[Iaude] MPEC X100: 2019 XW2 [a=2.04,e=0.55,i=6.5,H=19.4]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Dec 9 16:10:14 EST 2019


M.P.E.C. 2019-X100                             Issued 2019 December 9, 21:08 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

                                    2019 XW2                                    


Observations:
     K19X02W* C2019 12 07.63054209 34 32.52 +72 22 54.9          16.90oVEX100T05
     K19X02W  C2019 12 07.64042009 34 18.76 +72 22 06.1          17.91oVEX100T05
     K19X02W  C2019 12 07.65228609 34 02.31 +72 21 06.8          17.50oVEX100T05
     K19X02W  C2019 12 07.79226 09 31 14.19 +72 08 55.1          17.3 rVEX100C42
     K19X02W  C2019 12 07.79324 09 31 13.01 +72 08 50.5          17.3 rVEX100C42
     K19X02W  C2019 12 07.79422 09 31 11.55 +72 08 45.3          17.3 rVEX100C42
     K19X02W KC2019 12 07.84094 09 30 13.52 +72 04 07.0          16.9 GVEX100587
     K19X02W KC2019 12 07.84274 09 30 11.31 +72 03 58.4          16.8 GVEX100587
     K19X02W KC2019 12 07.84485 09 30 08.73 +72 03 48.4          17.1 GVEX100587
     K19X02W  C2019 12 07.93330 09 28 11.59 +71 57 39.7          16.9 VqEX100N55
     K19X02W  C2019 12 07.93392 09 28 10.81 +71 57 36.8          16.7 VqEX100N55
     K19X02W  C2019 12 07.93450 09 28 10.08 +71 57 33.9          16.8 VqEX100N55
     K19X02W  C2019 12 07.93507 09 28 09.29 +71 57 31.6          17.0 VqEX100N55
     K19X02W  C2019 12 07.93562 09 28 08.57 +71 57 28.3          16.8 VqEX100N55
     K19X02W  C2019 12 07.93619 09 28 07.80 +71 57 25.5          16.8 VqEX100N55
     K19X02W  C2019 12 07.93675 09 28 07.08 +71 57 22.7          16.9 VqEX100N55
     K19X02W KC2019 12 07.96777109 27 36.22 +71 54 10.5          17.0 GVEX100L01
     K19X02W  C2019 12 07.96843409 27 35.37 +71 54 07.0          17.1 GVEX100L01
     K19X02W  C2019 12 07.96888209 27 34.81 +71 54 05.2          17.0 GVEX100L01
     K19X02W  C2019 12 07.96931709 27 34.27 +71 54 03.1          16.8 GVEX100L01
     K19X02W  C2019 12 07.96976509 27 33.75 +71 54 00.8          17.0 GVEX100L01
     K19X02W  C2019 12 07.97020109 27 33.19 +71 53 58.9          17.1 GVEX100L01
     K19X02W  C2019 12 07.97063509 27 32.64 +71 53 56.7          17.0 GVEX100L01
     K19X02W KC2019 12 07.97130709 27 31.79 +71 53 53.2          17.0 GVEX100L01
     K19X02W KC2019 12 08.00808 09 26 45.99 +71 50 51.7          16.6 RVEX100K30
     K19X02W KC2019 12 08.01131 09 26 41.96 +71 50 36.1          16.6 RVEX100K30
     K19X02W KC2019 12 08.02627 09 26 23.18 +71 49 24.1          16.6 RVEX100K30
     K19X02W  C2019 12 08.06581 09 25 33.50 +71 46 13.4          16.8 GVEX100204
     K19X02W  C2019 12 08.06824 09 25 30.43 +71 46 01.6                VEX100204
     K19X02W  C2019 12 08.07148 09 25 26.37 +71 45 45.7                VEX100204
     K19X02W  C2019 12 08.07432 09 25 22.82 +71 45 31.8                VEX100204
     K19X02W  C2019 12 08.07756 09 25 18.73 +71 45 15.8                VEX100204
     K19X02W 4C2019 12 08.09814 09 24 55.25 +71 43 37.1          17.2 GVEX100I89
     K19X02W 4C2019 12 08.10071 09 24 51.96 +71 43 24.6          16.5 GVEX100I89
     K19X02W 4C2019 12 08.10324 09 24 48.84 +71 43 12.4          16.9 GVEX100I89
     K19X02W KC2019 12 08.13609 09 24 14.90 +71 39 34.4          16.1 RVEX100W25
     K19X02W KC2019 12 08.15105 09 23 57.25 +71 38 23.0          16.3 RVEX100W25
     K19X02W KC2019 12 08.17839 09 23 24.90 +71 36 12.8          16.2 RVEX100W25
     K19X02W KC2019 12 08.21223 09 22 44.65 +71 33 31.1          16.5 RVEX100W25
     K19X02W KC2019 12 08.22490 09 22 29.51 +71 32 30.3          16.2 RVEX100W25
     K19X02W KC2019 12 08.24179 09 22 09.26 +71 31 09.2          16.2 RVEX100W25
     K19X02W KC2019 12 08.25721 09 21 50.73 +71 29 54.5          16.0 RVEX100W25
     K19X02W KC2019 12 08.81602109 11 30.05 +70 41 01.5          17.5 GVEX100Z99
     K19X02W KC2019 12 08.82005509 11 25.97 +70 40 41.2          17.4 GVEX100Z99
     K19X02W KC2019 12 08.82409009 11 21.81 +70 40 21.0          17.4 GVEX100Z99
     K19X02W  C2019 12 09.47818109 00 33.96 +69 44 21.6          17.20oVEX100T08
     K19X02W  C2019 12 09.48145609 00 30.66 +69 44 05.2          17.33oVEX100T08
     K19X02W  C2019 12 09.48874809 00 23.45 +69 43 27.9          17.40oVEX100T08
     K19X02W  C2019 12 09.50477009 00 07.50 +69 42 06.7          17.32oVEX100T08
     K19X02W 2C2019 12 09.54291 08 59 29.54 +69 38 49.7          16.6 RtEX100F65
     K19X02W 2C2019 12 09.54379 08 59 28.78 +69 38 45.5          16.4 RtEX100F65
     K19X02W 2C2019 12 09.54466 08 59 27.52 +69 38 39.0          15.9 RtEX100F65
     K19X02W 2C2019 12 09.54554 08 59 26.90 +69 38 35.8          16.6 RtEX100F65
     K19X02W 2C2019 12 09.54641 08 59 25.96 +69 38 30.8          16.2 RtEX100F65
     K19X02W 2C2019 12 09.54729 08 59 25.30 +69 38 27.5          16.6 RtEX100F65
     K19X02W 2C2019 12 09.54883 08 59 23.60 +69 38 18.8          17.0 RtEX100F65
     K19X02W 2C2019 12 09.54935 08 59 23.10 +69 38 16.2          17.2 RtEX100F65
     K19X02W 2C2019 12 09.54988 08 59 22.54 +69 38 13.2          16.9 RtEX100F65
     K19X02W 2C2019 12 09.55041 08 59 22.06 +69 38 10.7          16.9 RtEX100F65
     K19X02W 2C2019 12 09.55093 08 59 21.51 +69 38 07.9          16.6 RtEX100F65
     K19X02W 2C2019 12 09.55146 08 59 21.00 +69 38 05.2          16.8 RtEX100F65
     K19X02W KC2019 12 09.71626 08 56 50.54 +69 21 53.5          17.1 RqEX100970
     K19X02W KC2019 12 09.72089 08 56 46.62 +69 21 29.8          16.9 RqEX100970
     K19X02W KC2019 12 09.72532 08 56 42.80 +69 21 06.8          16.9 RqEX100970
     K19X02W KC2019 12 09.83809408 55 06.10 +69 11 25.7          16.9 GVEX100J69
     K19X02W KC2019 12 09.84376408 55 01.11 +69 10 57.1          16.9 GVEX100J69
     K19X02W KC2019 12 09.84943208 54 56.20 +69 10 28.6          17.0 GVEX100J69

