[Iaude] MPEC U34: 2000 RD52 [a=2.20,e=0.44,i=4.9,H=20.71]

Mon Oct 16 19:25:10 EDT 2023

M.P.E.C. 2023-U34                              Issued 2023 October 16, 23:23 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

                                   2000 RD52                                    


                           Revision to MPEC 2000-R28                            

Additional Observations:
     K00R52D  C2023 10 14.61343904 11 12.962+33 20 47.71         21.71wXEU034F51
     K00R52D  C2023 10 14.61987304 11 12.696+33 20 48.24         21.70wXEU034F51
     K00R52D  C2023 10 14.62629604 11 12.443+33 20 48.70         21.48wXEU034F51
     K00R52D  C2023 10 14.63480004 11 12.106+33 20 49.37         21.73wXEU034F51
     K00R52D KC2023 10 16.27538904 10 13.920+33 22 56.50               VEU034I52
     K00R52D KC2023 10 16.29360604 10 13.180+33 22 59.40         21.95GVEU034I52
     K00R52D KC2023 10 16.30293704 10 12.790+33 22 59.60         22.34GVEU034I52
     K00R52D 3C2023 10 16.49317404 10 04.883+33 23 15.82         21.54GVEU034T14
     K00R52D 3C2023 10 16.49415404 10 04.838+33 23 15.90         21.40GVEU034T14
     K00R52D 3C2023 10 16.49514204 10 04.789+33 23 15.96         21.40GVEU034T14

Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, 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.
I52 Steward Observatory, Mt. Lemmon Station.  Observer J. K. Hogan.  Measurers
    E. C. Beshore, 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, F. C. Shelly, K. W. Wierzchos.  1.0-m
    prime focus + CCD.
T14 Canada-France-Hawaii Telescope, Maunakea.  Observers R. Wainscoat, H.
    Januszewski, T. Burdullis.  Measurers R. Weryk, R. Wainscoat.  3.6-m
    Canada-France-Hawaii Telescope + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
231014 F51 4.10+ 0.09+    231016 T14 4.16+ 0.12+    MPO739988   +3.66 days

Orbital elements:
2000 RD52                                                Earth MOID = 0.2159 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M  15.59101              (2000.0)            P               Q                  
n   0.30145679     Peri.   24.85692     +0.89629488     +0.43839767             
a   2.2028554      Node   308.97494     -0.41988173     +0.79049140             
e   0.4445214      Incl.    4.92963     -0.14267032     +0.42770414             
P   3.27           H   20.71          G   0.15           U   1                  
Residuals in seconds of arc
000902 699  0.6+  1.9+    000907 658  0.2-  0.1-    001201 568  0.1-  0.1+
000902 699  1.1+  2.2+    000907 658  0.5+  0.7-    231014 F51  0.2+  0.0
000902 699  0.2-  1.2+    000907 658  0.7-  0.8-    231014 F51  0.0   0.1+
000902 699  0.5+  2.2+    000918 413  0.5+  0.5+    231014 F51  0.0   0.0
000905 658  0.8-  0.7-    000918 413  0.7+  0.5+    231014 F51  0.1-  0.1+
000905 658  1.4-  0.4-    000919 413  0.1+  0.5+    231016 I52  0.8-  0.6-
000905 658  0.6+  0.5-    000919 413  0.4+  0.3+    231016 I52  0.2-  0.5+
000905 587  0.3+  1.0-    000919 413  0.4+  0.3+    231016 I52  0.1+  0.1-
000906 344  0.0   0.5+    000930 540  0.2+  1.4+    231016 T14  0.0   0.0
000906 344  1.0-  0.3+    000930 540  1.6+  0.5+    231016 T14  0.0   0.0
000906 344  0.7-  0.4+    000930 540  0.3+  0.3+    231016 T14  0.0   0.0
000906 344  0.4-  0.2-    001201 568  0.1-  0.1+

Ephemeris:
2000 RD52                a,e,i = 2.20, 0.44, 5                   q = 1.2236
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 16    03 59 35.5 +30 39 14   0.6311  1.3443   108.2    45.3    22.1
...
2023 10 01    04 12 27.4 +32 30 31   0.6159  1.4104   119.5    38.2    21.9
...
2023 10 09    04 13 16.0 +33 06 35   0.6102  1.4494   126.8    33.5    21.8
...
2023 10 15    04 11 00.4 +33 21 21   0.6083  1.4799   132.9    29.6    21.8
2023 10 16    04 10 24.0 +33 22 41   0.6082  1.4851   133.9    28.9    21.8
2023 10 17    04 09 43.8 +33 23 40   0.6083  1.4903   135.0    28.2    21.7
...
2023 10 23    04 04 29.2 +33 22 07   0.6109  1.5221   141.6    23.9    21.7
...
2023 10 31    03 54 50.3 +32 59 13   0.6216  1.5656   150.9    18.0    21.6
...
2023 11 15    03 33 11.6 +31 15 37   0.6712  1.6496   166.6     8.0    21.5

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-U34