[Iaude] MPEC R227: 2022 UU11 [a=0.91,e=0.25,i=14.2,H=21.05]

[mpec at marsden.cfa.harvard.edu]

M.P.E.C. 2023-R227                           Issued 2023 September 15, 14:10 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

                                   2022 UU11                                    


                           Revision to MPEC 2022-U304                           

Additional Observations:
     K22U11U  C2021 10 29.06959 20 33 51.10 -01 40 06.1          21.4 GVER227G96
     K22U11U  C2021 10 29.07527 20 33 52.01 -01 39 58.3          21.4 GVER227G96
     K22U11U  C2021 10 29.08092 20 33 52.83 -01 39 50.3          21.8 GVER227G96
     K22U11U  C2021 10 29.08980 20 33 54.30 -01 39 38.1          21.8 GVER227G96
     K22U11U 0C2023 09 11.61968606 56 06.632+36 24 26.01         23.66GVER227T12

Observer details:
G96 Mt. Lemmon Survey.  Observer D. C. Fuls.  Measurers B. Gray, D. Rankin, F.
    C. Shelly.  1.5-m reflector + 10K CCD.
T12 University of Hawaii 88-inch telescope, Maunakea.  Observer D. J. Tholen.
    2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
211029 G96 21.7- 24.7-    230911 T12  0.8-  5.5-    MPO741002   +0.01 days

Orbital elements:
2022 UU11                                           PHA, Earth MOID = 0.0256 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 206.78065              (2000.0)            P               Q                  
n   1.12968358     Peri.  224.15118     -0.86498664     +0.49792782             
a   0.9130576      Node   345.34467     -0.36467792     -0.70889602             
e   0.2500560      Incl.   14.22651     -0.34468555     -0.49953410             
P   0.87           H   21.05          G   0.15           U   3                  
Residuals in seconds of arc
211029 G96  0.1+  0.2-    221020 H21  0.3-  0.0     221105 290  0.1+  0.1-
211029 G96  0.3+  0.2-    221020 H21  0.2-  0.0     221105 290  0.1-  0.0
211029 G96  0.7-  0.1+    221020 I52  0.3-  0.2+    221105 290  0.1-  0.1-
211029 G96  0.4+  0.2+    221020 H21  0.0   0.1-    221121 204  0.2-  0.6-
221018 F51  0.1-  0.0     221020 I52  0.6+  0.5+    221121 204  0.0   0.2-
221018 F51  0.0   0.1-    221020 I52  0.0   0.4-    221124 J95  0.0   0.0
221018 F51  0.0   0.0     221027 I52  0.2+  0.7-    221124 J95  0.4+  0.7-
221019 H21  0.1-  0.4+    221027 I52  0.2-  0.4-    221223 Z84  0.0   0.1+
221019 H21  0.1+  0.3+    221027 I52  0.0   0.1+    230911 T12  0.0   0.0
221019 H21  0.0   0.5+    221027 I52  0.9+  0.1+

Ephemeris:
2022 UU11                a,e,i = 0.91, 0.25, 14                  q = 0.6847
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 08 16    05 09 17.4 +32 17 54   1.1370  1.1408    63.8    52.8    23.6
...
2023 08 31    06 07 11.5 +35 11 58   1.0754  1.1381    66.1    54.2    23.5
...
2023 09 08    06 40 30.0 +36 08 35   1.0405  1.1315    67.0    55.1    23.4
...
2023 09 14    07 06 31.3 +36 31 13   1.0140  1.1241    67.6    55.9    23.4
2023 09 15    07 10 56.2 +36 33 11   1.0095  1.1227    67.7    56.0    23.4
2023 09 16    07 15 22.3 +36 34 36   1.0051  1.1212    67.8    56.1    23.3
...
2023 09 22    07 42 23.5 +36 31 21   0.9785  1.1111    68.2    57.0    23.3
...
2023 09 30    08 19 17.9 +35 53 07   0.9438  1.0947    68.4    58.3    23.2
...
2023 10 15    09 29 50.3 +32 44 51   0.8833  1.0546    67.9    61.2    23.1

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-R227