MPEC 2016-Y34 : COMET C/2016 X1 (Lemmon)
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M.P.E.C. 2016-Y34 Issued 2016 Dec. 21, 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 C/2016 X1 (Lemmon)
Observations:
CK16X010 C2016 11 26.50586 04 36 10.094+25 24 32.57 21.4 TLEY034F51
CK16X010 C2016 11 26.51948 04 36 09.836+25 24 30.89 21.2 TLEY034F51
CK16X010 C2016 11 26.53310 04 36 09.568+25 24 29.19 21.1 TLEY034F51
CK16X010 C2016 12 08.35740 04 32 24.95 +25 01 18.4 20.1 TqEY034G96
CK16X010 C2016 12 08.37305 04 32 24.64 +25 01 15.5 20.3 TqEY034G96
CK16X010 C2016 12 08.37861 04 32 24.56 +25 01 15.3 20.0 TqEY034G96
CK16X010 C2016 12 08.38290 04 32 24.43 +25 01 14.2 20.4 TqEY034G96
CK16X010 C2016 12 08.42021 04 32 23.74 +25 01 10.1 20.4 TqEY034I52
CK16X010 C2016 12 08.43405 04 32 23.49 +25 01 08.5 20.4 TqEY034I52
CK16X010 C2016 12 08.44705 04 32 23.23 +25 01 06.7 20.7 TqEY034I52
CK16X010 C2016 12 08.45963 04 32 23.02 +25 01 05.1 21.3 TqEY034I52
CK16X010 KC2016 12 09.08187 04 32 11.30 +24 59 48.0 20.5 TqEY034H36
CK16X010 KC2016 12 09.11130 04 32 10.87 +24 59 45.2 20.6 TqEY034H36
CK16X010 KC2016 12 09.14073 04 32 10.22 +24 59 41.7 20.8 TqEY034H36
CK16X010 C2016 12 09.22970 04 32 08.49 +24 59 30.0 qEY034I52
CK16X010 C2016 12 09.24352 04 32 08.30 +24 59 30.1 20.4 TqEY034I52
CK16X010 C2016 12 09.25737 04 32 08.04 +24 59 28.5 20.4 TqEY034I52
CK16X010 C2016 12 10.42225 04 31 46.13 +24 57 06.8 20.1 TqEY034I52
CK16X010 C2016 12 10.43735 04 31 45.84 +24 57 04.4 20.3 TqEY034I52
CK16X010 C2016 12 10.45216 04 31 45.58 +24 57 02.6 20.2 TqEY034I52
CK16X010 C2016 12 10.46719 04 31 45.31 +24 57 01.1 20.7 TqEY034I52
CK16X010 5C2016 12 20.25185 04 28 48.84 +24 36 52.1 vEY034U69
CK16X010 5C2016 12 20.25741 04 28 48.74 +24 36 51.2 20.6 TvEY034U69
CK16X010 KC2016 12 20.84548 04 28 38.53 +24 35 39.6 20.6 ToEY034K88
CK16X010 KC2016 12 20.85527 04 28 38.35 +24 35 38.3 20.6 ToEY034K88
CK16X010 KC2016 12 20.86507 04 28 38.16 +24 35 37.1 20.3 ToEY034K88
CK16X010 C2016 12 21.25440804 28 31.53 +24 34 48.5 20.2 TUEY034H01
CK16X010 C2016 12 21.25774304 28 31.47 +24 34 48.1 20.1 TUEY034H01
CK16X010 C2016 12 21.26864004 28 31.28 +24 34 46.7 20.2 TUEY034H01
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers B. Gibson, T. Goggia, S. Kahale,
A. Schultz, M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau,
H. Flewelling, M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters,
R. Weryk. 1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. Measurers E. J. Christensen,
D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
1.5-m reflector + 10K CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers R. A. Kowalski,
D. C. Fuls. Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs,
A. D. Grauer, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard,
R. G. Matheny, R. L. Seaman, F. C. Shelly. 1.0-m reflector + CCD.
K88 GINOP-KHK, Piszkesteto. Observer K. Sarneczky. 0.60-m Schmidt + CCD.
U69 iTelescope SRO Observatory, Auberry. Observer H. Sato. 0.61-m f/6.5
astrograph + CCD.
Orbital elements:
C/2016 X1 (Lemmon)
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5
T 2019 May 2.01086 TT MPCW
q 7.5746218 (2000.0) P Q
z +0.0010213 Peri. 224.57010 -0.44297125 -0.78447292
+/-0.0015451 Node 256.41079 +0.89532276 -0.36190225
e 0.9922641 Incl. 26.52105 +0.04662209 -0.50361592
From 29 observations 2016 Nov. 26-Dec. 21, mean residual 0".5.
C/2016 X1 (Lemmon)
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5
T 2019 May 1.77252 TT MPCW
q 7.5743940 (2000.0) P Q
z +0.0006821 Peri. 224.57773 -0.44305946 -0.78452476
+/-0.0015451 Node 256.40552 +0.89527545 -0.36199232
e 0.9948334 Incl. 26.50958 +0.04669246 -0.50347041
From 29 observations 2016 Nov. 26-Dec. 21, mean residual 0".5.
Ephemeris:
C/2016 X1 (Lemmon)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2016 11 21 04 37 52.4 +25 34 43 8.3673 9.3321 166.9 1.4 20.3
...
2016 12 06 04 33 09.6 +25 06 02 8.2984 9.2806 175.2 0.5 20.3
...
2016 12 14 04 30 40.0 +24 49 47 8.2907 9.2534 167.3 1.3 20.3
...
2016 12 20 04 28 53.1 +24 37 25 8.2979 9.2330 160.9 2.0 20.2
2016 12 21 04 28 35.9 +24 35 20 8.3002 9.2296 159.8 2.1 20.2
2016 12 22 04 28 18.9 +24 33 16 8.3027 9.2263 158.7 2.2 20.2
...
2016 12 28 04 26 42.0 +24 20 54 8.3241 9.2060 152.3 2.8 20.2
...
2017 01 05 04 24 48.9 +24 04 41 8.3683 9.1792 143.7 3.6 20.2
...
2017 01 20 04 22 20.1 +23 36 11 8.4927 9.1292 127.8 4.9 20.2
Gareth V. Williams (C) Copyright 2016 MPC M.P.E.C. 2016-Y34
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