MPEC 2018-P46 : 2018 PL9
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Read MPEC 2018-P47
M.P.E.C. 2018-P46 Issued 2018 Aug. 10, 15:24 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 PL9
Observations:
K18P09L C2018 08 07.41018 21 18 55.738-23 07 40.01 18.8 wUEP046F51
K18P09L C2018 08 07.42016 21 18 53.882-23 07 15.17 18.7 wUEP046F51
K18P09L* C2018 08 07.43799 21 18 50.58 -23 06 30.8 18.6 cUEP046T05
K18P09L C2018 08 07.44006 21 18 50.166-23 06 25.50 18.7 wUEP046F51
K18P09L C2018 08 07.44613 21 18 49.02 -23 06 09.9 18.7 cUEP046T05
K18P09L C2018 08 07.44933 21 18 48.44 -23 06 02.7 18.9 cUEP046T05
K18P09L C2018 08 07.46252 21 18 45.93 -23 05 29.3 19.2 cUEP046T05
K18P09L `C2018 08 07.66105 21 18 10.02 -22 56 53.7 18.8 VqEP046Q62
K18P09L `C2018 08 07.66994 21 18 08.36 -22 56 31.1 18.8 VqEP046Q62
K18P09L `C2018 08 07.67985 21 18 06.52 -22 56 05.9 18.8 VqEP046Q62
K18P09L KC2018 08 07.96735521 17 15.15 -22 44 14.3 18.9 GVEP046L01
K18P09L KC2018 08 07.97064621 17 14.52 -22 44 06.8 18.8 GVEP046L01
K18P09L KC2018 08 07.97395921 17 13.89 -22 43 57.5 18.7 GVEP046L01
K18P09L KC2018 08 08.18585 21 16 35.72 -22 34 49.7 18.2 RqEP046850
K18P09L KC2018 08 08.19996 21 16 33.05 -22 34 13.4 18.2 RqEP046850
K18P09L KC2018 08 08.21423 21 16 30.34 -22 33 36.6 18.9 RqEP046850
K18P09L KC2018 08 08.22785 21 16 27.80 -22 33 01.3 18.5 RqEP046850
K18P09L KC2018 08 08.31302 21 16 11.89 -22 29 19.1 oEP046711
K18P09L KC2018 08 08.31540 21 16 11.45 -22 29 12.9 oEP046711
K18P09L KC2018 08 08.31783 21 16 10.99 -22 29 06.5 oEP046711
K18P09L `C2018 08 08.51921 21 15 34.69 -22 20 01.3 18.7 VqEP046Q62
K18P09L `C2018 08 08.52984 21 15 32.66 -22 19 33.3 18.6 VqEP046Q62
K18P09L `C2018 08 08.54051 21 15 30.63 -22 19 05.7 18.7 VqEP046Q62
K18P09L C2018 08 08.57981 21 15 23.38 -22 17 41.2 18.9 RrEP046P93
K18P09L C2018 08 08.58142 21 15 23.10 -22 17 36.7 18.7 RrEP046P93
K18P09L C2018 08 08.58303 21 15 22.78 -22 17 32.6 18.9 RrEP046P93
K18P09L KC2018 08 09.53731 21 12 24.41 -21 34 23.7 18.5 VqEP046E23
K18P09L KC2018 08 09.55120 21 12 21.70 -21 33 45.1 18.2 VqEP046E23
K18P09L KC2018 08 09.56509 21 12 18.96 -21 33 07.5 18.5 VqEP046E23
K18P09L C2018 08 09.93754521 11 08.760-21 16 11.21 18.4 GVEP046J04
K18P09L C2018 08 09.93841321 11 08.611-21 16 08.93 18.3 GVEP046J04
K18P09L C2018 08 09.93928721 11 08.438-21 16 06.52 18.4 GVEP046J04
K18P09L C2018 08 09.94026121 11 08.227-21 16 03.55 18.2 GVEP046J04
K18P09L C2018 08 09.94112621 11 08.068-21 16 01.51 18.2 GVEP046J04
K18P09L KC2018 08 09.98113 21 11 00.77 -21 13 48.8 18.3 VqEP046X31
K18P09L KC2018 08 09.98498 21 11 00.02 -21 13 37.8 18.2 VqEP046X31
K18P09L KC2018 08 09.99442 21 10 58.15 -21 13 11.8 18.4 VqEP046X31
K18P09L C2018 08 10.15741 21 10 25.76 -21 05 39.6 18.1 RqEP046X74
K18P09L C2018 08 10.16117 21 10 24.98 -21 05 29.3 18.0 RqEP046X74
K18P09L C2018 08 10.16496 21 10 24.27 -21 05 18.0 18.1 RqEP046X74
K18P09L C2018 08 10.54117 21 09 12.44 -20 47 42.4 18.6 RrEP046P93
K18P09L C2018 08 10.54440 21 09 11.82 -20 47 33.1 18.1 RrEP046P93
K18P09L C2018 08 10.54601 21 09 11.48 -20 47 28.4 18.3 RrEP046P93
Observer details:
711 McDonald Observatory. Observer J. G. Ries. 2.1-m reflector + CCD + focal
reducer.
