[Iaude] MPEC Q18: 2018 PQ23 [a=2.08,e=0.60,i=18.5,H=19.3,PHA]

[mpec at mpcdb1.cfa.harvard.edu]

M.P.E.C. 2018-Q18                                Issued 2018 Aug. 16, 22:00 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 PQ23
 
Observations:
     K18P23Q* C2018 08 12.60166 04 29 16.019+18 20 24.99         20.6 wUEQ018F51
     K18P23Q  C2018 08 12.60619 04 29 17.842+18 20 41.80         20.7 wUEQ018F51
     K18P23Q  C2018 08 12.61072 04 29 19.675+18 20 58.63         20.8 wUEQ018F51
     K18P23Q  C2018 08 12.61523 04 29 21.496+18 21 15.36         20.7 wUEQ018F51
     K18P23Q KC2018 08 13.07990504 32 31.98 +18 49 33.4          20.3 GVEQ018L01
     K18P23Q KC2018 08 13.08343504 32 33.47 +18 49 47.3          20.4 GVEQ018L01
     K18P23Q KC2018 08 13.08692104 32 34.88 +18 49 59.6          20.2 GVEQ018L01
     K18P23Q KC2018 08 16.11021804 53 31.38 +21 47 44.6          20.2 VqEQ018L01
     K18P23Q KC2018 08 16.11258504 53 32.33 +21 47 52.3          20.3 VqEQ018L01
     K18P23Q KC2018 08 16.11613004 53 33.90 +21 48 04.9          20.3 VqEQ018L01
     K18P23Q KC2018 08 16.45694204 55 57.391+22 07 16.54         20.6 GVEQ018679
     K18P23Q KC2018 08 16.45936004 55 58.391+22 07 24.68         21.2 GVEQ018679
 
Observer details:
679 San Pedro Martir.  Observers J. S. Silva, M. Reyes-Ruiz.  Measurer
    M. Micheli.  2.12-m reflector + 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.
L01 Visnjan Observatory, Tican.  Observers K. Korlevic, F. Hrzenjak,
    G. Kervina, E. Pettarin, A. Dragovic.  Measurer E. Pettarin.  1.0-m f/2.9
    reflector + CCD.
 
Orbital elements:
2018 PQ23                                           PHA, Earth MOID = 0.0442 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 301.50520              (2000.0)            P               Q
n   0.32891849     Peri.   45.96027     +0.76076240     -0.64823494
a   2.0784705      Node   354.17592     +0.46714011     +0.58125075
e   0.5971802      Incl.   18.45653     +0.45057818     +0.49187297
P   3.00           H   19.3           G   0.15           U   9
Residuals in seconds of arc
180812 F51  0.2-  0.2-    180813 L01  0.6-  0.6-    180816 L01  0.9-  0.5-
180812 F51  0.3-  0.2-    180813 L01  0.1+  0.3+    180816 L01  0.4+  0.0
180812 F51  0.3-  0.2-    180813 L01  0.1-  0.2-    180816 679  0.0   0.1-
180812 F51  0.3-  0.2-    180816 L01  0.4-  0.1-    180816 679  0.2-  0.1-

Ephemeris:
2018 PQ23                a,e,i = 2.08, 0.60, 18                  q = 0.8372
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 07 17    01 55 53.5 -08 32 28   0.6092  1.1885    90.4    58.8    20.7
...
2018 08 01    03 15 05.7 +05 47 49   0.5177  1.0625    80.7    70.5    20.5
...
2018 08 09    04 05 07.1 +14 32 23   0.5028  1.0009    74.1    77.0    20.5
...
2018 08 15    04 45 45.7 +20 44 10   0.5091  0.9588    69.2    81.0    20.6
2018 08 16    04 52 44.1 +21 41 37   0.5116  0.9522    68.4    81.6    20.6
2018 08 17    04 59 45.1 +22 37 25   0.5145  0.9457    67.7    82.1    20.6
...
2018 08 23    05 42 26.1 +27 31 53   0.5397  0.9099    63.6    84.4    20.7
...
2018 08 31    06 39 04.7 +32 02 01   0.5915  0.8718    59.3    85.0    20.8
...
2018 09 15    08 14 51.5 +34 38 46   0.7248  0.8376    55.0    79.8    21.0

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-Q18