[Iaude] MPEC Y16: 2018 XG5 [a=2.44,e=0.62,i=12.9,H=20.3,PHA]

Mon Dec 17 09:53:18 EST 2018

M.P.E.C. 2018-Y16                                Issued 2018 Dec. 17, 14:49 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 XG5
 
Observations:
     K18X05G* C2018 12 13.39431 04 48 14.937+01 28 19.73         21.3 wUEY016F51
     K18X05G  C2018 12 13.40622 04 48 13.662+01 28 05.70         21.3 wUEY016F51
     K18X05G  C2018 12 13.41811 04 48 12.395+01 27 51.65         21.4 wUEY016F51
     K18X05G  C2018 12 13.42998 04 48 11.131+01 27 37.83         21.4 wUEY016F51
     K18X05G  C2018 12 14.21247 04 46 51.54 +01 12 19.4          21.1 GVEY016I52
     K18X05G  C2018 12 14.21496 04 46 51.25 +01 12 16.3          21.3 GVEY016I52
     K18X05G  C2018 12 14.21746 04 46 50.96 +01 12 13.6          21.0 GVEY016I52
     K18X05G  C2018 12 14.21996 04 46 50.73 +01 12 10.4          21.3 GVEY016I52
     K18X05G  C2018 12 14.29420 04 46 42.76 +01 10 44.0          21.1 GVEY016G96
     K18X05G  C2018 12 14.29981 04 46 42.16 +01 10 37.8          21.4 GVEY016G96
     K18X05G  C2018 12 14.30666 04 46 41.47 +01 10 29.4          21.1 GVEY016G96
     K18X05G  C2018 12 14.31228 04 46 40.83 +01 10 22.8          21.6 GVEY016G96
     K18X05G KC2018 12 14.44927 04 46 26.24 +01 07 43.8          21.0 RoEY016691
     K18X05G KC2018 12 14.46145 04 46 25.01 +01 07 28.7          21.0 RoEY016691
     K18X05G KC2018 12 14.99022004 45 30.85 +00 57 10.8          21.4 GVEY016L01
     K18X05G pC2018 12 14.99216504 45 30.68 +00 57 07.9          21.2 GVEY016L01
     K18X05G KC2018 12 14.99488304 45 30.34 +00 57 04.9          21.3 GVEY016L01
     K18X05G KC2018 12 16.29146 04 43 15.78 +00 32 06.4          21.7 RoEY016691
     K18X05G KC2018 12 16.29750 04 43 15.07 +00 31 59.0          21.1 RoEY016691
     K18X05G KC2018 12 16.30868 04 43 13.78 +00 31 46.2          21.6 RoEY016691
 
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.
G96 Mt. Lemmon Survey.  Observer A. R. Gibbs.  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.  1.5-m reflector + 10K 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.
 
Orbital elements:
2018 XG5                                            PHA, Earth MOID = 0.0019 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M   6.77383              (2000.0)            P               Q
n   0.25803192     Peri.  320.60883     -0.98845726     -0.07899642
a   2.4435455      Node   215.50718     +0.10644370     -0.96931925
e   0.6231164      Incl.   12.86047     -0.10780528     -0.23276545
P   3.82           H   20.3           G   0.15           U   8
Residuals in seconds of arc
181213 F51  0.0   0.1+    181214 I52  0.1+  0.4-    181214 L01  0.2-  0.2+
181213 F51  0.0   0.0     181214 G96  0.1-  0.1-    181214 L01  0.3+  0.4-
181213 F51  0.0   0.1-    181214 G96  0.1-  0.3+    181214 L01  0.4-  0.3-
181213 F51  0.0   0.0     181214 G96  0.6+  0.1-    181216 691  0.9+  0.3+
181214 I52  0.2+  0.1-    181214 G96  0.0   0.1-    181216 691  0.1+  0.2-
181214 I52  0.1-  0.3-    181214 691  0.3-  0.8+    181216 691  0.9-  0.1-
181214 I52  0.5-  0.1-    181214 691  0.4+  0.1-

Ephemeris:
2018 XG5                 a,e,i = 2.44, 0.62, 13                  q = 0.9209
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 11 17    05 21 01.7 +09 37 08   0.9410  1.8688   151.1    14.8    22.4
...
2018 12 02    05 05 47.8 +05 11 25   0.7796  1.7425   161.3    10.4    21.6
...
2018 12 10    04 53 52.9 +02 35 06   0.7154  1.6738   159.5    11.9    21.4
...
2018 12 16    04 43 46.3 +00 37 50   0.6774  1.6218   154.4    15.2    21.3
2018 12 17    04 42 01.7 +00 18 40   0.6719  1.6131   153.4    15.9    21.3
2018 12 18    04 40 16.5 -00 00 21   0.6666  1.6044   152.3    16.6    21.3
...
2018 12 24    04 29 41.5 -01 49 47   0.6393  1.5520   145.2    21.2    21.3
...
2019 01 01    04 16 09.7 -03 57 59   0.6132  1.4819   135.0    28.0    21.3
...
2019 01 16    03 56 42.2 -06 44 16   0.5851  1.3511   116.6    40.6    21.4

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-Y16