[Iaude] MPEC Y22: 2018 XN5 [a=1.79,e=0.45,i=3.5,H=25.7]

[mpec at mpcdb1.cfa.harvard.edu]

M.P.E.C. 2018-Y22                                Issued 2018 Dec. 17, 15:23 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 XN5
 
Observations:
     K18X05N* C2018 12 15.30928 00 42 50.693+37 08 10.67         20.5 iUEY022F51
     K18X05N  C2018 12 15.33255 00 42 49.232+37 09 45.19         20.2 iUEY022F51
     K18X05N  C2018 12 15.34423 00 42 48.591+37 10 31.48         20.1 iUEY022F51
     K18X05N KC2018 12 15.74917500 43 21.01 +37 41 18.9          20.3 GVEY022L01
     K18X05N KC2018 12 15.75090300 43 20.94 +37 41 27.5          20.2 GVEY022L01
     K18X05N pC2018 12 15.75263100 43 20.87 +37 41 36.1          20.3 GVEY022L01
     K18X05N KC2018 12 15.75608800 43 20.69 +37 41 53.3          20.1 GVEY022L01
     K18X05N KC2018 12 15.75867100 43 20.56 +37 42 05.7          20.2 GVEY022L01
     K18X05N KC2018 12 15.76103700 43 20.45 +37 42 17.5          20.3 GVEY022L01
     K18X05N ^C2018 12 17.21902000 44 59.284+40 07 00.39         19.84GVEY022568
     K18X05N ^C2018 12 17.21996900 44 59.215+40 07 07.04         19.98GVEY022568
     K18X05N ^C2018 12 17.22092000 44 59.147+40 07 13.63         19.90GVEY022568
 
Observer details:
568 Mauna Kea.  Observers R. Wainscoat, C. Wipper, A. Petric.  Measurers
    R. Weryk, R. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
    M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau, J. Fairlamb,
    H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
    R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
 
Orbital elements:
2018 XN5                                                 Earth MOID = 0.0012 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  48.14822              (2000.0)            P               Q
n   0.41283986     Peri.  182.35548     -0.18794365     -0.98033490
a   1.7862749      Node   278.48171     +0.90212403     -0.14807430
e   0.4491584      Incl.    3.48788     +0.38839338     -0.13045108
P   2.39           H   25.7           G   0.15           U   6
Residuals in seconds of arc
181215 F51  0.1-  0.2-    181215 L01  0.0   0.0     181215 L01  0.1-  0.3-
181215 F51  0.1-  0.1+    181215 L01  0.2+  0.0     181217 568  0.1-  0.1-
181215 F51  0.0   0.2-    181215 L01  0.0   0.0     181217 568  0.1-  0.1-
181215 L01  0.1-  0.0     181215 L01  0.1-  0.4-    181217 568  0.1-  0.2-

Ephemeris:
2018 XN5                 a,e,i = 1.79, 0.45, 3                   q = 0.9840
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 11 17    00 59 57.5 +28 19 40   0.1388  1.1054   145.0    30.9    23.0
...
2018 12 02    00 45 24.4 +30 12 55   0.08275 1.0401   129.1    47.4    22.2
...
2018 12 10    00 41 53.4 +32 50 17   0.05413 1.0143   121.7    55.7    21.4
...
2018 12 16    00 43 33.2 +38 03 01   0.03283 0.9998   117.7    60.7    20.4
2018 12 17    00 44 39.9 +39 40 31   0.02931 0.9979   117.3    61.2    20.2
2018 12 18    00 46 17.2 +41 44 47   0.02582 0.9960   117.1    61.6    19.9
...
2018 12 24    08 42 12.5 +81 05 07   0.0080890.9877   120.3    59.3    17.3
...
2019 01 01    12 24 12.9 -09 52 06   0.02738 0.9839    90.5    87.9    20.9
...
2019 01 16    12 28 36.7 -20 36 06   0.07920 1.0004   100.0    75.5    22.8

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-Y22