[Iaude] MPEC R180: 2023 RL7 [a=1.39,e=0.40,i=7.3,H=27.1]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed Sep 13 15:41:51 EDT 2023


M.P.E.C. 2023-R180                           Issued 2023 September 13, 19:39 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 RL7                                    


Observations:
     K23R07L* C2023 09 12.97606 23 51 20.45 +15 10 12.1          19.5 GVER180K88
     K23R07L  C2023 09 12.97903 23 51 21.80 +15 08 30.4          19.6 GVER180K88
     K23R07L  C2023 09 12.98199 23 51 23.20 +15 06 45.7          19.6 GVER180K88
     K23R07L KC2023 09 12.99449323 51 28.70 +14 59 40.5          19.4 RoER180K88
     K23R07L KC2023 09 12.99661823 51 29.66 +14 58 27.5          19.7 RoER180K88
     K23R07L KC2023 09 12.99874823 51 30.59 +14 57 15.2          19.4 RoER180K88
     K23R07L KC2023 09 13.01546623 51 38.04 +14 47 47.0          19.5 RoER180K88
     K23R07L KC2023 09 13.02057323 51 40.31 +14 44 54.3          19.4 RoER180K88
     K23R07L  C2023 09 13.04291023 52 18.97 +14 39 46.7                WER180X09
     K23R07L  C2023 09 13.04643323 52 20.57 +14 37 51.0                WER180X09
     K23R07L KC2023 09 13.06513023 52 00.16 +14 20 02.2          19.6 RoER180K88
     K23R07L KC2023 09 13.06810923 52 01.50 +14 18 25.0          19.3 RoER180K88
     K23R07L KC2023 09 13.07109823 52 02.88 +14 16 45.8          19.7 RoER180K88
     K23R07L 1C2023 09 13.07513 23 52 07.26 +14 14 21.0          19.8 VXER180033
     K23R07L 1C2023 09 13.07547 23 52 07.42 +14 14 09.6          19.9 VXER180033
     K23R07L 1C2023 09 13.07581 23 52 07.55 +14 13 58.4          19.8 VXER180033
     K23R07L KC2023 09 13.17094123 53 16.30 +13 24 13.2                uER180H21
     K23R07L KC2023 09 13.17287123 53 17.10 +13 23 13.3                uER180H21
     K23R07L KC2023 09 13.17480223 53 17.86 +13 22 12.9          20.4 VuER180H21
     K23R07L KC2023 09 13.17673223 53 18.61 +13 21 12.8          20.4 VuER180H21
     K23R07L KC2023 09 13.17866223 53 19.38 +13 20 12.9          20.6 VuER180H21
     K23R07L KC2023 09 13.18104123 53 20.31 +13 18 59.1          20.5 VuER180H21
     K23R07L  C2023 09 13.21062323 53 40.964+13 03 57.64         19.8 GVER180654
     K23R07L  C2023 09 13.21463323 53 42.574+13 01 55.61         19.8 GVER180654
     K23R07L  C2023 09 13.47925123 55 14.151+10 54 27.55         19.9 GVER180654
     K23R07L  C2023 09 13.48330923 55 15.559+10 52 36.15         19.9 GVER180654

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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.76-m f/3.0 astrograph + CCD.
K88 GINOP-KHK, Piszkesteto.  Observer K. Sarneczky.  0.60-m Schmidt + CCD.
X09 Deep Random Survey, Rio Hurtado.  Observers A. Schnabel, D. Ruhela.
    Measurer S. Deen.  0.43-m reflector + CMOS.

Orbital elements:
2023 RL7                                                 Earth MOID = 0.0126 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M  31.94929              (2000.0)            P               Q                  
n   0.60014756     Peri.  106.99811     +0.16465471     +0.98620717             
a   1.3919726      Node   172.41898     -0.94659855     +0.16279922             
e   0.4029807      Incl.    7.34200     -0.27720030     +0.02986345             
P   1.64           H   27.16          G   0.15           U   8                  
Residuals in seconds of arc
230912 K88  0.3-  0.2+    230913 X09  0.1-  0.0     230913 H21  0.1-  0.1+
230912 K88  0.1-  0.7+    230913 K88  0.1-  0.7-    230913 H21  0.3-  0.1-
230912 K88  1.0+  2.4-    230913 K88  0.1-  0.9+    230913 H21  0.1-  0.1-
230912 K88  0.1-  0.2+    230913 K88  0.5+  0.6+    230913 H21  0.1-  0.2-
230912 K88  0.1+  0.3-    230913 033  0.0   0.0     230913 654  0.0   0.1+
230912 K88  0.2-  0.1+    230913 033  0.1+  0.2-    230913 654  0.0   0.1-
230913 K88  0.0   0.2-    230913 033  0.2-  0.2-    230913 654  0.1+  0.0
230913 K88  0.0   0.1-    230913 H21  0.6-  0.4+    230913 654  0.1-  0.0
230913 X09  0.5+  0.0     230913 H21  0.1-  0.5+

Ephemeris:
2023 RL7                 a,e,i = 1.39, 0.40, 7                   q = 0.8310
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 08 14    12 15 48.8 +21 44 25   0.1890  0.8754    39.4   132.7    29.2
...
2023 08 29    12 31 43.9 +27 20 14   0.08298 0.9426    34.1   143.0    28.9
...
2023 09 06    12 55 07.1 +42 55 10   0.03095 0.9864    44.6   134.2    25.7
...
2023 09 12    23 38 39.6 +27 12 29   0.01765 1.0217   147.9    31.5    19.8
2023 09 13    23 51 34.9 +15 00 30   0.02270 1.0277   159.5    20.0    20.0
2023 09 14    23 58 44.9 +07 26 16   0.02844 1.0338   166.1    13.5    20.3
...
2023 09 20    00 12 39.5 -08 09 35   0.06716 1.0709   170.7     8.7    22.0
...
2023 09 28    00 16 36.4 -12 43 17   0.1227  1.1215   165.6    12.9    23.6
...
2023 10 13    00 19 27.6 -14 06 16   0.2377  1.2176   155.0    20.3    25.5

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-R180





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