[Iaude] MPEC X73: 2019 XR1 [a=2.35,e=0.62,i=1.9,H=26.0]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu Dec 5 23:51:28 EST 2019


M.P.E.C. 2019-X73                              Issued 2019 December 6, 04:50 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 XR1                                    


Observations:
     K19X01R* C2019 12 05.51813307 51 19.61 +56 04 02.4          16.33oVEX073T08
     K19X01R  C2019 12 05.52212007 50 51.59 +55 53 57.5          16.34oVEX073T08
     K19X01R  C2019 12 05.52963607 49 59.83 +55 35 03.5          16.03oVEX073T08
     K19X01R  C2019 12 05.53986 07 48 51.98 +55 09 44.3          16.1 oVEX073T08
     K19X01R  C2019 12 05.84062 07 31 27.02 +45 17 46.6          16.2 RSEX073O75
     K19X01R  C2019 12 05.84094 07 31 26.19 +45 17 18.1          15.6 RSEX073O75
     K19X01R  C2019 12 05.84125 07 31 25.41 +45 16 49.4          15.7 RSEX073O75
     K19X01R  C2019 12 05.84221 07 31 22.91 +45 15 22.6          15.7 RSEX073O75
     K19X01R  C2019 12 05.84317 07 31 20.40 +45 13 57.3          15.7 RSEX073O75
     K19X01R  C2019 12 05.84349 07 31 19.56 +45 13 27.5          16.1 RSEX073O75
     K19X01R  C2019 12 05.84412 07 31 17.91 +45 12 31.7          16.0 RSEX073O75
     K19X01R  C2019 12 05.84508 07 31 15.50 +45 11 06.2          16.1 RSEX073O75
     K19X01R  C2019 12 05.84636 07 31 12.12 +45 09 12.0          16.0 RSEX073O75
     K19X01R  C2019 12 05.92538 07 29 49.93 +43 16 11.9                VEX073246
     K19X01R  C2019 12 05.92558 07 29 49.47 +43 15 56.5                VEX073246
     K19X01R  C2019 12 05.92567 07 29 49.32 +43 15 49.3                VEX073246
     K19X01R  C2019 12 05.92576 07 29 49.08 +43 15 42.5                VEX073246
     K19X01R  C2019 12 05.92586 07 29 48.90 +43 15 35.3                VEX073246
     K19X01R  C2019 12 05.92595 07 29 48.71 +43 15 28.6          17.7 GVEX073246
     K19X01R  C2019 12 05.92604 07 29 48.51 +43 15 21.4                VEX073246
     K19X01R  C2019 12 05.92613 07 29 48.31 +43 15 14.7                VEX073246
     K19X01R  C2019 12 05.92932 07 29 41.79 +43 11 14.7                VEX073246
     K19X01R  C2019 12 05.92941 07 29 41.61 +43 11 07.6                VEX073246
     K19X01R  C2019 12 05.92950 07 29 41.39 +43 11 00.3                VEX073246
     K19X01R  C2019 12 05.92959 07 29 41.23 +43 10 53.6                VEX073246
     K19X01R  C2019 12 05.92969 07 29 40.99 +43 10 46.9                VEX073246
     K19X01R  C2019 12 05.92978 07 29 40.84 +43 10 39.8                VEX073246
     K19X01R KC2019 12 05.95194 07 28 39.12 +42 44 05.1          17.1 RqEX073585
     K19X01R KC2019 12 05.95257 07 28 37.85 +42 43 18.5          16.5 RqEX073585
     K19X01R KC2019 12 05.95305 07 28 36.87 +42 42 42.7          16.7 RqEX073585
     K19X01R KC2019 12 05.95378 07 28 35.40 +42 41 48.7                qEX073585
     K19X01R KC2019 12 05.95423 07 28 34.49 +42 41 15.7                qEX073585
     K19X01R KC2019 12 05.95534 07 28 32.22 +42 39 53.8          17.0 RqEX073585
     K19X01R KC2019 12 05.95622 07 28 30.35 +42 38 48.1                qEX073585
     K19X01R KC2019 12 05.95668 07 28 29.45 +42 38 13.8          17.3 RqEX073585
     K19X01R KC2019 12 05.95763 07 28 27.49 +42 37 04.5          17.0 RqEX073585
     K19X01R KC2019 12 05.96653 07 28 21.63 +42 24 47.2          16.9 GVEX073K80
     K19X01R KC2019 12 05.99785 07 27 21.78 +41 47 52.7          16.9 GVEX073K80
     K19X01R KC2019 12 06.07222 07 25 19.14 +40 27 26.5          17.5 GVEX073K38
     K19X01R KC2019 12 06.07389 07 25 16.30 +40 25 41.0          17.7 GVEX073K38
     K19X01R KC2019 12 06.07556 07 25 13.50 +40 23 55.1          17.4 GVEX073K38
     K19X01R KC2019 12 06.07723 07 25 10.75 +40 22 09.3          17.3 GVEX073K38
     K19X01R KC2019 12 06.07905 07 25 07.69 +40 20 15.4          16.7 GVEX073K38

