[Iaude] MPEC Y112: 2023 DB2 [a=1.04,e=0.23,i=12.5,H=21.88]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun Dec 31 09:10:06 EST 2023


M.P.E.C. 2023-Y112                            Issued 2023 December 31, 14:08 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 DB2                                    


                           Revision to MPEC 2023-E20                            

Additional Observations:
     K23D02B KC2023 12 16.45130 09 47 41.40 -05 37 08.7          23.5 RVEY112291
     K23D02B KC2023 12 16.47204 09 47 41.93 -05 37 06.1          23.3 RVEY112291
     K23D02B KC2023 12 16.49278 09 47 42.44 -05 37 02.8          23.3 RVEY112291
     K23D02B  C2023 12 23.60275309 49 53.935-05 04 12.38         22.80GVEY112F51
     K23D02B  C2023 12 23.61621309 49 53.925-05 04 06.35         22.53GVEY112F51
     K23D02B  C2023 12 23.62973409 49 53.907-05 04 00.10         22.64GVEY112F51

Observer details:
291 LPL/Spacewatch II.  Observer J. V. Scotti.  1.8-m f/2.7 reflector + CCD.
F51 Pan-STARRS 1, 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.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
231216 291  3.0+  3.6+    231223 F51  4.9+  3.8+    MPO782812   -0.00 days

Orbital elements:
2023 DB2                                                 Earth MOID = 0.1991 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M  54.10164              (2000.0)            P               Q                  
n   0.92941565     Peri.  171.76169     +0.62093708     +0.76952568             
a   1.0399107      Node   136.45182     -0.73095908     +0.63719189             
e   0.2309279      Incl.   12.50881     -0.28308297     +0.04262293             
P   1.06           H   21.88          G   0.15           U   3                  
Residuals in seconds of arc
230212 G96  0.1+  0.2-    230301 N88  0.1-  0.4-    230311 A17  0.2+  0.0
230212 G96  0.4+  0.2-    230302 I93  0.9-  0.7+    230311 A17  0.4+  0.1+
230226 N87  0.3-  0.2+    230302 I93  0.2+  0.2+    230311 A17  0.1-  0.4-
230226 N87  0.4-  0.1+    230302 H21  0.0   0.2+    230329 G96  0.1+  0.0
230226 N87  0.1-  0.2-    230302 H21  0.1-  0.2+    230329 G96  0.1+  0.1+
230226 N87  0.3+  0.2-    230302 H21  0.0   0.4+    230329 G96  0.1-  0.1+
230226 N87  0.0   0.4-    230302 H21  0.1-  0.3+    230329 G96  0.2-  0.4-
230226 N87  0.3-  0.2-    230302 N88  0.5-  0.2+    231216 291  0.8-  0.4+
230301 H21 (0.6-  0.1-)   230302 N88  0.8-  0.1+    231216 291  0.2-  0.1-
230301 H21 (0.4-  0.5-)   230302 N88  0.6+  0.5-    231216 291  0.2+  0.1+
230301 H21  0.2-  0.5-    230302 O49  0.3+  0.2-    231223 F51  0.1-  0.5-
230301 N88  0.0   0.2+    230302 O49  0.3+  0.2-    231223 F51  0.1+  0.0
230301 N88  0.0   0.1-    230302 O49 (1.8+  0.4-)   231223 F51  0.0   0.6+

Ephemeris:
2023 DB2                 a,e,i = 1.04, 0.23, 13                  q = 0.7998
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 12 01    09 34 43.8 -05 22 48   0.5610  1.2144    99.8    53.2    23.0
...
2023 12 16    09 47 27.4 -05 38 02   0.4847  1.2444   111.2    47.5    22.6
...
2023 12 24    09 49 56.4 -05 01 15   0.4420  1.2568   118.6    43.4    22.3
...
2023 12 30    09 49 18.7 -04 04 13   0.4104  1.2643   125.0    39.6    22.0
2023 12 31    09 48 58.3 -03 51 46   0.4053  1.2655   126.2    38.9    22.0
2024 01 01    09 48 33.5 -03 38 24   0.4002  1.2665   127.3    38.1    21.9
...
2024 01 07    09 44 28.6 -01 57 06   0.3706  1.2721   134.8    33.2    21.6
...
2024 01 15    09 34 22.3 +01 22 20   0.3361  1.2773   146.4    25.2    21.2
...
2024 01 30    09 01 26.6 +10 59 34   0.2969  1.2797   172.2     6.0    20.2

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-Y112




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