[Iaude] MPEC S80: 2023 RS21 [a=2.57,e=0.53,i=3.7,H=23.4]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Tue Sep 19 07:36:39 EDT 2023


M.P.E.C. 2023-S80                            Issued 2023 September 19, 11:35 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 RS21                                    


Observations:
     K23R21S* C2023 09 15.49902000 51 08.935-15 36 38.44         21.50wXES080F51
     K23R21S  C2023 09 15.51032100 51 10.401-15 36 33.55         21.62wXES080F51
     K23R21S  C2023 09 15.53301300 51 13.344-15 36 23.62         21.71wXES080F51
     K23R21S KC2023 09 16.44198 00 53 24.30 -15 29 46.2          21.0 RVES080691
     K23R21S KC2023 09 16.44848 00 53 25.19 -15 29 43.0          20.5 RVES080691
     K23R21S KC2023 09 16.45501 00 53 26.08 -15 29 40.8          21.5 RVES080691
     K23R21S KC2023 09 18.33125500 57 57.042-15 14 16.73         22.05GVES080I52
     K23R21S KC2023 09 18.33340600 57 57.265-15 14 16.08         21.60GVES080I52
     K23R21S KC2023 09 18.33555600 57 57.517-15 14 14.10         21.82GVES080I52
     K23R21S KC2023 09 18.33770000 57 57.766-15 14 13.02         20.86GVES080I52
     K23R21S 3C2023 09 18.54783300 58 26.543-15 12 13.94         21.28GVES080T14
     K23R21S 3C2023 09 18.54881000 58 26.668-15 12 13.39         21.31GVES080T14
     K23R21S 3C2023 09 18.54981300 58 26.797-15 12 12.84         21.26GVES080T14
     K23R21S  C2023 09 19.37457401 00 26.789-15 04 35.29         21.81wXES080F52
     K23R21S  C2023 09 19.38603601 00 28.276-15 04 29.10         21.70wXES080F52
     K23R21S  C2023 09 19.39750701 00 29.759-15 04 22.89         21.59wXES080F52

Observer details:
691 Steward Observatory, Kitt Peak-Spacewatch.  Observer C. Lejoly.  0.9-m f/3
    reflector + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, P. Minguez, A.
    Schultz, I. Smith.  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.  1.8-m Ritchey-
    Chretien + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Lowe, P. Minguez, A.
    Schultz, I. Smith.  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.  1.8-m Ritchey-
    Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer K. W. Wierzchos.
    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.
T14 Canada-France-Hawaii Telescope, Maunakea.  Observers R. Wainscoat, H.
    Januszewski, H. Flewelling.  Measurers R. Weryk, R. Wainscoat.  3.6-m
    Canada-France-Hawaii Telescope + CCD.

Orbital elements:
2023 RS21                                                Earth MOID = 0.2180 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 354.90788              (2000.0)            P               Q                  
n   0.23860896     Peri.  287.26937     +0.97758229     -0.20069625             
a   2.5744130      Node    84.34371     +0.20917060     +0.89109025             
e   0.5308505      Incl.    3.66838     +0.02409415     +0.40703708             
P   4.13           H   23.42          G   0.15           U   9                  
Residuals in seconds of arc
230915 F51  0.0   0.0     230918 I52  0.8+  0.3-    230918 T14  0.0   0.0
230915 F51  0.0   0.0     230918 I52  0.0   0.8-    230919 F52  0.1-  0.3+
230915 F51  0.1-  0.0     230918 I52  0.3-  0.0     230919 F52  0.0   0.3+
230916 691  0.1-  1.0+    230918 I52  0.7-  0.0     230919 F52  0.0   0.4+
230916 691  0.3+  1.1+    230918 T14  0.0   0.0
230916 691  0.7+  0.1+    230918 T14  0.0   0.0

Ephemeris:
2023 RS21                a,e,i = 2.57, 0.53, 4                   q = 1.2078
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 08 20    23 48 20.9 -16 14 20   0.3278  1.3111   152.3    21.0    22.6
...
2023 09 04    00 23 12.0 -16 22 44   0.2663  1.2558   155.4    19.5    22.0
...
2023 09 12    00 42 39.9 -15 57 27   0.2441  1.2342   156.3    19.1    21.8
...
2023 09 18    00 57 09.1 -15 16 42   0.2322  1.2220   156.9    18.8    21.6
2023 09 19    00 59 31.9 -15 07 46   0.2306  1.2204   157.0    18.8    21.6
2023 09 20    01 01 53.8 -14 58 12   0.2291  1.2188   157.1    18.7    21.6
...
2023 09 26    01 15 41.9 -13 46 46   0.2223  1.2115   157.8    18.2    21.5
...
2023 10 04    01 32 36.5 -11 35 02   0.2190  1.2078   159.2    17.1    21.4
...
2023 10 19    01 57 45.4 -05 59 53   0.2311  1.2193   163.1    13.7    21.5

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-S80





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