[Iaude] MPEC M81: 2019 ET7 [a=42.59,e=0.03,i=1.7,H=7.73]

[mpec at cfa.harvard.edu]

M.P.E.C. 2024-M81                                 Issued 2024 June 27, 06:54 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets, routine data on comets and natural satellites,
         and occasional editorial announcements.  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 ET7                                    


Additional Observations:
     K19E07T 1C2018 03 18.45631811 36 01.00 +03 45 58.0                WEM081T09
     K19E07T 1C2018 03 18.50302611 36 00.79 +03 45 59.3                WEM081T09
     K19E07T 1C2018 03 18.57335911 36 00.46 +03 46 01.3                WEM081T09
     K19E07T 1C2018 04 24.44254811 33 31.42 +04 01 24.1                WEM081T09
     K19E07T 1C2019 02 02.65083311 44 04.86 +02 51 28.2                WEM081T09
     K19E07T 1C2019 02 04.58453811 43 58.70 +02 52 09.6                WEM081T09
     K19E07T 1C2019 02 04.65830311 43 58.44 +02 52 11.3                WEM081T09
     K19E07T 1C2019 02 05.46856611 43 55.81 +02 52 29.0                WEM081T09
     K19E07T 1C2019 04 04.43863111 39 50.62 +03 18 51.3                WEM081T09
     K19E07T &C2021 05 13.96339911 47 39.56 +02 22 51.8                WEM081W84

Observer details:
T09 Subaru Telescope, Maunakea.  Observer .  Measurer S. Deen.  8.3-m Subaru
    Telescope + CCD.
W84 Cerro Tololo-DECam.  Observer .  Measurer S. Deen.  4.0-m reflector + CCD.

Orbital elements:
2019 ET7                                                                        
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M  41.33746              (2000.0)            P               Q                  
n   0.00354555     Peri.  107.55319     -0.74084139     -0.67150541             
a  42.5938533      Node    30.26887     +0.60415883     -0.67615721             
e   0.0270429      Incl.    1.74098     +0.29350664     -0.30313679             
P 278              H    7.73          G   0.15           U   6                  
Residuals in seconds of arc
180318 T09  0.0   0.0     190205 T09  0.0   0.1-    190308 T09  0.1+  0.1-
180318 T09  0.0   0.0     190302 T09  0.0   0.2-    190308 T09  0.0   0.1+
180318 T09  0.0   0.0     190302 T09  0.1-  0.1+    190308 T09  0.2+  0.0
180424 T09  0.0   0.1+    190302 T09  0.2-  0.2+    190308 T09  0.1-  0.1-
190202 T09  0.1+  0.1-    190307 T09  0.1+  0.1-    190404 T09  0.0   0.0
190204 T09  0.1+  0.1-    190307 T09  0.0   0.0     210513 W84  0.0   0.0
190204 T09  0.2-  0.0     190307 T09  0.2-  0.1+

Ephemeris:
2019 ET7                 a,e,i = 42.59, 0.03, 2                  q = 41.4420
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 05 28    12 02 06.3 +00 41 41  41.3335 41.7459   113.4     1.3    24.1
...
2024 06 12    12 01 55.9 +00 42 24  41.5763 41.7466    99.0     1.4    24.1
...
2024 06 20    12 01 58.2 +00 41 55  41.7109 41.7470    91.3     1.4    24.1
...
2024 06 26    12 02 03.5 +00 41 11  41.8122 41.7473    85.6     1.4    24.1
2024 06 27    12 02 04.7 +00 41 01  41.8291 41.7474    84.7     1.4    24.1
2024 06 28    12 02 05.9 +00 40 51  41.8459 41.7474    83.7     1.4    24.1
...
2024 07 04    12 02 15.3 +00 39 40  41.9460 41.7477    78.1     1.4    24.1
...
2024 07 12    12 02 32.5 +00 37 35  42.0761 41.7481    70.5     1.3    24.1
...
2024 07 27    12 03 18.1 +00 32 16  42.3020 41.7489    56.4     1.2    24.1

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-M81