[Iaude] MPEC R127: 2023 RB4 [a=2.31,e=0.59,i=6.0,H=22.9]

Mon Sep 11 06:59:24 EDT 2023

M.P.E.C. 2023-R127                           Issued 2023 September 11, 10:57 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 RB4                                    


Observations:
     K23R04B*1C2023 09 09.44441402 05 08.952+39 53 18.28         20.58GVER127G96
     K23R04B 1C2023 09 09.44910102 05 12.577+39 53 32.82         21.20GVER127G96
     K23R04B 1C2023 09 09.45378502 05 16.278+39 53 47.72         20.80GVER127G96
     K23R04B 1C2023 09 09.45847802 05 20.018+39 54 01.76         20.92GVER127G96
     K23R04B KC2023 09 09.49135502 05 46.036+39 55 42.67         21.24GVER127V06
     K23R04B KC2023 09 09.49355002 05 47.778+39 55 49.30         20.98GVER127V06
     K23R04B KC2023 09 09.49574602 05 49.531+39 55 56.17         21.17GVER127V06
     K23R04B KC2023 09 09.49793902 05 51.277+39 56 02.76         21.12GVER127V06
     K23R04B 1C2023 09 10.11954 02 14 31.20 +40 27 10.3          20.5 VXER127033
     K23R04B 1C2023 09 10.12111 02 14 32.45 +40 27 14.7          20.6 VXER127033
     K23R04B 1C2023 09 10.12267 02 14 33.82 +40 27 19.5          20.7 VXER127033
     K23R04B KC2023 09 11.09326802 28 45.61 +41 12 23.7          21.3 GVER127L01
     K23R04B 1C2023 09 11.09444 02 28 46.78 +41 12 22.2          21.0 VXER127033
     K23R04B 1C2023 09 11.09588 02 28 48.03 +41 12 26.2          20.9 VXER127033
     K23R04B KC2023 09 11.09721702 28 49.07 +41 12 34.9          20.9 GVER127L01
     K23R04B 1C2023 09 11.09732 02 28 49.32 +41 12 29.7          20.4 VXER127033
     K23R04B KC2023 09 11.09945702 28 51.01 +41 12 40.7          20.9 GVER127L01

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.
G96 Mt. Lemmon Survey.  Observer D. C. Fuls.  Measurers E. J. Christensen, D.
    Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, J.
    K. Hogan, R. A. Kowalski, S. M. Larson, G. J. Leonard, D. Rankin, R. L.
    Seaman, A. Serrano, F. C. Shelly, K. W. Wierzchos.  1.5-m reflector + 10K
    CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
V06 Catalina Sky Survey-Kuiper.  Observer J. B. Fazekas.  Measurers E. J.
    Christensen, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
    H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J. Leonard, D.
    Rankin, R. L. Seaman, A. Serrano, F. C. Shelly, K. W. Wierzchos.  1.55-m
    reflector + 1K CCD.

Orbital elements:
2023 RB4                                                 Earth MOID = 0.0253 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 349.61187              (2000.0)            P               Q                  
n   0.28039316     Peri.  193.30212     +0.74679172     -0.66320617             
a   2.3118400      Node   208.43596     +0.61931494     +0.72066941             
e   0.5888665      Incl.    5.97839     +0.24238633     +0.20197320             
P   3.52           H   22.99          G   0.15           U   9                  
Residuals in seconds of arc
230909 G96  0.5+  0.1-    230909 V06  0.1+  0.1+    230911 033  0.4+  0.5+
230909 G96  0.3-  0.1-    230909 V06  0.1+  0.1+    230911 033  0.2+  0.7+
230909 G96  0.3-  0.3+    230910 033  0.1+  0.4+    230911 L01  0.0   0.1+
230909 G96  0.1+  0.2-    230910 033  0.5-  0.2+    230911 033  0.4+  0.4+
230909 V06  0.0   0.0     230910 033  0.3+  0.5+    230911 L01  0.4-  0.1+
230909 V06  0.0   0.1-    230911 L01  0.1+  0.8-

Ephemeris:
2023 RB4                 a,e,i = 2.31, 0.59, 6                   q = 0.9505
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 08 12    23 17 15.1 +16 33 05   0.3547  1.2984   137.8    31.6    22.7
...
2023 08 27    00 08 47.0 +26 53 25   0.2310  1.1838   134.4    37.6    21.7
...
2023 09 04    01 03 52.4 +34 33 14   0.1809  1.1276   127.3    45.3    21.3
...
2023 09 10    02 12 49.7 +40 21 25   0.1542  1.0887   118.3    54.6    21.1
2023 09 11    02 27 20.9 +41 08 21   0.1509  1.0825   116.4    56.4    21.1
2023 09 12    02 42 43.7 +41 49 11   0.1480  1.0765   114.5    58.3    21.1
...
2023 09 18    04 26 57.3 +42 46 09   0.1392  1.0424   101.7    70.7    21.3
...
2023 09 26    06 30 27.7 +35 29 58   0.1507  1.0039    86.1    85.3    21.9
...
2023 10 11    08 24 33.7 +18 43 11   0.2180  0.9583    73.1    94.3    23.0

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-R127