[Iaude] MPEC L70: 2018 LF4 [a=2.45,e=0.57,i=9.1,H=24.2]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Wed Jun 13 10:39:17 EDT 2018


M.P.E.C. 2018-L70                                Issued 2018 June 13, 14:34 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 LF4
 
Observations:
     K18L04F* C2018 06 11.26793 14 52 16.71 +12 00 32.3          21.3 GUEL070G96
     K18L04F  C2018 06 11.27316 14 52 20.03 +12 00 35.6          20.8 GUEL070G96
     K18L04F  C2018 06 11.27838 14 52 23.22 +12 00 39.6          21.8 GUEL070G96
     K18L04F  C2018 06 11.28361 14 52 26.51 +12 00 42.9          21.1 GUEL070G96
     K18L04F  C2018 06 11.34482 14 53 04.95 +12 01 18.8          21.6 GUEL070V06
     K18L04F  C2018 06 11.34793 14 53 06.86 +12 01 20.6                UEL070V06
     K18L04F  C2018 06 11.35106 14 53 08.86 +12 01 22.5          22.0 GUEL070V06
     K18L04F  C2018 06 11.35420 14 53 10.80 +12 01 24.3          20.9 GUEL070V06
     K18L04F  C2018 06 12.20103 15 02 12.98 +12 09 26.4          21.1 GUEL070I52
     K18L04F  C2018 06 12.20517 15 02 15.47 +12 09 28.6          21.1 GUEL070I52
     K18L04F  C2018 06 12.20930 15 02 17.93 +12 09 30.5          21.3 GUEL070I52
     K18L04F  C2018 06 13.31507 15 13 30.37 +12 16 49.0          20.9 GUEL070I52
     K18L04F  C2018 06 13.31921 15 13 32.70 +12 16 49.3          21.2 GUEL070I52
     K18L04F  C2018 06 13.32518 15 13 36.12 +12 16 50.9          21.7 GUEL070I52
 
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, H. Groeller,
    J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L. Seaman,
    F. C. Shelly.  1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer B. M. Africano.
    Measurers B. M. Africano, E. J. Christensen, 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.  1.0-m reflector + CCD.
V06 Catalina Sky Survey-Kuiper.  Observer D. C. Fuls.  Measurers
    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. G. Matheny, R. L. Seaman,
    F. C. Shelly.  1.55-m reflector + CCD.
 
Orbital elements:
2018 LF4                                                 Earth MOID = 0.0441 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 345.69752              (2000.0)            P               Q
n   0.25698057     Peri.  351.16320     -0.65416430     +0.74451174
a   2.4502056      Node   237.85748     -0.68396427     -0.65753983
e   0.5705948      Incl.    9.05836     -0.32289618     -0.11551471
P   3.84           H   24.2           G   0.15           U   8
Residuals in seconds of arc
180611 G96  0.2-  0.4-    180611 V06  0.2-  0.1-    180612 I52  0.1-  0.0
180611 G96  0.6+  0.4-    180611 V06  0.2+  0.0     180613 I52  0.6+  0.5+
180611 G96  0.4-  0.4+    180611 V06  0.4-  0.0     180613 I52  0.2-  0.3-
180611 G96  0.1-  0.5+    180612 I52  0.0   0.0     180613 I52  0.4-  0.3-
180611 V06  0.5+  0.1-    180612 I52  0.1+  0.2+

Ephemeris:
2018 LF4                 a,e,i = 2.45, 0.57, 9                   q = 1.0521
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 05 14    10 07 57.1 -03 36 30   0.1531  1.0532   102.0    69.8    22.7
...
2018 05 29    12 12 02.2 +05 22 28   0.1108  1.0619   113.1    61.4    21.7
...
2018 06 06    13 50 26.3 +10 19 35   0.1098  1.0801   124.1    51.1    21.5
...
2018 06 12    15 00 06.0 +12 08 09   0.1223  1.0994   130.9    44.3    21.5
2018 06 13    15 10 23.2 +12 15 29   0.1254  1.1031   131.8    43.3    21.6
2018 06 14    15 20 13.8 +12 20 11   0.1287  1.1069   132.6    42.5    21.6
...
2018 06 20    16 10 04.5 +12 04 47   0.1531  1.1320   136.5    38.2    21.9
...
2018 06 28    16 55 59.7 +10 37 40   0.1946  1.1714   139.5    34.3    22.4
...
2018 07 13    17 45 49.2 +06 52 14   0.2926  1.2597   141.9    29.9    23.3

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-L70



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