MPEC 2019-C123: 2019 CL4
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M.P.E.C. 2019-C123 Issued 2019 Feb. 11, 15:13 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
2019 CL4
Observations:
K19C04L* C2019 02 08.39304 11 30 06.77 +23 04 47.4 21.3 GVEC123G96
K19C04L C2019 02 08.39823 11 30 04.04 +23 04 37.6 21.0 GVEC123G96
K19C04L C2019 02 08.40856 11 29 58.63 +23 04 16.0 20.4 GVEC123G96
K19C04L C2019 02 08.52380 11 28 59.34 +23 00 11.3 21.2 GVEC123G96
K19C04L C2019 02 08.52510 11 28 58.74 +23 00 08.7 22.2 GVEC123G96
K19C04L C2019 02 08.52717 11 28 57.68 +23 00 04.4 21.1 GVEC123G96
K19C04L C2019 02 08.52758 11 28 57.46 +23 00 03.4 22.3 GVEC123G96
K19C04L KC2019 02 08.97233111 25 32.86 +22 44 48.3 21.2 GVEC123L01
K19C04L KC2019 02 08.97512311 25 31.51 +22 44 43.3 21.1 GVEC123L01
K19C04L KC2019 02 08.97748911 25 30.37 +22 44 38.6 21.1 GVEC123L01
K19C04L C2019 02 09.28414011 23 11.71 +22 34 41.1 20.6 GVEC123H01
K19C04L C2019 02 09.28710111 23 10.31 +22 34 35.6 20.2 GVEC123H01
K19C04L C2019 02 09.29919111 23 04.59 +22 34 12.6 20.3 GVEC123H01
K19C04L C2019 02 09.30498811 23 01.83 +22 34 01.7 20.5 GVEC123H01
K19C04L KC2019 02 09.32123411 22 52.56 +22 33 25.5 21.5 VuEC123H21
K19C04L KC2019 02 09.33432211 22 46.30 +22 33 00.1 21.2 VuEC123H21
K19C04L C2019 02 09.40009 11 22 16.92 +22 31 00.3 20.8 GVEC123V06
K19C04L C2019 02 09.40215 11 22 15.94 +22 30 55.8 20.7 GVEC123V06
K19C04L C2019 02 09.40422 11 22 14.96 +22 30 51.9 20.9 GVEC123V06
K19C04L C2019 02 09.40628 11 22 14.33 +22 30 49.3 20.7 GVEC123V06
K19C04L C2019 02 09.44630 11 21 59.058+22 29 42.58 21.2 wUEC123F51
K19C04L C2019 02 09.45832 11 21 53.384+22 29 20.03 21.0 wUEC123F51
K19C04L C2019 02 09.47029 11 21 47.734+22 28 57.53 21.2 wUEC123F51
K19C04L C2019 02 09.48222 11 21 42.040+22 28 34.65 21.4 wUEC123F51
K19C04L C2019 02 11.25491 11 09 44.60 +21 33 08.9 21.6 GVEC123V06
K19C04L C2019 02 11.25896 11 09 42.99 +21 33 01.8 21.6 GVEC123V06
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz,
M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau, J. Fairlamb,
H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observer A. R. Gibbs. Measurers B. M. Africano,
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,
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 Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.76-m f/3.0
astrograph + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
V06 Catalina Sky Survey-Kuiper. Observers D. C. Fuls, E. J. Christensen.
Measurers B. M. Africano, 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, R. L. Seaman, F. C. Shelly. 1.55-m
reflector + CCD.
Orbital elements:
2019 CL4 Earth MOID = 0.0036 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 77.40610 (2000.0) P Q
n 0.56107244 Peri. 67.45604 +0.49544234 -0.86861034
a 1.4558728 Node 352.83210 +0.77400146 +0.44525070
e 0.4538954 Incl. 3.34360 +0.39428242 +0.21741179
P 1.76 H 24.6 G 0.15 U 7
Residuals in seconds of arc
190208 G96 0.2+ 0.4- 190208 L01 0.1- 0.3- 190209 V06 0.5- 0.3-
190208 G96 0.1- 0.4+ 190209 H01 0.1+ 0.3- 190209 V06 (4.3+ 1.2+)
190208 G96 0.5- 0.1+ 190209 H01 0.1+ 0.2- 190209 F51 0.0 0.1-
190208 G96 0.3- 0.0 190209 H01 0.2+ 0.4- 190209 F51 0.0 0.0
190208 G96 0.5+ 0.2+ 190209 H01 0.0 0.3- 190209 F51 0.2+ 0.2+
190208 G96 0.3+ 0.4+ 190209 H21 0.2+ 0.3- 190209 F51 0.5- 0.0
190208 G96 0.1+ 0.3+ 190209 H21 0.4- 0.0 190211 V06 0.2+ 0.2+
190208 L01 0.3- 0.6- 190209 V06 0.4- 0.0 190211 V06 0.1- 0.1-
190208 L01 0.3- 0.2- 190209 V06 0.5- 0.4-
Ephemeris:
2019 CL4 a,e,i = 1.46, 0.45, 3 q = 0.7951
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 01 12 19 18 34.5 +06 08 41 0.09804 0.8982 28.1 149.0 27.6
...
2019 01 27 14 50 34.9 +28 16 10 0.05973 0.9922 95.5 81.0 21.3
...
2019 02 04 12 15 16.4 +25 48 58 0.08429 1.0476 135.6 41.1 20.9
...
2019 02 10 11 17 58.6 +22 11 56 0.1143 1.0905 153.9 23.5 21.2
2019 02 11 11 11 18.1 +21 41 06 0.1199 1.0977 156.3 21.2 21.2
2019 02 12 11 05 12.5 +21 11 55 0.1257 1.1049 158.5 19.1 21.3
...
2019 02 18 10 37 49.1 +18 47 43 0.1627 1.1484 169.3 9.2 21.6
...
2019 02 26 10 16 33.6 +16 34 57 0.2186 1.2064 171.3 7.1 22.2
...
2019 03 13 10 00 07.1 +13 56 05 0.3431 1.3134 155.3 18.4 23.8
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-C123
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