• Processing (Info)

    • MPEC 2018-J59 : 2018 JW1

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    M.P.E.C. 2018-J59                                Issued 2018 May 12, 14:48 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@CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                   2018 JW1

Observations:
     K18J01W* S2018 05 07.26307 12 06 28.39 +46 35 41.6          20   RLEJ059C51
     K18J01W  s2018 05 07.26307 1 - 3779.4394 + 2157.3687 + 5293.8893   EJ059C51
     K18J01W  S2018 05 07.32852 12 06 20.78 +46 37 22.4                LEJ059C51
     K18J01W  s2018 05 07.32852 1 - 3778.2878 + 2152.1162 + 5296.8391   EJ059C51
     K18J01W  S2018 05 07.39397 12 06 13.43 +46 39 05.0                LEJ059C51
     K18J01W  s2018 05 07.39397 1 - 3777.1482 + 2146.8747 + 5299.7723   EJ059C51
     K18J01W  S2018 05 07.45942 12 06 06.08 +46 40 47.2                LEJ059C51
     K18J01W  s2018 05 07.45942 1 - 3775.9980 + 2141.6360 + 5302.7038   EJ059C51
     K18J01W  S2018 05 07.72123 12 05 36.29 +46 47 32.6                LEJ059C51
     K18J01W  s2018 05 07.72123 1 - 3771.8746 + 2120.8270 + 5314.1687   EJ059C51
     K18J01W KC2018 05 10.15788 12 00 54.82 +47 50 08.6                oEJ059711
     K18J01W KC2018 05 10.16099 12 00 54.49 +47 50 13.2                oEJ059711
     K18J01W IC2018 05 10.16407 12 00 54.05 +47 50 16.8                oEJ059711
     K18J01W KC2018 05 10.42850 12 00 20.88 +47 56 41.6          21.8 RoEJ059291
     K18J01W KC2018 05 10.43304 12 00 20.35 +47 56 48.0          21.8 RoEJ059291
     K18J01W KC2018 05 11.10133911 59 04.77 +48 14 00.0          22.3 VuEJ059H21
     K18J01W KC2018 05 11.11021911 59 03.63 +48 14 13.7          22.2 VuEJ059H21
     K18J01W  C2018 05 11.17262311 58 56.12 +48 15 51.0          21.8 GVEJ059H01
     K18J01W  C2018 05 11.17705511 58 55.54 +48 15 57.6          21.8 GVEJ059H01
     K18J01W  C2018 05 11.19152211 58 53.60 +48 16 19.4          21.8 GVEJ059H01
     K18J01W  C2018 05 11.20027911 58 52.43 +48 16 32.6          21.8 GVEJ059H01
     K18J01W KC2018 05 11.20165 11 58 52.17 +48 16 35.6                oEJ059711
     K18J01W VC2018 05 11.20632 11 58 51.52 +48 16 43.0                oEJ059711
     K18J01W VC2018 05 11.21102 11 58 50.90 +48 16 50.3                oEJ059711

Observer details:
291 LPL/Spacewatch II.  Observer R. A. Mastaler.  1.8-m f/2.7 reflector + CCD.
711 McDonald Observatory.  Observer J. G. Ries.  2.1-m reflector + CCD + focal
    reducer.
C51 WISE.  Measurers A. K. Mainzer, J. M. Bauer, T. Grav, J. R. Masiero,
    J. W. Dailey, R. M. Cutri, E. L. Wright, C. Nugent, S. Sonnett, E. Kramer.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  1.3-m f/4.0
    astrograph + CCD.

Orbital elements:
2018 JW1                                                 Earth MOID = 0.0604 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 326.42809              (2000.0)            P               Q
n   0.34266751     Peri.  158.23035     +0.16858795     +0.97308563
a   2.0224949      Node   121.16194     -0.92927486     +0.21005495
e   0.5512580      Incl.   10.57942     -0.32867359     -0.09476961
P   2.88           H   22.3           G   0.15           U   7
Residuals in seconds of arc
180507 C51  0.7+  0.0     180510 711  0.4-  1.4-    180511 H01  0.0   0.3-
180507 C51  1.1-  0.9-    180510 291  0.2-  0.2-    180511 H01  0.1-  0.2-
180507 C51  0.2-  0.1-    180510 291  0.2-  0.1-    180511 711  0.7+  0.5-
180507 C51  0.7+  0.5+    180511 H21  0.0   0.2-    180511 711  0.4+  0.1-
180507 C51  0.8+  0.2-    180511 H21  0.3+  0.0     180511 711  0.5+  0.3+
180510 711  0.9-  0.2-    180511 H01  0.0   0.2-
180510 711  0.1-  0.3-    180511 H01  0.1+  0.3-

Ephemeris:
2018 JW1                 a,e,i = 2.02, 0.55, 11                  q = 0.9076
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 04 12    12 49 32.9 +33 47 49   0.4040  1.3270   137.1    31.0    22.3
...
2018 04 27    12 25 15.4 +41 53 27   0.3432  1.2098   118.8    46.8    22.2
...
2018 05 05    12 10 42.3 +45 36 26   0.3155  1.1499   108.9    56.1    22.1
...
2018 05 11    11 59 16.7 +48 11 20   0.2948  1.1071   101.5    63.4    22.1
2018 05 12    11 57 18.7 +48 36 38   0.2913  1.1002   100.3    64.6    22.1
2018 05 13    11 55 19.2 +49 01 52   0.2878  1.0934    99.1    65.9    22.1
...
2018 05 19    11 42 36.4 +51 34 57   0.2659  1.0538    91.8    73.6    22.1
...
2018 05 27    11 21 04.5 +55 19 50   0.2344  1.0063    81.7    85.0    22.1
...
2018 06 11    09 41 29.6 +64 09 14   0.1724  0.9387    59.2   111.7    22.6

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-J59

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