Observer details:
246 Klet Observatory-KLENOT.  Observers M. Tichy, J. Ticha.  Measurer M. Tichy. 
    1.06-m f/2.7 reflector + 2048x2048 CCD.
585 Kyiv comet station.  Observers A. Baransky, A. Khorolsky.  0.7-m f/4 
   reflector + CCD.
K38 M57 Observatory, Saltrio.  Observer G. Baj.  0.3-m f/5.5 Ritchey-Chretien + 
   CCD.
K80 Platanus Observatory, Lusowko.  Observer T. Kluwak.  0.28-m f/2.2 Schmidt + 
   CCD.
O75 ISON-Hureltogoot Observatory.  Observers L. Elenin, N. Tungalag.  Measurer 
   L. Elenin.  0.4-m f/2.4 reflector + CCD.
T08 ATLAS-MLO, Mauna Loa.  Observers L. Denneau, J. Tonry, A. Heinze, H. 
   Weiland, H. Flewelling, K. Smith.  Measurers L. Denneau, J. Tonry, A. Heinze,
    H. Weiland, H. Flewelling, B. Stalder, A. Fitzsimmons, J. Robinson, N. 
   Erasmus, K. Smith.  0.5-m reflector + CCD, 0.5-m f/2.0 Schmidt + CCD.

Orbital elements:
2019 XR1                                                 Earth MOID = 0.0036 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Bell
M  56.26542              (2000.0)            P               Q
n   0.27299600     Peri.  135.46881     +0.83138602     -0.55470761
a   2.3534150      Node   258.24927     +0.49993958     +0.77265786
e   0.6157757      Incl.    1.93846     +0.24260606     +0.30870584
P   3.61           H   26.0           G   0.15           U   6
Residuals in seconds of arc
191205 T08  0.1+  0.1+    191205 246  0.1-  0.7-    191205 585  0.5+  0.6+
191205 T08  0.0   0.5+    191205 246  0.7-  0.7-    191205 585  0.6+  0.8+
191205 T08  0.7-  1.4-    191205 246  0.4-  0.3-    191205 585  0.6+  0.8+
191205 T08  0.1+  1.0+    191205 246  0.4-  0.2-    191205 585  0.3-  0.0
191205 O75  0.3+  0.1+    191205 246  0.5-  0.6-    191205 585  0.1+  0.5-
191205 O75  0.3+  0.4+    191205 246  0.7-  0.5-    191205 585  0.2-  0.1+
191205 O75  0.6+  0.4-    191205 246  0.4+  0.3+    191205 K80  0.3+  0.5+
191205 O75  0.5+  0.8-    191205 246  0.5+  0.1-    191205 K80  0.2+  0.7+
191205 O75  0.2+  0.1+    191205 246  0.2+  0.6-    191206 K38  0.3-  0.1-
191205 O75  0.0   0.9-    191205 246  0.4+  0.5-    191206 K38  0.6-  0.1+
191205 O75  0.3-  0.2-    191205 246  0.1+  0.3+    191206 K38  0.5-  0.3-
191205 O75  0.4+  0.3+    191205 246  0.5+  0.0     191206 K38  0.0   0.7-
191205 O75  0.7-  0.6+    191205 585  0.1-  0.9+    191206 K38  0.3-  0.0
191205 246  0.0   0.1-    191205 585  0.2+  0.9+
191205 246  0.5-  0.3-    191205 585  0.2+  0.6+

Ephemeris:
2019 XR1                 a,e,i = 2.35, 0.62, 2                   q = 0.9042
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2019 11 06    18 47 05.2 -17 08 30   0.1964  0.9044    58.5   110.8    26.5
...
2019 11 21    18 58 17.4 -15 24 45   0.09380 0.9260    46.5   129.3    26.3
...
2019 11 29    18 58 57.6 -12 15 48   0.03971 0.9563    39.6   138.8    25.6
...
2019 12 05    14 35 24.8 +78 58 03   0.0036740.9864   102.8    77.0    16.5
2019 12 06    07 26 58.2 +41 50 00   0.0083250.9919   141.5    38.2    17.1
2019 12 07    07 14 42.6 +30 40 18   0.01468 0.9976   147.2    32.4    18.2
...
2019 12 13    07 05 02.2 +20 27 10   0.05483 1.0345   155.1    23.6    20.9
...
2019 12 21    07 01 19.7 +18 44 36   0.1101  1.0898   163.5    14.8    22.2
...
2020 01 05    06 56 02.9 +18 18 49   0.2245  1.2071   175.5     3.7    23.5

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-X73




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