[Iaude] MPEC L45: 2018 LU2 [a=1.21,e=0.32,i=7.2,H=26.6]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sat Jun 9 18:55:20 EDT 2018


M.P.E.C. 2018-L45                                Issued 2018 June  9, 22:52 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 LU2
 
Observations:
     K18L02U* C2018 06 07.30821 17 07 24.06 +39 59 49.7          17.68RUEL045I41
     K18L02U  C2018 06 07.30855 17 07 24.36 +39 59 06.6          17.68RUEL045I41
     K18L02U  C2018 06 07.32385 17 07 39.63 +39 27 56.7          17.67RUEL045I41
     K18L02U  C2018 06 07.32420 17 07 39.92 +39 27 14.0          17.67RUEL045I41
     K18L02U  C2018 06 07.38424 17 08 24.71 +37 30 06.7          17.4 GUEL045I52
     K18L02U  C2018 06 07.38439 17 08 24.85 +37 29 49.6          17.2 GUEL045I52
     K18L02U  C2018 06 07.38454 17 08 24.97 +37 29 33.1          17.3 GUEL045I52
     K18L02U  C2018 06 07.38468 17 08 25.11 +37 29 15.9          17.2 GUEL045I52
     K18L02U  C2018 06 08.20260 17 19 45.58 +21 41 41.0          18.1 GUEL045I52
     K18L02U  C2018 06 08.20273 17 19 45.61 +21 41 35.7          18.1 GUEL045I52
     K18L02U  C2018 06 08.20285 17 19 45.63 +21 41 30.9          18.4 GUEL045I52
     K18L02U  C2018 06 08.20297 17 19 45.63 +21 41 25.5          18.4 GUEL045I52
     K18L02U KC2018 06 09.01294 17 22 44.84 +14 55 02.5                VEL045J95
     K18L02U KC2018 06 09.01558 17 22 44.86 +14 54 07.2                VEL045J95
     K18L02U KC2018 06 09.01694 17 22 44.90 +14 53 38.1                VEL045J95
     K18L02U KC2018 06 09.01834 17 22 44.93 +14 53 08.9          19.1 GVEL045J95
     K18L02U KC2018 06 09.10884 17 23 24.76 +14 24 12.3          18.8 GUEL045W34
     K18L02U KC2018 06 09.12872 17 23 24.84 +14 17 54.0          18.8 GUEL045W34
     K18L02U KC2018 06 09.14927 17 23 24.61 +14 11 25.4          18.8 GUEL045W34
     K18L02U KC2018 06 09.16575 17 23 24.27 +14 06 17.2          18.9 GUEL045W34
     K18L02U  C2018 06 09.17945 17 23 37.40 +14 01 53.8          19.1 GUEL045I52
     K18L02U  C2018 06 09.17969 17 23 37.42 +14 01 49.4          17.9 GUEL045I52
     K18L02U  C2018 06 09.18125 17 23 37.45 +14 01 21.3          18.6 GUEL045I52
     K18L02U  C2018 06 09.18149 17 23 37.46 +14 01 16.5          18.6 GUEL045I52
     K18L02U KC2018 06 09.92515 17 24 51.01 +10 55 15.3          18.8 GUEL045587
     K18L02U KC2018 06 09.92765 17 24 50.97 +10 54 46.1                UEL045587
     K18L02U KC2018 06 09.93015 17 24 50.83 +10 54 16.6                UEL045587
 
Observer details:
587 Sormano.  Observers A. Fumagalli, F. Manca, A. Testa.  Measurer F. Manca.
    0.5-m f/6.8 reflector + CCD.
I41 Palomar Mountain--ZTF.  Observer A. U. Tomatic.  Measurers Q.-Z. Ye,
    H.-W. Lin, F. Masci.  1.2-m f/2.4 Schmidt + ZTF camera.
I52 Steward Observatory, Mt. Lemmon Station.  Observers D. C. Fuls,
    H. Groeller, B. M. Africano.  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, H. Groeller.
    1.0-m reflector + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
    + CCD.
W34 Squirrel Valley Observatory, Columbus.  Observer R. L. Flynn.  0.20-m f/10
    Schmidt-Cassegrain + CCD + f/7.0 focal reducer.
 
Orbital elements:
2018 LU2                                                 Earth MOID = 0.0039 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 347.95176              (2000.0)            P               Q
n   0.74137035     Peri.  283.79273     -0.99177518     -0.04370439
a   1.2090546      Node   253.80583     +0.08487839     -0.92807560
e   0.3238185      Incl.    7.19633     -0.09580010     -0.36981833
P   1.33           H   26.6           G   0.15           U   6
Residuals in seconds of arc
180607 I41  0.2-  1.4+    180608 I52  0.1+  0.2+    180609 W34  0.7-  0.0
180607 I41  0.7-  0.2+    180608 I52  0.1+  0.3+    180609 W34  0.3-  0.4+
180607 I41  1.3+  0.9-    180608 I52  0.1-  0.1-    180609 I52  0.6-  0.2-
180607 I41  0.8+  1.2-    180609 J95  0.2+  0.1-    180609 I52  0.4-  0.2-
180607 I52  0.3-  0.2+    180609 J95  0.1-  0.2+    180609 I52  0.2-  0.1+
180607 I52  0.3-  0.1+    180609 J95  0.1+  0.2-    180609 I52  0.1-  0.3-
180607 I52  0.5-  0.6+    180609 J95  0.3+  0.0     180609 587  0.2-  0.3+
180607 I52  0.3-  0.7-    180609 W34  0.5+  0.8-    180609 587  0.4+  0.3+
180608 I52  0.1-  0.2+    180609 W34  0.3-  0.3+    180609 587  0.4-  0.0

Ephemeris:
2018 LU2                 a,e,i = 1.21, 0.32, 7                   q = 0.8175
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 05 10    05 22 09.3 +03 07 02   0.1623  0.8840    36.2   137.5    28.9
...
2018 05 25    05 30 34.0 +03 23 21   0.07103 0.9500    27.0   151.1    29.4
...
2018 06 02    05 34 23.8 +08 44 31   0.02553 0.9900    19.0   160.6    29.8
...
2018 06 08    17 17 42.3 +24 24 15   0.0093771.0213   132.7    46.9    18.3
2018 06 09    17 22 42.2 +15 05 49   0.01465 1.0266   141.8    37.7    19.0
2018 06 10    17 24 50.4 +10 45 10   0.02011 1.0320   146.1    33.3    19.6
...
2018 06 16    17 28 06.3 +03 22 39   0.05378 1.0641   153.2    25.5    21.6
...
2018 06 24    17 29 21.8 +00 49 33   0.1002  1.1072   153.9    23.9    22.9
...
2018 07 09    17 33 09.5 -01 57 20   0.1943  1.1867   148.5    26.6    24.6

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-L45



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