[Iaude] MPEC X35: 2021 RN238 [a=43.22,e=0.06,i=1.2,H=8.7]

[mpec at marsden.cfa.harvard.edu]

M.P.E.C. 2023-X35                              Issued 2023 December 4, 17:24 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

                                   2021 RN238                                   


Observations:
     K21RN8N (C2019 09 29.01369623 28 31.473-04 11 19.80         24.75rVEX035W84
     K21RN8N (C2019 09 29.17751023 28 30.745-04 11 24.22         24.75rVEX035W84
     K21RN8N (C2020 10 18.01212523 32 23.881-03 44 39.41         24.80rVEX035W84
     K21RN8N (C2020 10 18.17613423 32 23.250-03 44 42.98         24.80rVEX035W84
     K21RN8N*(C2021 09 06.10876323 40 39.373-02 50 08.41         24.66rVEX035W84
     K21RN8N (C2021 09 06.19668623 40 38.972-02 50 10.71         24.66rVEX035W84
     K21RN8N (C2021 10 04.00258223 38 34.502-03 03 26.01         24.74rVEX035W84
     K21RN8N (C2021 10 04.17532823 38 33.747-03 03 30.62         24.74rVEX035W84

Observer details:
W84 Cerro Tololo-DECam.  Observers P. H. Bernardinelli, H. Smotherman, K.
    Napier, R. Strauss, W. Oldroyd, S. Portillo, D. Bektesevic, C. Chandler,
    L. Markwardt, M. Porter, A. Simpson, K. Weber, G. Gowman, M. Juric, D.
    Trilling, M. Holman, D. Gerdes, H. W. Lin, A. Connolly, C. Trujillo, F.
    Adams, C. Fuentes, A. McNeill, M. Payne, D. Ragozzine, A. Rivkin, H.
    Schlichting, S. Sheppard, M. Mommert.  4.02-m Prime focus + CCD.

Orbital elements:
2021 RN238                                                                      
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Alexandersen            
M 332.52650              (2000.0)            P               Q                  
n   0.00346856     Peri.  359.41940     +0.88523582     -0.46503906             
a  43.2218502      Node    28.29992     +0.42684326     +0.80378634             
e   0.0576701      Incl.    1.18555     +0.18483068     +0.37103394             
P 284              H    8.79          G   0.15           U   6                  
Residuals in seconds of arc
190929 W84  0.0   0.0     201018 W84  0.1-  0.1+    211004 W84  0.0   0.0
190929 W84  0.0   0.0     210906 W84  0.0   0.1-    211004 W84  0.0   0.1+
201018 W84  0.1+  0.1-    210906 W84  0.0   0.1+

Ephemeris:
2021 RN238               a,e,i = 43.22, 0.06, 1                  q = 40.7292
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 11 04    23 47 06.9 -02 04 29  40.3291 41.0394   135.2     1.0    25.0
...
2023 11 19    23 46 30.7 -02 08 07  40.5351 41.0383   120.0     1.2    25.1
...
2023 11 27    23 46 18.8 -02 09 14  40.6599 41.0377   111.9     1.3    25.1
...
2023 12 03    23 46 13.6 -02 09 41  40.7583 41.0372   105.8     1.3    25.1
2023 12 04    23 46 13.0 -02 09 43  40.7750 41.0371   104.8     1.3    25.1
2023 12 05    23 46 12.6 -02 09 45  40.7918 41.0370   103.7     1.3    25.1
...
2023 12 11    23 46 11.7 -02 09 43  40.8940 41.0366    97.6     1.4    25.1
...
2023 12 19    23 46 15.8 -02 09 06  41.0324 41.0360    89.5     1.4    25.1
...
2024 01 03    23 46 39.4 -02 06 14  41.2890 41.0348    74.4     1.3    25.1

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-X35