[Iaude] MPEC P88: COMET P/2018 L4 (PANSTARRS)
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Mon Aug 13 15:19:19 EDT 2018
M.P.E.C. 2018-P88 Issued 2018 Aug. 13, 19:14 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
COMET P/2018 L4 (PANSTARRS)
Observations:
PK18L040 9C2018 07 01.90542 17 20 50.80 +24 05 58.8 UEP088G40
PK18L040 9C2018 07 01.95057 17 20 50.34 +24 05 04.9 19.1 TUEP088G40
PK18L040 KC2018 07 02.05443 17 20 49.01 +24 02 58.1 19.4 RcEP088B96
PK18L040 KC2018 07 02.06260 17 20 49.05 +24 02 49.0 19.7 RcEP088B96
PK18L040 KC2018 07 02.87764 17 20 43.73 +23 46 31.3 19.7 NqEP088A71
PK18L040 KC2018 07 02.88481 17 20 43.67 +23 46 22.9 19.8 NqEP088A71
PK18L040 KC2018 07 03.05317 17 20 42.38 +23 42 56.1 19.2 RcEP088B96
PK18L040 KC2018 07 03.05889 17 20 42.32 +23 42 48.8 19.3 RcEP088B96
PK18L040 KC2018 07 03.06379 17 20 42.29 +23 42 42.5 19.3 RcEP088B96
PK18L040 KC2018 07 03.90294 17 20 37.98 +23 25 19.1 20.2 NqEP088K77
PK18L040 KC2018 07 03.90583 17 20 38.00 +23 25 14.9 20.1 NqEP088K77
PK18L040 KC2018 07 07.06813 17 20 29.04 +22 15 13.0 19.4 RcEP088B96
PK18L040 KC2018 07 07.07467 17 20 28.92 +22 15 04.4 19.5 RcEP088B96
PK18L040 KC2018 07 07.08121 17 20 28.97 +22 14 55.4 19.6 RcEP088B96
PK18L040 KC2018 07 12.22194 17 20 48.44 +20 06 54.4 19.4 NqEP088850
PK18L040 KC2018 07 12.24697 17 20 48.70 +20 06 13.8 19.4 NqEP088850
PK18L040 KC2018 07 12.26646 17 20 48.76 +20 05 43.3 19.4 NqEP088850
PK18L040 KC2018 07 12.87212 17 20 54.51 +19 49 31.3 19.9 NqEP088A71
PK18L040 KC2018 07 12.88347 17 20 54.55 +19 49 13.2 19.7 NqEP088A71
PK18L040 KC2018 07 12.98481 17 20 55.18 +19 46 27.8 19.8 ToEP088461
PK18L040 KC2018 07 12.98969 17 20 55.25 +19 46 19.7 19.2 ToEP088461
PK18L040 KC2018 07 12.99457 17 20 55.28 +19 46 11.5 19.3 ToEP088461
PK18L040 KC2018 07 13.59861 17 21 01.52 +19 29 49.7 19.1 TqEP088Q11
PK18L040 KC2018 07 13.60288 17 21 01.56 +19 29 42.7 qEP088Q11
PK18L040 KC2018 07 13.61179 17 21 01.61 +19 29 27.9 qEP088Q11
PK18L040 KC2018 07 13.91741 17 21 05.16 +19 21 00.6 19.2 VqEP088215
PK18L040 KC2018 07 13.91998 17 21 05.17 +19 20 57.3 19.7 VqEP088215
PK18L040 KC2018 07 13.92255 17 21 05.15 +19 20 53.8 19.7 VqEP088215
PK18L040 C2018 07 16.39624 17 21 38.802+18 11 07.30 19.7 wUEP088F52
PK18L040 C2018 07 16.40657 17 21 38.920+18 10 49.53 19.9 wUEP088F52
PK18L040 C2018 07 16.41659 17 21 39.058+18 10 31.90 19.5 wUEP088F52
PK18L040 C2018 07 16.42667 17 21 39.175+18 10 14.33 19.9 wUEP088F52
PK18L040 KC2018 07 18.93587 17 22 26.06 +16 55 57.1 19.8 RcEP088B96
PK18L040 KC2018 07 18.94077 17 22 26.13 +16 55 49.3 19.6 RcEP088B96
PK18L040 KC2018 07 18.94568 17 22 26.19 +16 55 39.1 19.7 RcEP088B96
PK18L040 KC2018 08 10.86212 17 39 32.06 +04 02 44.5 20.3 NUEP088K87
PK18L040 KC2018 08 10.86596 17 39 32.31 +04 02 36.3 20.4 NUEP088K87
PK18L040 KC2018 08 10.87679 17 39 32.99 +04 02 11.9 20.1 NUEP088K87
PK18L040 KC2018 08 10.87818 17 39 33.10 +04 02 09.5 20.8 NUEP088K87
PK18L040 KC2018 08 10.88066 17 39 33.24 +04 02 04.2 20.5 NUEP088K87
Observer details:
