[Iaude] MPEC S246: 2017 SE20 [a=0.76,e=0.37,i=7.3,H=27.9]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sat Sep 30 14:47:16 EDT 2017


M.P.E.C. 2017-S246                               Issued 2017 Sept. 30, 18:44 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 SE20
 
Observations:
     K17S20E  C2017 09 26.43754 01 18 12.187-02 40 12.46         19.8 wLES246F51
     K17S20E  C2017 09 26.44087 01 17 58.531-02 40 02.12         19.7 wLES246F51
     K17S20E  C2017 09 26.44990 01 17 21.302-02 39 33.63         19.7 wLES246F51
     K17S20E* C2017 09 28.31734 23 35 01.41 -01 04 36.2          20.2 VqES246G96
     K17S20E  C2017 09 28.33601 23 34 10.41 -01 03 45.7          20.1 VqES246G96
     K17S20E  C2017 09 28.34129 23 33 56.27 -01 03 31.0          20.4 VqES246G96
     K17S20E  C2017 09 28.35814 23 33 10.58 -01 02 45.8          20.8 VqES246G96
     K17S20E  C2017 09 28.35859 23 33 09.37 -01 02 44.7          20.4 VqES246G96
     K17S20E  C2017 09 28.35902 23 33 08.20 -01 02 43.5          20.6 VqES246G96
     K17S20E  C2017 09 28.35947 23 33 06.99 -01 02 42.4          20.6 VqES246G96
     K17S20E  C2017 09 28.42507 23 30 28.982-00 58 26.89         20.2 wLES246F51
     K17S20E  C2017 09 28.44860 23 29 26.073-00 57 24.69         20.5 wLES246F51
     K17S20E  C2017 09 29.20131 23 01 37.66 -00 28 36.2          20.2 RoES246926
     K17S20E  C2017 09 29.20425 23 01 31.40 -00 28 29.0          20.4 RoES246926
     K17S20E  C2017 09 29.20719 23 01 25.10 -00 28 23.7          20.4 RoES246926
     K17S20E  C2017 09 29.30768 22 57 53.40 -00 24 55.1          20.2 VqES246G96
     K17S20E  C2017 09 29.30812 22 57 52.44 -00 24 53.8          20.6 VqES246G96
     K17S20E  C2017 09 29.30857 22 57 51.51 -00 24 52.7          20.4 VqES246G96
     K17S20E  C2017 09 29.30898 22 57 50.64 -00 24 51.6          20.7 VqES246G96
     K17S20E  C2017 09 30.12998 22 34 40.31 +00 00 51.7                qES246G96
     K17S20E  C2017 09 30.13073 22 34 39.04 +00 00 53.1                qES246G96
     K17S20E  C2017 09 30.13148 22 34 37.83 +00 00 54.6          20.4 VqES246G96
     K17S20E  C2017 09 30.13224 22 34 36.61 +00 00 55.7                qES246G96
     K17S20E  C2017 09 30.16326 22 33 46.20 +00 01 47.4                qES246I52
     K17S20E  C2017 09 30.18697 22 33 07.81 +00 02 26.2          20.5 VqES246I52
 
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.
G96 Mt. Lemmon Survey.  Observer J. A. Johnson.  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 SE20                                                Earth MOID = 0.0114 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 118.98164              (2000.0)            P               Q
n   1.50181392     Peri.  192.43599     -0.95558490     +0.29452970
a   0.7551942      Node     4.73246     -0.25835311     -0.82004832
e   0.3698788      Incl.    7.29503     -0.14181384     -0.49068626
P   0.66           H   27.9           G   0.15           U   8
Residuals in seconds of arc
170926 F51  0.2-  0.1-    170928 G96  0.0   0.1-    170929 G96  0.6-  0.3+
170926 F51  0.6+  0.1-    170928 F51  0.2-  0.0     170930 G96  0.5+  0.1-
170926 F51  0.4-  0.2+    170928 F51  0.4+  0.1+    170930 G96  0.3-  0.0
170928 G96 (4.2-  0.6+)   170929 926  0.4-  0.1-    170930 G96  0.1-  0.2+
170928 G96 (2.7-  0.2+)   170929 926  0.1+  0.7+    170930 G96  0.1+  0.1+
170928 G96  0.8+  0.6+    170929 926  0.1-  0.3-    170930 I52  0.2+  0.1+
170928 G96  0.0   0.1+    170929 G96  0.5+  0.5-    170930 I52  0.7+  0.3-
170928 G96  0.1+  0.0     170929 G96  0.3-  0.1-
170928 G96  0.1-  0.0     170929 G96  0.3-  0.0

Ephemeris:
2017 SE20                a,e,i = 0.76, 0.37, 7                   q = 0.4759
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 08 31    07 39 37.6 -02 39 03   0.1155  0.9323    45.6   129.3    28.7
...
2017 09 15    06 51 37.6 -03 19 39   0.05082 0.9896    70.1   107.1    25.4
...
2017 09 23    04 38 32.3 -04 01 00   0.01995 1.0106   110.2    68.7    21.8
...
2017 09 29    23 08 27.6 -00 32 29   0.02127 1.0220   161.6    18.1    20.5
2017 09 30    22 37 51.8 +00 00 19   0.02463 1.0235   153.1    26.3    21.1
2017 10 01    22 14 59.4 +00 25 07   0.02832 1.0249   146.5    32.6    21.6
...
2017 10 07    21 12 11.2 +01 34 36   0.05336 1.0313   125.4    52.1    23.5
...
2017 10 15    20 48 42.3 +02 06 35   0.08860 1.0341   112.3    63.2    25.0
...
2017 10 30    20 40 43.1 +02 43 29   0.1526  1.0216    96.5    75.0    26.5

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-S246




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