850 Cordell-Lorenz Observatory, Sewanee. Observer D. T. Durig. 0.3-m f/9.4
Schmidt-Cassegrain + CCD.
E23 Arcadia. Observer A. Hidas. 0.35-m f/1.9 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.
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. Measurer D. Ivanic. 1.0-m
f/2.9 reflector + CCD.
P93 Space Tracking and Communications Center, JAXA. Observers K. Nishiyama,
T. Fujiwara, T. Nimura. 1.0-m f/3.0 reflector + CCD.
Q62 iTelescope Observatory, Siding Spring. Observer S. M. Tilley. 0.5-m
f/4.5 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.
X31 Galileo Galilei Observatory, Oro Verde. Observer C. Fornari. 0.35-m f/11
Schmidt-Cassegrain + CCD.
X74 Observatorio Campo dos Amarais. Observer L. S. Amaral. 0.31-m f/2.9
Newtonian reflector + CCD.
Orbital elements:
2018 PL9 Earth MOID = 0.2965 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 323.15414 (2000.0) P Q
n 0.16964178 Peri. 68.13895 +0.80681551 -0.48365465
a 3.2318225 Node 318.52963 +0.13253207 +0.70783670
e 0.6694493 Incl. 30.82136 +0.57574646 +0.51482559
P 5.81 H 19.1 G 0.15 U 7
Residuals in seconds of arc
180807 F51 0.0 0.0 180808 850 0.3- 0.0 180809 J04 0.2+ 0.1-
180807 F51 0.0 0.0 180808 850 0.3+ 0.1+ 180809 J04 0.2+ 0.1-
180807 T05 0.4+ 0.1- 180808 711 0.6- 0.2+ 180809 J04 0.1- 0.1+
180807 F51 0.0 0.0 180808 711 0.5- 0.1+ 180809 J04 0.1+ 0.2-
180807 T05 0.1- 0.4+ 180808 711 0.4- 0.2+ 180809 X31 0.1+ 0.2-
180807 T05 0.1+ 0.4- 180808 Q62 0.0 0.1+ 180809 X31 0.0 0.2+
180807 T05 0.5- 0.1- 180808 Q62 0.0 0.3+ 180809 X31 0.4- 0.0
180807 Q62 0.1+ 0.0 180808 Q62 0.1+ 0.0 180810 X74 0.1+ 0.0
180807 Q62 0.1+ 0.0 180808 P93 0.0 0.3- 180810 X74 0.3- 0.4-
180807 Q62 0.2+ 0.1- 180808 P93 0.4+ 0.0 180810 X74 0.4+ 0.2+
180807 L01 0.4+ 0.3+ 180808 P93 0.2+ 0.1- 180810 P93 0.3- 0.0
180807 L01 0.2+ 0.7- 180809 E23 0.2+ 0.1- 180810 P93 0.0 0.0
180807 L01 0.1+ 0.1+ 180809 E23 0.4+ 0.4+ 180810 P93 0.2- 0.1+
180808 850 0.2- 0.2+ 180809 E23 0.3+ 0.1-
180808 850 0.2- 0.1+ 180809 J04 0.1- 0.0
Ephemeris:
2018 PL9 a,e,i = 3.23, 0.67, 31 q = 1.0683
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 07 11 22 06 58.2 -33 33 52 0.8004 1.7176 141.6 21.6 20.8
...
2018 07 26 21 48 53.0 -29 35 33 0.6026 1.5892 157.5 14.2 19.8
...
2018 08 03 21 31 12.2 -25 53 17 0.5151 1.5219 167.6 8.2 19.1
...
2018 08 09 21 14 05.2 -21 58 50 0.4601 1.4723 174.0 4.1 18.6
2018 08 10 21 10 56.2 -21 13 05 0.4520 1.4642 174.2 4.0 18.6
2018 08 11 21 07 42.7 -20 25 19 0.4441 1.4560 174.0 4.2 18.5
...
2018 08 17 20 47 00.8 -14 55 41 0.4040 1.4079 166.0 10.0 18.5
...
2018 08 25 20 17 24.8 -05 52 44 0.3702 1.3460 150.7 21.6 18.6
...
2018 09 09 19 25 45.9 +12 50 47 0.3667 1.2400 121.7 43.7 19.1
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-P46
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