[Iaude] MPEC X211: 2023 XB8 [a=1.39,e=0.22,i=9.5,H=22.7]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Dec 11 09:56:53 EST 2023


M.P.E.C. 2023-X211                            Issued 2023 December 11, 14:55 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 XB8                                    


Observations:
     K23X08B* C2023 12 07.31300103 40 57.421+28 55 09.12         22.30GVEX211V00
     K23X08B  C2023 12 07.31850903 40 56.744+28 55 01.31         22.02GVEX211V00
     K23X08B  C2023 12 07.32401303 40 56.082+28 54 53.53         22.49GVEX211V00
     K23X08B  C2023 12 07.32951303 40 55.416+28 54 45.58         22.84GVEX211V00
     K23X08B KC2023 12 07.42440 03 40 44.12 +28 52 30.7                VEX211291
     K23X08B KC2023 12 07.43458 03 40 42.91 +28 52 15.7          22.2 RVEX211291
     K23X08B KC2023 12 07.44432 03 40 41.82 +28 52 01.8          22.4 RVEX211291
     K23X08B  C2023 12 08.25134203 39 12.322+28 33 14.50         21.8 GVEX211H01
     K23X08B  C2023 12 08.27173803 39 09.888+28 32 45.50         22.0 GVEX211H01
     K23X08B  C2023 12 08.27516303 39 09.465+28 32 40.66         21.8 GVEX211H01
     K23X08B  C2023 12 08.29020703 39 07.680+28 32 19.32         21.7 GVEX211H01
     K23X08B KC2023 12 09.32277 03 37 14.04 +28 07 53.2                VEX211291
     K23X08B KC2023 12 09.34391 03 37 11.62 +28 07 21.4                VEX211291
     K23X08B KC2023 12 09.36505 03 37 09.21 +28 06 50.6          22.8 RVEX211291
     K23X08B  C2023 12 11.21357903 33 54.726+27 22 21.12         22.0 GVEX211H01
     K23X08B  C2023 12 11.22024503 33 53.986+27 22 11.48         21.6 GVEX211H01
     K23X08B  C2023 12 11.23100903 33 52.791+27 21 55.73         22.8 GVEX211H01
     K23X08B  C2023 12 11.23594203 33 52.251+27 21 48.66         21.8 GVEX211H01

Observer details:
291 LPL/Spacewatch II.  Observers R. A. Mastaler, M. T. Read.  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 H. Groeller.  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 + 4x4K mosaic CCD.

Orbital elements:
2023 XB8                                                 Earth MOID = 0.1816 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                MPC                     
M 226.80335              (2000.0)            P               Q                  
n   0.60072928     Peri.  269.84944     -0.98515337     -0.04987104             
a   1.3910738      Node   267.28993     +0.11061501     -0.91616842             
e   0.2226667      Incl.    9.46570     -0.13129032     -0.39767866             
P   1.64           H   22.74          G   0.15           U   8                  
Residuals in seconds of arc
231207 V00  0.1+  0.1+    231207 291  0.2+  0.2+    231209 291  0.0   0.1-
231207 V00  0.0   0.0     231208 H01  0.2+  0.0     231209 291  0.2+  0.0
231207 V00  0.0   0.0     231208 H01  0.1+  0.1-    231211 H01  0.0   0.0
231207 V00  0.0   0.1-    231208 H01  0.1-  0.0     231211 H01  0.0   0.0
231207 291  0.1-  0.4+    231208 H01  0.1-  0.1+    231211 H01  0.0   0.0
231207 291  0.4-  0.1+    231209 291  0.3-  0.9+    231211 H01  0.0   0.1+

Ephemeris:
2023 XB8                 a,e,i = 1.39, 0.22, 9                   q = 1.0813
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 11 11    04 29 43.2 +35 41 38   0.5438  1.4958   153.2    17.4    23.2
...
2023 11 26    04 03 37.1 +32 45 17   0.4715  1.4516   168.0     8.1    22.5
...
2023 12 04    03 47 24.5 +30 09 43   0.4503  1.4268   166.0     9.6    22.4
...
2023 12 10    03 36 01.9 +27 51 43   0.4425  1.4077   159.3    14.3    22.5
2023 12 11    03 34 16.8 +27 27 36   0.4419  1.4045   158.1    15.2    22.5
2023 12 12    03 32 34.7 +27 03 15   0.4415  1.4013   156.8    16.1    22.6
...
2023 12 18    03 23 38.5 +24 35 25   0.4424  1.3818   148.9    21.6    22.7
...
2023 12 26    03 15 39.4 +21 24 57   0.4519  1.3555   138.5    28.7    22.9
...
2024 01 10    03 13 23.8 +16 31 53   0.4868  1.3056   121.5    40.0    23.3

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-X211




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