[Iaude] MPEC R199: 2023 RC9 [a=2.41,e=0.50,i=4.7,H=21.8]

Thu Sep 14 20:00:36 EDT 2023

M.P.E.C. 2023-R199                           Issued 2023 September 14, 23:58 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 RC9                                    


Observations:
     K23R09C  C2023 08 21.53641602 01 37.504+27 14 14.42         22.17GVER199F52
     K23R09C  C2023 08 21.54755502 01 39.546+27 14 28.00         21.77GVER199F52
     K23R09C  C2023 08 21.55871102 01 41.553+27 14 41.21         21.45GVER199F52
     K23R09C  C2023 08 21.56988002 01 43.574+27 14 54.82         21.80GVER199F52
     K23R09C* C2023 09 10.46553202 54 54.670+31 44 53.15         21.60wXER199F52
     K23R09C  C2023 09 10.47842902 54 56.187+31 44 59.53         21.65wXER199F52
     K23R09C  C2023 09 10.49121902 54 57.649+31 45 05.76         21.33wXER199F52
     K23R09C 6C2023 09 10.95794402 55 55.655+31 48 26.44         21.7 GVER199Z84
     K23R09C KC2023 09 11.11415202 56 13.28 +31 49 37.8          21.4 GVER199L01
     K23R09C pC2023 09 11.11667302 56 13.68 +31 49 39.2          21.1 GVER199L01
     K23R09C IC2023 09 11.11919202 56 13.95 +31 49 41.3          21.3 GVER199L01
     K23R09C 3C2023 09 11.59969002 57 11.874+31 53 17.35         22.53GVER199T14
     K23R09C 3C2023 09 11.60066702 57 11.983+31 53 17.79         22.66GVER199T14
     K23R09C 3C2023 09 11.60166402 57 12.096+31 53 18.15         22.47GVER199T14
     K23R09C KC2023 09 13.32981003 00 33.18 +32 04 31.8          22.6 VuER199H21
     K23R09C KC2023 09 13.33542203 00 33.77 +32 04 33.9          22.4 VuER199H21
     K23R09C KC2023 09 13.33972403 00 34.20 +32 04 35.9          22.6 VuER199H21

Observer details:
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
    Lowe, P. Minguez, A. Schultz, I. Smith.  Measurers S. Chastel, J.
    Fairlamb, M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers,
    T. de Boer, J. Bulger, H. Gao, C.-C. Lin, T. Lowe, E. Magnier, P. Minguez,
    A. Schultz, I. Smith.  1.8-m Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.81-m f/4.0 astrograph + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
T14 Canada-France-Hawaii Telescope, Maunakea.  Observers R. Wainscoat, L.
    Wells, T. Burdullis.  Measurers R. Weryk, R. Wainscoat.  3.6-m Canada-
    France-Hawaii Telescope + CCD.
Z84 Calar Alto-Schmidt.  Observers M. Micheli, R. Kresken.  Measurers R.
    Kresken, M. Micheli, F. Ocana, L. Conversi.  0.8-m f/3 Schmidt + CCD.

Orbital elements:
2023 RC9                                                 Earth MOID = 0.2165 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M   6.88889              (2000.0)            P               Q                  
n   0.26407393     Peri.   77.07788     +0.95003778     +0.30135414             
a   2.4061297      Node   265.33850     -0.30856154     +0.86741199             
e   0.4983990      Incl.    4.68030     -0.04709559     +0.39595722             
P   3.73           H   21.84          G   0.15           U   9                  
Residuals in seconds of arc
230821 F52  0.2-  0.0     230910 F52  0.0   0.1-    230911 T14  0.0   0.0
230821 F52  0.1+  0.1+    230910 Z84  0.1-  0.4+    230911 T14  0.0   0.0
230821 F52  0.0   0.1-    230911 L01  1.8-  0.6-    230913 H21  0.1-  0.4-
230821 F52  0.1+  0.1+    230911 L01  0.3-  0.3-    230913 H21  0.0   0.4-
230910 F52  0.2+  0.2+    230911 L01  0.5-  0.6+    230913 H21  0.2-  0.1-
230910 F52  0.3+  0.1+    230911 T14  0.0   0.0

Ephemeris:
2023 RC9                 a,e,i = 2.41, 0.50, 5                   q = 1.2069
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 08 15    01 40 11.1 +24 51 27   0.4074  1.2073   108.8    52.6    22.2
...
2023 08 30    02 26 51.1 +29 38 44   0.4006  1.2143   111.3    50.8    22.2
...
2023 09 07    02 47 17.2 +31 14 50   0.4002  1.2271   114.1    48.6    22.1
...
2023 09 13    02 59 55.4 +32 02 32   0.4008  1.2406   116.9    46.3    22.1
2023 09 14    03 01 46.8 +32 08 33   0.4010  1.2431   117.5    45.9    22.1
2023 09 15    03 03 33.9 +32 14 01   0.4012  1.2458   118.0    45.5    22.1
...
2023 09 21    03 12 41.2 +32 35 50   0.4028  1.2635   121.7    42.5    22.0
...
2023 09 29    03 20 32.6 +32 37 02   0.4067  1.2915   127.7    37.9    22.0
...
2023 10 14    03 22 29.8 +31 19 57   0.4226  1.3558   142.0    27.0    21.8

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-R199