[Iaude] MPEC F116: 2018 FO4 [a=1.23,e=0.23,i=4.5,H=27.5]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Fri Mar 23 10:47:18 EDT 2018


M.P.E.C. 2018-F116                               Issued 2018 Mar. 23, 14:44 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714


                                   2018 FO4
 
Observations:
     K18F04O* C2018 03 21.27338 11 32 53.67 -10 13 19.8          20.8 GUEF116G96
     K18F04O  C2018 03 21.27855 11 32 52.49 -10 14 27.6          20.7 GUEF116G96
     K18F04O  C2018 03 21.28373 11 32 51.36 -10 15 33.9          20.4 GUEF116G96
     K18F04O  C2018 03 21.28891 11 32 50.15 -10 16 40.5          22.0 GUEF116G96
     K18F04O  C2018 03 21.31579211 32 43.20 -10 22 34.6          20.5 GUEF116H01
     K18F04O  C2018 03 21.32284511 32 41.62 -10 24 06.0          20.9 GUEF116H01
     K18F04O  C2018 03 21.32923411 32 40.18 -10 25 28.7          20.3 GUEF116H01
     K18F04O  C2018 03 21.33835511 32 38.16 -10 27 27.1          20.3 GUEF116H01
     K18F04O  C2018 03 21.40183 11 32 25.11 -10 41 08.7          20.6 GUEF116I52
     K18F04O  C2018 03 21.40348 11 32 24.75 -10 41 30.2          21.0 GUEF116I52
     K18F04O  C2018 03 21.40679 11 32 24.06 -10 42 13.1          20.2 GUEF116I52
     K18F04O |C2018 03 22.14893 11 30 48.47 -13 32 25.5          20.9 VuEF116807
     K18F04O |C2018 03 22.15476 11 30 46.98 -13 33 53.6          20.7 VuEF116807
     K18F04O |C2018 03 22.16038 11 30 45.49 -13 35 19.6          20.8 VuEF116807
     K18F04O  C2018 03 22.21373 11 30 42.66 -13 53 24.2          20.5 GUEF116I52
     K18F04O KC2018 03 22.21509911 30 35.98 -13 54 13.3          20.9 VuEF116H21
     K18F04O  C2018 03 22.21781 11 30 41.63 -13 54 27.4          20.8 GUEF116I52
     K18F04O KC2018 03 22.22013711 30 34.68 -13 55 30.4          21.1 VuEF116H21
     K18F04O  C2018 03 22.22105 11 30 40.79 -13 55 17.0          20.9 GUEF116I52
     K18F04O  C2018 03 22.22430 11 30 40.00 -13 56 07.6          20.6 GUEF116I52
     K18F04O KC2018 03 22.22624211 30 33.13 -13 57 03.8          21.0 VuEF116H21
     K18F04O |C2018 03 23.10306 11 28 07.35 -17 53 51.4          20.4 VuEF116807
     K18F04O |C2018 03 23.10669 11 28 06.24 -17 54 57.1          20.3 VuEF116807
     K18F04O |C2018 03 23.11014 11 28 05.20 -17 55 59.8          20.5 VuEF116807
     K18F04O |C2018 03 23.11388 11 28 04.07 -17 57 07.8          20.7 VuEF116807
     K18F04O  C2018 03 23.36430 11 26 58.29 -19 18 45.9          20.4 GUEF116V06
     K18F04O  C2018 03 23.36596 11 26 57.75 -19 19 16.8          21.5 GUEF116V06
     K18F04O  C2018 03 23.36733 11 26 57.38 -19 19 41.7          20.7 GUEF116V06
     K18F04O  C2018 03 23.36899 11 26 56.85 -19 20 12.6          20.6 GUEF116V06
 
Observer details:
807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
    + CCD.
G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  Measurers B. M. Africano,
    E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson,
    R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L. Seaman, F. C. Shelly.
    1.5-m reflector + 10K CCD.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.76-m f/3.0
    astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observers B. M. Africano,
    E. J. Christensen.  Measurers B. M. Africano, E. J. Christensen,
    D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
    S. M. Larson, G. J. Leonard, R. L. Seaman, F. C. Shelly.  1.0-m reflector
    + CCD.
V06 Catalina Sky Survey-Kuiper.  Observer E. J. Christensen.  Measurers
    B. M. Africano, E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
    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 FO4                                                 Earth MOID = 0.0195 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 325.34444              (2000.0)            P               Q
n   0.72107710     Peri.  241.00862     -0.55463781     +0.83206665
a   1.2316338      Node   355.29018     -0.73333942     -0.49247848
e   0.2341959      Incl.    4.52641     -0.39317959     -0.25520588
P   1.37           H   27.5           G   0.15           U   6
Residuals in seconds of arc
180321 G96  0.3-  0.4+    180321 I52  0.2+  0.0     180322 H21  0.0   0.0
180321 G96  0.4-  0.4-    180322 807  0.2-  0.6+    180323 807  0.4+  0.3-
180321 G96  0.2+  0.3+    180322 807  0.2+  0.7+    180323 807  0.0   0.1-
180321 G96  0.4-  0.8+    180322 807  0.0   0.3-    180323 807  0.1-  0.3-
180321 H01  0.0   0.2-    180322 I52  0.2+  0.0     180323 807  0.2-  0.4-
180321 H01  0.0   0.2-    180322 H21  0.3+  0.1+    180323 V06  0.1-  0.1+
180321 H01  0.2-  0.1-    180322 I52  0.2+  0.3-    180323 V06  0.5-  0.1-
180321 H01  0.1-  0.2-    180322 H21  0.0   0.0     180323 V06  0.2+  0.4+
180321 I52  0.4+  0.3-    180322 I52  0.2-  0.1+    180323 V06  0.0   0.3+
180321 I52  0.2+  0.3-    180322 I52  0.3+  0.3-

Ephemeris:
2018 FO4                 a,e,i = 1.23, 0.23, 5                   q = 0.9432
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 02 21    11 44 51.1 +15 15 00   0.1477  1.1272   157.9    19.2    24.6
...
2018 03 08    11 45 24.7 +10 24 09   0.08174 1.0732   170.3     9.0    22.8
...
2018 03 16    11 40 40.6 +02 28 21   0.05146 1.0461   179.4     0.6    21.3
...
2018 03 22    11 31 08.6 -12 56 42   0.03182 1.0271   165.1    14.5    20.9
2018 03 23    11 28 19.2 -17 24 21   0.02902 1.0240   160.8    18.7    20.8
2018 03 24    11 24 46.9 -22 45 25   0.02646 1.0210   155.7    23.7    20.8
...
2018 03 30    09 36 30.3 -74 30 11   0.02020 1.0038   104.6    74.3    21.6
...
2018 04 07    00 24 16.7 -54 55 05   0.03832 0.9835    62.1   116.0    24.9
...
2018 04 22    00 06 16.3 -35 03 30   0.08896 0.9555    54.0   121.7    27.1

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-F116



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