0.68-m Schmidt + 10K CCD.
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.
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 SX20                                                Earth MOID = 0.0981 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 327.66554              (2000.0)            P               Q
n   0.65229407     Peri.  199.62847     +0.88567683     -0.45982235
a   1.3167614      Node   188.63148     +0.46226505     +0.88625005
e   0.1723675      Incl.   25.38672     +0.04344622     -0.05589503
P   1.51           H   24.0           G   0.15           U   7
Residuals in seconds of arc
170925 F51  0.0   0.1-    170930 G96  0.1-  0.2-    171001 G96  0.0   0.2+
170928 703 (0.7+  1.7+)   170930 G96  0.3+  0.5-    171001 G96  0.2-  0.1+
170928 703  0.3+  1.2+    170930 G96  0.2+  0.6-    171001 G96  0.2+  0.2+
170928 703  0.4+  0.6-    170930 G96  0.1-  0.2-    171001 G96  0.0   0.4-
170928 I52  0.2-  0.3+    170930 I52  0.0   0.6-    171001 926  0.2-  0.5+
170928 I52  0.2-  0.3+    170930 I52  0.2+  0.2-    171001 926  0.0   0.4+
170928 I52  0.1+  0.5+    170930 I52  0.0   0.0     171001 926  0.2-  0.2+
170928 I52  0.1-  0.0     170930 I52  0.1+  0.1-

Ephemeris:
2017 SX20                a,e,i = 1.32, 0.17, 25                  q = 1.0898
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 09 01    22 30 16.9 +57 46 24   0.2693  1.1448   113.8    53.8    23.4
...
2017 09 16    23 05 25.7 +47 36 36   0.1675  1.1189   129.2    44.1    22.1
...
2017 09 24    23 32 51.1 +32 08 28   0.1222  1.1081   147.4    29.2    20.9
...
2017 09 30    23 57 06.9 +11 31 08   0.1018  1.1015   168.8    10.2    19.9
2017 10 01    00 01 23.2 +07 22 33   0.1003  1.1006   172.0     7.3    19.7
2017 10 02    00 05 42.2 +03 07 29   0.09934 1.0996   173.4     6.0    19.7
...
2017 10 08    00 32 06.8 -21 29 03   0.1070  1.0949   152.2    25.2    20.5
...
2017 10 16    01 06 18.1 -43 01 33   0.1431  1.0910   128.0    46.0    21.7
...
2017 10 31    01 58 40.7 -57 35 33   0.2379  1.0909   108.2    59.8    23.2

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-T06




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