[Iaude] MPEC U154: 2023 UH3 [a=1.44,e=0.25,i=29.4,H=24.4]

Sat Oct 21 01:11:45 EDT 2023

M.P.E.C. 2023-U154                             Issued 2023 October 21, 05:10 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

                                    2023 UH3                                    


Observations:
     K23U03H* C2023 10 17.32736001 39 53.803+24 58 53.20         20.99wXEU154F51
     K23U03H  C2023 10 17.33990701 39 45.976+25 01 26.03         21.09wXEU154F51
     K23U03H  C2023 10 17.35239001 39 38.127+25 03 58.13         20.63wXEU154F51
     K23U03H  C2023 10 17.36547601 39 29.919+25 06 37.20         20.73wXEU154F51
     K23U03H  C2023 10 17.49506601 38 05.957+25 31 59.14         20.7 GVEU154H01
     K23U03H  C2023 10 17.49884101 38 03.633+25 32 43.68         20.6 GVEU154H01
     K23U03H  C2023 10 17.50300101 38 03.273+25 34 06.06         20.63GVEU154F51
     K23U03H  C2023 10 17.50364801 38 02.858+25 34 13.74         20.74GVEU154F51
     K23U03H  C2023 10 17.50458601 38 00.180+25 33 51.44         20.5 GVEU154H01
     K23U03H  C2023 10 18.23414 01 30 50.00 +27 55 14.4          21.3 GVEU154I52
     K23U03H  C2023 10 18.23514 01 30 49.38 +27 55 25.5          21.4 GVEU154I52
     K23U03H  C2023 10 18.23615 01 30 48.73 +27 55 36.9          21.9 GVEU154I52
     K23U03H KC2023 10 18.23624 01 30 47.52 +27 55 31.9          21.3 VqEU154734
     K23U03H KC2023 10 18.25613 01 30 35.06 +27 59 16.6          21.5 VqEU154734
     K23U03H  C2023 10 18.33208501 29 48.562+28 13 32.20         20.6 GVEU154H01
     K23U03H  C2023 10 18.33592201 29 46.158+28 14 14.86         20.7 GVEU154H01
     K23U03H  C2023 10 18.34745201 29 38.976+28 16 22.85         20.1 GVEU154H01
     K23U03H  C2023 10 18.35286601 29 35.607+28 17 22.93         20.4 GVEU154H01
     K23U03H KC2023 10 21.17563401 02 07.57 +35 58 59.2          20.4 GXEU154858
     K23U03H KC2023 10 21.18615701 02 01.28 +36 00 29.1          20.8 GXEU154858
     K23U03H KC2023 10 21.19649101 01 55.13 +36 01 57.9          21.2 GXEU154858

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.
858 Tebbutt Observatory, Edgewood.  Observer F. B. Zoltowski.  0.51-m f/8.1
    Schmidt-Cassegrain + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, P. Minguez, A.
    Schultz, I. Smith.  Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
    Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
    Weryk.  1.8-m Ritchey-Chretien + 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 UH3                                                 Earth MOID = 0.1070 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 358.11778              (2000.0)            P               Q                  
n   0.56845994     Peri.  333.18938     +0.97459611     +0.13134172             
a   1.4432320      Node    21.70970     +0.05583297     +0.64195491             
e   0.2494985      Incl.   29.36956     -0.21689881     +0.75540932             
P   1.73           H   24.47          G   0.15           U   9                  
Residuals in seconds of arc
231017 F51  0.2+  0.2+    231017 F51  0.0   0.1+    231018 H01  0.3+  0.0
231017 F51  0.5+  0.0     231017 H01  0.1+  0.0     231018 H01  0.1+  0.0
231017 F51  0.1+  0.2+    231018 I52  0.0   0.1+    231018 H01  0.1+  0.1-
231017 F51  0.2+  0.4+    231018 I52  0.1+  0.1-    231018 H01  0.1+  0.0
231017 H01  0.1+  0.1-    231018 I52  0.2-  0.1-    231021 858  0.3+  0.1+
231017 H01  0.3-  0.1-    231018 734  0.1+  0.1-    231021 858  0.2-  0.2-
231017 F51  0.2+  0.1+    231018 734  0.8-  0.5+    231021 858  0.2-  0.2+

Ephemeris:
2023 UH3                 a,e,i = 1.44, 0.25, 29                  q = 1.0831
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 21    04 35 00.9 -41 53 52   0.2263  1.0838   104.6    63.7    23.7
...
2023 10 06    03 21 48.6 -16 59 53   0.1283  1.0952   135.5    39.8    21.8
...
2023 10 14    02 12 48.2 +12 40 02   0.1125  1.1067   164.8    13.7    20.7
...
2023 10 20    01 13 24.6 +33 01 58   0.1313  1.1175   156.4    20.9    21.3
2023 10 21    01 03 46.2 +35 33 50   0.1365  1.1195   153.5    23.4    21.5
2023 10 22    00 54 21.0 +37 50 30   0.1421  1.1216   150.7    25.7    21.7
...
2023 10 28    00 04 29.9 +47 08 22   0.1829  1.1348   137.2    36.5    22.5
...
2023 11 05    23 19 13.5 +52 33 59   0.2472  1.1549   126.2    43.9    23.4
...
2023 11 20    22 45 49.6 +55 45 52   0.3766  1.1989   115.4    48.2    24.6

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-U154