[Iaude] MPEC R129: 2023 RD4 [a=2.16,e=0.42,i=0.5,H=24.1]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Sep 11 07:01:36 EDT 2023


M.P.E.C. 2023-R129                           Issued 2023 September 11, 10:59 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 RD4                                    


Observations:
     K23R04D  C2023 09 04.40707622 51 40.443-09 31 12.66         21.31GVER129F51
     K23R04D  C2023 09 04.41878322 51 40.849-09 31 10.48         22.58GVER129F51
     K23R04D  C2023 09 04.43051022 51 41.203-09 31 07.68         22.42GVER129F51
     K23R04D  C2023 09 04.44224522 51 41.562-09 31 05.23         22.22GVER129F51
     K23R04D  C2023 09 07.29428 22 53 49.31 -09 20 46.2          22.2 GVER129G96
     K23R04D  C2023 09 07.30460 22 53 49.59 -09 20 44.0          21.7 GVER129G96
     K23R04D* C2023 09 09.34120122 55 24.644-09 12 31.63         21.85wXER129F51
     K23R04D  C2023 09 09.34920622 55 24.932-09 12 29.71         21.96wXER129F51
     K23R04D  C2023 09 09.35725322 55 25.203-09 12 27.84         22.17wXER129F51
     K23R04D  C2023 09 09.36516022 55 25.488-09 12 26.07         21.87wXER129F51
     K23R04D  C2023 09 09.42527022 55 27.498-09 12 11.57         21.58GVER129F51
     K23R04D  C2023 09 09.42590922 55 27.538-09 12 11.42         21.74GVER129F51
     K23R04D 1C2023 09 10.92982 22 56 39.21 -09 05 58.7          22.1 VXER129033
     K23R04D 1C2023 09 10.93340 22 56 39.36 -09 05 57.8          22.2 VXER129033
     K23R04D 1C2023 09 10.93699 22 56 39.52 -09 05 56.6          21.9 VXER129033

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
    Hoegner, F. Ludwig, M. Hartmann, B. Stecklum.  Measurer B. Stecklum.
    1.34-m f/3 Schmidt + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, P.
    Minguez, A. Schultz, I. Smith.  Measurers S. Chastel, J. Fairlamb, M.
    Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, T. de Boer, J.
    Bulger, H. Gao, C.-C. Lin, T. Lowe, E. Magnier, P. Minguez, A. Schultz, I.
    Smith.  1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observer A. R. Gibbs.  Measurers B. Gray, D. Rankin,
    F. C. Shelly.  1.5-m reflector + 10K CCD.

Orbital elements:
2023 RD4                                                 Earth MOID = 0.2517 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 355.04248              (2000.0)            P               Q                  
n   0.31068855     Peri.  278.15033     +0.99967110     -0.02442857             
a   2.1589995      Node    83.24971     +0.02551537     +0.91676439             
e   0.4186625      Incl.    0.45040     +0.00258087     +0.39868069             
P   3.17           H   24.17          G   0.15           U   9                  
Residuals in seconds of arc
230904 F51  0.4-  0.0     230907 G96  0.5-  0.2-    230909 F51  0.4-  0.1-
230904 F51  0.2+  0.2-    230909 F51  0.1-  0.0     230909 F51  0.1-  0.1-
230904 F51  0.1+  0.2+    230909 F51  0.0   0.1+    230910 033  0.0   0.4+
230904 F51  0.0   0.2+    230909 F51  0.2-  0.1+    230910 033  0.1+  0.4+
230907 G96  0.6+  0.0     230909 F51  0.0   0.0     230910 033  0.4+  0.6+

Ephemeris:
2023 RD4                 a,e,i = 2.16, 0.42, 0                   q = 1.2551
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 08 12    22 34 32.2 -10 38 27   0.3386  1.3402   162.4    13.2    23.2
...
2023 08 27    22 45 39.5 -09 57 00   0.2873  1.2966   173.8     4.8    22.4
...
2023 09 04    22 51 22.2 -09 32 21   0.2706  1.2792   177.9     1.7    22.1
...
2023 09 10    22 55 54.6 -09 09 31   0.2628  1.2691   174.6     4.3    22.2
2023 09 11    22 56 42.3 -09 05 12   0.2619  1.2677   173.9     4.9    22.2
2023 09 12    22 57 30.9 -09 00 43   0.2611  1.2663   173.1     5.5    22.2
...
2023 09 18    23 02 44.4 -08 29 47   0.2586  1.2598   168.8     8.9    22.3
...
2023 09 26    23 10 56.2 -07 35 52   0.2614  1.2555   163.3    13.3    22.5
...
2023 10 11    23 30 28.6 -05 14 39   0.2848  1.2608   154.0    20.3    23.0

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-R129





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