[Iaude] MPEC L42: 2018 LR2 [a=2.17,e=0.53,i=11.9,H=25.7]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sat Jun 9 17:57:20 EDT 2018


M.P.E.C. 2018-L42                                Issued 2018 June  9, 21:53 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 LR2
 
Observations:
     K18L02R* C2018 06 08.37112 17 49 49.00 +45 51 24.8          18.7 GUEL042703
     K18L02R  C2018 06 08.37608 17 50 12.65 +45 48 26.7          19.5 GUEL042703
     K18L02R  C2018 06 08.38104 17 50 36.57 +45 45 27.2          17.9 GUEL042703
     K18L02R  C2018 06 08.38600 17 51 00.54 +45 42 25.2          18.3 GUEL042703
     K18L02R  C2018 06 08.43993 17 55 21.52 +45 08 45.5          18.1 GUEL042I52
     K18L02R  C2018 06 08.44011 17 55 22.41 +45 08 38.5          18.1 GUEL042I52
     K18L02R  C2018 06 08.44029 17 55 23.31 +45 08 31.2          17.9 GUEL042I52
     K18L02R  C2018 06 08.44048 17 55 24.18 +45 08 24.1          17.9 GUEL042I52
     K18L02R  C2018 06 08.45256 17 56 23.42 +45 00 32.0          18.1 GUEL042I52
     K18L02R  C2018 06 08.45274 17 56 24.36 +45 00 24.6          18.4 GUEL042I52
     K18L02R  C2018 06 08.45292 17 56 25.24 +45 00 17.5          18.0 GUEL042I52
     K18L02R  C2018 06 08.45310 17 56 26.15 +45 00 10.4          17.8 GUEL042I52
     K18L02R IC2018 06 08.89144 18 36 31.07 +39 17 45.6          19.0 VUEL042L01
     K18L02R KC2018 06 08.89240 18 36 36.14 +39 16 52.7          19.1 VUEL042L01
     K18L02R KC2018 06 09.00399418 46 30.65 +37 28 37.4                VEL042J95
     K18L02R KC2018 06 09.00491018 46 35.48 +37 27 42.7                VEL042J95
     K18L02R KC2018 06 09.00657018 46 44.24 +37 26 02.7                VEL042J95
     K18L02R KC2018 06 09.00756018 46 49.47 +37 25 03.1                VEL042J95
     K18L02R KC2018 06 09.00850418 46 54.43 +37 24 06.5          18.5 GVEL042J95
     K18L02R KC2018 06 09.31083819 14 21.99 +31 46 06.1          18.0 VuEL042H21
     K18L02R KC2018 06 09.31142119 14 24.98 +31 45 22.9          18.2 VuEL042H21
     K18L02R KC2018 06 09.31375619 14 37.06 +31 42 29.7          18.4 VuEL042H21
     K18L02R KC2018 06 09.31492219 14 43.04 +31 41 03.2          17.8 VuEL042H21
     K18L02R KC2018 06 09.31608919 14 49.06 +31 39 36.3          17.6 VuEL042H21
     K18L02R  C2018 06 09.37528 19 20 13.73 +30 26 28.2          17.9 GUEL042I52
     K18L02R  C2018 06 09.37552 19 20 14.94 +30 26 10.1          18.6 GUEL042I52
     K18L02R  C2018 06 09.37576 19 20 16.10 +30 25 51.3                UEL042I52
     K18L02R KC2018 06 09.38961 19 21 13.53 +30 06 25.5          17.8 GUEL042H36
     K18L02R KC2018 06 09.39022 19 21 16.72 +30 05 36.5          17.9 GUEL042H36
     K18L02R KC2018 06 09.39509 19 21 41.58 +29 59 18.4          18.3 GUEL042H36
     K18L02R KC2018 06 09.39847 19 21 58.95 +29 54 52.5          18.4 GUEL042H36
     K18L02R  C2018 06 09.63329 19 43 32.34 +24 32 50.6          18.4 VqEL042900
     K18L02R  C2018 06 09.63654 19 43 48.53 +24 28 12.5          17.7 VqEL042900
     K18L02R  C2018 06 09.63980 19 44 04.81 +24 23 34.9          17.5 VqEL042900
 
Observer details:
703 Catalina Sky Survey.  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.  0.68-m Schmidt + 10K CCD.
900 Moriyama.  Observer Y. Ikari.  0.26-m f/7.0 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.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observers B. M. Africano,
    D. C. Fuls.  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.
J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
    + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
 
Orbital elements:
2018 LR2                                                 Earth MOID = 0.0059 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 336.66680              (2000.0)            P               Q
n   0.30780293     Peri.  174.62706     -0.25033092     +0.94661504
a   2.1724722      Node    80.75875     -0.89575860     -0.14685342
e   0.5306311      Incl.   11.87532     -0.36735672     -0.28697392
P   3.20           H   25.7           G   0.15           U   6
Residuals in seconds of arc
180608 703 (1.5-  3.0+)   180608 L01  0.2-  0.6+    180609 I52  0.1-  0.1+
180608 703 (2.0-  1.6+)   180608 L01  0.2-  0.3-    180609 I52  0.2-  0.4+
180608 703  0.1-  0.1+    180609 J95  0.1-  0.1-    180609 I52  1.1-  0.0
180608 703 (2.0+  2.9-)   180609 J95  0.1-  0.2+    180609 H36  0.4+  1.0-
180608 I52  0.0   0.2+    180609 J95  0.1+  0.1-    180609 H36 (1.2+  2.4-)
180608 I52  0.1+  0.1+    180609 J95  0.2+  0.1-    180609 H36  0.0   0.1+
180608 I52  0.3+  0.2-    180609 J95  0.1+  0.1+    180609 H36  0.6+  1.0-
180608 I52  0.3-  0.1+    180609 H21  0.1-  0.2+    180609 900  0.0   0.2+
180608 I52  0.5-  0.2+    180609 H21  0.3-  0.2+    180609 900  0.1-  0.4-
180608 I52  0.1+  0.1-    180609 H21  0.1+  0.2+    180609 900  0.6+  0.7+
180608 I52  0.0   0.1-    180609 H21  0.3-  0.3+
180608 I52  0.3+  0.1-    180609 H21  0.2-  0.1+

Ephemeris:
2018 LR2                 a,e,i = 2.17, 0.53, 12                  q = 1.0197
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 05 10    13 17 35.7 +49 53 54   0.1697  1.0755   108.5    62.9    24.2
...
2018 05 25    13 31 53.9 +51 59 52   0.09043 1.0320    99.8    75.3    23.2
...
2018 06 02    14 11 32.2 +53 41 40   0.04640 1.0214    97.8    79.6    21.9
...
2018 06 08    17 19 52.8 +48 50 19   0.01516 1.0198   108.3    70.9    19.1
2018 06 09    18 45 47.8 +37 36 54   0.01156 1.0201   115.2    64.2    18.3
2018 06 10    20 13 53.8 +15 26 42   0.01010 1.0205   121.1    58.4    17.9
...
2018 06 16    23 34 08.3 -41 25 34   0.03556 1.0260   105.6    72.5    21.0
...
2018 06 24    00 14 02.0 -47 02 23   0.07966 1.0414   106.2    69.6    22.7
...
2018 07 09    00 24 21.7 -49 27 38   0.1608  1.0929   114.4    57.9    24.0

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-L42



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