[Iaude] MPEC Y16: 2019 SH187 [a=17.56,e=0.09,i=15.0,H=10.8]

[mpec at marsden.cfa.harvard.edu]

M.P.E.C. 2021-Y16                             Issued 2021 December 17, 16:50 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

                                   2019 SH187                                   


Observations:
     K19SI7H*.C2019 09 24.29406 00 30 05.694-09 34 21.73         22.9 rVEY016807
     K19SI7H .C2019 09 26.23959 00 29 46.668-09 36 44.81         22.8 rVEY016807
     K19SI7H .C2019 11 29.02619 00 21 36.558-10 14 30.36         23.5 rVEY016304
     K19SI7H .C2019 11 30.02574 00 21 33.562-10 14 18.08         23.6 rVEY016304
     K19SI7H .C2019 12 27.07744 00 21 32.329-09 59 09.95               VEY016304
     K19SI7H .C2019 12 27.10089 00 21 32.401-09 59 08.56               VEY016304
     K19SI7H .C2020 12 17.03045 00 40 03.666-08 58 30.29         23.7 rVEY016304
     K19SI7H .C2021 01 15.05371 00 41 25.103-08 31 51.55               VEY016304
     K19SI7H .C2021 01 16.04711 00 41 30.979-08 30 39.52               VEY016304

Observer details:
304 Las Campanas Observatory.  Observers S. S. Sheppard, C. Trujillo, W.
    Oldroyd.  Measurer S. S. Sheppard.  6.5-m Magellan-Baade telescope + CCD.
807 Cerro Tololo Observatory, La Serena.  Observers S. S. Sheppard, C.
    Trujillo.  Measurer S. S. Sheppard.  4.0-m CTIO reflector + CCD.

Orbital elements:
2019 SH187                                                                      
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Alexandersen            
M 103.22822              (2000.0)            P               Q                  
n   0.01339545     Peri.  126.24384     -0.12061776     +0.97616203             
a  17.5589200      Node   135.72281     -0.97339489     -0.08062993             
e   0.0888834      Incl.   14.97891     -0.19481718     -0.20151055             
P  73.6            H   10.87          G   0.15           U   6                  
Residuals in seconds of arc
190924 807  0.1-  0.0     191130 304  0.1-  0.1-    201217 304  0.2-  0.0
190926 807  0.1+  0.0     191227 304  0.0   0.0     210115 304  0.1+  0.1-
191129 304  0.1-  0.0     191227 304  0.2+  0.1+    210116 304  0.0   0.1+

Ephemeris:
2019 SH187               a,e,i = 17.56, 0.09, 15                 q = 15.9982
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 17    01 00 45.6 -07 52 07  17.3111 18.0209   134.8     2.2    23.6
...
2021 12 02    00 59 19.7 -07 53 06  17.5138 18.0260   119.9     2.7    23.7
...
2021 12 10    00 58 50.5 -07 51 12  17.6369 18.0288   112.0     2.9    23.7
...
2021 12 16    00 58 37.0 -07 48 41  17.7342 18.0308   106.0     3.0    23.7
2021 12 17    00 58 35.4 -07 48 10  17.7507 18.0311   105.0     3.0    23.7
2021 12 18    00 58 34.1 -07 47 38  17.7673 18.0315   104.0     3.0    23.7
...
2021 12 24    00 58 30.6 -07 43 56  17.8683 18.0335    98.1     3.1    23.7
...
2022 01 01    00 58 37.8 -07 37 42  18.0053 18.0362    90.2     3.1    23.7
...
2022 01 16    00 59 27.8 -07 22 25  18.2604 18.0413    75.6     3.0    23.8

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-Y16