• Processing (Info)

    • MPEC 2018-S07 : 2018 RS7

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    M.P.E.C. 2018-S07                                Issued 2018 Sept. 16, 21:31 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  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

                                   2018 RS7

Observations:
     K18R07S*'C2018 09 13.14739 23 43 10.264+03 30 57.61         21.8 GVES007309
     K18R07S 'C2018 09 13.17482 23 43 13.490+03 32 21.24         21.7 GVES007309
     K18R07S 'C2018 09 13.17603 23 43 13.642+03 32 24.96         22.0 GVES007309
     K18R07S 'C2018 09 13.17723 23 43 13.759+03 32 28.52         22.0 GVES007309
     K18R07S 'C2018 09 13.17844 23 43 13.914+03 32 32.32         22.1 GVES007309
     K18R07S 'C2018 09 13.17965 23 43 14.032+03 32 36.17         21.9 GVES007309
     K18R07S 'C2018 09 13.18086 23 43 14.196+03 32 39.94         22.0 GVES007309
     K18R07S 'C2018 09 13.18206 23 43 14.329+03 32 43.59         22.0 GVES007309
     K18R07S KC2018 09 15.30922 23 48 07.44 +05 20 16.8          22.3 RoES007291
     K18R07S KC2018 09 15.31528 23 48 08.16 +05 20 35.6          22.8 RoES007291
     K18R07S KC2018 09 16.21184223 50 14.00 +06 06 21.7          22.3 VuES007H21
     K18R07S KC2018 09 16.22340123 50 15.41 +06 06 57.2          22.3 VuES007H21
     K18R07S KC2018 09 16.23942123 50 17.38 +06 07 46.5          22.2 VuES007H21
     K18R07S  C2018 09 16.35073 23 50 32.05 +06 13 33.7          22.4 GVES007V06
     K18R07S  C2018 09 16.35666 23 50 32.77 +06 13 52.0          22.4 GVES007V06
     K18R07S  C2018 09 16.36259 23 50 33.49 +06 14 10.1          22.7 GVES007V06
     K18R07S  C2018 09 16.36851 23 50 34.21 +06 14 28.3          22.2 GVES007V06

Observer details:
291 LPL/Spacewatch II.  Observer R. A. Mastaler.  1.8-m f/2.7 reflector + CCD.
309 Cerro Paranal.  Observers M. Altmann, T. Prusti.  Measurers C. Barache,
    S. Bouquillon, T. Carlucci, F. Taris.  2.6-m f/5.5 Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  1.3-m f/4.0
    astrograph + CCD.
V06 Catalina Sky Survey-Kuiper.  Observer D. C. Fuls.  Measurers
    B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs,
    A. D. Grauer, H. Groeller, J. A. Johnson, R. A. Kowalski, S. M. Larson,
    G. J. Leonard, R. L. Seaman, F. C. Shelly.  1.55-m reflector + CCD.

Orbital elements:
2018 RS7                                                 Earth MOID = 0.1583 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 308.87173              (2000.0)            P               Q
n   0.27471903     Peri.   20.37410     +0.99861526     -0.04702727
a   2.3435644      Node   342.27219     +0.03072262     +0.88516763
e   0.5049964      Incl.    4.44131     +0.04270453     +0.46288951
P   3.59           H   25.4           G   0.15           U   8
Residuals in seconds of arc
180913 309  0.2-  0.2-    180913 309  0.1+  0.2+    180916 H21  0.2+  0.1+
180913 309  0.1+  0.1-    180913 309  0.0   0.2+    180916 V06  0.0   0.3-
180913 309  0.2+  0.1-    180915 291  0.2-  0.0     180916 V06  0.0   0.1-
180913 309  0.1-  0.2-    180915 291  0.2-  0.2+    180916 V06  0.0   0.2-
180913 309  0.1+  0.1-    180916 H21  0.2+  0.1+    180916 V06  0.0   0.1-
180913 309  0.2-  0.1+    180916 H21  0.1+  0.1+

Ephemeris:
2018 RS7                 a,e,i = 2.34, 0.50, 4                   q = 1.1601
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 08 17    22 49 48.7 -14 21 22   0.2350  1.2402   164.1    12.9    23.5
...
2018 09 01    23 17 06.9 -05 59 37   0.1844  1.1915   170.4     8.1    22.7
...
2018 09 09    23 33 53.1 +00 03 55   0.1684  1.1742   171.6     7.2    22.4
...
2018 09 15    23 47 24.2 +05 04 50   0.1617  1.1656   170.6     8.1    22.3
2018 09 16    23 49 43.5 +05 55 59   0.1610  1.1645   170.4     8.3    22.3
2018 09 17    23 52 03.9 +06 47 09   0.1604  1.1636   170.0     8.6    22.3
...
2018 09 23    00 06 21.1 +11 49 02   0.1597  1.1602   167.9    10.4    22.4
...
2018 10 01    00 25 28.2 +17 51 32   0.1653  1.1618   165.1    12.8    22.6
...
2018 10 16    00 58 18.8 +25 32 17   0.1945  1.1837   162.2    14.9    23.0

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-S07

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