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    • MPEC 2018-Q05 : 2018 PK22

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    M.P.E.C. 2018-Q05                                Issued 2018 Aug. 16, 01:39 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@CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                   2018 PK22

Observations:
     K18P22K* C2018 08 13.40950 20 58 51.13 -46 56 20.4          18.1 oUEQ005T08
     K18P22K  C2018 08 13.41962 20 58 55.63 -46 55 35.5          18.7 oUEQ005T08
     K18P22K  C2018 08 13.42934 20 58 59.91 -46 54 52.0          18.5 oUEQ005T08
     K18P22K  C2018 08 13.43118 20 59 00.87 -46 54 42.8          18.2 oUEQ005T08
     K18P22K [C2018 08 13.62407 21 00 33.73 -46 39 25.4          18.6 VqEQ005Q62
     K18P22K [C2018 08 13.62800 21 00 35.46 -46 39 08.1          18.6 VqEQ005Q62
     K18P22K [C2018 08 13.63161 21 00 37.10 -46 38 50.9          18.4 VqEQ005Q62
     K18P22K KC2018 08 14.57028 21 08 06.76 -45 27 06.6          18.3 VqEQ005E23
     K18P22K KC2018 08 14.58526 21 08 13.10 -45 25 55.7          17.9 VqEQ005E23
     K18P22K KC2018 08 14.60025 21 08 19.57 -45 24 45.7          19.0 VqEQ005E23
     K18P22K KC2018 08 15.12838 21 12 25.75 -44 43 20.4          17.8 RoEQ005W76
     K18P22K KC2018 08 15.13826 21 12 29.90 -44 42 33.9          17.6 RoEQ005W76
     K18P22K KC2018 08 15.15188 21 12 35.50 -44 41 30.8          18.0 RoEQ005W76
     K18P22K KC2018 08 15.16183 21 12 39.57 -44 40 44.0          17.9 RoEQ005W76
     K18P22K #C2018 08 15.22769 21 13 06.91 -44 35 25.1          18.3 GVEQ005W88
     K18P22K #C2018 08 15.23483 21 13 09.79 -44 34 50.0          18.0 GVEQ005W88
     K18P22K #C2018 08 15.23900 21 13 11.60 -44 34 29.4          18.2 GVEQ005W88
     K18P22K KC2018 08 15.81167 21 17 33.25 -43 48 38.7          18.5 GVEQ005L29
     K18P22K KC2018 08 15.81395 21 17 34.20 -43 48 27.7          18.5 GVEQ005L29
     K18P22K KC2018 08 15.81624 21 17 35.12 -43 48 16.6          17.7 GVEQ005L29
     K18P22K KC2018 08 15.81853 21 17 36.09 -43 48 05.8          17.8 GVEQ005L29
     K18P22K KC2018 08 15.82082 21 17 37.00 -43 47 55.8          18.0 GVEQ005L29
     K18P22K KC2018 08 15.82308 21 17 37.90 -43 47 44.1          19.0 GVEQ005L29

Observer details:
E23 Arcadia.  Observer A. Hidas.  0.35-m f/1.9 reflector + CCD.
L29 Drebach-South Observatory, Windhoek.  Observer G. Lehmann.  0.4-m f/3.6
    reflector + CCD.
Q62 iTelescope Observatory, Siding Spring.  Observer M. Suzuki.  0.50-m f/6.8
    reflector + CCD + f/4.5 focal reducer.
T08 ATLAS-MLO, Mauna Loa.  Observers L. Denneau, H. Flewelling, A. Heinze,
    H. Weiland, J. Tonry.  Measurers L. Denneau, H. Flewelling, A. Heinze,
    J. Tonry, A. Fitzsimmons, D. Young.  0.5-m f/2.0 Schmidt + CCD.
W76 CHILESCOPE Observatory, Rio Hurtad.  Observer D. Denisenko.  Measurers
    D. Denisenko, N. Biryukov, I. Boronin, A. Kurasov.  0.50-m f/3.6 Newtonian
    reflector + CCD.
W88 Slooh.com Chile Observatory, La Dehesa.  Observer M. Suzuki.  0.35-m f/11
    Schmidt-Cassegrain + CCD.

Orbital elements:
2018 PK22                                                Earth MOID = 0.1075 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 320.76511              (2000.0)            P               Q
n   0.28954261     Peri.  314.00611     +0.65012856     +0.75980929
a   2.2628776      Node   356.53499     -0.67262561     +0.57259065
e   0.5115695      Incl.    4.52165     -0.35342276     +0.30794447
P   3.40           H   21.7           G   0.15           U   8
Residuals in seconds of arc
180813 T08  0.1+  0.1+    180814 E23  0.3-  0.9+    180815 W88  0.2+  0.4+
180813 T08  0.1-  0.2-    180814 E23  0.3+  0.2+    180815 L29  0.0   0.8-
180813 T08  0.7-  0.3-    180815 W76  0.1-  0.2-    180815 L29  0.2+  0.3-
180813 T08  0.7+  0.6+    180815 W76  0.3+  0.3+    180815 L29  0.0   0.2+
180813 Q62  0.2+  0.1+    180815 W76  0.2-  0.5-    180815 L29  0.4+  0.3+
180813 Q62  0.1-  0.7-    180815 W76  0.8-  0.5-    180815 L29  0.1+  0.3-
180813 Q62  0.1+  0.2-    180815 W88  0.3+  0.4-    180815 L29  0.1-  0.9+
180814 E23  0.3+  0.3+    180815 W88  0.6-  0.0

Ephemeris:
2018 PK22                a,e,i = 2.26, 0.51, 5                   q = 1.1053
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 07 17    17 04 18.4 -55 23 33   0.1518  1.1285   134.8    39.7    19.4
...
2018 08 01    18 58 06.2 -56 43 19   0.1215  1.1065   136.7    39.0    18.9
...
2018 08 09    20 19 23.2 -51 46 30   0.1132  1.1060   142.6    33.8    18.6
...
2018 08 15    21 11 24.9 -44 53 16   0.1126  1.1108   148.8    28.1    18.4
2018 08 16    21 18 50.4 -43 33 15   0.1130  1.1120   150.0    27.1    18.4
2018 08 17    21 25 54.0 -42 11 10   0.1136  1.1134   151.1    26.1    18.4
...
2018 08 23    22 01 00.5 -33 39 54   0.1206  1.1239   157.9    19.8    18.4
...
2018 08 31    22 32 13.9 -23 03 49   0.1385  1.1443   165.7    12.6    18.4
...
2018 09 15    23 03 25.9 -09 11 25   0.1961  1.1999   171.1     7.5    19.1

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-Q05

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