MPEC 2018-P50 : 2018 PP9

MPC Preparation (Info)
MPEC 2018-P50 : 2018 PP9

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M.P.E.C. 2018-P50                                Issued 2018 Aug. 10, 15:39 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 PP9

Observations:
     K18P09P* C2018 08 07.55801 01 40 51.70 -22 23 09.3          19.1 cUEP050T05
     K18P09P  C2018 08 07.56584 01 40 48.11 -22 21 19.8          19.3 cUEP050T05
     K18P09P  C2018 08 07.56771 01 40 47.11 -22 20 52.5          19.3 cUEP050T05
     K18P09P  C2018 08 07.57371 01 40 44.46 -22 19 27.7          19.0 cUEP050T05
     K18P09P  C2018 08 07.58156 01 40 40.75 -22 17 36.8          19.4 cUEP050T05
     K18P09P  C2018 08 07.58340 01 40 39.89 -22 17 11.1          19.0 cUEP050T05
     K18P09P  C2018 08 07.59427 01 40 34.798-22 14 37.55         18.6 wUEP050F51
     K18P09P  C2018 08 07.60007 01 40 32.063-22 13 15.15         18.5 wUEP050F51
     K18P09P  C2018 08 07.60587 01 40 29.348-22 11 53.30         18.6 wUEP050F51
     K18P09P KC2018 08 08.07904601 39 06.31 -20 31 55.1          19.2 GVEP050L01
     K18P09P KC2018 08 08.08092501 39 05.65 -20 31 33.6          19.4 GVEP050L01
     K18P09P KC2018 08 08.08280801 39 05.03 -20 31 12.0          19.4 GVEP050L01
     K18P09P KC2018 08 08.45836 01 37 57.73 -19 22 30.4                oEP050711
     K18P09P KC2018 08 08.45878 01 37 57.59 -19 22 25.9                oEP050711
     K18P09P KC2018 08 08.46137 01 37 56.69 -19 22 01.1                oEP050711
     K18P09P KC2018 08 09.06372801 36 45.37 -17 52 57.1          19.7 GVEP050L01
     K18P09P KC2018 08 09.06808101 36 44.30 -17 52 23.4          19.6 GVEP050L01
     K18P09P KC2018 08 09.07250101 36 43.23 -17 51 49.1          19.4 GVEP050L01
     K18P09P  C2018 08 10.10047601 35 04.634-15 54 19.55         20.2 GVEP050J04
     K18P09P  C2018 08 10.10100101 35 04.479-15 54 16.38         19.6 GVEP050J04
     K18P09P  C2018 08 10.10151701 35 04.390-15 54 13.98         18.9 GVEP050J04
     K18P09P  C2018 08 10.10204001 35 04.301-15 54 11.49         19.5 GVEP050J04
     K18P09P  C2018 08 10.10256201 35 04.212-15 54 08.51         19.4 GVEP050J04
     K18P09P  C2018 08 10.10308501 35 04.104-15 54 05.54         19.1 GVEP050J04

Observer details:
711 McDonald Observatory.  Observer J. G. Ries.  2.1-m reflector + CCD + focal
    reducer.
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.
J04 ESA Optical Ground Station, Tenerife.  Observer P. Ruiz.  Measurers
    M. Micheli, D. Koschny, M. Busch, E. Schwab, A. Knoefel.  1.0-m f/4.4
    reflector + CCD.
L01 Visnjan Observatory, Tican.  Observers K. Korlevic, D. Ivanic, M. Rakitic,
    L. Gelo, J. Minic, F. Hrzenjak, E. Pettarin.  Measurers D. Ivanic,
    M. Rakitic, L. Gelo.  1.0-m f/2.9 reflector + CCD.
T05 ATLAS-HKO, Haleakala.  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.

Orbital elements:
2018 PP9                                                 Earth MOID = 0.0031 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 302.24131              (2000.0)            P               Q
n   0.46887531     Peri.  172.96720     +0.48481535     +0.87383567
a   1.6409593      Node   126.02640     -0.80465369     +0.46219208
e   0.3851773      Incl.    2.61863     -0.34276306     +0.15096256
P   2.10           H   25.8           G   0.15           U   5
Residuals in seconds of arc
180807 T05  0.3+  0.1+    180807 F51  0.1+  0.1-    180809 L01  0.4-  0.2-
180807 T05  0.6+  0.7-    180808 L01  0.2+  0.3-    180809 L01  0.1-  0.0
180807 T05  1.3-  0.2+    180808 L01  0.4-  0.1-    180810 J04  0.5+  0.0
180807 T05  0.6+  0.3+    180808 L01  0.4-  0.2+    180810 J04  0.3-  0.4+
180807 T05  0.0   0.4+    180808 711  0.1+  0.3+    180810 J04  0.1-  0.1+
180807 T05  0.0   0.1+    180808 711  0.2+  0.6+    180810 J04  0.1+  0.2-
180807 F51  0.1+  0.0     180808 711  0.0   0.2-    180810 J04  0.3+  0.0
180807 F51  0.0   0.2+    180809 L01  0.3-  0.3-    180810 J04  0.2+  0.2+

Ephemeris:
2018 PP9                 a,e,i = 1.64, 0.39, 3                   q = 1.0089
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 07 11    13 23 42.2 +04 44 18   0.08004 1.0186    89.1    86.4    23.4
...
2018 07 26    13 22 28.8 -00 37 55   0.03017 1.0091    76.7   101.7    21.9
...
2018 08 03    12 23 40.3 -54 47 43   0.0047211.0144    85.3    94.5    17.6
...
2018 08 09    01 36 41.8 -17 55 05   0.01912 1.0229   117.6    61.5    19.4
2018 08 10    01 34 56.9 -16 00 05   0.02251 1.0247   118.5    60.4    19.8
2018 08 11    01 33 35.3 -14 35 24   0.02590 1.0266   119.5    59.3    20.1
...
2018 08 17    01 28 22.5 -10 31 57   0.04643 1.0400   125.3    52.6    21.2
...
2018 08 25    01 22 44.7 -08 44 40   0.07409 1.0633   133.5    43.6    22.0
...
2018 09 09    01 09 16.7 -07 43 49   0.1286  1.1205   149.9    26.8    22.8

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-P50
Read MPEC 2018-P49
Read MPEC 2018-P51
1997-B01 (the full form)
J97B01 (the packed version of the full form)
B01 (the abbreviated form)