[Iaude] MPEC J80: 2020 UW5 [a=1.26,e=0.14,i=36.9,H=21.44]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Sun May 5 10:12:46 EDT 2024


M.P.E.C. 2024-J80                                   Issued 2024 May 5, 14:11 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

                                    2020 UW5                                    


                           Revision to MPEC 2020-U232                           

Additional Observations:
     K20U05W KC2024 05 02.13821508 39 54.164-19 43 03.11         20.6 GVEJ080I52
     K20U05W KC2024 05 02.14834508 39 57.482-19 42 08.09         20.1 GVEJ080I52
     K20U05W KC2024 05 02.15761708 40 00.492-19 41 17.49               VEJ080I52
     K20U05W KC2024 05 04.17654708 51 22.570-16 36 08.20               VEJ080I52
     K20U05W KC2024 05 04.18273308 51 24.610-16 35 34.20         20.97GVEJ080I52

Observer details:
I52 Steward Observatory, Mt. Lemmon Station.  Observers D. Rankin, V. F.
    Carvajal.  Measurers D. Rankin, D. Parrott, T. Beuden, V. F. Carvajal, D.
    Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, J.
    K. Hogan, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L. Seaman, F. C.
    Shelly, K. W. Wierzchos.  1.00-m f/2.0 prime focus + CCD + CCD, 1.0-m
    prime focus + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
240502 I52 0.20+ 0.05+    240504 I52 0.22+ 0.01+    E2023-X01   +0.13 days

Orbital elements:
2020 UW5                                                 Earth MOID = 0.0871 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
M 335.79101              (2000.0)            P               Q                  
n   0.69467182     Peri.  345.00134     -0.85755687     +0.32308938             
a   1.2626498      Node   221.86433     -0.38820315     -0.91701944             
e   0.1362380      Incl.   36.85276     -0.33748264     +0.23385595             
P   1.42           H   21.44          G   0.15           U   3                  
Residuals in seconds of arc
201015 F52 (0.1+  0.8-)   201023 F52  0.4-  0.3-    201025 F51  0.1+  0.1-
201015 F52  0.2-  0.0     201023 F51  0.2+  0.1-    201103 I52  0.2+  0.4-
201015 F52  0.1-  0.3+    201023 F51  0.0   0.2-    201103 I52  0.8+  0.3+
201015 F52  0.4-  0.5-    201023 F51  0.4+  0.0     201103 I52  0.3+  0.2-
201016 F51  0.4-  0.0     201024 F51  0.2+  0.3-    201114 V06  0.1-  0.0
201016 F51  0.1-  0.1+    201024 F51  0.0   0.5-    201114 V06  0.0   0.0
201017 F52  0.5+  0.5+    201024 F51  0.0   0.1+    201114 V06  0.3-  0.5+
201017 F52  0.3+  0.0     201024 F51  0.1+  0.1-    201114 V06 (0.2+  3.8+)
201017 F52  0.4+  0.1+    201024 F51  0.0   0.5-    201116 G96  0.4-  0.3+
201022 G96  0.3+  0.1-    201024 F51  0.4+  0.3-    201116 G96  0.1+  0.1-
201022 G96  0.1-  0.2+    201025 F51  0.1+  0.2-    201116 G96  0.2-  0.2-
201022 F52  0.2+  0.1-    201025 F51  0.0   0.2-    201116 G96  0.2+  0.1-
201022 F52  0.2-  0.0     201025 F52  0.1-  0.3-    240502 I52  0.0   0.2-
201022 F52  0.2-  0.2-    201025 F51  0.0   0.4+    240502 I52  0.0   0.0
201023 F52  0.2-  0.4+    201025 F52  0.2-  0.1-    240502 I52  0.5-  0.3+
201023 F52  0.3-  0.5+    201025 F51  0.0   0.3-    240504 I52  0.0   0.1+
201023 F51  0.1+  0.3-    201025 F52  0.1+  0.3+    240504 I52  0.1-  0.7-
201023 F51  0.1+  0.3-    201025 F51  0.0   0.3-
201023 F51  0.2+  0.1-    201025 F51  0.0   0.2-

Ephemeris:
2020 UW5                 a,e,i = 1.26, 0.14, 37                  q = 1.0906
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 04 05    06 28 58.1 -46 18 45   0.4766  1.1054    89.6    64.8    22.3
...
2024 04 20    07 35 04.8 -35 00 50   0.3819  1.0943    93.2    66.4    21.9
...
2024 04 28    08 17 00.0 -25 36 20   0.3434  1.0914    95.0    66.8    21.7
...
2024 05 04    08 50 23.5 -16 52 22   0.3257  1.0906    95.8    66.9    21.5
2024 05 05    08 56 03.0 -15 18 31   0.3239  1.0906    95.9    66.9    21.5
2024 05 06    09 01 43.5 -13 43 23   0.3224  1.0907    96.0    66.9    21.5
...
2024 05 12    09 35 49.0 -04 00 21   0.3218  1.0915    95.9    67.0    21.5
...
2024 05 20    10 20 08.9 +08 10 52   0.3419  1.0945    94.7    67.1    21.7
...
2024 06 04    11 34 39.3 +24 14 23   0.4281  1.1057    90.7    66.6    22.2

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-J80





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