[Iaude] MPEC U87: 2023 UH1 [a=0.85,e=0.20,i=7.3,H=27.0]

Wed Oct 18 11:51:48 EDT 2023

M.P.E.C. 2023-U87                              Issued 2023 October 18, 15:50 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 UH1                                    


Observations:
     K23U01H* C2023 10 17.44050503 43 01.503+08 22 05.55         20.50wXEU087F51
     K23U01H  C2023 10 17.45334503 42 45.685+08 24 04.17         20.64wXEU087F51
     K23U01H  C2023 10 17.46621803 42 29.694+08 26 03.19         20.58wXEU087F51
     K23U01H  C2023 10 17.61923303 39 17.862+08 49 23.65               VEU087F51
     K23U01H  C2023 10 17.61961303 39 17.412+08 49 27.03         20.25GVEU087F51
     K23U01H KC2023 10 17.66454603 38 32.54 +09 01 44.3          20.0 GVEU087474
     K23U01H KC2023 10 17.66701803 38 29.53 +09 02 08.2          20.1 GVEU087474
     K23U01H KC2023 10 17.66949303 38 26.38 +09 02 30.7          20.6 GVEU087474
     K23U01H KC2023 10 17.67196703 38 23.36 +09 02 53.6          20.9 GVEU087474
     K23U01H KC2023 10 17.67444203 38 20.27 +09 03 16.1          20.1 GVEU087474
     K23U01H hC2023 10 18.02415303 31 37.84 +09 50 45.0          20.0 GVEU087L01
     K23U01H hC2023 10 18.02650403 31 34.78 +09 51 07.2          20.4 GVEU087L01
     K23U01H hC2023 10 18.02860603 31 32.06 +09 51 26.8          20.2 GVEU087L01
     K23U01H hC2023 10 18.03384003 31 25.23 +09 52 16.2          20.3 GVEU087L01
     K23U01H KC2023 10 18.27540503 26 36.66 +10 31 12.5          20.5 VuEU087H21
     K23U01H KC2023 10 18.27820403 26 32.95 +10 31 39.5          20.5 VuEU087H21
     K23U01H KC2023 10 18.28100303 26 29.20 +10 32 06.5          20.9 VuEU087H21
     K23U01H KC2023 10 18.28380203 26 25.45 +10 32 33.6          20.9 VuEU087H21
     K23U01H 3C2023 10 18.44178503 23 14.157+10 59 42.17         20.27GVEU087T14
     K23U01H 3C2023 10 18.44343303 23 11.896+10 59 58.29         20.26GVEU087T14
     K23U01H 3C2023 10 18.44443103 23 10.524+11 00 08.14         20.27GVEU087T14

Observer details:
474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore, P. M.
    Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + 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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.76-m f/3.0 astrograph + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
T14 Canada-France-Hawaii Telescope, Maunakea.  Observers R. Wainscoat, H.
    Januszewski, T. Burdullis.  Measurers R. Weryk, R. Wainscoat.  3.6-m f/4.1
    reflector + CCD.

Orbital elements:
2023 UH1                                                 Earth MOID = 0.0242 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 133.95028              (2000.0)            P               Q                  
n   1.25418245     Peri.  179.54440     -0.89702113     +0.43824059             
a   0.8515868      Node    26.68257     -0.40591921     -0.76542379             
e   0.1983619      Incl.    7.34794     -0.17487907     -0.47124474             
P   0.79           H   27.05          G   0.15           U   8                  
Residuals in seconds of arc
231017 F51  1.3-  0.9+    231017 474  0.4-  0.2+    231018 H21  0.1-  0.4+
231017 F51  0.7-  0.6+    231017 474  0.3+  0.3+    231018 H21  0.1+  0.3+
231017 F51  1.0-  0.7+    231017 474  0.0   0.0     231018 H21  0.2-  0.1+
231017 F51  0.2-  0.3+    231018 L01  0.6+  0.1+    231018 H21  0.5-  0.2+
231017 F51  0.1+  0.2+    231018 L01  0.3+  0.0     231018 T14  0.0   0.0
231017 474  0.1-  0.7-    231018 L01  0.2+  0.4-    231018 T14  0.0   0.0
231017 474  0.7+  0.4+    231018 L01  0.7-  0.7-    231018 T14  0.0   0.0

Ephemeris:
2023 UH1                 a,e,i = 0.85, 0.20, 7                   q = 0.6827
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 18    06 24 56.3 -15 09 43   0.09623 0.9924    79.7    94.8    25.3
...
2023 10 03    05 51 24.6 -10 17 03   0.05972 1.0127    99.7    76.9    23.6
...
2023 10 11    05 06 28.4 -03 36 52   0.04033 1.0184   118.4    59.6    22.3
...
2023 10 17    03 50 54.9 +07 17 14   0.02878 1.0203   143.9    35.1    20.8
2023 10 18    03 32 06.3 +09 49 53   0.02747 1.0204   149.7    29.6    20.6
2023 10 19    03 11 12.4 +12 31 36   0.02644 1.0204   155.7    23.7    20.3
...
2023 10 25    00 39 41.5 +26 21 59   0.02710 1.0196   157.0    22.4    20.3
...
2023 11 02    22 21 36.2 +29 16 49   0.04185 1.0152   122.0    56.0    22.2
...
2023 11 17    21 05 30.5 +26 53 49   0.07925 0.9974    93.9    81.6    24.4

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-U87