[Iaude] MPEC F157: 2016 SW50 [a=72.58,e=0.51,i=32.5,H=8.7]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Thu Mar 29 21:17:19 EDT 2018


M.P.E.C. 2018-F157                               Issued 2018 Mar. 30, 01:13 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 https://www.minorplanetcenter.net/    ISSN 1523-6714


                                   2016 SW50
 
Observations:
     K16S50W*7C2016 09 22.29505202 21 28.01 -05 32 29.4          23.8 r EF157W84
     K16S50W 7C2016 09 26.24205502 21 11.16 -05 34 25.0          23.5 i EF157W84
     K16S50W 7C2016 10 08.11747102 20 14.86 -05 39 54.6          23.2 i EF157W84
     K16S50W 7C2016 11 22.17323502 16 14.06 -05 50 47.4          24.1 r EF157W84
     K16S50W 7C2017 09 07.24242702 27 59.02 -03 52 14.1          23.9 z EF157W84
     K16S50W 7C2017 09 12.37073202 27 43.49 -03 54 39.9          24.1 i EF157W84
     K16S50W 7C2017 09 14.20486102 27 37.45 -03 55 31.9          24.6 g EF157W84
     K16S50W 7C2017 09 14.21734402 27 37.40 -03 55 31.9          24.3 r EF157W84
     K16S50W 7C2017 09 19.27104102 27 19.18 -03 57 56.2          24.1 i EF157W84
     K16S50W 7C2017 09 23.24503602 27 03.44 -03 59 50.0          24.4 z EF157W84
     K16S50W 7C2017 09 23.29831502 27 03.25 -03 59 51.1          24.8 g EF157W84
     K16S50W 7C2017 09 23.31090202 27 03.19 -03 59 51.7          24.3 r EF157W84
     K16S50W 7C2017 10 13.21753302 25 29.67 -04 08 41.5          25.1 g EF157W84
     K16S50W 7C2017 10 14.16862902 25 24.72 -04 09 04.3          24.1 r EF157W84
     K16S50W 7C2017 10 14.19955802 25 24.57 -04 09 04.7          24.0 i EF157W84
     K16S50W 7C2017 10 17.28420802 25 08.30 -04 10 15.7          24.8 g EF157W84
     K16S50W 7C2017 10 19.11871402 24 58.47 -04 10 56.4          24.4 r EF157W84
     K16S50W 7C2017 10 19.13854802 24 58.37 -04 10 56.5          24.1 i EF157W84
     K16S50W 7C2017 10 21.17639502 24 47.33 -04 11 39.6          24.8 g EF157W84
     K16S50W 7C2017 10 26.23854802 24 19.65 -04 13 18.8          24.1 r EF157W84
     K16S50W 7C2017 10 26.25843102 24 19.54 -04 13 19.2          24.2 i EF157W84
     K16S50W 7C2017 10 31.12046802 23 52.71 -04 14 42.2          23.9 i EF157W84
     K16S50W 7C2017 11 14.09776502 22 36.23 -04 17 22.9          24.5 r EF157W84
     K16S50W 7C2017 11 14.11763402 22 36.14 -04 17 23.0          24.2 i EF157W84
     K16S50W 7C2017 11 19.18898502 22 09.42 -04 17 49.7          24.4 r EF157W84
     K16S50W 7C2017 11 19.22261102 22 09.24 -04 17 49.8          24.0 i EF157W84
 
Observer details:
W84 Cerro Tololo-DECam.  Observers K. Stringer, J. Marshall, C. Wethers,
    N. Sevilla, M. Manera, K. Vivas, F. Tarsitano, A. Kremin, R. Kron, B. Nord,
    Y. Zhang, A. Ferte, S. Hamilton, R. Bhatawdekar, J. Annis, E. Cook,
    M. Sauseda, E. Balbinot, L. Secco, W. Wester, S. Kent, M. Johnson, M. Sako,
    S. Allam, D. Tucker, D. Hollowood, N. Weaverdyck, K. Romer, S. Bhargava,
    N. Shipp, G. Khullar, B. Yanny, M. Gill, M. Murphy, K. Furnell,
    R. Wilkinson, I. Friswell, H.-Y. Wu, A. Smith, D. Gulledge, T. Li,
    R. Capasso, F. Paz, S. Everett, R. Cawthon, M. Medford, B. Soergel,
    D. Goldstein, N. Kuropatkin, D. DePoy, T. Prochaska, M. Gelman.  Measurers
    L. Markwardt, D. Gerdes.  4.0-m f/2.87 reflector + CCD.
 
Orbital elements:
2016 SW50
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 358.25701              (2000.0)            P               Q
n   0.00159412     Peri.  333.95752     +0.75886788     -0.45004553
a  72.5754271      Node    61.03782     +0.65077612     +0.49663027
e   0.5060479      Incl.   32.54789     +0.02469779     +0.74217074
P 618              H    8.7           G   0.15           U   4
Residuals in seconds of arc
160922 W84  0.2+  0.3-    170923 W84  0.5-  0.0     171021 W84  0.3-  0.2+
160926 W84  0.0   0.0     170923 W84  0.0   0.4+    171026 W84  0.1-  0.1+
161008 W84  0.2-  0.3-    170923 W84  0.2-  0.2+    171026 W84  0.1-  0.0
161122 W84  0.0   0.7+    171013 W84  0.1+  0.3-    171031 W84  0.1+  0.1-
170907 W84  0.2+  0.3+    171014 W84  0.0   0.5-    171114 W84  0.1-  0.0
170912 W84  0.3-  0.5-    171014 W84  0.2+  0.1-    171114 W84  0.2+  0.1+
170914 W84  0.2+  0.2-    171017 W84  0.4+  0.1-    171119 W84  0.1-  0.0
170914 W84  0.1+  0.2+    171019 W84  0.0   0.3-    171119 W84  0.1-  0.0
170919 W84  0.0   0.5+    171019 W84  0.1+  0.0

Ephemeris:
2016 SW50                a,e,i = 72.58, 0.51, 33                 q = 35.849
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 02 28    02 20 30.9 -03 25 12  36.4898 35.9213    54.3     1.3    24.5
...
2018 03 15    02 21 41.2 -03 11 08  36.6663 35.9194    40.8     1.0    24.5
...
2018 03 23    02 22 25.5 -03 03 39  36.7410 35.9184    33.9     0.9    24.4
...
2018 03 29    02 23 01.2 -02 58 07  36.7870 35.9176    29.0     0.8    24.4
2018 03 30    02 23 07.3 -02 57 12  36.7938 35.9175    28.3     0.8    24.4
2018 03 31    02 23 13.5 -02 56 17  36.8004 35.9173    27.5     0.7    24.4
...
2018 04 06    02 23 51.6 -02 50 55  36.8344 35.9166    23.2     0.6    24.4
...
2018 04 14    02 24 44.4 -02 44 00  36.8651 35.9156    18.5     0.5    24.4
...
2018 04 29    02 26 27.1 -02 32 04  36.8763 35.9137    16.8     0.5    24.4

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-F157



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