[Iaude] MPEC S33: 2023 RD16 [a=1.65,e=0.50,i=4.2,H=25.8]

Sun Sep 17 13:27:39 EDT 2023

M.P.E.C. 2023-S33                            Issued 2023 September 17, 17:26 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 RD16                                    


Observations:
     K23R16D*1C2023 09 15.31857501 01 44.756+22 18 06.55         21.37GVES033G96
     K23R16D 1C2023 09 15.32381401 01 43.050+22 17 11.00         21.16GVES033G96
     K23R16D 1C2023 09 15.32902401 01 41.344+22 16 14.66         21.55GVES033G96
     K23R16D KC2023 09 15.39844901 01 18.300+22 03 51.80         20.86GVES033I52
     K23R16D KC2023 09 15.40099301 01 17.411+22 03 24.19         20.88GVES033I52
     K23R16D KC2023 09 15.40353601 01 16.630+22 02 57.55         21.72GVES033I52
     K23R16D KC2023 09 15.40607101 01 15.816+22 02 29.65         21.43GVES033I52
     K23R16D 0C2023 09 15.63265501 00 09.080+21 23 15.39         21.81GVES033T12
     K23R16D 0C2023 09 15.63326301 00 08.900+21 23 08.90         21.74GVES033T12
     K23R16D 0C2023 09 15.63387901 00 08.714+21 23 02.63         21.57GVES033T12
     K23R16D 0C2023 09 15.63454301 00 08.516+21 22 55.61         21.85GVES033T12
     K23R16D 1C2023 09 15.92762 00 59 02.10 +20 33 11.2          21.9 VXES033033
     K23R16D 1C2023 09 15.92926 00 59 01.63 +20 32 55.9          21.5 VXES033033
     K23R16D 1C2023 09 15.93252 00 59 00.70 +20 32 24.4          21.5 VXES033033
     K23R16D 1C2023 09 17.04241 00 54 43.62 +17 47 08.1          21.0 VXES033033
     K23R16D 1C2023 09 17.04421 00 54 43.19 +17 46 53.0          21.5 VXES033033
     K23R16D 1C2023 09 17.04600 00 54 42.74 +17 46 38.0          21.1 VXES033033
     K23R16D 1C2023 09 17.04779 00 54 42.34 +17 46 23.4          21.1 VXES033033
     K23R16D 1C2023 09 17.04958 00 54 41.93 +17 46 09.0          20.9 VXES033033

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.
G96 Mt. Lemmon Survey.  Observer J. K. Hogan.  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.
I52 Steward Observatory, Mt. Lemmon Station.  Observer D. C. Fuls.  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.  1.0-m prime focus + CCD.
T12 University of Hawaii 88-inch telescope, Maunakea.  Observer D. Hung.
    Measurer D. J. Tholen.  2.24-m f/10.1 reflector + 2112 x 2112 pixels
    STA1600 10k CCD.

Orbital elements:
2023 RD16                                                Earth MOID = 0.0259 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M  23.25812              (2000.0)            P               Q                  
n   0.46379162     Peri.   97.18259     +0.23431935     +0.97212545             
a   1.6529287      Node   186.38644     -0.91838164     +0.21859709             
e   0.4978997      Incl.    4.20593     -0.31885673     +0.08477869             
P   2.13           H   25.87          G   0.15           U   9                  
Residuals in seconds of arc
230915 G96  0.4-  0.6-    230915 T12  0.1+  0.0     230917 033  0.1-  0.7+
230915 G96  0.1+  0.0     230915 T12  0.1+  0.2-    230917 033  0.2-  0.4+
230915 G96  0.5+  0.5-    230915 T12  0.1+  0.0     230917 033  0.6-  0.0
230915 I52  0.1-  0.4+    230915 T12  0.1+  0.1-    230917 033  0.2-  0.1+
230915 I52  0.9-  0.0     230915 033  0.0   0.5-    230917 033  0.0   0.4+
230915 I52  0.1-  0.6+    230915 033  0.1-  0.1+
230915 I52  0.1+  0.2-    230915 033  0.3-  0.1+

Ephemeris:
2023 RD16                a,e,i = 1.65, 0.50, 4                   q = 0.8299
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 08 18    11 56 51.6 +20 17 28   0.1495  0.8888    31.7   143.2    28.8
...
2023 09 02    10 59 45.9 +49 59 46   0.05059 0.9721    41.9   136.1    25.7
...
2023 09 10    01 58 21.9 +48 36 31   0.04172 1.0255   115.0    62.9    21.3
...
2023 09 16    00 58 41.0 +20 22 43   0.07253 1.0682   148.5    29.4    21.6
2023 09 17    00 54 53.3 +17 54 03   0.07878 1.0755   151.8    26.2    21.7
2023 09 18    00 51 41.5 +15 46 34   0.08521 1.0828   154.7    23.3    21.8
...
2023 09 24    00 39 32.5 +07 36 44   0.1265  1.1274   167.9    10.7    22.3
...
2023 10 02    00 31 36.2 +02 28 49   0.1870  1.1881   179.1     0.7    22.7
...
2023 10 17    00 26 18.4 -01 12 44   0.3179  1.3031   162.1    13.6    24.7

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-S33