[Iaude] MPEC R198: 2023 RB9 [a=1.22,e=0.34,i=7.8,H=21.5]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu Sep 14 19:58:34 EDT 2023


M.P.E.C. 2023-R198                           Issued 2023 September 14, 23:56 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 RB9                                    


Observations:
     K23R09B  C2023 08 18.45889623 20 03.254+06 29 20.49         22.57GVER198F51
     K23R09B  C2023 08 18.47014023 20 01.981+06 29 20.14         23.01GVER198F51
     K23R09B  C2023 08 18.48138923 20 00.741+06 29 20.25         22.42GVER198F51
     K23R09B  C2023 08 18.49273223 19 59.474+06 29 20.17         22.23GVER198F51
     K23R09B  C2023 08 21.42217323 14 36.333+06 26 54.42         22.97GVER198F52
     K23R09B  C2023 08 21.43303723 14 35.019+06 26 53.87         22.50GVER198F52
     K23R09B  C2023 08 21.44388423 14 33.709+06 26 52.86         22.16GVER198F52
     K23R09B* C2023 09 11.33206022 29 38.261+04 37 39.80         22.15wXER198F52
     K23R09B  C2023 09 11.34303922 29 36.804+04 37 34.50         21.78wXER198F52
     K23R09B  C2023 09 11.35398522 29 35.334+04 37 28.89         22.21wXER198F52
     K23R09B  C2023 09 11.36494122 29 33.856+04 37 23.49         22.19wXER198F52
     K23R09B  C2023 09 11.47007822 29 19.761+04 36 30.94         22.28GVER198F52
     K23R09B  C2023 09 11.47071322 29 19.663+04 36 30.50         21.65GVER198F52
     K23R09B 3C2023 09 14.50469022 22 56.523+04 10 26.54         22.17GVER198T14
     K23R09B 3C2023 09 14.50567222 22 56.400+04 10 26.01         22.13GVER198T14
     K23R09B 3C2023 09 14.50664922 22 56.277+04 10 25.51         22.10GVER198T14
     K23R09B 1C2023 09 14.88204 22 22 10.89 +04 07 00.5          21.7 VXER198033
     K23R09B 1C2023 09 14.88562 22 22 10.38 +04 06 58.9          21.9 VXER198033
     K23R09B 1C2023 09 14.88921 22 22 09.94 +04 06 57.2          22.2 VXER198033

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.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, 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.
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, K. Chambers,
    T. de Boer, J. Bulger, H. Gao, C.-C. Lin, T. Lowe, E. Magnier, P. Minguez,
    A. Schultz, I. Smith.  1.8-m Ritchey-Chretien + CCD.
T14 Canada-France-Hawaii Telescope, Maunakea.  Observers R. Wainscoat, L.
    Wells, H. Flewelling.  Measurers R. Weryk, R. Wainscoat.  3.6-m Canada-
    France-Hawaii Telescope + CCD.

Orbital elements:
2023 RB9                                                 Earth MOID = 0.0756 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 189.80788              (2000.0)            P               Q                  
n   0.73188193     Peri.  216.40379     -0.94139068     -0.31832832             
a   1.2194819      Node   304.66405     +0.33256445     -0.82053383             
e   0.3428893      Incl.    7.79693     +0.05643118     -0.47475395             
P   1.35           H   21.53          G   0.15           U   6                  
Residuals in seconds of arc
230818 F51  0.1+  0.2+    230911 F52  0.4-  0.3-    230914 T14  0.0   0.0
230818 F51  0.2-  0.0     230911 F52  0.2-  0.1-    230914 T14  0.0   0.0
230818 F51  0.0   0.2+    230911 F52  0.2-  0.3-    230914 033  0.3+  0.0
230818 F51  0.1-  0.3+    230911 F52  0.3-  0.2-    230914 033  0.6-  0.3+
230821 F52  0.3+  0.3-    230911 F52  0.1-  0.2-    230914 033  0.4-  0.5+
230821 F52  0.0   0.0     230911 F52  0.3-  0.3-
230821 F52  0.2-  0.1-    230914 T14  0.0   0.0

Ephemeris:
2023 RB9                 a,e,i = 1.22, 0.34, 8                   q = 0.8013
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 08 15    23 25 51.8 +06 27 51   0.6930  1.6330   145.7    20.4    22.8
...
2023 08 30    22 56 54.8 +06 00 25   0.6442  1.6376   163.4    10.1    22.3
...
2023 09 07    22 39 08.2 +05 11 43   0.6382  1.6366   167.3     7.8    22.2
...
2023 09 13    22 26 05.0 +04 23 37   0.6437  1.6342   163.7    10.0    22.3
2023 09 14    22 23 59.7 +04 14 57   0.6454  1.6337   162.7    10.6    22.3
2023 09 15    22 21 56.4 +04 06 08   0.6474  1.6331   161.6    11.2    22.3
...
2023 09 21    22 10 28.8 +03 11 34   0.6637  1.6290   154.6    15.3    22.5
...
2023 09 29    21 58 07.4 +01 59 39   0.6966  1.6213   144.7    20.9    22.8
...
2023 10 14    21 45 24.0 +00 09 20   0.7840  1.6003   127.4    29.7    23.3

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-R198





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