[Iaude] MPEC U148: 2023 UB3 [a=2.18,e=0.47,i=7.8,H=25.1]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Oct 20 16:52:26 EDT 2023


M.P.E.C. 2023-U148                             Issued 2023 October 20, 20:50 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 UB3                                    


Observations:
     K23U03B* C2023 10 18.35598 02 02 45.45 +20 04 01.2          22.0 GVEU148V00
     K23U03B  C2023 10 18.36152 02 02 45.28 +20 04 12.2          22.6 GVEU148V00
     K23U03B  C2023 10 18.36702 02 02 45.13 +20 04 23.4          22.5 GVEU148V00
     K23U03B  C2023 10 18.37252 02 02 45.01 +20 04 34.4          22.2 GVEU148V00
     K23U03B  C2023 10 18.40056102 02 44.112+20 05 28.80         22.6 GVEU148H01
     K23U03B  C2023 10 18.40419002 02 44.018+20 05 35.93         22.8 GVEU148H01
     K23U03B  C2023 10 18.41267302 02 43.806+20 05 52.70         22.8 GVEU148H01
     K23U03B  C2023 10 18.42415502 02 43.524+20 06 15.22         22.3 GVEU148H01
     K23U03B KC2023 10 20.21821 02 02 21.43 +21 04 38.9          22.8 GVEU148291
     K23U03B KC2023 10 20.23846 02 02 20.92 +21 05 17.0          22.8 GVEU148291
     K23U03B KC2023 10 20.26780 02 02 20.02 +21 06 12.2          23.4 GVEU148291
     K23U03B mC2023 10 20.33060402 02 18.236+21 08 11.26         23.33GVEU148V00
     K23U03B mC2023 10 20.33587902 02 18.107+21 08 21.37         22.70GVEU148V00
     K23U03B mC2023 10 20.34119602 02 17.941+21 08 31.16         23.20GVEU148V00
     K23U03B mC2023 10 20.34650602 02 17.783+21 08 40.81         22.82GVEU148V00

Observer details:
291 LPL/Spacewatch II.  Observer M. J. Brucker.  1.8-m f/2.7 reflector + 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.
V00 Kitt Peak-Bok.  Observer R. A. Mastaler.  Measurers M. J. Brucker, C. E.
    Woodward, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, H. Groeller, J.
    K. Hogan, R. A. Kowalski, S. M. Larson, C. Lejoly, G. J. Leonard, R. A.
    Mastaler, R. S. McMillan, D. Rankin, R. L. Seaman, A. Serrano, F. C.
    Shelly, K. W. Wierzchos.  2.25-m reflector + mosaic CCD, 2.25-m reflector
    + 4x4K mosaic CCD.

Orbital elements:
2023 UB3                                                 Earth MOID = 0.1651 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Bell                    
M 359.40657              (2000.0)            P               Q                  
n   0.30633278     Peri.  338.92993     +0.99616075     +0.07845799             
a   2.1794173      Node    16.71141     -0.04752121     +0.85718764             
e   0.4667356      Incl.    7.76160     -0.07352202     +0.50899282             
P   3.22           H   25.14          G   0.15           U   9                  
Residuals in seconds of arc
231018 V00  0.1+  0.0     231018 H01  0.0   0.1+    231020 291  0.5-  0.9-
231018 V00  0.2-  0.1-    231018 H01  0.0   0.0     231020 V00  0.1-  0.1-
231018 V00  0.2-  0.0     231018 H01  0.0   0.1-    231020 V00  0.2+  0.2+
231018 V00  0.3+  0.0     231020 291  0.1+  0.6+    231020 V00  0.0   0.1+
231018 H01  0.0   0.2+    231020 291  0.6+  0.2-    231020 V00  0.1-  0.1-

Ephemeris:
2023 UB3                 a,e,i = 2.18, 0.47, 8                   q = 1.1622
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 20    01 52 30.1 -03 25 22   0.1817  1.1635   148.6    26.7    23.0
...
2023 10 05    02 03 06.7 +10 36 03   0.1933  1.1825   158.8    17.8    22.9
...
2023 10 13    02 03 38.8 +16 44 01   0.2100  1.2013   164.0    13.2    22.9
...
2023 10 19    02 02 37.3 +20 25 37   0.2275  1.2191   167.1    10.5    23.0
2023 10 20    02 02 23.2 +20 57 54   0.2308  1.2223   167.4    10.2    23.0
2023 10 21    02 02 08.6 +21 28 52   0.2343  1.2256   167.7     9.9    23.1
...
2023 10 27    02 00 38.5 +24 08 31   0.2573  1.2471   168.3     9.3    23.3
...
2023 11 04    01 59 10.0 +26 38 41   0.2946  1.2797   165.9    10.9    23.7
...
2023 11 19    02 00 46.0 +29 00 38   0.3854  1.3506   156.5    17.0    24.6

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-U148




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