[Iaude] MPEC L30: 2018 LK2 [a=1.60,e=0.40,i=18.4,H=19.8,PHA]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Fri Jun 8 14:21:26 EDT 2018


M.P.E.C. 2018-L30                                Issued 2018 June 8, 18:18 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 LK2
 
Observations:
     K18L02K* S2018 06 02.93056 00 49 40.60 -51 13 16.7          19   RLEL030C51
     K18L02K  s2018 06 02.93056 1 + 4652.4898 -  168.3571 - 5044.2038   EL030C51
     K18L02K  S2018 06 02.99588 00 50 08.67 -51 10 23.0                LEL030C51
     K18L02K  s2018 06 02.99588 1 + 4708.8591 -  150.2609 - 4992.1509   EL030C51
     K18L02K  S2018 06 02.99601 00 50 08.74 -51 10 22.5                LEL030C51
     K18L02K  s2018 06 02.99601 1 + 4648.2438 -  164.0565 - 5048.2788   EL030C51
     K18L02K  S2018 06 03.06134 00 50 36.84 -51 07 28.4                LEL030C51
     K18L02K  s2018 06 03.06134 1 + 4704.6401 -  145.9020 - 4996.2717   EL030C51
     K18L02K  S2018 06 03.25769 00 52 00.55 -50 58 43.3                LEL030C51
     K18L02K  s2018 06 03.25769 1 + 4691.9229 -  132.8880 - 5008.6303   EL030C51
     K18L02K  S2018 06 03.32314 00 52 28.43 -50 55 47.8                LEL030C51
     K18L02K  s2018 06 03.32314 1 + 4687.7110 -  128.5600 - 5012.7056   EL030C51
     K18L02K |C2018 06 05.30427 01 06 01.51 -49 24 23.5          20.5 GUEL030807
     K18L02K |C2018 06 05.30591 01 06 02.14 -49 24 19.1          20.6 GUEL030807
     K18L02K |C2018 06 05.30795 01 06 02.98 -49 24 13.4          20.4 GUEL030807
     K18L02K |C2018 06 05.30997 01 06 03.79 -49 24 07.8          20.3 GUEL030807
     K18L02K |C2018 06 05.31199 01 06 04.52 -49 24 02.4          20.5 GUEL030807
     K18L02K |C2018 06 07.33691 01 18 55.15 -47 46 05.3          20.3 GUEL030807
     K18L02K |C2018 06 07.34263 01 18 57.24 -47 45 48.8          20.2 GUEL030807
     K18L02K |C2018 06 07.34920 01 18 59.61 -47 45 29.9          20.3 GUEL030807
     K18L02K KC2018 06 07.64030 01 20 45.49 -47 30 58.7          20.3 GUEL030474
     K18L02K KC2018 06 07.64973 01 20 48.90 -47 30 31.4          20.5 GUEL030474
     K18L02K KC2018 06 07.65209 01 20 49.74 -47 30 24.3          20.4 GUEL030474
     K18L02K 4C2018 06 08.39917 01 25 16.67 -46 53 10.9          19.5 GUEL030I11
     K18L02K 4C2018 06 08.40217 01 25 17.70 -46 53 01.9          19.8 GUEL030I11
     K18L02K 4C2018 06 08.40482 01 25 18.62 -46 52 53.6          21.1 GUEL030I11
 
Observer details:
474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore,
    P. M. Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
807 Cerro Tololo.  Observers T. Linder, R. Holmes.  1.00-m f/10.0 astrograph
    + CCD.
C51 WISE.  Measurers A. K. Mainzer, J. M. Bauer, T. Grav, J. R. Masiero,
    J. W. Dailey, R. M. Cutri, E. L. Wright, S. Sonnett, E. Kramer.
I11 Gemini South Observatory, Cerro Pachon.  Observers J. Masiero, V. Firpo,
    P. Prado.  Measurer J. Masiero.  8.0-m reflector.
 
Orbital elements:
2018 LK2                                            PHA, Earth MOID = 0.0461 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 300.16289              (2000.0)            P               Q
n   0.48857651     Peri.  310.38230     +0.81662035     +0.57101552
a   1.5965444      Node    15.41190     -0.38526975     +0.64777734
e   0.4039694      Incl.   18.44825     -0.42976556     +0.50430724
P   2.02           H   19.8           G   0.15           U   7
Residuals in seconds of arc
180602 C51  0.1+  0.3-    180605 807  0.2-  0.1+    180607 474  0.1-  0.2-
180602 C51  0.1-  0.0     180605 807  0.2+  0.2+    180607 474  0.0   0.4-
180602 C51  0.0   0.1-    180605 807  0.3+  0.2+    180607 474  0.1-  0.1-
180603 C51  0.7+  0.3+    180605 807  0.3-  0.0     180608 I11  0.0   0.0
180603 C51  0.7-  0.2+    180607 807  0.1+  0.0     180608 I11  0.1-  0.1+
180603 C51  0.2-  0.0     180607 807  0.2+  0.0     180608 I11  0.0   0.6+
180605 807  0.0   0.2+    180607 807  0.1+  0.1-

Ephemeris:
2018 LK2                 a,e,i = 1.60, 0.40, 18                  q = 0.9516
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 05 09    20 55 21.3 -57 41 54   0.4947  1.2367   105.4    51.9    20.6
...
2018 05 24    23 25 44.5 -57 01 09   0.4434  1.1507    96.5    61.0    20.5
...
2018 06 01    00 35 19.6 -52 35 53   0.4329  1.1079    90.8    66.2    20.5
...
2018 06 07    01 16 48.9 -48 02 46   0.4313  1.0778    86.5    70.0    20.6
2018 06 08    01 22 53.3 -47 13 14   0.4315  1.0730    85.7    70.6    20.6
2018 06 09    01 28 44.5 -46 22 49   0.4318  1.0683    85.1    71.2    20.6
...
2018 06 15    01 59 43.6 -41 07 02   0.4360  1.0412    81.1    74.5    20.7
...
2018 06 23    02 32 21.4 -33 47 53   0.4465  1.0096    76.4    78.1    20.8
...
2018 07 08    03 17 55.3 -20 05 32   0.4765  0.9672    70.4    82.0    21.0

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-L30



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