[Iaude] MPEC U61: 2023 UN [a=2.07,e=0.56,i=8.9,H=25.9]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed Oct 18 09:36:00 EDT 2023


M.P.E.C. 2023-U61                              Issued 2023 October 18, 13:34 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 UN                                     


Observations:
     K23U00N  C2023 10 10.18352 22 42 19.50 +21 53 25.5          21.2 GVEU061G96
     K23U00N  C2023 10 10.18873 22 42 18.97 +21 53 21.2          22.3 GVEU061G96
     K23U00N  C2023 10 10.19394 22 42 18.40 +21 53 19.4          20.8 GVEU061G96
     K23U00N* C2023 10 18.12089 22 27 14.22 +16 18 26.2                VEU061703
     K23U00N  C2023 10 18.12616 22 27 11.66 +16 17 40.6          19.0 GVEU061703
     K23U00N  C2023 10 18.13144 22 27 09.18 +16 16 55.7          18.9 GVEU061703
     K23U00N  C2023 10 18.13673 22 27 06.64 +16 16 09.7          19.5 GVEU061703
     K23U00N  C2023 10 18.23098 22 26 19.91 +16 01 49.5          18.8 GVEU061I52
     K23U00N  C2023 10 18.23129 22 26 19.76 +16 01 46.8          19.1 GVEU061I52
     K23U00N  C2023 10 18.23160 22 26 19.60 +16 01 43.8          19.1 GVEU061I52
     K23U00N  C2023 10 18.23191 22 26 19.46 +16 01 41.2          19.2 GVEU061I52
     K23U00N  C2023 10 18.30328022 25 43.605+15 49 37.95         18.9 GVEU061H01
     K23U00N  C2023 10 18.31015522 25 40.389+15 48 27.24         18.7 GVEU061H01
     K23U00N  C2023 10 18.31976422 25 35.931+15 46 47.70         19.0 GVEU061H01
     K23U00N  C2023 10 18.32378522 25 34.081+15 46 05.72         18.8 GVEU061H01
     K23U00N  C2023 10 18.36396 22 25 16.24 +15 39 15.8          19.0 GVEU061I52
     K23U00N  C2023 10 18.36433 22 25 16.06 +15 39 11.8          18.9 GVEU061I52
     K23U00N  C2023 10 18.36469 22 25 15.90 +15 39 07.7          18.9 GVEU061I52
     K23U00N  C2023 10 18.36506 22 25 15.73 +15 39 03.6          18.8 GVEU061I52

Observer details:
703 Catalina Sky Survey.  Observer 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.  0.68-m Schmidt + 10K CCD.
G96 Mt. Lemmon Survey.  Observer D. Rankin.  Measurers B. Gray, D. Rankin, F.
    C. Shelly.  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.
I52 Steward Observatory, Mt. Lemmon Station.  Observer 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
    f/2.0 prime focus + CCD.

Orbital elements:
2023 UN                                                  Earth MOID = 0.0008 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Bell                    
M 337.63193              (2000.0)            P               Q                  
n   0.33156014     Peri.  219.09619     +0.41459495     -0.90737310             
a   2.0674158      Node   206.62309     +0.86884571     +0.41730014             
e   0.5561197      Incl.    8.88002     +0.27058854     +0.05034530             
P   2.97           H   25.95          G   0.15           U   8                  
Residuals in seconds of arc
231010 G96  0.4+  0.2+    231018 I52  0.1-  0.3-    231018 H01  0.1+  0.0
231010 G96  0.2+  0.9-    231018 I52  0.0   0.1-    231018 I52  0.3+  0.2+
231010 G96  0.6-  0.7+    231018 I52  0.0   0.1-    231018 I52  0.1+  0.2+
231018 703  0.3+  0.3+    231018 I52  0.1+  0.2+    231018 I52  0.0   0.1-
231018 703  0.5-  0.2-    231018 H01  0.1-  0.1-    231018 I52  0.0   0.2-
231018 703  0.1+  0.3+    231018 H01  0.0   0.0
231018 703  0.2+  0.1+    231018 H01  0.0   0.1+

Ephemeris:
2023 UN                  a,e,i = 2.07, 0.56, 9                   q = 0.9177
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 18    22 57 10.0 +21 47 45   0.2278  1.2137   153.9    21.4    24.2
...
2023 10 03    22 47 40.3 +22 30 47   0.1206  1.1050   148.1    28.6    22.8
...
2023 10 11    22 41 34.2 +21 43 57   0.06748 1.0531   142.7    35.1    21.7
...
2023 10 17    22 31 51.9 +18 21 45   0.02864 1.0180   137.0    41.9    19.9
2023 10 18    22 27 45.8 +16 37 22   0.02223 1.0125   135.3    43.8    19.4
2023 10 19    22 20 42.6 +13 28 19   0.01588 1.0072   132.9    46.4    18.7
...
2023 10 25    11 03 26.9 -30 46 20   0.02350 0.9778    44.0   135.1    24.0
...
2023 11 02    10 52 31.1 -25 45 57   0.07521 0.9470    51.1   125.4    25.5
...
2023 11 17    11 00 16.2 -24 33 07   0.1719  0.9196    61.6   108.9    26.1

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-U61




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