[Iaude] MPEC S18: 2023 RD15 [a=0.97,e=0.18,i=2.2,H=26.9]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat Sep 16 18:28:59 EDT 2023 

M.P.E.C. 2023-S18                            Issued 2023 September 16, 22:27 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 RD15                                    


Observations:
     K23R15D* C2023 09 15.43969000 54 48.480-15 48 37.95         20.19wXES018F51
     K23R15D  C2023 09 15.45088200 54 49.164-15 50 38.05         20.08wXES018F51
     K23R15D  C2023 09 15.46209500 54 49.836-15 52 39.42         20.18wXES018F51
     K23R15D  C2023 09 15.47501500 54 50.587-15 54 58.34         20.38wXES018F51
     K23R15D  C2023 09 15.54252200 54 54.594-16 07 00.90         20.05GVES018F51
     K23R15D  C2023 09 15.54316200 54 54.636-16 07 07.75         19.96GVES018F51
     K23R15D KC2023 09 15.59801800 55 09.64 -16 11 45.1          20.2 GVES018474
     K23R15D KC2023 09 15.59983400 55 09.83 -16 12 05.2          20.1 GVES018474
     K23R15D KC2023 09 15.60165100 55 09.95 -16 12 25.1          20.2 GVES018474
     K23R15D KC2023 09 15.60346800 55 10.18 -16 12 44.5          20.1 GVES018474
     K23R15D KC2023 09 15.60528500 55 10.30 -16 13 03.6          20.2 GVES018474
     K23R15D 0B2023 09 15.94395300 56 25.065-17 18 09.95         20.1 VZES018M49
     K23R15D 0B2023 09 15.95306600 56 25.799-17 19 57.40         20.0 VZES018M49
     K23R15D 0B2023 09 15.96218000 56 26.483-17 21 45.06         20.2 VZES018M49
     K23R15D 1C2023 09 16.02066 00 56 32.31 -17 38 35.3          20.3 VXES018033
     K23R15D 1C2023 09 16.02123 00 56 32.39 -17 38 42.1          20.3 VXES018033
     K23R15D 1C2023 09 16.02181 00 56 32.46 -17 38 48.5          20.2 VXES018033
     K23R15D mC2023 09 16.47753800 57 54.390-19 10 24.10               VES018I52
     K23R15D mC2023 09 16.47781200 57 54.400-19 10 27.10         21.15GVES018I52
     K23R15D mC2023 09 16.47808600 57 54.450-19 10 30.30         20.54GVES018I52
     K23R15D mC2023 09 16.47836900 57 54.490-19 10 33.00         20.38GVES018I52

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.
474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore, P. M.
    Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, P. Minguez, A.
    Schultz, I. Smith, K. Chambers.  Measurers K. Chambers, T. de Boer, J.
    Bulger, J. Fairlamb, H. Gao, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, P.
    Minguez, Y. Ramanjooloo, A. Schultz, I. Smith, R. Wainscoat, R. Weryk, S.
    Chastel.  1.8-m Ritchey-Chretien + 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.
M49 IAS Remote Observatory, Hakos.  Observers D. Husar, M. Junius.  Measurer
    D. Husar.  0.25-m f/4.6 reflector + CMO.

Orbital elements:
2023 RD15                                                Earth MOID = 0.0152 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 258.63427              (2000.0)            P               Q                  
n   1.02487290     Peri.  312.97594     -0.35975168     -0.93293457             
a   0.9742925      Node   158.09625     +0.86700830     -0.34001224             
e   0.1848397      Incl.    2.23588     +0.34478303     -0.11842621             
P   0.96           H   26.91          G   0.15           U   6                  
Residuals in seconds of arc
230915 F51  0.1+  0.1-    230915 474  0.1+  0.3-    230916 033  0.2-  0.2-
230915 F51  0.0   0.5+    230915 474  0.4-  0.5-    230916 033  0.1+  0.3-
230915 F51  0.0   0.1-    230915 474  0.5+  0.2-    230916 033  0.1+  0.1+
230915 F51  0.0   0.1-    230915 474  0.1-  0.5+    230916 I52  0.1+  0.9-
230915 F51  0.0   0.1+    230915 M49  0.0   0.4+    230916 I52  0.2-  0.6-
230915 F51  0.0   0.0     230915 M49  0.2+  0.3+    230916 I52  0.0   0.4-
230915 474  0.3-  0.1+    230915 M49  0.1-  0.0     230916 I52  0.1+  0.4+

Ephemeris:
2023 RD15                a,e,i = 0.97, 0.18, 2                   q = 0.7942
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 08 17    00 18 02.7 +05 53 54   0.1215  1.1045   136.9    38.8    24.1
...
2023 09 01    00 32 51.1 +02 21 44   0.07109 1.0713   149.5    28.6    22.6
...
2023 09 09    00 42 00.4 -03 40 59   0.04686 1.0506   156.4    22.6    21.5
...
2023 09 15    00 53 26.6 -14 30 36   0.03040 1.0338   156.4    22.9    20.5
2023 09 16    00 56 27.9 -17 29 31   0.02790 1.0310   154.8    24.5    20.3
2023 09 17    01 00 07.5 -21 01 53   0.02551 1.0281   152.5    26.9    20.2
...
2023 09 23    02 15 08.3 -60 56 38   0.01565 1.0101   113.9    65.3    20.2
...
2023 10 01    11 37 20.9 -50 30 59   0.02503 0.9851    48.8   130.1    24.6
...
2023 10 16    12 16 33.5 -25 45 16   0.06656 0.9363    23.1   155.3    30.5

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-S18

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