[Iaude] MPEC R213: 2023 RR9 [a=1.68,e=0.42,i=3.2,H=26.0]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Sep 15 07:26:52 EDT 2023


M.P.E.C. 2023-R213                           Issued 2023 September 15, 11:25 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 RR9                                    


Observations:
     K23R09R* C2023 09 13.40422200 43 28.274+17 41 43.49         20.67wXER213F52
     K23R09R  C2023 09 13.41587300 43 31.795+17 40 21.09         20.53wXER213F52
     K23R09R  C2023 09 13.42760900 43 35.299+17 38 58.57         20.79wXER213F52
     K23R09R  C2023 09 13.53599700 44 06.754+17 26 07.47         20.51GVER213F51
     K23R09R  C2023 09 13.53663400 44 06.931+17 26 02.96         20.41GVER213F51
     K23R09R KB2023 09 13.87977300 46 19.72 +16 45 14.1          20.4 GVER213I93
     K23R09R KB2023 09 13.88785300 46 22.22 +16 44 21.7          20.6 GVER213I93
     K23R09R KB2023 09 13.89575900 46 24.66 +16 43 30.4          20.6 GVER213I93
     K23R09R 1C2023 09 14.10591 00 47 22.40 +16 20 30.0          20.5 VXER213033
     K23R09R 1C2023 09 14.10701 00 47 22.73 +16 20 22.7          20.5 VXER213033
     K23R09R 1C2023 09 14.10811 00 47 23.03 +16 20 15.5          20.7 VXER213033
     K23R09R  C2023 09 14.25626900 48 21.896+16 05 11.99         20.9 GVER213654
     K23R09R  C2023 09 14.26428800 48 24.045+16 04 23.11         20.9 GVER213654
     K23R09R KC2023 09 14.99151600 51 53.292+14 51 40.14         21.0 GVER213J95
     K23R09R KC2023 09 15.00619600 51 56.693+14 50 19.00         20.5 GVER213J95
     K23R09R 1C2023 09 15.08356 00 52 12.46 +14 43 07.5          20.4 VXER213033
     K23R09R 1C2023 09 15.08500 00 52 12.77 +14 42 59.4          20.4 VXER213033
     K23R09R 1C2023 09 15.08644 00 52 13.10 +14 42 51.5          20.5 VXER213033
     K23R09R 1C2023 09 15.14765 00 52 27.13 +14 37 07.4          20.7 VXER213033
     K23R09R 1C2023 09 15.14886 00 52 27.44 +14 37 00.8          20.5 VXER213033
     K23R09R 1C2023 09 15.15007 00 52 27.70 +14 36 54.2          20.9 VXER213033
     K23R09R KC2023 09 15.28095400 53 08.29 +14 25 39.0          21.4 VuER213H21
     K23R09R KC2023 09 15.28703400 53 09.53 +14 25 06.2          21.3 VuER213H21

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.
654 Table Mountain Observatory, Wrightwood-PHMC.  Observers N. Evans, P. Choi,
    N. Saini, C. Zhai, R. Trahan, M. Shao.  1.0-m 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.
I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/3.7 reflector + CMO.
J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2023 RR9                                                 Earth MOID = 0.0199 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M  14.53268              (2000.0)            P               Q                  
n   0.45076492     Peri.  133.09446     +0.68682427     +0.72682346             
a   1.6846227      Node   180.28524     -0.68208354     +0.64441368             
e   0.4174101      Incl.    3.21616     -0.25106665     +0.23761032             
P   2.19           H   26.03          G   0.15           U   8                  
Residuals in seconds of arc
230913 F52  0.1+  0.2+    230914 033  0.3-  0.4+    230915 033  0.1-  0.2-
230913 F52  0.0   0.1-    230914 033  0.1+  0.2+    230915 033  0.0   0.0
230913 F52  0.0   0.1+    230914 033  0.1-  0.2+    230915 033  0.1-  0.4-
230913 F51  0.0   0.1-    230914 654  0.0   0.1-    230915 033  0.3+  0.2-
230913 F51  0.1-  0.1-    230914 654  0.1+  0.0     230915 033  0.0   0.0
230913 I93  0.3-  0.6+    230914 J95  0.2-  0.2-    230915 H21  0.1-  0.1+
230913 I93  0.4-  0.3+    230915 J95  0.3+  0.2+    230915 H21  0.0   0.1-
230913 I93  0.3-  0.0     230915 033  0.2+  0.2-

Ephemeris:
2023 RR9                 a,e,i = 1.68, 0.42, 3                   q = 0.9814
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 08 16    14 15 50.0 +13 19 12   0.08510 0.9824    66.8   108.6    24.7
...
2023 08 31    16 04 54.5 +38 45 03   0.02705 1.0046    78.6    99.9    21.8
...
2023 09 08    23 31 51.6 +35 44 51   0.02594 1.0271   137.7    41.3    19.8
...
2023 09 14    00 46 51.5 +16 33 51   0.04743 1.0481   151.4    27.3    20.7
2023 09 15    00 51 52.4 +14 52 40   0.05151 1.0519   152.6    26.1    20.9
2023 09 16    00 56 01.6 +13 25 28   0.05567 1.0558   153.6    25.0    21.0
...
2023 09 22    01 10 25.9 +07 44 04   0.08191 1.0810   159.2    19.2    21.7
...
2023 09 30    01 17 14.1 +04 00 22   0.1198  1.1185   166.4    12.2    22.4
...
2023 10 15    01 19 02.5 +01 09 20   0.2019  1.1981   172.9     5.9    23.4

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-R213





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