Observer details:
204 Schiaparelli Observatory.  Observers L. Buzzi, G. Galli.  0.84-m f/3.5 
   reflector + CCD.
587 Sormano.  Observers A. Fumagalli, P. Sicoli, A. Testa.  Measurer P. Sicoli. 
    0.5-m f/6.8 reflector + CCD.
970 Chelmsford.  Observer N. James.  0.28-m f/10 Schmidt-Cassegrain + CCD.
C42 Xingming Observatory, Mt. Nanshan.  Observer X. Gao.  Measurer Q.-Z. Ye.  
    0.6-m f/8 Ritchey-Chretien + CCD.
F65 Haleakala-Faulkes Telescope North.  Observer P. Breitenstein.  2.0-m 
   Ritchey-Chretien + CCD.
I89 iTelescope Observatory, Nerpio.  Observer M. Suzuki.  0.43-m f/6.8 
   reflector + CCD.
J69 North Observatory, Clanfield.  Observer D. Briggs.  0.41-m f/4.5 Newtonian 
   reflector + CCD.
K30 Luscherz.  Observer L. Grimm.  0.25-m f/4.8 Newtonian reflector + CCD.
L01 Visnjan Observatory, Tican.  Observers K. Korlevic, F. Valentine.  Measurer 
   K. Korlevic.  1.0-m f/2.9 reflector + CCD.
N55 Corona Borealis Observatory, Ngari.  Observers T. Chen, D. W. E. Green.  
    Measurer T. Chen.  0.3-m f/7.2 reflector + CCD.
T05 ATLAS-HKO, Haleakala.  Observers L. Denneau, J. Tonry, A. Heinze, H. 
   Weiland, H. Flewelling.  Measurers L. Denneau, J. Tonry, A. Heinze, H. 
   Weiland, H. Flewelling, B. Stalder, A. Fitzsimmons, J. Robinson, N. Erasmus. 
    0.5-m reflector + CCD.
T08 ATLAS-MLO, Mauna Loa.  Observers L. Denneau, J. Tonry, A. Heinze, H. 
   Weiland, H. Flewelling.  Measurers L. Denneau, J. Tonry, A. Heinze, H. 
   Weiland, H. Flewelling, B. Stalder, A. Fitzsimmons, J. Robinson, N. Erasmus. 
    0.5-m reflector + CCD.
W25 RMS Observatory, Cincinnati.  Observer B. Rowe.  0.35-m f/11.0 
   Schmidt-Cassegrain + CCD.
Z99 Clixby Observatory, Cleethorpes.  Observer A. Mickleburgh.  0.36-m f/8 
   Schmidt-Cassegrain + CCD.

