[Iaude] MPEC X207: 2023 XW7 [a=2.55,e=0.50,i=31.9,H=20.1]

[mpec at marsden.cfa.harvard.edu]

M.P.E.C. 2023-X207                            Issued 2023 December 11, 14:46 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 XW7                                    


Observations:
     K23X07W* C2023 12 07.48006608 45 47.166+20 59 29.94         22.13wXEX207F52
     K23X07W  C2023 12 07.49165708 45 47.192+20 59 59.49         21.63wXEX207F52
     K23X07W KC2023 12 08.36817508 45 51.91 +21 36 48.4          20.7 GVEX207H21
     K23X07W KC2023 12 08.37097208 45 51.92 +21 36 55.3          21.1 GVEX207H21
     K23X07W KC2023 12 08.37395708 45 51.92 +21 37 03.0          20.9 GVEX207H21
     K23X07W  C2023 12 10.38585108 45 53.266+23 02 53.52         21.9 GVEX207H01
     K23X07W  C2023 12 10.38944208 45 53.237+23 03 02.75         21.5 GVEX207H01
     K23X07W  C2023 12 10.40482708 45 53.119+23 03 42.69         21.3 GVEX207H01
     K23X07W  C2023 12 10.40805108 45 53.101+23 03 50.91         21.6 GVEX207H01
     K23X07W KC2023 12 11.33880508 45 48.63 +23 44 02.9          20.7 GVEX207H21
     K23X07W KC2023 12 11.34564308 45 48.56 +23 44 20.8          21.7 GVEX207H21

Observer details:
F52 Pan-STARRS 2, Haleakala.  Observers J. Herman, 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.
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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.76-m f/3.0 astrograph + CCD,
    1.3-m f/4.0 astrograph + CCD.

Orbital elements:
2023 XW7                                                 Earth MOID = 0.4278 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                MPC                     
M 358.88221              (2000.0)            P               Q                  
n   0.24254442     Peri.  302.07916     +0.67388618     -0.51870672             
a   2.5464893      Node    94.68132     +0.71745001     +0.62950668             
e   0.5042538      Incl.   31.86358     -0.17647348     +0.57850210             
P   4.06           H   20.14          G   0.15           U   9                  
Residuals in seconds of arc
231207 F52  0.0   0.1-    231208 H21  0.1+  0.0     231210 H01  0.0   0.1-
231207 F52  0.2-  0.1+    231210 H01  0.0   0.0     231211 H21  0.0   0.0
231208 H21  0.1-  0.1+    231210 H01  0.1-  0.0     231211 H21  0.0   0.0
231208 H21  0.1+  0.1-    231210 H01  0.1-  0.0

Ephemeris:
2023 XW7                 a,e,i = 2.55, 0.50, 32                  q = 1.2624
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 11 11    08 25 08.0 +05 46 16   0.8110  1.3898   100.5    44.5    22.1
...
2023 11 26    08 40 46.5 +13 33 16   0.7470  1.4604   114.0    38.1    21.9
...
2023 12 04    08 45 00.2 +18 36 40   0.7211  1.5021   122.5    33.6    21.7
...
2023 12 10    08 45 53.9 +22 46 19   0.7079  1.5349   129.4    29.7    21.6
2023 12 11    08 45 50.4 +23 29 24   0.7063  1.5405   130.5    29.1    21.6
2023 12 12    08 45 43.3 +24 12 49   0.7050  1.5461   131.7    28.4    21.6
...
2023 12 18    08 43 41.1 +28 38 06   0.7014  1.5802   138.7    24.3    21.5
...
2023 12 26    08 37 24.8 +34 30 57   0.7104  1.6271   147.3    19.1    21.4
...
2024 01 10    08 15 59.3 +44 03 15   0.7744  1.7179   155.4    13.8    21.6

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-X207