[Iaude] MPEC J127: 2019 AU138 [a=31.06,e=0.02,i=18.4,H=7.69]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Tue May 7 22:44:08 EDT 2024


M.P.E.C. 2024-J127                                  Issued 2024 May 8, 02:42 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 AU138                                   


Additional Observations:
     K19AD8U  C2002 01 09.32931407 32 32.30 +21 25 50.7                WEJ127645
     K19AD8U  C2002 01 09.33014307 32 32.31 +21 25 50.8                WEJ127645
     K19AD8U  C2002 01 14.19165507 31 57.52 +21 26 34.2                WEJ127645
     K19AD8U  C2002 01 14.19248507 31 57.51 +21 26 33.9                WEJ127645
     K19AD8U  C2002 01 14.19497207 31 57.48 +21 26 34.0                WEJ127645
     K19AD8U  C2002 11 07.38894507 46 02.14 +20 20 33.4                WEJ127645
     K19AD8U  C2002 11 07.38977407 46 02.13 +20 20 33.2                WEJ127645
     K19AD8U  C2002 11 07.39226207 46 02.12 +20 20 33.6                WEJ127645
     K19AD8U  C2002 12 31.26308807 41 50.82 +20 23 49.6          22.2 rWEJ127645
     K19AD8U  C2002 12 31.26391707 41 50.80 +20 23 49.5          22.4 iWEJ127645
     K19AD8U  C2002 12 31.26640507 41 50.81 +20 23 49.6          22.8 gWEJ127645
     K19AD8U &C2013 03 26.01437708 49 50.53 +09 51 34.0          22.1 rWEJ127W84
     K19AD8U &C2013 03 31.02528908 49 35.76 +09 53 09.1          21.7 zWEJ127W84
     K19AD8U &C2020 03 05.15132809 40 50.68 +01 32 07.6          21.9 iWEJ127W84

Observer details:
645 Apache Point-Sloan Digital Sky Survey.  Observer .  Measurer S. Deen.
    2.5-m reflector + CCD.
W84 Cerro Tololo-DECam.  Observers A. Walker, E. Huff, N. Mostek, H. Prado, A.
    Diaz.  Measurer S. Deen.  4.0-m reflector + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
020109 645 0.11- 0.06-    200305 W84 0.00- 0.00-    MPO810987   -1339 days

Orbital elements:
2019 AU138                                                                      
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M 120.60077              (2000.0)            P               Q                  
n   0.00569320     Peri.  103.88168     +0.77948223     -0.55238188             
a  31.0621748      Node   290.44066     +0.37970422     +0.79173863             
e   0.0238940      Incl.   18.37814     +0.49822903     +0.26081451             
P 173              H    7.69          G   0.15           U   4                  
Residuals in seconds of arc
020109 645  0.0   0.0     021231 645  0.2+  0.1-    190106 T09  0.0   0.1+
020109 645  0.3+  0.1+    130326 W84  0.1-  0.1-    190308 T09  0.1-  0.0
020114 645  0.0   0.1+    130331 W84  0.1+  0.1+    190308 T09  0.1+  0.1-
020114 645  0.1-  0.2-    181115 T09  0.1+  0.1-    190308 T09  0.1+  0.2+
020114 645  0.3-  0.1-    181115 T09  0.1+  0.0     190308 T09  0.1+  0.0
021107 645  0.1+  0.2+    181115 T09  0.3-  0.0     190315 T09  0.1-  0.1-
021107 645  0.0   0.0     181115 T09  0.0   0.2+    190315 T09  0.1-  0.1+
021107 645  0.1-  0.4+    190106 T09  0.1+  0.2-    190315 T09  0.1-  0.0
021231 645  0.0   0.1-    190106 T09  0.0   0.1-    200305 W84  0.1+  0.0
021231 645  0.2-  0.2-    190106 T09  0.1+  0.2+

Ephemeris:
2019 AU138               a,e,i = 31.06, 0.02, 18                 q = 30.3200
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 04 08    10 05 43.5 -02 49 56  30.7432 31.4534   134.5     1.3    22.8
...
2024 04 23    10 04 59.7 -02 41 26  30.9351 31.4543   120.3     1.6    22.8
...
2024 05 01    10 04 46.3 -02 37 28  31.0519 31.4548   112.7     1.7    22.9
...
2024 05 07    10 04 41.2 -02 34 50  31.1445 31.4552   107.1     1.8    22.9
2024 05 08    10 04 40.7 -02 34 25  31.1602 31.4552   106.1     1.8    22.9
2024 05 09    10 04 40.4 -02 34 02  31.1760 31.4553   105.2     1.8    22.9
...
2024 05 15    10 04 40.9 -02 31 51  31.2725 31.4557    99.5     1.8    22.9
...
2024 05 23    10 04 48.3 -02 29 32  31.4035 31.4562    92.1     1.8    22.9
...
2024 06 07    10 05 22.0 -02 27 10  31.6493 31.4571    78.2     1.8    22.9

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-J127





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