[Iaude] MPEC F127: 2018 FY4 [a=1.77,e=0.43,i=7.5,H=23.6]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sat Mar 24 12:49:17 EDT 2018


M.P.E.C. 2018-F127                               Issued 2018 Mar. 24, 16:45 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 FY4
 
Observations:
     K18F04Y* C2018 03 22.44361 15 41 25.64 +22 55 45.8          22.2 GUEF127G96
     K18F04Y  C2018 03 22.45505 15 41 23.77 +22 54 55.5          21.2 GUEF127G96
     K18F04Y  C2018 03 22.46076 15 41 22.83 +22 54 29.8          21.7 GUEF127G96
     K18F04Y  C2018 03 22.46688 15 41 21.83 +22 54 02.8          21.7 GUEF127G96
     K18F04Y  C2018 03 22.46887 15 41 21.53 +22 53 53.0                UEF127G96
     K18F04Y  C2018 03 22.46944 15 41 21.37 +22 53 50.1          21.6 GUEF127G96
     K18F04Y  C2018 03 22.49706 15 41 16.84 +22 51 47.0          20.6 GUEF127V06
     K18F04Y  C2018 03 22.50133 15 41 16.17 +22 51 27.8          20.6 GUEF127V06
     K18F04Y  C2018 03 22.50559 15 41 15.48 +22 51 08.4          20.9 GUEF127V06
     K18F04Y  C2018 03 22.50986 15 41 14.80 +22 50 49.0          20.9 GUEF127V06
     K18F04Y  C2018 03 23.36720 15 39 18.17 +21 47 22.1          21.1 GUEF127I52
     K18F04Y  C2018 03 23.37054 15 39 17.64 +21 47 08.0          20.5 GUEF127I52
     K18F04Y  C2018 03 23.37387 15 39 17.10 +21 46 53.2          20.9 GUEF127I52
     K18F04Y  C2018 03 23.37721 15 39 16.58 +21 46 38.6          21.0 GUEF127I52
     K18F04Y  C2018 03 24.33468315 37 03.23 +20 36 38.6          20.2 GUEF127H01
     K18F04Y  C2018 03 24.34090415 37 02.25 +20 36 11.8          20.6 GUEF127H01
     K18F04Y  C2018 03 24.35638315 36 59.79 +20 35 05.5          20.6 GUEF127H01
     K18F04Y  C2018 03 24.35963015 36 59.29 +20 34 51.6          21.4 GUEF127H01
     K18F04Y  C2018 03 24.46545 15 36 42.34 +20 27 15.0          22.1 GUEF127I52
     K18F04Y  C2018 03 24.46793 15 36 41.97 +20 27 04.6          21.0 GUEF127I52
     K18F04Y  C2018 03 24.47041 15 36 41.57 +20 26 54.0          21.1 GUEF127I52
     K18F04Y  C2018 03 24.47289 15 36 41.14 +20 26 43.5          20.6 GUEF127I52
 
Observer details:
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.
I52 Steward Observatory, Mt. Lemmon Station.  Observers B. M. Africano,
    E. J. Christensen, R. A. Kowalski.  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 FY4                                                 Earth MOID = 0.1150 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M  15.09862              (2000.0)            P               Q
n   0.41823321     Peri.   99.41468     -0.81749017     -0.56816820
a   1.7708851      Node    46.03338     +0.46351404     -0.74622507
e   0.4336703      Incl.    7.52941     +0.34185458     -0.34689055
P   2.36           H   23.6           G   0.15           U   6
Residuals in seconds of arc
180322 G96  0.1+  0.1-    180322 V06  0.1-  0.2-    180324 H01  0.0   0.0
180322 G96  0.2+  0.5+    180322 V06  0.2+  0.4-    180324 H01  0.3+  0.0
180322 G96  0.1+  0.3+    180323 I52  0.2-  0.0     180324 I52  0.3-  0.5-
180322 G96  0.2+  0.7+    180323 I52  0.2-  0.4+    180324 I52  0.2+  0.1-
180322 G96  0.5+  0.3-    180323 I52  0.2-  0.1+    180324 I52  0.2+  0.1+
180322 G96  0.4-  0.6-    180323 I52  0.0   0.0     180324 I52  0.1-  0.4+
180322 V06  0.5-  0.0     180324 H01  0.0   0.0
180322 V06  0.1-  0.0     180324 H01  0.1+  0.1-

Ephemeris:
2018 FY4                 a,e,i = 1.77, 0.43, 8                   q = 1.0029
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 02 22    17 03 16.1 +61 37 12   0.1268  1.0061    94.1    78.7    21.9
...
2018 03 09    16 13 16.1 +40 46 33   0.1279  1.0332   105.0    68.2    21.6
...
2018 03 17    15 54 05.8 +29 54 16   0.1338  1.0580   114.8    58.6    21.5
...
2018 03 23    15 40 07.6 +22 14 44   0.1410  1.0805   123.3    50.4    21.4
2018 03 24    15 37 47.8 +21 01 21   0.1425  1.0846   124.9    49.0    21.4
2018 03 25    15 35 28.0 +19 48 58   0.1440  1.0888   126.4    47.5    21.4
...
2018 03 31    15 21 29.7 +12 58 27   0.1553  1.1153   135.7    38.7    21.3
...
2018 04 08    15 03 06.4 +05 03 11   0.1757  1.1544   148.4    27.1    21.3
...
2018 04 23    14 32 30.4 -05 49 25   0.2341  1.2365   169.9     8.2    21.5

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-F127



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