[Iaude] MPEC U139: 2023 OF2 [a=1.24,e=0.23,i=16.6,H=21.21]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Oct 20 10:21:13 EDT 2023


M.P.E.C. 2023-U139                             Issued 2023 October 20, 14:19 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 OF2                                    


                           Revision to MPEC 2023-O81                            

Additional Observations:
     K23O02F  C2012 09 04.48607921 42 59.062+20 15 11.10         21.27GVEU139F51
     K23O02F  C2012 09 05.29482121 40 42.157+20 23 03.87         21.12GVEU139F51
     K23O02F  C2012 09 05.30507721 40 40.332+20 23 09.99         20.79GVEU139F51
     K23O02F  C2019 08 12.55841801 03 33.293+31 11 37.29         22.20GVEU139F51
     K23O02F  C2019 08 13.58039201 04 29.598+31 50 32.85         22.24GVEU139F51
     K23O02F  C2019 08 13.59593201 04 30.374+31 51 08.39               VEU139F51
     K23O02F  C2020 01 23.65106615 10 43.811-27 06 52.93         20.16wUEU139F51
     K23O02F  C2020 01 23.65426715 10 43.421-27 07 27.17         20.15wUEU139F51
     K23O02F  C2020 01 23.65746315 10 43.036-27 08 01.10         20.17wUEU139F51
     K23O02F  C2020 01 23.66066715 10 42.635-27 08 35.83         20.42wUEU139F51

Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, P. Minguez, A.
    Schultz, I. Smith, M. Willman.  Measurers K. Chambers, T. de Boer, J.
    Fairlamb, H. Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, P.
    VanWylen, R. Wainscoat, R. Weryk, S. Chastel, L. Denneau, H. Flewelling.
    1.8-m Ritchey-Chretien + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
120904 F51 0.07+ 0.06+    200123 F51 0.07+ 0.02+    E2023-Q03   +0.01 days

Orbital elements:
2023 OF2                                            PHA, Earth MOID = 0.0330 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 233.80291              (2000.0)            P               Q                  
n   0.71290129     Peri.  172.12338     -0.46562765     -0.85370067             
a   1.2410324      Node   305.32587     +0.79557675     -0.28837300             
e   0.2336214      Incl.   16.60892     +0.38761905     -0.43363138             
P   1.38           H   21.21          G   0.15           U   1                  
Residuals in seconds of arc
120904 F51  0.1-  0.2+    230715 F51  0.0   0.1+    230810 033  0.2-  0.0
120905 F51  0.1+  0.1-    230715 F51  0.2-  0.1-    230812 033  0.1+  0.1+
120905 F51  0.0   0.0     230715 F51  0.5+  0.1+    230812 033  0.1+  0.1-
190812 F51  0.0   0.1-    230722 F51  0.0   0.1+    230812 033  0.1+  0.1+
190813 F51  0.4-  0.1-    230722 F51  0.3-  0.1+    230813 033  0.1-  0.0
190813 F51  0.1-  0.2-    230722 F51  0.2+  0.0     230813 033  0.0   0.1+
200123 F51  0.0   0.2+    230722 F51  0.1-  0.0     230813 033  0.1+  0.0
200123 F51  0.0   0.1+    230725 F51  0.2-  0.1+    230815 033  0.3-  0.2+
200123 F51  0.0   0.2+    230725 F51  0.0   0.1+    230815 033  0.1-  0.1+
200123 F51  0.1-  0.5-    230725 F51  0.1+  0.1+    230815 033  0.4+  0.0
230712 F51  0.1-  0.3-    230725 F51  0.0   0.1-    230815 033  0.1+  0.5+
230712 F51  0.1-  0.0     230725 F51  0.0   0.0     230919 291  0.1-  0.2+
230712 F51  0.1-  0.1-    230810 033  0.0   0.1+    230919 291  0.4+  0.3+
230712 F51  0.1+  0.0     230810 033  0.3-  0.1+    230919 291  0.2+  0.3-

Ephemeris:
2023 OF2                 a,e,i = 1.24, 0.23, 17                  q = 0.9511
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 20    19 48 12.9 -01 03 52   0.6329  1.4323   120.3    37.3    22.5
...
2023 10 05    19 50 56.9 +00 03 44   0.7169  1.3942   107.4    43.2    22.9
...
2023 10 13    19 57 00.7 +00 38 24   0.7609  1.3716   101.6    45.5    23.0
...
2023 10 19    20 03 17.6 +01 05 59   0.7924  1.3537    97.7    46.8    23.1
2023 10 20    20 04 28.3 +01 10 48   0.7975  1.3506    97.1    47.0    23.1
2023 10 21    20 05 41.1 +01 15 41   0.8026  1.3476    96.5    47.2    23.2
...
2023 10 27    20 13 39.7 +01 46 41   0.8316  1.3287    93.0    48.3    23.2
...
2023 11 04    20 25 59.8 +02 33 05   0.8669  1.3024    88.7    49.6    23.3
...
2023 11 19    20 53 43.7 +04 18 51   0.9204  1.2502    81.7    51.5    23.4

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-U139




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