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    • MPEC 2023-M144 : 2023 MW4

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    M.P.E.C. 2023-M144                                Issued 2023 June 26, 10:40 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@CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                2023 MW4                                 


Observations:
     K23M04W* C2023 06 24.37490916 43 35.209+16 53 57.55         21.31GVEM144V00
     K23M04W  C2023 06 24.38098016 43 33.830+16 54 11.23         21.89GVEM144V00
     K23M04W  C2023 06 24.38701316 43 32.441+16 54 24.88         21.62GVEM144V00
     K23M04W  C2023 06 24.39307716 43 31.055+16 54 38.05         21.31GVEM144V00
     K23M04W  C2023 06 25.17190416 40 46.723+17 24 25.60         21.2 GVEM144H01
     K23M04W  C2023 06 25.17552516 40 45.846+17 24 34.15         21.7 GVEM144H01
     K23M04W  C2023 06 25.18790516 40 42.850+17 25 03.00         21.9 GVEM144H01
     K23M04W  C2023 06 25.19271716 40 41.678+17 25 14.24         21.2 GVEM144H01
     K23M04W KC2023 06 25.21474 16 40 36.58 +17 26 08.0                oEM144291
     K23M04W KC2023 06 25.23179 16 40 32.37 +17 26 48.4          22.1 RoEM144291
     K23M04W KC2023 06 25.24883 16 40 28.22 +17 27 27.7          21.3 RoEM144291
     K23M04W KC2023 06 26.14255716 37 08.85 +18 01 41.2          21.5 VuEM144H21
     K23M04W KC2023 06 26.14816916 37 07.47 +18 01 54.0          21.5 VuEM144H21
     K23M04W KC2023 06 26.15144316 37 06.65 +18 02 01.6          21.4 VuEM144H21
     K23M04W  C2023 06 26.19993816 36 55.709+18 04 00.00         21.3 GVEM144H01
     K23M04W  C2023 06 26.20403916 36 54.676+18 04 09.66         21.8 GVEM144H01
     K23M04W  C2023 06 26.21350016 36 52.297+18 04 31.70         21.9 GVEM144H01
     K23M04W  C2023 06 26.22018016 36 50.614+18 04 47.05         21.6 GVEM144H01

Observer details:
291 LPL/Spacewatch II.  Observer T. H. Bressi.  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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.81-m f/4.0 astrograph + CCD.
V00 Kitt Peak-Bok.  Observer R. A. Mastaler.  Measurers M. J. Brucker, E. J.
    Christensen, C. E. Woodward, D. Fay, J. B. Fazekas, D. C. Fuls, A. R.
    Gibbs, A. D. Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M.
    Larson, G. J. Leonard, 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 MW4                                                 Earth MOID = 0.0576 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
M 200.72580              (2000.0)            P               Q                  
n   0.78294678     Peri.  211.22857     +0.99364164     -0.10667760             
a   1.1658640      Node   154.82007     +0.11258461     +0.93861035             
e   0.2643517      Incl.    4.85414     +0.00099439     +0.32807088             
P   1.26           H   24.31          G   0.15           U   9                  
Residuals in seconds of arc
230624 V00  0.2-  0.1-    230625 H01  0.3+  0.8-    230626 H21  0.4+  0.0
230624 V00  0.1+  0.1+    230625 H01  0.3+  0.8-    230626 H21  0.4+  0.0
230624 V00  0.1+  0.4+    230625 291  0.4-  0.3-    230626 H01  0.2-  0.2+
230624 V00  0.1+  0.2+    230625 291  1.0-  0.6+    230626 H01  0.1-  0.3+
230625 H01  0.2+  0.8-    230625 291  0.7-  0.5+    230626 H01  0.0   0.3+
230625 H01  0.2+  0.7-    230626 H21  0.1+  0.3+    230626 H01  0.1+  0.1+

Ephemeris:
2023 MW4                 a,e,i = 1.17, 0.26, 5                   q = 0.8577
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 05 27    17 41 19.7 +01 13 47   0.2503  1.2341   148.9    25.1    22.9
...
2023 06 11    17 20 42.5 +08 50 57   0.1818  1.1735   148.1    27.2    22.2
...
2023 06 19    17 00 58.1 +13 33 20   0.1531  1.1396   141.3    33.9    21.9
...
2023 06 25    16 41 23.1 +17 18 09   0.1348  1.1136   133.6    41.4    21.8
2023 06 26    16 37 40.6 +17 56 34   0.1320  1.1093   132.1    42.8    21.8
2023 06 27    16 33 50.0 +18 35 14   0.1292  1.1049   130.6    44.3    21.8
...
2023 07 03    16 07 31.1 +22 32 53   0.1140  1.0788   120.3    54.4    21.7
...
2023 07 11    15 20 54.8 +28 02 30   0.09691 1.0439   103.8    71.1    21.8
...
2023 07 26    12 53 11.6 +36 09 55   0.07784 0.9811    61.6   114.4    23.2

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-M144

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