MPEC 2020-W25 : COMET P/2005 XA54 = 2020 V1 (LONEOS-Hill)
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M.P.E.C. 2020-W25 Issued 2020 November 17, 04:49 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/2005 XA54 = 2020 V1 (LONEOS-Hill)
This comet has been recovered in exposures taken by Zwicky Transient
Facility (I41), and independently by Mount Lemmon Survey (G96). The indicated
delta-T correction to the prediction, by G. V. Williams, on MPC 75706 is -1.08
days.
Observations:
PK20V010* C2020 11 03.48620009 40 05.20 +05 21 35.7 19.56gUEW025I41
PK20V010 C2020 11 03.52436009 40 10.11 +05 21 21.0 19.13rUEW025I41
PK20V010 C2020 11 05.47418109 44 23.77 +05 08 47.8 19.78gUEW025I41
PK20V010 C2020 11 05.52560009 44 30.41 +05 08 28.4 19.18rUEW025I41
PK20V010 C2020 11 16.51453710 08 25.34 +03 59 39.8 18.77GVEW025G96
PK20V010 C2020 11 16.52113310 08 26.19 +03 59 37.5 18.66GVEW025G96
PK20V010 C2020 11 16.52773010 08 27.04 +03 59 35.1 18.77GVEW025G96
PK20V010 C2020 11 16.53431510 08 27.90 +03 59 32.6 18.72GVEW025G96
PK20V010 hC2020 11 17.09017010 09 40.74 +03 56 11.6 18.6 GVEW025L01
PK20V010 hC2020 11 17.09173110 09 40.97 +03 56 10.8 19.0 GVEW025L01
PK20V010 hC2020 11 17.09485310 09 41.36 +03 56 09.9 19.0 GVEW025L01
PK20V010 hC2020 11 17.09953510 09 41.97 +03 56 08.2 18.8 GVEW025L01
Observer details:
G96 Mt. Lemmon Survey. Observer D. Rankin. Measurers E. J. Christensen, G.
A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A.
Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D. Rankin, R. L.
Seaman, F. C. Shelly, K. W. Wierzchos. 1.5-m reflector + 10K CCD.
I41 Palomar Mountain--ZTF. Observers B. T. Bolin, Z. T. F. Collaboration.
Measurers B. T. Bolin, F. J. Masci. 1.2-m f/2.4 Schmidt.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
Orbital elements:
P/2005 XA54 (LONEOS-Hill)
Epoch 2006 Mar. 6.0 TT = JDT 2453800.5
T 2006 Mar. 7.90556 TT Rudenko
q 1.7776384 (2000.0) P Q
n 0.06490671 Peri. 15.35929 -0.93064831 -0.32412933
a 6.1321060 Node 144.24830 +0.29758705 -0.94046631
e 0.7101096 Incl. 16.89548 +0.21292175 -0.10229022
P 15.2
From 570 observations 2005 Dec. 4-2020 Nov. 17, mean residual 0".5.
P/2005 XA54 (LONEOS-Hill)
Epoch 2021 Jan. 26.0 TT = JDT 2459240.5
T 2021 Jan. 28.17150 TT Rudenko
q 1.7540419 (2000.0) P Q
n 0.06622123 Peri. 15.13680 -0.92552029 -0.33616105
a 6.0506854 Node 143.67110 +0.30964298 -0.93684958
e 0.7101086 Incl. 17.11857 +0.21802162 -0.09648115
P 14.9
From 570 observations 2005 Dec. 4-2020 Nov. 17, mean residual 0".5.
P/2005 XA54 (LONEOS-Hill)
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5
T 2021 Jan. 28.17268 TT Rudenko
q 1.7540395 (2000.0) P Q
n 0.06621225 Peri. 15.13758 -0.92552486 -0.33614904
a 6.0512320 Node 143.67108 +0.30963053 -0.93685339
e 0.7101351 Incl. 17.11845 +0.21801988 -0.09648605
P 14.9
From 570 observations 2005 Dec. 4-2020 Nov. 17, mean residual 0".5.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2020 10 18 09 04 36.9 +07 07 21 2.2110 2.0676 68.6 26.7 18.9
...
2020 11 02 09 36 51.8 +05 31 14 1.9960 1.9896 75.2 28.8 18.5
...
2020 11 10 09 54 13.5 +04 40 00 1.8850 1.9514 78.8 29.9 18.3
...
2020 11 16 10 07 17.8 +04 02 49 1.8037 1.9245 81.5 30.5 18.1
2020 11 17 10 09 28.7 +03 56 48 1.7903 1.9201 81.9 30.7 18.1
2020 11 18 10 11 39.6 +03 50 49 1.7770 1.9159 82.4 30.8 18.1
...
2020 11 24 10 24 45.5 +03 16 28 1.6983 1.8911 85.2 31.3 17.9
...
2020 12 02 10 42 13.7 +02 35 40 1.5970 1.8609 88.9 32.0 17.7
...
2020 12 17 11 14 46.0 +01 42 16 1.4193 1.8133 96.3 32.6 17.3
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-W25
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