Orbital elements:
2019 XW2                                                 Earth MOID = 0.0503 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
M  72.65243              (2000.0)            P               Q
n   0.33915757     Peri.   68.07010     +0.87502850     -0.47874506
a   2.0364248      Node   320.43499     +0.39221062     +0.78788295
e   0.5460818      Incl.    6.45536     +0.28371808     +0.38735464
P   2.91           H   19.4           G   0.15           U   7
Residuals in seconds of arc
191207 T05  0.1+  0.0     191207 L01  0.1+  0.2-    191209 T08  0.1-  0.1+
191207 T05  0.1-  0.1+    191208 K30  0.0   0.1-    191209 T08  0.1+  0.2-
191207 T05  0.1-  0.0     191208 K30  0.1+  0.1-    191209 T08  0.2+  0.0
191207 C42  0.2-  0.1-    191208 K30  0.1-  0.0     191209 F65  0.0   0.2+
191207 C42  0.3+  0.0     191208 204  0.0   0.1-    191209 F65  0.7+  0.6+
191207 C42  0.5-  0.6-    191208 204  0.0   0.0     191209 F65  1.4-  1.4-
191207 587  0.0   0.1+    191208 204  0.0   0.0     191209 F65  0.0   0.1-
191207 587  0.0   0.0     191208 204  0.1+  0.0     191209 F65  0.4-  0.6-
191207 587  0.1+  0.0     191208 204  0.0   0.0     191209 F65  0.7+  0.7+
191207 N55  0.2-  0.1-    191208 I89  0.0   0.2-    191209 F65  0.2-  0.0
191207 N55  0.0   0.0     191208 I89  0.3-  0.1-    191209 F65  0.1-  0.1+
191207 N55  0.1+  0.0     191208 I89  0.0   0.1+    191209 F65  0.2-  0.1-
191207 N55  0.1-  0.5+    191208 W25  0.1+  0.1+    191209 F65  0.0   0.1+
191207 N55  0.1-  0.0     191208 W25  0.0   0.0     191209 F65  0.1-  0.0
191207 N55  0.2-  0.0     191208 W25  0.0   0.0     191209 F65  0.1-  0.1+
191207 N55  0.1-  0.0     191208 W25  0.2+  0.0     191209 970  0.2+  0.3-
191207 L01  0.1+  0.2+    191208 W25  0.2+  0.1-    191209 970  0.4+  0.1+
191207 L01  0.0   0.1-    191208 W25  0.1+  0.1+    191209 970  0.2+  0.2+
191207 L01  0.0   0.2+    191208 W25  0.0   0.1-    191209 J69  0.4+  0.2-
191207 L01  0.0   0.2+    191208 Z99  0.2-  0.1+    191209 J69  0.2-  0.1+
191207 L01  0.2+  0.0     191208 Z99  0.1+  0.0     191209 J69  0.3-  0.4+
191207 L01  0.2+  0.2+    191208 Z99  0.1-  0.0
191207 L01  0.2+  0.1+    191209 T08  0.1+  0.0

Ephemeris:
2019 XW2                 a,e,i = 2.04, 0.55, 6                   q = 0.9244
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2019 11 09    17 54 28.6 +26 53 54   0.1351  0.9342    61.7   111.0    19.1
...
2019 11 24    16 33 56.2 +63 04 03   0.1098  0.9816    83.8    89.8    17.7
...
2019 12 02    12 49 40.3 +76 33 45   0.1175  1.0204   103.8    69.8    17.2
...
2019 12 08    09 26 48.8 +71 51 27   0.1323  1.0544   118.4    55.3    17.1
2019 12 09    09 08 14.3 +70 25 45   0.1355  1.0604   120.6    53.1    17.1
2019 12 10    08 52 39.1 +68 57 43   0.1387  1.0665   122.9    50.9    17.1
...
2019 12 16    07 55 55.5 +60 21 56   0.1617  1.1049   135.3    38.8    17.2
...
2019 12 24    07 21 20.8 +50 54 16   0.2004  1.1599   149.0    25.9    17.4
...
2020 01 08    06 53 49.6 +38 56 32   0.2980  1.2712   162.9    13.1    18.1

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-X100




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