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    • MPEC 2023-S03 : 2023 RW12

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    M.P.E.C. 2023-S03                            Issued 2023 September 16, 11:12 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@CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                2023 RW12                                


Observations:
     K23R12W  C2023 09 09.45467200 47 22.215+06 52 26.47         21.75GVES003F52
     K23R12W  C2023 09 09.46434300 47 22.234+06 52 54.05         23.12GVES003F52
     K23R12W  C2023 09 09.47403700 47 22.208+06 53 21.65         22.27GVES003F52
     K23R12W  C2023 09 09.48394700 47 22.235+06 53 49.82         21.87GVES003F52
     K23R12W* C2023 09 11.38894200 47 49.029+08 27 50.90         21.86wXES003F52
     K23R12W  C2023 09 11.39974700 47 49.006+08 28 24.71         21.81wXES003F52
     K23R12W  C2023 09 11.41058800 47 48.972+08 28 58.47         22.47wXES003F52
     K23R12W  C2023 09 11.52618300 47 48.503+08 34 58.07         21.94GVES003F51
     K23R12W  C2023 09 11.52682300 47 48.495+08 35 00.26         22.13GVES003F51
     K23R12W 1C2023 09 15.04627 00 48 11.19 +11 53 27.6          20.6 VXES003033
     K23R12W 1C2023 09 15.04992 00 48 11.13 +11 53 41.2          20.9 VXES003033
     K23R12W 1C2023 09 15.05356 00 48 11.11 +11 53 54.4          20.8 VXES003033
     K23R12W 1C2023 09 15.05735 00 48 11.06 +11 54 08.1          20.8 VXES003033
     K23R12W 1C2023 09 15.91773 00 48 13.21 +12 48 02.1          20.9 VXES003033
     K23R12W 1C2023 09 15.92022 00 48 13.18 +12 48 11.7          21.1 VXES003033
     K23R12W 1C2023 09 15.92270 00 48 13.15 +12 48 21.2          20.8 VXES003033

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.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, P.
    Minguez, A. Schultz, I. Smith.  Measurers S. Chastel, J. Fairlamb, M.
    Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien +
    CCD.
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.

Orbital elements:
2023 RW12                                                Earth MOID = 0.1103 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 322.34142              (2000.0)            P               Q                  
n   0.52491262     Peri.   78.60582     +0.37193945     -0.92774524             
a   1.5219885      Node   349.40147     +0.77288003     +0.32789990             
e   0.3618298      Incl.    9.64614     +0.51411818     +0.17824261             
P   1.88           H   23.65          G   0.15           U   9                  
Residuals in seconds of arc
230909 F52  0.2+  0.2-    230911 F52  0.2-  0.1+    230915 033  0.0   0.3-
230909 F52  0.2+  0.0     230911 F51  0.0   0.1-    230915 033  0.0   0.1+
230909 F52  0.3-  0.1+    230911 F51  0.0   0.1+    230915 033  0.1-  0.1+
230909 F52  0.1-  0.1+    230915 033  0.3+  0.1-    230915 033  0.2-  0.0
230911 F52  0.1+  0.1-    230915 033  0.0   0.1+
230911 F52  0.0   0.1+    230915 033  0.2+  0.1-

Ephemeris:
2023 RW12                a,e,i = 1.52, 0.36, 10                  q = 0.9713
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 08 17    00 32 42.8 -04 52 23   0.4144  1.3472   137.4    30.6    23.7
...
2023 09 01    00 43 53.4 +01 20 18   0.2934  1.2661   147.3    25.5    22.7
...
2023 09 09    00 47 14.2 +06 31 20   0.2383  1.2235   152.3    22.5    22.1
...
2023 09 15    00 48 11.4 +11 51 02   0.2020  1.1922   155.2    20.8    21.6
2023 09 16    00 48 12.0 +12 53 44   0.1964  1.1871   155.5    20.6    21.5
2023 09 17    00 48 10.0 +13 59 31   0.1909  1.1819   155.7    20.5    21.4
...
2023 09 23    00 46 55.3 +21 48 08   0.1613  1.1518   154.9    21.7    21.0
...
2023 10 01    00 41 45.3 +36 08 56   0.1315  1.1135   146.5    29.7    20.8
...
2023 10 16    23 55 29.5 +72 22 17   0.1136  1.0500   114.9    59.5    21.2

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-S03

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