[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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