[Iaude] MPEC R186: 2023 RX7 [a=2.42,e=0.63,i=2.1,H=23.3]

Thu Sep 14 07:39:38 EDT 2023

M.P.E.C. 2023-R186                           Issued 2023 September 14, 11:38 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 RX7                                    


Observations:
     K23R07X* C2023 09 11.37497000 34 44.149+15 19 10.46         22.23wXER186F52
     K23R07X  C2023 09 11.38576700 34 45.785+15 19 34.49         21.51wXER186F52
     K23R07X  C2023 09 11.40741100 34 49.040+15 20 22.00         22.09wXER186F52
     K23R07X  C2023 09 11.53004900 35 07.314+15 24 49.22         21.47GVER186F51
     K23R07X 1C2023 09 12.12074 00 36 45.98 +15 46 18.6          21.5 VXER186033
     K23R07X 1C2023 09 12.12432 00 36 46.58 +15 46 26.6          21.7 VXER186033
     K23R07X 1C2023 09 12.12791 00 36 47.12 +15 46 34.3          21.3 VXER186033
     K23R07X KC2023 09 13.26167900 40 10.31 +16 30 42.7          21.3 VuER186H21
     K23R07X KC2023 09 13.26447800 40 10.80 +16 30 49.6          21.3 VuER186H21
     K23R07X KC2023 09 13.26727700 40 11.28 +16 30 56.1          21.3 VuER186H21
     K23R07X KC2023 09 13.27026200 40 11.77 +16 31 03.3          21.3 VuER186H21
     K23R07X KC2023 09 13.27296600 40 12.24 +16 31 10.1          21.1 VuER186H21
     K23R07X  C2023 09 13.53599700 41 00.299+16 42 00.06         21.42GVER186F51
     K23R07X  C2023 09 13.53663400 41 00.417+16 42 01.85         21.62GVER186F51
     K23R07X 1C2023 09 14.09872 00 42 48.72 +17 04 58.9          21.3 VXER186033
     K23R07X 1C2023 09 14.10369 00 42 49.65 +17 05 11.4          21.2 VXER186033
     K23R07X !C2023 09 14.40104 00 43 49.38 +17 18 02.5          21.3 RVER186673
     K23R07X !C2023 09 14.40920 00 43 50.92 +17 18 23.9                VER186673

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.
673 Table Mountain Observatory, Wrightwood.  Observer J. Pittichova.  1.0-m
    f/15 reflector + 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, 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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.81-m f/4.0 astrograph + CCD.

Orbital elements:
2023 RX7                                                 Earth MOID = 0.0226 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 344.60444              (2000.0)            P               Q                  
n   0.26119817     Peri.  178.31415     +0.42579330     -0.90417187             
a   2.4237582      Node   246.48377     +0.82971878     +0.40527247             
e   0.6305239      Incl.    2.14083     +0.36092495     +0.13500910             
P   3.77           H   23.31          G   0.15           U   9                  
Residuals in seconds of arc
230911 F52  0.1-  0.3-    230912 033  0.2-  0.3-    230913 F51  0.1-  0.1-
230911 F52  0.0   0.0     230913 H21  0.2+  0.1+    230913 F51  0.0   0.1+
230911 F52  0.0   0.0     230913 H21  0.3+  0.2+    230914 033  0.3+  0.2-
230911 F51  0.0   0.1+    230913 H21  0.3+  0.1-    230914 033  0.3+  0.2-
230912 033  0.1+  0.0     230913 H21  0.0   0.1-    230914 673  0.1-  0.1+
230912 033  0.4+  0.1+    230913 H21  0.0   0.2+    230914 673  0.2+  0.6+

Ephemeris:
2023 RX7                 a,e,i = 2.42, 0.63, 2                   q = 0.8955
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 08 15    23 51 02.9 +05 28 52   0.5298  1.4636   141.1    25.8    23.9
...
2023 08 30    00 10 10.2 +09 43 14   0.3581  1.3295   148.9    23.1    22.8
...
2023 09 07    00 24 17.4 +12 58 27   0.2778  1.2592   151.6    22.4    22.1
...
2023 09 13    00 39 21.7 +16 20 31   0.2228  1.2077   152.0    23.0    21.6
2023 09 14    00 42 30.1 +17 01 12   0.2141  1.1993   151.9    23.3    21.5
2023 09 15    00 45 52.9 +17 44 24   0.2056  1.1908   151.7    23.6    21.4
...
2023 09 21    01 13 29.3 +23 11 57   0.1575  1.1415   148.5    27.4    20.8
...
2023 09 29    02 33 02.1 +34 48 13   0.1060  1.0794   134.9    41.1    20.2
...
2023 10 14    08 36 31.9 +32 24 53   0.1033  0.9801    77.2    96.9    21.8

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-R186