[Iaude] MPEC Q19: 2018 PR23 [a=1.23,e=0.26,i=2.1,H=25.3]

[mpec at mpcdb1.cfa.harvard.edu]

M.P.E.C. 2018-Q19                                Issued 2018 Aug. 16, 22:04 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 PR23
 
Observations:
     K18P23R* C2018 08 13.53271 23 40 42.940+04 08 43.51         22.2 wUEQ019F51
     K18P23R  C2018 08 13.54477 23 40 40.119+04 08 07.02         22.2 wUEQ019F51
     K18P23R  C2018 08 13.55677 23 40 37.294+04 07 29.95         21.7 wUEQ019F51
     K18P23R KC2018 08 14.29993823 38 10.89 +03 29 49.3          22.0 VuEQ019H21
     K18P23R KC2018 08 14.30561323 38 09.63 +03 29 32.6          21.9 VuEQ019H21
     K18P23R KC2018 08 14.31209923 38 08.19 +03 29 13.5          22.4 VuEQ019H21
     K18P23R |C2018 08 16.30573 23 31 45.07 +01 55 26.5          22.7 GUEQ019807
     K18P23R |C2018 08 16.31034 23 31 44.10 +01 55 13.7          22.5 GUEQ019807
     K18P23R |C2018 08 16.31476 23 31 43.15 +01 55 01.6          22.5 GUEQ019807
 
Observer details:
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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  1.3-m f/4.0
    astrograph + CCD.
 
Orbital elements:
2018 PR23                                                Earth MOID = 0.0171 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 308.76329              (2000.0)            P               Q
n   0.72510945     Peri.   83.62410     -0.45977377     +0.88793549
a   1.2270634      Node   158.98741     -0.82878369     -0.42364191
e   0.2606814      Incl.    2.13624     -0.31894463     -0.17915943
P   1.36           H   25.3           G   0.15           U   6
Residuals in seconds of arc
180813 F51  0.0   0.1-    180814 H21  0.1-  0.1-    180816 807  0.1-  0.0
180813 F51  0.1+  0.2+    180814 H21  0.0   0.0     180816 807  0.1+  0.1-
180813 F51  0.2-  0.2-    180814 H21  0.2+  0.1+    180816 807  0.0   0.1+

Ephemeris:
2018 PR23                a,e,i = 1.23, 0.26, 2                   q = 0.9072
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 07 17    02 35 14.9 +39 35 21   0.06277 0.9936    67.0   109.6    23.4
...
2018 08 01    00 32 41.3 +17 19 41   0.07955 1.0492   113.4    62.6    22.1
...
2018 08 09    23 57 03.1 +08 18 24   0.09558 1.0813   133.0    43.3    22.0
...
2018 08 15    23 35 53.5 +02 56 25   0.1104  1.1061   145.9    30.9    22.1
2018 08 16    23 32 43.1 +02 08 58   0.1131  1.1102   147.9    29.0    22.1
2018 08 17    23 29 38.4 +01 23 12   0.1160  1.1144   150.0    27.1    22.1
...
2018 08 23    23 13 02.1 -02 37 50   0.1345  1.1395   161.3    16.5    22.1
...
2018 08 31    22 55 30.6 -06 39 21   0.1641  1.1730   174.7     4.6    22.1
...
2018 09 15    22 35 37.1 -11 00 07   0.2358  1.2346   164.4    12.6    23.4

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-Q19