[Iaude] MPEC Y18: 2018 XJ5 [a=2.75,e=0.53,i=18.3,H=19.5]

Mon Dec 17 10:05:19 EST 2018

M.P.E.C. 2018-Y18                                Issued 2018 Dec. 17, 15:01 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 XJ5
 
Observations:
     K18X05J* C2018 12 13.39664104 24 57.51 -24 27 03.9          19.42oVEY018T05
     K18X05J  C2018 12 13.40490804 24 57.55 -24 26 45.9          19.38oVEY018T05
     K18X05J  C2018 12 13.40811004 24 57.59 -24 26 39.4          19.30oVEY018T05
     K18X05J  C2018 12 13.41818704 24 57.68 -24 26 17.2          18.89oVEY018T05
     K18X05J  C2018 12 13.47049504 24 58.12 -24 24 19.8          19.36oVEY018T05
     K18X05J  C2018 12 13.47878104 24 58.23 -24 24 02.2          19.12oVEY018T05
     K18X05J  C2018 12 13.48533804 24 58.23 -24 23 47.7          18.80oVEY018T05
     K18X05J  C2018 12 13.50609604 24 58.51 -24 23 02.6          19.26oVEY018T05
     K18X05J  C2018 12 13.51388204 24 58.60 -24 22 44.3          19.18oVEY018T05
     K18X05J  C2018 12 13.52121004 24 58.60 -24 22 27.7          19.06oVEY018T05
     K18X05J  C2018 12 14.18022 04 25 11.87 -23 58 07.1          19.6 GVEY018I52
     K18X05J  C2018 12 14.18247 04 25 11.90 -23 58 01.6          19.9 GVEY018I52
     K18X05J  C2018 12 14.18472 04 25 11.91 -23 57 56.2          19.3 GVEY018I52
     K18X05J  C2018 12 14.18845 04 25 12.01 -23 57 48.1          19.3 GVEY018I52
     K18X05J KC2018 12 14.92940804 25 25.06 -23 29 43.7          19.9 GVEY018L01
     K18X05J KC2018 12 14.93329504 25 25.08 -23 29 34.0          20.0 GVEY018L01
     K18X05J KC2018 12 14.93602104 25 25.11 -23 29 28.2          19.7 GVEY018L01
     K18X05J KC2018 12 14.93835904 25 25.15 -23 29 22.9          19.7 GVEY018L01
     K18X05J  C2018 12 17.36574 04 26 16.441-21 52 28.04         19.3 iUEY018F51
     K18X05J  C2018 12 17.37894 04 26 16.623-21 51 55.27         19.3 iUEY018F51
     K18X05J  C2018 12 17.39215 04 26 16.810-21 51 22.54         19.3 iUEY018F51
 
Observer details:
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.
I52 Steward Observatory, Mt. Lemmon Station.  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.  1.0-m reflector + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
T05 ATLAS-HKO, Haleakala.  Observers L. Denneau, J. Tonry, A. Heinze,
    H. Weiland.  Measurers L. Denneau, J. Tonry, A. Heinze, H. Weiland,
    B. Stalder.  0.5-m reflector + CCD.
 
Orbital elements:
2018 XJ5
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  28.67030              (2000.0)            P               Q
n   0.21655598     Peri.  314.11232     +0.20743445     -0.94154153
a   2.7463502      Node   122.11474     +0.96296821     +0.14875570
e   0.5266065      Incl.   18.26551     +0.17222999     +0.30227685
P   4.55           H   19.5           G   0.15           U   8
Residuals in seconds of arc
181213 T05  0.0   0.1+    181213 T05  0.5+  0.8-    181214 L01  0.2+  0.1-
181213 T05  0.3-  0.1-    181213 T05  0.6+  0.1+    181214 L01  0.1-  0.6+
181213 T05  0.1-  0.6-    181213 T05  0.5-  0.3+    181214 L01  0.2-  0.1+
181213 T05  0.0   0.5-    181214 I52  0.1-  0.7-    181214 L01  0.1-  0.0
181213 T05  0.1-  1.2+    181214 I52  0.0   0.3-    181217 F51  0.0   0.0
181213 T05  0.3+  0.4+    181214 I52  0.2-  0.1+    181217 F51  0.0   0.0
181213 T05  0.5-  0.3+    181214 I52  0.6+  0.1-    181217 F51  0.0   0.0

Ephemeris:
2018 XJ5                 a,e,i = 2.75, 0.53, 18                  q = 1.3001
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 11 17    04 20 21.0 -33 07 15   0.4867  1.3370   126.5    36.5    20.0
...
2018 12 02    04 22 49.9 -29 58 38   0.4453  1.3086   128.1    36.4    19.8
...
2018 12 10    04 24 07.4 -26 23 28   0.4291  1.3016   129.7    35.6    19.7
...
2018 12 16    04 25 46.4 -22 47 37   0.4207  1.3001   131.1    34.8    19.6
2018 12 17    04 26 08.0 -22 07 18   0.4196  1.3002   131.4    34.6    19.6
2018 12 18    04 26 31.2 -21 25 49   0.4187  1.3004   131.6    34.4    19.6
...
2018 12 24    04 29 27.9 -16 54 05   0.4160  1.3034   133.0    33.5    19.6
...
2019 01 01    04 35 15.3 -10 03 24   0.4207  1.3124   134.4    32.4    19.6
...
2019 01 16    04 52 37.1 +03 35 09   0.4610  1.3443   133.7    31.9    19.8

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-Y18