[Iaude] MPEC Y20: 2018 XL5 [a=2.96,e=0.64,i=12.7,H=21.5]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Mon Dec 17 10:19:19 EST 2018


M.P.E.C. 2018-Y20                                Issued 2018 Dec. 17, 15:14 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 XL5
 
Observations:
     K18X05L* C2018 12 13.59682 10 31 57.395+07 25 11.10         21.8 wUEY020F51
     K18X05L  C2018 12 13.61005 10 31 57.580+07 24 37.66         21.6 wUEY020F51
     K18X05L  C2018 12 13.62330 10 31 57.753+07 24 03.64         21.9 wUEY020F51
     K18X05L  C2018 12 13.63663 10 31 57.944+07 23 29.96         21.4 wUEY020F51
     K18X05L  C2018 12 14.43782 10 32 15.15 +06 49 44.6          22.5 GVEY020V06
     K18X05L  C2018 12 14.43972 10 32 15.14 +06 49 39.6          22.0 GVEY020V06
     K18X05L  C2018 12 14.44162 10 32 15.18 +06 49 34.9          22.0 GVEY020V06
     K18X05L  C2018 12 14.44353 10 32 15.20 +06 49 30.1          22.2 GVEY020V06
     K18X05L KC2018 12 14.49186 10 32 15.77 +06 47 29.1          21.7 RoEY020691
     K18X05L KC2018 12 14.50598 10 32 15.93 +06 46 54.0          21.7 RoEY020691
     K18X05L KC2018 12 14.51997 10 32 16.12 +06 46 19.2          21.3 RoEY020691
     K18X05L KC2018 12 15.10180910 32 26.91 +06 22 07.6          21.6 GVEY020L01
     K18X05L pC2018 12 15.10570110 32 26.91 +06 21 59.0          21.7 GVEY020L01
     K18X05L pC2018 12 15.11115510 32 26.98 +06 21 45.3          21.7 GVEY020L01
     K18X05L  C2018 12 16.49228 10 32 46.17 +05 25 36.1          22.9 GVEY020V06
     K18X05L  C2018 12 16.50442 10 32 46.24 +05 25 07.1                VEY020V06
     K18X05L  C2018 12 16.51050 10 32 46.24 +05 24 52.2          22.0 GVEY020V06
 
Observer details:
691 Steward Observatory, Kitt Peak-Spacewatch.  Observer M. T. Read.  0.9-m
    f/3 reflector + 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.
V06 Catalina Sky Survey-Kuiper.  Observer H. Groeller.  Measurers
    B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs,
    A. D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard,
    R. L. Seaman, F. C. Shelly.  1.55-m reflector + CCD.
 
Orbital elements:
2018 XL5                                                 Earth MOID = 0.1195 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  32.20374              (2000.0)            P               Q
n   0.19307808     Peri.  147.46741     +0.39765829     -0.89147449
a   2.9646999      Node   278.28844     +0.78789479     +0.45304101
e   0.6396548      Incl.   12.67449     +0.47020175     -0.00520293
P   5.10           H   21.5           G   0.15           U   8
Residuals in seconds of arc
181213 F51  0.2-  0.2+    181214 V06  0.1+  0.1+    181215 L01  0.5-  1.1+
181213 F51  0.2-  0.4+    181214 V06  0.0   0.1+    181215 L01  0.3-  0.9+
181213 F51  0.3-  0.0     181214 691  0.2-  0.3-    181216 V06  0.5-  0.0
181213 F51  0.2-  0.1+    181214 691  0.1-  0.1-    181216 V06  0.1-  0.2+
181214 V06  0.3+  0.3+    181214 691  0.4+  0.1+    181216 V06  0.4-  0.0
181214 V06  0.2-  0.1+    181215 L01  0.1+  0.1+

Ephemeris:
2018 XL5                 a,e,i = 2.96, 0.64, 13                  q = 1.0683
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 11 17    09 56 41.3 +30 26 07   0.3557  1.0711    93.5    67.1    21.8
...
2018 12 02    10 23 08.9 +16 27 11   0.3781  1.1033    97.9    62.3    21.8
...
2018 12 10    10 30 11.0 +10 02 37   0.3924  1.1339   102.1    58.1    21.8
...
2018 12 16    10 32 39.9 +05 45 40   0.4037  1.1622   106.0    54.5    21.8
2018 12 17    10 32 51.4 +05 05 30   0.4056  1.1674   106.7    53.8    21.8
2018 12 18    10 32 59.0 +04 26 06   0.4075  1.1726   107.5    53.2    21.8
...
2018 12 24    10 32 27.2 +00 45 56   0.4196  1.2061   112.2    49.0    21.9
...
2019 01 01    10 28 21.4 -03 23 25   0.4372  1.2559   119.2    43.1    21.9
...
2019 01 16    10 11 26.4 -08 45 47   0.4795  1.3612   134.0    31.3    21.9

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-Y20



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