[Iaude] MPEC Q20: 2018 PS23 [a=2.67,e=0.52,i=4.5,H=21.6]

[mpec at mpcdb1.cfa.harvard.edu]

M.P.E.C. 2018-Q20                                Issued 2018 Aug. 16, 22:09 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


                                   2018 PS23
 
Observations:
     K18P23S  C2018 08 09.50441423 04 29.524+06 45 41.49         21.2 GVEQ020F51
     K18P23S  C2018 08 09.51726223 04 30.361+06 45 59.36         20.9 GVEQ020F51
     K18P23S  C2018 08 09.53016723 04 31.198+06 46 17.10         21.2 GVEQ020F51
     K18P23S  C2018 08 09.54308523 04 32.018+06 46 34.96         21.1 GVEQ020F51
     K18P23S* C2018 08 13.57386 23 09 19.508+08 19 31.85         21.7 wUEQ020F51
     K18P23S  C2018 08 13.58507 23 09 20.211+08 19 47.22         21.6 wUEQ020F51
     K18P23S  C2018 08 13.59625 23 09 20.915+08 20 02.50         21.6 wUEQ020F51
     K18P23S  C2018 08 13.60746 23 09 21.627+08 20 17.94         21.6 wUEQ020F51
     K18P23S |C2018 08 15.25878 23 11 18.12 +08 58 46.1          21.3 GUEQ020807
     K18P23S |C2018 08 15.26339 23 11 18.42 +08 58 52.5          21.3 GUEQ020807
     K18P23S |C2018 08 15.26778 23 11 18.68 +08 58 58.7          21.1 GUEQ020807
     K18P23S KC2018 08 16.31534 23 12 31.57 +09 22 45.3          21.5 GUEQ020734
     K18P23S KC2018 08 16.32093 23 12 31.93 +09 22 52.0          21.3 GUEQ020734
 
Observer details:
734 Farpoint Observatory.  Observer G. Hug.  0.69-m reflector + CCD.
807 Cerro Tololo.  Observers T. Linder, R. Holmes.  1.00-m f/10.0 astrograph
    + 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. Magnier, Y. Ramanjooloo, R. Wainscoat, C. Waters, R. Weryk.
    1.8-m Ritchey-Chretien + CCD.
 
Orbital elements:
2018 PS23                                                Earth MOID = 0.2985 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 317.80281              (2000.0)            P               Q
n   0.22591575     Peri.   90.26397     +0.99493120     -0.06315358
a   2.6699618      Node   273.35769     +0.02660944     +0.91579420
e   0.5175019      Incl.    4.49589     +0.09697346     +0.39665176
P   4.36           H   21.6           G   0.15           U   7
Residuals in seconds of arc
180809 F51  0.1-  0.1-    180813 F51  0.0   0.0     180815 807  0.1-  0.1+
180809 F51  0.0   0.0     180813 F51  0.0   0.1-    180816 734  0.2-  0.6+
180809 F51  0.1+  0.0     180813 F51  0.0   0.1-    180816 734  0.1+  0.4-
180809 F51  0.0   0.1+    180815 807  0.2-  0.1-
180813 F51  0.0   0.1+    180815 807  0.1+  0.1-

Ephemeris:
2018 PS23                a,e,i = 2.67, 0.52, 4                   q = 1.2883
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 07 17    22 33 45.7 -01 40 50   0.5922  1.4915   134.3    29.2    22.6
...
2018 08 01    22 53 53.7 +03 33 25   0.4787  1.4202   141.2    26.6    22.0
...
2018 08 09    23 03 52.8 +06 34 10   0.4297  1.3871   144.7    25.0    21.6
...
2018 08 15    23 11 00.0 +08 52 32   0.3984  1.3649   147.2    23.7    21.4
2018 08 16    23 12 09.5 +09 15 38   0.3936  1.3614   147.6    23.5    21.4
2018 08 17    23 13 18.7 +09 38 42   0.3889  1.3580   148.0    23.3    21.3
...
2018 08 23    23 20 05.8 +11 55 42   0.3636  1.3392   150.2    22.0    21.1
...
2018 08 31    23 28 51.1 +14 49 45   0.3366  1.3183   153.0    20.4    20.8
...
2018 09 15    23 44 45.1 +19 15 03   0.3061  1.2935   157.2    17.5    20.5

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-Q20