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  • MPEC 2023-R74 : 2023 RB2

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    M.P.E.C. 2023-R74                             Issued 2023 September 9, 13:35 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@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                    2023 RB2                                 
    
    
    Observations:
         K23R02B  C2023 09 05.29343021 12 07.125+19 58 25.21         19.91GVER074F52
         K23R02B  C2023 09 05.30509021 12 06.671+19 57 18.16         19.86GVER074F52
         K23R02B  C2023 09 05.31672121 12 06.222+19 56 10.54         19.94GVER074F52
         K23R02B*5C2023 09 07.87410 21 11 20.16 +15 25 01.9          19.9 GXER074033
         K23R02B 5C2023 09 07.87695 21 11 20.09 +15 24 42.3          19.9 GXER074033
         K23R02B 5C2023 09 07.87980 21 11 20.01 +15 24 22.7          19.9 GXER074033
         K23R02B 5C2023 09 07.93038 21 11 18.63 +15 18 32.1          19.9 GXER074033
         K23R02B 5C2023 09 07.93322 21 11 18.55 +15 18 12.4          19.9 GXER074033
         K23R02B 5C2023 09 07.93606 21 11 18.48 +15 17 52.4          19.8 GXER074033
         K23R02B KC2023 09 07.96970821 11 17.37 +15 14 01.8          20.0 GVER074L01
         K23R02B KC2023 09 07.97139321 11 17.37 +15 13 49.8          19.9 GVER074L01
         K23R02B KC2023 09 07.97307821 11 17.33 +15 13 38.4          20.1 GVER074L01
         K23R02B KC2023 09 07.97476421 11 17.25 +15 13 26.7          19.7 GVER074L01
         K23R02B KC2023 09 07.97624021 11 17.21 +15 13 15.9          19.6 GVER074L01
         K23R02B KC2023 09 08.01850 21 11 16.32 +15 08 20.2                VER074204
         K23R02B KC2023 09 08.03147 21 11 16.00 +15 06 49.1                VER074204
         K23R02B KB2023 09 08.03366621 11 16.18 +15 06 35.6          20.0 GVER074I93
         K23R02B KB2023 09 08.03851321 11 16.04 +15 06 01.3                VER074I93
         K23R02B KC2023 09 08.04137 21 11 15.80 +15 05 39.6          19.9 GVER074204
         K23R02B KB2023 09 08.04300921 11 15.97 +15 05 29.6          19.8 GVER074I93
         K23R02B KC2023 09 08.17402121 11 16.54 +14 50 20.1          20.0 GXER074858
         K23R02B KC2023 09 08.17939821 11 16.40 +14 49 42.0          19.6 GXER074858
         K23R02B KC2023 09 08.18471321 11 16.24 +14 49 04.5          20.1 GXER074858
         K23R02B  C2023 09 08.30900121 11 14.987+14 34 36.02         19.62GVER074F51
         K23R02B  C2023 09 08.31777021 11 14.706+14 33 33.87         19.69GVER074F51
         K23R02B  C2023 09 08.32635621 11 14.426+14 32 32.87         19.69GVER074F51
         K23R02B KC2023 09 08.75615 21 11 09.69 +13 40 29.9          19.7 GXER074L51
         K23R02B KC2023 09 08.75922 21 11 09.61 +13 40 07.3          19.8 GXER074L51
         K23R02B KC2023 09 08.76209 21 11 09.54 +13 39 46.8          19.4 GXER074L51
         K23R02B 1C2023 09 08.80216821 11 09.270+13 34 49.80               VER074246
         K23R02B 1C2023 09 08.80239421 11 09.240+13 34 48.80               VER074246
         K23R02B 1C2023 09 08.80262021 11 09.190+13 34 47.70               VER074246
         K23R02B 1C2023 09 08.80284721 11 09.190+13 34 45.80               VER074246
         K23R02B 1C2023 09 08.80329821 11 09.160+13 34 41.90               VER074246
         K23R02B 1C2023 09 08.84588 21 11 08.22 +13 29 27.9          19.9 VXER074033
         K23R02B 1C2023 09 08.84628 21 11 08.21 +13 29 25.0          19.9 VXER074033
         K23R02B 1C2023 09 08.84668 21 11 08.20 +13 29 22.0          20.1 VXER074033
         K23R02B KB2023 09 08.89597 21 11 07.078+13 23 18.53         19.0 GXER074L38
         K23R02B KB2023 09 08.89977 21 11 06.967+13 22 50.09         19.1 GXER074L38
         K23R02B KB2023 09 08.90355 21 11 06.871+13 22 21.68         19.0 GXER074L38
         K23R02B KC2023 09 08.91432 21 11 06.52 +13 21 08.4          18.9 GVER074104
         K23R02B KC2023 09 08.92045 21 11 06.40 +13 20 22.5          19.8 GVER074104
         K23R02B KC2023 09 08.92659 21 11 06.23 +13 19 37.6          19.4 GVER074104
         K23R02B 2C2023 09 08.98528321 11 05.15 +13 12 27.2          19.7 GVER074Z84
         K23R02B 2C2023 09 08.99754021 11 04.84 +13 10 55.9          19.5 GVER074Z84
         K23R02B 2C2023 09 09.00979621 11 04.51 +13 09 24.7          19.7 GVER074Z84
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers C. Demeautis, B.
        Stecklum, S. Melnikov, F. Ludwig, C. Hoegner, M. Hartmann.  Measurers C.
        Demeautis, B. Stecklum.  1.34-m f/3 Schmidt + CCD.
    104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
        P. Bacci, L. Tesi, G. Fagioli.  0.60-m F4 Reflector + CCD.
    204 Schiaparelli Observatory.  Observers L. Buzzi, G. Galli.  0.84-m f/3.5
        reflector + CCD.
    246 Klet Observatory-KLENOT.  Observers M. Tichy, J. Ticha, M. Janda, M.
        Honkova.  Measurer M. Tichy.  1.06-m f/2.7 Reflector + 2048x2048 CCD.
    858 Tebbutt Observatory, Edgewood.  Observer F. B. Zoltowski.  0.51-m f/8.1
        Schmidt-Cassegrain + 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.  1.8-m
        Ritchey-Chretien + CCD.
    I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/3.7 reflector + CMO.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    L38 Gartensternwarte Schafsweide, Sehlde.  Observer A. Opitz.  0.35-m f/5.2
        Newton + CMO.
    L51 MARGO, Nauchnyi.  Observer G. Borisov.  0.50-m f/1.9 reflector + CCD.
    Z84 Calar Alto-Schmidt.  Observer E. Schwab.  Measurers E. Schwab, M. Micheli.
        0.8-m f/3 Schmidt + CCD.
    
