[Iaude] MPEC M49: 2018 MY4 [a=1.55,e=0.29,i=27.9,H=22.8]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Tue Jun 19 18:09:17 EDT 2018


M.P.E.C. 2018-M49                                Issued 2018 June 19, 22:05 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 MY4
 
Observations:
     K18M04Y  C2018 06 14.35631115 44 04.286-16 36 24.32         21.0 GVEM049F51
     K18M04Y  C2018 06 14.36744515 44 03.533-16 34 47.05         20.6 GVEM049F51
     K18M04Y* C2018 06 17.31913 15 41 55.180-09 23 44.73         21.1 wUEM049F51
     K18M04Y  C2018 06 17.32886 15 41 54.641-09 22 19.77         20.4 wUEM049F51
     K18M04Y  C2018 06 17.34828 15 41 53.567-09 19 29.75         20.8 wUEM049F51
     K18M04Y |C2018 06 18.05681 15 41 28.95 -07 35 45.1          20.9 VuEM049807
     K18M04Y |C2018 06 18.06131 15 41 28.71 -07 35 06.1          20.7 VuEM049807
     K18M04Y |C2018 06 18.06593 15 41 28.48 -07 34 26.0          21.3 VuEM049807
     K18M04Y  C2018 06 18.17438 15 41 24.84 -07 19 27.2          20.5 GUEM049I52
     K18M04Y  C2018 06 18.17534 15 41 24.76 -07 19 19.3          20.8 GUEM049I52
     K18M04Y  C2018 06 18.17630 15 41 24.67 -07 19 10.7          20.5 GUEM049I52
     K18M04Y  C2018 06 18.17726 15 41 24.67 -07 19 02.1          20.5 GUEM049I52
     K18M04Y HC2018 06 18.89665 15 41 00.51 -05 35 15.6          21   GVEM049204
     K18M04Y HC2018 06 18.91726 15 40 59.57 -05 32 17.6                VEM049204
     K18M04Y  C2018 06 19.35406 15 40 45.02 -04 29 32.0          19.4 GUEM049I52
     K18M04Y  C2018 06 19.35675 15 40 44.92 -04 29 08.2          20.4 GUEM049I52
     K18M04Y  C2018 06 19.35799 15 40 44.90 -04 28 57.8          20.4 GUEM049I52
     K18M04Y  C2018 06 19.36241 15 40 44.68 -04 28 19.8          20.3 GUEM049I52
 
Observer details:
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector
    + CCD.
807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
    + CCD, 1.00-m f/10.0 astrograph + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
    M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
    M. Huber, E. Magnier, Y. Ramanjooloo, R. Wainscoat, C. Waters, R. Weryk.
    1.8-m Ritchey-Chretien + 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.
 
Orbital elements:
2018 MY4                                                 Earth MOID = 0.1713 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 288.11765              (2000.0)            P               Q
n   0.51304246     Peri.   53.34990     +0.56862931     +0.68330175
a   1.5453749      Node   257.94912     -0.82084305     +0.50764326
e   0.2928327      Incl.   27.92500     +0.05364130     +0.52478285
P   1.92           H   22.8           G   0.15           U   7
Residuals in seconds of arc
180614 F51  0.0   0.1-    180618 807  0.1-  0.1-    180618 204  0.1+  0.1+
180614 F51  0.0   0.1+    180618 807  0.1-  0.2-    180618 204  0.4-  0.2+
180617 F51  0.0   0.1+    180618 I52  0.7+  0.2+    180619 I52  0.1-  0.4-
180617 F51  0.1-  0.1-    180618 I52  0.2+  0.3-    180619 I52  0.0   0.3+
180617 F51  0.1-  0.0     180618 I52  0.4-  0.0     180619 I52  0.5+  0.0
180618 807  0.1+  0.0     180618 I52  0.3+  0.2+    180619 I52  0.3-  0.0

Ephemeris:
2018 MY4                 a,e,i = 1.55, 0.29, 28                  q = 1.0928
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 05 20    16 19 00.1 -56 29 38   0.3326  1.2926   142.9    28.2    22.2
...
2018 06 04    15 55 58.1 -38 48 55   0.2313  1.2346   160.3    16.1    20.9
...
2018 06 12    15 46 13.0 -22 13 03   0.2025  1.2061   158.4    18.0    20.7
...
2018 06 18    15 41 30.1 -07 44 24   0.1978  1.1861   146.6    28.1    20.9
2018 06 19    15 40 57.5 -05 19 57   0.1985  1.1829   144.3    30.1    21.0
2018 06 20    15 40 29.0 -02 57 21   0.1996  1.1798   142.0    32.0    21.0
...
2018 06 26    15 39 02.8 +10 11 50   0.2135  1.1618   128.7    43.1    21.4
...
2018 07 04    15 40 29.2 +23 45 06   0.2467  1.1405   114.3    54.3    22.0
...
2018 07 19    15 51 18.7 +38 44 20   0.3282  1.1103    97.9    65.0    22.9

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-M49



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