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    • MPEC 2023-R53 : 2023 RD1

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    M.P.E.C. 2023-R53                             Issued 2023 September 8, 03:42 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 RD1                                 


Observations:
     K23R01D  C2023 09 04.37575021 42 55.488+02 34 57.92         21.98GVER053F52
     K23R01D  C2023 09 04.38031321 42 55.558+02 34 51.47         22.31GVER053F52
     K23R01D  C2023 09 04.38757621 42 55.703+02 34 41.47         22.00GVER053F52
     K23R01D  C2023 09 04.39214521 42 55.789+02 34 35.06         22.66GVER053F52
     K23R01D  C2023 09 04.40403321 42 56.009+02 34 18.37         22.54GVER053F52
     K23R01D*1C2023 09 06.17441621 43 53.738+01 51 35.93         21.59GVER053G96
     K23R01D 1C2023 09 06.18006721 43 53.857+01 51 27.40         21.46GVER053G96
     K23R01D 1C2023 09 06.18570421 43 54.001+01 51 19.15         21.87GVER053G96
     K23R01D 1C2023 09 06.19135021 43 54.192+01 51 10.33         21.63GVER053G96
     K23R01D 1C2023 09 06.39625021 43 59.320+01 46 08.90               VER053G96
     K23R01D 1C2023 09 06.40279021 43 59.500+01 45 59.70         21.54GVER053G96
     K23R01D 1C2023 09 06.40694421 43 59.660+01 45 54.00         21.52GVER053G96
     K23R01D KC2023 09 07.10378721 44 26.34 +01 28 38.9          21.8 VuER053H21
     K23R01D KC2023 09 07.10940121 44 26.51 +01 28 30.4          21.8 VuER053H21
     K23R01D KC2023 09 07.11220821 44 26.57 +01 28 26.3          22.1 VuER053H21
     K23R01D KC2023 09 07.11510721 44 26.69 +01 28 22.2          21.7 VuER053H21

Observer details:
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
    Lowe, P. Minguez, A. Schultz, I. Smith.  Measurers S. Chastel, J.
    Fairlamb, M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m
    Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observer A. R. Gibbs.  Measurers E. J. Christensen, 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, D. Rankin, R. L.
    Seaman, A. Serrano, F. C. Shelly, K. W. Wierzchos.  1.5-m reflector + 10K
    CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.81-m f/4.0 astrograph + CCD.

Orbital elements:
2023 RD1                                                 Earth MOID = 0.2868 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 352.02194              (2000.0)            P               Q                  
n   0.35443322     Peri.  179.47278     +0.99937386     -0.03468101             
a   1.9774846      Node   182.54657     +0.03185768     +0.96817548             
e   0.3476394      Incl.    9.07457     +0.01539378     +0.24785774             
P   2.78           H   23.14          G   0.15           U   9                  
Residuals in seconds of arc
230904 F52  0.2+  0.3-    230906 G96  0.5-  0.1+    230907 H21  0.2-  0.0
230904 F52  0.1-  0.3-    230906 G96  0.5-  0.1+    230907 H21  0.0   0.2-
230904 F52  0.0   0.0     230906 G96  0.2+  0.4-    230907 H21  0.3-  0.1-
230904 F52  0.1-  0.1+    230906 G96  1.4-  0.4-    230907 H21  0.3+  0.1+
230904 F52  0.2-  0.3+    230906 G96  1.5-  0.1+
230906 G96  0.1-  0.4+    230906 G96  0.9-  0.5+

Ephemeris:
2023 RD1                 a,e,i = 1.98, 0.35, 9                   q = 1.2900
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 08 09    21 37 12.7 +09 06 21   0.4002  1.3851   154.1    18.6    22.8
...
2023 08 24    21 39 09.1 +06 26 37   0.3471  1.3437   160.7    14.4    22.3
...
2023 09 01    21 41 25.3 +03 52 05   0.3300  1.3259   161.1    14.3    22.2
...
2023 09 07    21 44 21.9 +01 31 31   0.3223  1.3147   159.5    15.6    22.1
2023 09 08    21 44 59.0 +01 06 34   0.3215  1.3130   159.1    15.9    22.1
2023 09 09    21 45 38.5 +00 41 16   0.3208  1.3114   158.6    16.3    22.1
...
2023 09 15    21 50 30.3 -01 55 11   0.3193  1.3029   155.3    18.8    22.2
...
2023 09 23    21 59 38.3 -05 23 34   0.3243  1.2949   150.1    22.8    22.3
...
2023 10 08    22 24 41.8 -10 48 15   0.3539  1.2902   139.8    30.0    22.7

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-R53

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