215 Buchloe. Observer W. Hasubick. 0.44-m f/4.6 reflector + CCD.
461 University of Szeged, Piszkesteto Stn. (Konkoly). Observers A. Bodi,
A. Pal, A. Ordasi, K. Sarneczky. Measurer K. Sarneczky. 0.60-m
Schmidt + CCD.
850 Cordell-Lorenz Observatory, Sewanee. Observer D. T. Durig. 0.3-m f/9.4
Schmidt-Cassegrain + 3072x2048 CCD.
A71 Stixendorf. Observers M. Jaeger, E. Prosperi, S. Prosperi, W. Vollmann.
Measurer M. Jaeger. 0.3-m f/4 reflector + CCD.
B96 Brixiis Observatory, Kruibeke. Observer E. Bryssinck. 0.4-m f/3.8
astrograph + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Dukes, 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.
G40 Slooh.com Canary Islands Observatory. Observer B. Lutkenhoner. 0.5-m
f/6.8 Corrected Dall-Kirkham + CCD.
K77 EHB01 Observatory, Engelhardsberg. Observer R. Fichtl. 0.40-m f/2.6
reflector + CCD.
K87 Dettelbach Vineyard Observatory. Observer B. Haeusler. 0.30-m
Schmidt-Cassegrain + CCD.
Q11 Shinshiro. Observer T. Ikemura. Measurer H. Sato. 0.35-m f/5 reflector
+ CCD.
Orbital elements:
P/2018 L4 (PANSTARRS)
Epoch 2018 July 21.0 TT = JDT 2458320.5
T 2018 July 31.84645 TT MPCW
q 1.6762375 (2000.0) P Q
n 0.08990094 Peri. 140.43545 +0.30793692 +0.91636652
a 4.9350691 Node 145.19184 -0.94623052 +0.32299290
e 0.6603416 Incl. 26.62605 -0.09910934 -0.23653326
P 10.96
>From 117 observations 2018 May 19-Aug. 10, mean residual 0".5.
P/2018 L4 (PANSTARRS)
Epoch 2029 Aug. 12.0 TT = JDT 2462360.5
T 2029 July 23.22153 TT MPCW
q 1.7506927 (2000.0) P Q
n 0.08657530 Peri. 138.72949 +0.27594733 +0.92669246
a 5.0606546 Node 144.95120 -0.95644055 +0.29104594
e 0.6540581 Incl. 26.37697 -0.09526046 -0.23776743
P 11.38
>From 117 observations 2018 May 19-Aug. 10, mean residual 0".5.
P/2018 L4 (PANSTARRS)
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5
T 2018 July 31.84390 TT MPCW
q 1.6762141 (2000.0) P Q
n 0.08987330 Peri. 140.42952 +0.30794642 +0.91637597
a 4.9360807 Node 145.19848 -0.94623113 +0.32299236
e 0.6604160 Incl. 26.62575 -0.09907393 -0.23649738
P 10.97
>From 117 observations 2018 May 19-Aug. 10, mean residual 0".5.
Ephemeris:
P/2018 L4 (PANSTARRS)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2018 07 14 17 21 06.2 +19 18 52 0.8596 1.6873 127.9 28.4 19.4
...
2018 07 29 17 27 42.4 +11 31 33 0.8700 1.6765 125.4 29.6 19.4
...
2018 08 06 17 34 23.8 +06 54 11 0.8904 1.6772 123.3 30.4 19.5
...
2018 08 12 17 40 51.1 +03 22 52 0.9132 1.6805 121.4 31.0 19.6
2018 08 13 17 42 02.7 +02 47 47 0.9176 1.6814 121.0 31.1 19.6
2018 08 14 17 43 16.2 +02 12 48 0.9222 1.6822 120.7 31.2 19.6
...
2018 08 20 17 51 17.8 -01 13 46 0.9535 1.6889 118.4 31.8 19.7
...
2018 08 28 18 03 39.4 -05 35 06 1.0053 1.7016 115.2 32.5 19.8
...
2018 09 12 18 31 09.0 -12 39 20 1.1315 1.7364 108.5 33.4 20.2
Gareth V. Williams (C) Copyright 2018 MPC M.P.E.C. 2018-P88
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