MPEC 2019-U245 : COMET P/2004 WR9 = 2019 U3 (LINEAR)
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Read MPEC 2019-U244
Read MPEC 2019-U246
M.P.E.C. 2019-U245 Issued 2019 October 28, 15:08 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
COMET P/2004 WR9 = 2019 U3 (LINEAR)
This comet, described as completely stellar in appearance on both nights,
has been recovered by K. Sárneczky (K88). The indicated delta-T correction to
the prediction, by the undersigned, on MPC 105245 is -0.75 days.
Observations:
PK19U030* C2019 10 26.96314 02 12 51.42 +14 51 39.0 19.2 RoEU245K88
PK19U030 C2019 10 26.96638 02 12 51.26 +14 51 38.9 19.4 RoEU245K88
PK19U030 C2019 10 26.96961 02 12 51.12 +14 51 38.8 19.4 RoEU245K88
PK19U030 C2019 10 26.97285 02 12 50.95 +14 51 38.1 19.4 RoEU245K88
PK19U030 C2019 10 26.97608 02 12 50.79 +14 51 38.2 19.1 RoEU245K88
PK19U030 C2019 10 26.97932 02 12 50.65 +14 51 38.2 19.1 RoEU245K88
PK19U030 C2019 10 26.98255 02 12 50.51 +14 51 37.8 19.4 RoEU245K88
PK19U030 C2019 10 26.98579 02 12 50.36 +14 51 37.6 19.3 RoEU245K88
PK19U030 C2019 10 27.93118 02 12 06.99 +14 50 31.1 19.3 RoEU245K88
PK19U030 C2019 10 27.93929 02 12 06.59 +14 50 30.5 19.3 RoEU245K88
PK19U030 C2019 10 27.95226 02 12 05.98 +14 50 29.6 19.4 RoEU245K88
Observer details:
K88 GINOP-KHK, Piszkesteto. Observers G. Csornyei, A. Bodi. Measurer K.
Sarneczky. 0.60-m Schmidt + CCD.
Orbital elements:
P/2004 WR9 (LINEAR)
Epoch 2005 Jan. 30.0 TT = JDT 2453400.5
T 2005 Jan. 11.49426 TT Williams
q 1.9171687 (2000.0) P Q
n 0.06606229 Peri. 70.63345 -0.10441774 -0.99381434
a 6.0603861 Node 25.45078 +0.87625975 -0.10991740
e 0.6836557 Incl. 5.04836 +0.47038897 -0.01584998
P 14.9
From 287 observations 2004 Nov. 22-2019 Oct. 27, mean residual 0".4.
P/2004 WR9 (LINEAR)
Epoch 2020 Mar. 12.0 TT = JDT 2458920.5
T 2020 Mar. 31.85050 TT Williams
q 1.9502342 (2000.0) P Q
n 0.06461660 Peri. 71.99710 -0.11840385 -0.99230681
a 6.1504467 Node 24.88832 +0.87543108 -0.12150679
e 0.6829118 Incl. 4.92935 +0.46861600 -0.02373400
P 15.3
From 287 observations 2004 Nov. 22-2019 Oct. 27, mean residual 0".4.
P/2004 WR9 (LINEAR)
Epoch 2035 July 12.0 TT = JDT 2464520.5
T 2035 June 22.35887 TT Williams
q 2.0550424 (2000.0) P Q
n 0.05950158 Peri. 75.51631 -0.05035604 -0.99831582
a 6.4980597 Node 17.44714 +0.87533234 -0.05800380
e 0.6837452 Incl. 5.51328 +0.48089247 +0.00104259
P 16.6
From 287 observations 2004 Nov. 22-2019 Oct. 27.
P/2004 WR9 (LINEAR)
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5
T 2020 Mar. 31.90369 TT Williams
q 1.9499255 (2000.0) P Q
n 0.06469115 Peri. 72.02023 -0.11881215 -0.99225779
a 6.1457206 Node 24.88879 +0.87537567 -0.12186942
e 0.6827182 Incl. 4.93004 +0.46861616 -0.02392312
P 15.2
From 287 observations 2004 Nov. 22-2019 Oct. 27, mean residual 0".4.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2019 09 28 02 28 17.2 +14 55 59 1.7757 2.6579 144.8 12.6 20.0
...
2019 10 13 02 22 16.6 +15 01 50 1.6041 2.5678 160.9 7.3 19.6
...
2019 10 21 02 17 13.3 +14 57 36 1.5345 2.5208 169.9 4.0 19.4
...
2019 10 27 02 12 49.8 +14 51 39 1.4931 2.4862 176.7 1.3 19.3
2019 10 28 02 12 03.8 +14 50 29 1.4872 2.4805 177.7 0.9 19.3
2019 10 29 02 11 17.5 +14 49 16 1.4815 2.4747 178.4 0.7 19.3
...
2019 11 04 02 06 34.5 +14 41 22 1.4530 2.4409 173.3 2.7 19.2
...
2019 11 12 02 00 24.6 +14 30 27 1.4297 2.3966 163.9 6.6 19.1
...
2019 11 27 01 51 07.1 +14 17 05 1.4285 2.3171 146.6 13.6 18.9
Gareth V. Williams (C) Copyright 2019 MPC M.P.E.C. 2019-U245
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