[Iaude] MPEC E74: 2019 ET1 [a=2.05,e=0.51,i=4.3,H=25.0]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Sat Mar 9 06:37:17 EST 2019
M.P.E.C. 2019-E74 Issued 2019 Mar. 9, 11:32 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
2019 ET1
Observations:
K19E01T* C2019 03 06.30025 12 11 42.40 +26 55 27.6 21.1 GVEE074G96
K19E01T C2019 03 06.30543 12 11 44.38 +26 55 20.7 21.4 GVEE074G96
K19E01T C2019 03 06.31061 12 11 46.37 +26 55 14.4 21.2 GVEE074G96
K19E01T C2019 03 06.31579 12 11 48.32 +26 55 07.1 21.6 GVEE074G96
K19E01T C2019 03 06.37324112 12 09.90 +26 53 45.6 20.8 GVEE074H01
K19E01T C2019 03 06.37880612 12 12.02 +26 53 37.8 21.3 GVEE074H01
K19E01T C2019 03 06.38489912 12 14.37 +26 53 28.9 20.9 GVEE074H01
K19E01T C2019 03 06.39393712 12 17.83 +26 53 15.7 20.9 GVEE074H01
K19E01T KC2019 03 06.40806312 12 21.89 +26 52 41.9 21.3 VuEE074H21
K19E01T KC2019 03 06.42357212 12 28.04 +26 52 17.5 21.0 VuEE074H21
K19E01T KC2019 03 06.43545312 12 32.73 +26 51 59.3 21.2 VuEE074H21
K19E01T C2019 03 06.46182 12 12 44.37 +26 51 37.0 21.0 GVEE074I52
K19E01T C2019 03 06.46599 12 12 46.04 +26 51 29.8 21.2 GVEE074I52
K19E01T C2019 03 06.47014 12 12 47.58 +26 51 23.9 20.7 GVEE074I52
K19E01T C2019 03 06.47430 12 12 49.27 +26 51 17.2 21.0 GVEE074I52
K19E01T KC2019 03 08.98491512 32 20.038+25 36 21.20 20.7 GVEE074J04
K19E01T KC2019 03 08.98859512 32 21.775+25 36 13.73 20.5 GVEE074J04
K19E01T KC2019 03 08.99226212 32 23.539+25 36 06.15 20.5 GVEE074J04
K19E01T C2019 03 09.43752 12 36 07.34 +25 19 06.5 20.3 GVEE074I52
K19E01T C2019 03 09.43877 12 36 07.80 +25 19 04.1 VEE074I52
K19E01T C2019 03 09.44001 12 36 08.52 +25 19 00.6 20.4 GVEE074I52
K19E01T C2019 03 09.44126 12 36 09.15 +25 18 56.6 20.6 GVEE074I52
Observer details:
G96 Mt. Lemmon Survey. Observers E. J. Christensen, T. A. Pruyne. 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.
I52 Steward Observatory, Mt. Lemmon Station. Observers D. C. Fuls,
R. A. Kowalski. 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. 1.0-m reflector + CCD.
J04 ESA Optical Ground Station, Tenerife. Observer D. Abreu. Measurers
M. Micheli, D. Koschny, A. Knoefel, M. Busch, E. Schwab. 1.0-m f/4.4
reflector + CCD.
Orbital elements:
2019 ET1 Earth MOID = 0.0112 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 6.71146 (2000.0) P Q
n 0.33535143 Peri. 183.90919 -0.93001159 +0.36682874
a 2.0518043 Node 17.66322 -0.33514140 -0.82108720
e 0.5066385 Incl. 4.28981 -0.15085985 -0.43732423
P 2.94 H 25.0 G 0.15 U 7
Residuals in seconds of arc
190306 G96 0.0 0.1- 190306 H21 0.1- 0.3+ 190308 J04 0.2- 0.1-
190306 G96 0.0 0.2- 190306 H21 0.3+ 0.1- 190308 J04 0.1- 0.2-
190306 G96 0.2+ 0.3+ 190306 H21 0.0 0.2+ 190309 I52 0.8+ 0.0
190306 G96 0.2- 0.1- 190306 I52 0.1- 0.3+ 190309 I52 1.3- 0.7+
190306 H01 0.1+ 0.2- 190306 I52 0.4+ 0.4- 190309 I52 0.2+ 0.3+
190306 H01 0.1- 0.0 190306 I52 0.8- 0.2+ 190309 I52 0.4+ 0.6-
190306 H01 0.1+ 0.1- 190306 I52 0.0 0.0
190306 H01 0.0 0.1- 190308 J04 0.2+ 0.2-
Ephemeris:
2019 ET1 a,e,i = 2.05, 0.51, 4 q = 1.0123
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 02 07 10 42 12.8 +27 14 16 0.2554 1.2263 157.7 17.8 23.4
...
2019 02 22 11 14 48.6 +28 28 12 0.1612 1.1399 157.8 19.2 22.3
...
2019 03 02 11 46 12.7 +28 03 09 0.1192 1.1005 155.4 22.0 21.7
...
2019 03 08 12 24 12.3 +26 09 56 0.09169 1.0748 152.8 25.0 21.1
2019 03 09 12 32 22.8 +25 36 05 0.08751 1.0709 152.2 25.6 21.0
2019 03 10 12 41 12.4 +24 56 07 0.08348 1.0671 151.5 26.3 20.9
...
2019 03 16 13 50 17.1 +17 51 36 0.06319 1.0467 144.6 33.4 20.5
...
2019 03 24 16 00 33.8 -02 02 44 0.05348 1.0264 122.4 55.0 20.7
...
2019 04 08 18 58 48.6 -27 01 24 0.09127 1.0124 94.5 80.3 22.6
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-E74
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