[Iaude] MPEC U68: 2023 UR [a=2.02,e=0.54,i=2.7,H=24.2]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed Oct 18 09:44:22 EDT 2023


M.P.E.C. 2023-U68                              Issued 2023 October 18, 13:42 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

                                    2023 UR                                     


Observations:
     K23U00R*1C2023 10 16.43147605 41 08.905-09 50 11.47         19.97GVEU068G96
     K23U00R 1C2023 10 16.43617905 41 06.058-09 49 29.82         20.34GVEU068G96
     K23U00R 1C2023 10 16.44090705 41 03.199-09 48 48.31         20.32GVEU068G96
     K23U00R 1C2023 10 16.44561305 41 00.312-09 48 06.37         20.26GVEU068G96
     K23U00R  C2023 10 16.47095805 40 44.403-09 44 23.79         20.1 GVEU068H01
     K23U00R  C2023 10 16.47518305 40 41.836-09 43 46.17         20.2 GVEU068H01
     K23U00R  C2023 10 16.48505305 40 35.843-09 42 18.44         20.5 GVEU068H01
     K23U00R  C2023 10 16.49180405 40 31.753-09 41 18.50         20.4 GVEU068H01
     K23U00R mC2023 10 16.50951405 40 21.482-09 38 38.87         21.01GVEU068I52
     K23U00R mC2023 10 16.50993905 40 21.220-09 38 35.52         20.63GVEU068I52
     K23U00R mC2023 10 16.51036405 40 20.935-09 38 31.70         20.99GVEU068I52
     K23U00R mC2023 10 16.51079005 40 20.708-09 38 27.89         22.48GVEU068I52
     K23U00R KC2023 10 17.37294 05 32 46.26 -07 37 02.5          19.7 VqEU068734
     K23U00R KC2023 10 17.37462005 32 44.43 -07 36 50.0          20.3 VuEU068H21
     K23U00R KC2023 10 17.37742705 32 42.91 -07 36 27.4          20.5 VuEU068H21
     K23U00R KC2023 10 17.38023205 32 41.38 -07 36 04.9          20.4 VuEU068H21
     K23U00R KC2023 10 17.38030 05 32 42.20 -07 36 02.7          20.5 VqEU068734
     K23U00R KC2023 10 17.38322605 32 39.74 -07 35 40.6          20.5 VuEU068H21
     K23U00R KC2023 10 17.38584505 32 38.32 -07 35 19.4          20.4 VuEU068H21
     K23U00R KC2023 10 17.38767 05 32 38.19 -07 35 03.2          20.2 VqEU068734
     K23U00R  C2023 10 18.48746705 23 52.452-05 15 15.61         20.5 GVEU068H01
     K23U00R  C2023 10 18.49155605 23 50.456-05 14 46.03         20.4 GVEU068H01
     K23U00R  C2023 10 18.50219205 23 45.287-05 13 29.56         20.6 GVEU068H01
     K23U00R  C2023 10 18.50847905 23 42.227-05 12 44.38         20.9 GVEU068H01
     K23U00R mC2023 10 18.51363205 23 40.103-05 12 04.86         21.20GVEU068I52
     K23U00R mC2023 10 18.51419505 23 39.815-05 12 00.97               VEU068I52
     K23U00R mC2023 10 18.51475905 23 39.512-05 11 57.12               VEU068I52
     K23U00R mC2023 10 18.51532205 23 39.275-05 11 52.94               VEU068I52

Observer details:
734 Farpoint Observatory, Eskridge.  Observers D. Cromer, G. Hug, D. Goodin,
    R. Valentine.  Measurer G. Hug.  0.69-m f/3.54 reflector + CCD.
G96 Mt. Lemmon Survey.  Observer D. C. Fuls.  Measurers E. C. Beshore, 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, D. Rankin, R. L.
    Seaman, F. C. Shelly, K. W. Wierzchos.  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 T. Linder, R. Holmes, L. Horn.  0.81-m f/4.0 astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observers J. K. Hogan, G. J.
    Leonard.  Measurers E. C. Beshore, 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, D. Rankin, R. L. Seaman, F. C. Shelly, K. W.
    Wierzchos.  1.0-m prime focus + CCD.

Orbital elements:
2023 UR                                                  Earth MOID = 0.0360 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Bell                    
M 359.99738              (2000.0)            P               Q                  
n   0.34227853     Peri.  268.53163     +0.95315313     +0.29895227             
a   2.0240269      Node    74.07199     -0.25494987     +0.87601194             
e   0.5403275      Incl.    2.74878     -0.16278721     +0.37845823             
P   2.88           H   24.29          G   0.15           U   9                  
Residuals in seconds of arc
231016 G96  0.3-  0.5+    231016 I52  0.3-  0.3-    231018 H01  0.0   0.2-
231016 G96  0.0   0.4+    231016 I52  0.1+  0.3-    231018 H01  0.1-  0.1-
231016 G96  0.4+  0.1-    231017 734  0.4+  0.6-    231018 H01  0.1-  0.1-
231016 G96  0.1+  0.0     231017 H21  0.1-  0.3-    231018 H01  0.3-  0.2-
231016 H01  0.0   0.0     231017 H21  0.1+  0.3-    231018 I52  0.2+  0.1+
231016 H01  0.0   0.1+    231017 H21  0.1+  0.5-    231018 I52  0.0   0.1-
231016 H01  0.1-  0.1+    231017 734  0.4-  0.1-    231018 I52  0.5-  0.3-
231016 H01  0.1-  0.1+    231017 H21  0.0   0.3-    231018 I52  0.1+  0.2-
231016 I52  0.2+  0.1+    231017 H21  0.1+  0.2-
231016 I52  0.1+  0.4-    231017 734  0.3-  0.1+

Ephemeris:
2023 UR                  a,e,i = 2.02, 0.54, 3                   q = 0.9304
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 18    14 04 42.6 -35 32 34   0.1218  0.9327    50.7   123.5    24.7
...
2023 10 03    10 48 19.7 -47 53 53   0.05498 0.9662    49.7   127.8    23.4
...
2023 10 11    06 55 28.9 -27 12 53   0.05141 0.9986    88.6    88.4    21.0
...
2023 10 17    05 35 57.1 -08 26 52   0.06974 1.0285   115.2    61.3    20.8
2023 10 18    05 27 38.3 -06 14 00   0.07378 1.0339   118.5    57.9    20.8
2023 10 19    05 20 11.0 -04 14 26   0.07799 1.0394   121.7    54.7    20.8
...
2023 10 25    04 47 33.6 +04 15 47   0.1061  1.0743   136.8    39.3    21.1
...
2023 11 02    04 20 54.7 +10 21 27   0.1487  1.1257   151.7    24.7    21.6
...
2023 11 17    03 51 19.0 +15 34 43   0.2444  1.2320   173.3     5.4    22.1

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-U68




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