[Iaude] MPEC R97: 2023 RU2 [a=2.68,e=0.54,i=4.2,H=22.6]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun Sep 10 09:10:58 EDT 2023


M.P.E.C. 2023-R97                            Issued 2023 September 10, 13:09 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 RU2                                    


Observations:
     K23R02U* C2023 09 07.45521201 24 48.607+12 13 27.88         21.66wXER097F51
     K23R02U  C2023 09 07.46620001 24 50.148+12 13 25.92         21.99wXER097F51
     K23R02U  C2023 09 07.47721101 24 51.707+12 13 23.70         21.80wXER097F51
     K23R02U  C2023 09 07.48828401 24 53.249+12 13 21.80         22.20wXER097F51
     K23R02U  C2023 09 07.55493301 25 02.575+12 13 08.30         21.37GVER097F52
     K23R02U  C2023 09 07.56926001 25 04.571+12 13 05.22         21.62GVER097F51
     K23R02U  C2023 09 07.57007701 25 04.678+12 13 05.10         21.77GVER097F51
     K23R02U 1C2023 09 08.07837 01 26 21.86 +12 11 02.6          20.9 VXER097033
     K23R02U 1C2023 09 08.08195 01 26 22.39 +12 11 02.2          20.6 VXER097033
     K23R02U 1C2023 09 08.08553 01 26 22.89 +12 11 01.7          20.6 VXER097033
     K23R02U KC2023 09 08.33409001 27 00.88 +12 10 12.6          21.3 GXER097858
     K23R02U KC2023 09 08.34583001 27 02.56 +12 10 10.5          21.9 GXER097858
     K23R02U 1C2023 09 09.08866 01 28 51.58 +12 07 04.1          22.1 VXER097033
     K23R02U 1C2023 09 09.09195 01 28 52.00 +12 07 03.4          21.5 VXER097033
     K23R02U 1C2023 09 09.09524 01 28 52.43 +12 07 02.4          21.5 VXER097033
     K23R02U KC2023 09 10.29097301 31 45.21 +12 01 43.4          22.0 VuER097H21
     K23R02U KC2023 09 10.29658501 31 45.95 +12 01 41.9          21.9 VuER097H21
     K23R02U KC2023 09 10.30182301 31 46.64 +12 01 40.6          21.8 VuER097H21
     K23R02U  C2023 09 10.44800601 32 07.882+12 01 06.39         22.04wXER097F51
     K23R02U  C2023 09 10.45834301 32 09.219+12 01 03.30         21.64wXER097F51
     K23R02U  C2023 09 10.47995901 32 12.017+12 00 57.54         21.47wXER097F51

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
    Hoegner, F. Ludwig, M. Hartmann, B. Stecklum.  Measurer B. Stecklum.
    1.34-m f/3 Schmidt + 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, K. Chambers, T. Dukes.  Measurers K. Chambers, T. de
    Boer, J. Bulger, J. Fairlamb, H. Gao, M. Huber, C.-C. Lin, T. Lowe, E.
    Magnier, P. Minguez, Y. Ramanjooloo, A. Schultz, I. Smith, R. Wainscoat,
    R. Weryk, S. Chastel.  1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
    Lowe, P. Minguez, A. Schultz, I. Smith.  Measurers S. Chastel, J.
    Fairlamb, M. Huber, 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.  0.81-m f/4.0 astrograph + CCD.

Orbital elements:
2023 RU2                                                 Earth MOID = 0.2263 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M   2.65176              (2000.0)            P               Q                  
n   0.22513999     Peri.  164.94063     +0.97426318     +0.22539831             
a   2.6760915      Node   182.03854     -0.21367147     +0.91975226             
e   0.5394447      Incl.    4.21911     -0.07180356     +0.32132753             
P   4.38           H   22.67          G   0.15           U   9                  
Residuals in seconds of arc
230907 F51  0.0   0.1+    230908 033  0.3-  0.1-    230909 033  0.1-  0.0
230907 F51  0.1-  0.2+    230908 033  0.1+  0.2+    230910 H21  0.3-  0.0
230907 F51  0.0   0.0     230908 033  0.0   0.6+    230910 H21  0.2-  0.1+
230907 F51  0.2-  0.2+    230908 858  0.3-  0.0     230910 H21  0.2-  0.2+
230907 F52  0.0   0.1-    230908 858  0.5+  0.4+    230910 F51  0.1+  0.0
230907 F51  0.1-  0.1-    230909 033  0.7+  0.0     230910 F51  0.0   0.2-
230907 F51  0.1-  0.1-    230909 033  0.2+  0.2+    230910 F51  0.2+  0.1+

Ephemeris:
2023 RU2                 a,e,i = 2.68, 0.54, 4                   q = 1.2325
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 08 11    23 59 58.3 +10 00 27   0.3220  1.2558   133.1    36.1    22.2
...
2023 08 26    00 49 01.5 +12 09 13   0.2889  1.2345   135.8    34.8    21.9
...
2023 09 03    01 12 52.5 +12 22 42   0.2808  1.2327   138.3    33.0    21.8
...
2023 09 09    01 28 38.6 +12 07 46   0.2786  1.2357   140.7    31.1    21.7
2023 09 10    01 31 03.3 +12 03 21   0.2785  1.2365   141.2    30.7    21.7
2023 09 11    01 33 23.9 +11 58 25   0.2785  1.2375   141.6    30.3    21.7
...
2023 09 17    01 45 59.8 +11 19 05   0.2807  1.2455   144.9    27.7    21.6
...
2023 09 25    01 58 46.8 +10 07 03   0.2886  1.2616   150.1    23.3    21.6
...
2023 10 10    02 11 24.6 +07 31 24   0.3207  1.3077   162.1    13.6    21.6

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-R97





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