    Orbital elements:
    2023 RB2                                                 Earth MOID = 0.1005 AU
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
    M 328.12399              (2000.0)            P               Q                  
    n   0.55992590     Peri.  231.65423     +0.71789493     -0.69320976             
    a   1.4578595      Node   171.51612     +0.69260906     +0.72047631             
    e   0.3022236      Incl.   25.67934     -0.07013949     +0.01934204             
    P   1.76           H   22.10          G   0.15           U   9                  
    Residuals in seconds of arc
    230905 F52  0.0   0.0     230908 I93  0.1-  0.0     230908 246  0.2-  0.7+
    230905 F52  0.0   0.2+    230908 I93  0.4-  0.2-    230908 246  0.5-  0.1+
    230905 F52  0.0   0.2-    230908 204  0.2+  0.1+    230908 033  0.0   0.0
    230907 033  0.1-  0.0     230908 I93  0.2+  0.3-    230908 033  0.0   0.0
    230907 033  0.1+  0.1+    230908 858  0.5-  0.3+    230908 033  0.0   0.1-
    230907 033  0.0   0.2+    230908 858  0.2-  0.0     230908 L38  0.1+  0.4+
    230907 033  0.1+  0.2+    230908 858  0.1-  0.1-    230908 L38  0.2-  0.0
    230907 033  0.0   0.3+    230908 F51  0.0   0.0     230908 L38  0.2-  0.4-
    230907 033  0.1+  0.0     230908 F51  0.0   0.0     230908 104  0.1-  0.1+
    230907 L01  0.4-  0.1+    230908 F51  0.0   0.0     230908 104  0.5+  0.4-
    230907 L01  0.3+  0.1-    230908 L51  0.2-  0.5-    230908 104  0.3+  0.2+
    230907 L01  0.3+  0.2+    230908 L51  0.2-  0.8-    230908 Z84  0.1-  0.1-
    230907 L01  0.2-  0.3+    230908 L51  0.2-  0.3-    230908 Z84  0.1+  0.1-
    230907 L01  0.2-  0.2-    230908 246  0.7+  0.2-    230909 Z84  0.1-  0.2+
    230908 204  0.1-  0.0     230908 246  0.4+  0.4+
    230908 204  0.2-  0.0     230908 246  0.3-  1.0+
    
    Ephemeris:
    2023 RB2                 a,e,i = 1.46, 0.30, 26                  q = 1.0173
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 08 10    21 26 14.7 +38 04 57   0.3922  1.2845   126.1    39.6    22.2
    ...
    2023 08 25    21 17 48.7 +32 23 49   0.2728  1.2182   134.6    36.2    21.2
    ...
    2023 09 02    21 13 27.0 +24 42 44   0.2162  1.1842   140.6    32.7    20.5
    ...
    2023 09 08    21 11 18.2 +15 11 02   0.1801  1.1598   145.0    29.9    20.0
    2023 09 09    21 11 06.0 +13 11 05   0.1748  1.1558   145.5    29.6    19.9
    2023 09 10    21 10 57.2 +11 03 18   0.1699  1.1519   145.9    29.3    19.8
    ...
    2023 09 16    21 11 31.4 -04 29 21   0.1471  1.1290   144.8    30.9    19.5
    ...
    2023 09 24    21 17 49.8 -29 55 11   0.1410  1.1008   130.8    43.6    19.7
    ...
    2023 10 09    22 00 54.0 -65 11 45   0.1949  1.0569   102.0    67.6    21.0
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-R74
    


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