[Iaude] MPEC B117: 2019 BT2 [a=1.08,e=0.49,i=19.9,H=20.6,PHA]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sun Jan 27 17:39:17 EST 2019


M.P.E.C. 2019-B117                               Issued 2019 Jan. 27, 22:36 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 BT2
 
Observations:
     K19B02T  C2019 01 10.59661212 59 41.919-09 48 09.45         20.9 GVEB117F51
     K19B02T  C2019 01 10.60821712 59 39.678-09 48 33.90         20.1 GVEB117F51
     K19B02T* C2019 01 17.60234 12 36 11.520-13 46 20.14         20.8 wUEB117F51
     K19B02T  C2019 01 17.62482 12 36 06.354-13 47 04.74         21.3 wUEB117F51
     K19B02T  C2019 01 17.63608 12 36 03.738-13 47 27.02         20.9 wUEB117F51
     K19B02T IC2019 01 18.24187912 33 50.64 -14 06 58.0                VEB117W85
     K19B02T KC2019 01 18.24408412 33 50.14 -14 07 02.4          20.5 GVEB117W85
     K19B02T KC2019 01 18.24628712 33 49.64 -14 07 06.8          20.6 GVEB117W85
     K19B02T KC2019 01 18.24738712 33 49.38 -14 07 08.9          20.7 GVEB117W85
     K19B02T IC2019 01 18.24959112 33 48.87 -14 07 13.6                VEB117W85
     K19B02T |C2019 01 20.26385 12 26 06.62 -15 12 10.1          20.2 GUEB117807
     K19B02T |C2019 01 20.26797 12 26 05.63 -15 12 17.7          20.3 GUEB117807
     K19B02T |C2019 01 20.27268 12 26 04.50 -15 12 26.8          20.7 GUEB117807
     K19B02T |C2019 01 27.22548 11 56 23.34 -18 35 29.2          20.0 VuEB117807
     K19B02T |C2019 01 27.22893 11 56 22.37 -18 35 34.7          19.9 VuEB117807
     K19B02T |C2019 01 27.23286 11 56 21.25 -18 35 41.1          20.2 VuEB117807
 
Observer details:
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
    1.00-m f/10.0 astrograph + CCD, 0.61-m f/6.5 astrograph + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe,
    E. Magnier, A. Schultz, M. Willman.  Measurers S. Chastel, M. Huber,
    Y. Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, L. Denneau,
    J. Fairlamb, H. Flewelling, C.-C. Lin, E. Magnier.  1.8-m
    Ritchey-Chretien + CCD.
W85 Cerro Tololo-LCO A.  Observers T. Lister, J. Chatelain, E. Gomez,
    S. Greenstreet.  Measurer T. Lister.  1.0-m f/8.0 Ritchey-Chretien + CCD.
 
Orbital elements:
2019 BT2                                            PHA, Earth MOID = 0.0231 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M 152.66691              (2000.0)            P               Q
n   0.87486063     Peri.   65.66462     +0.93289087     -0.23501229
a   1.0827050      Node   306.76641     +0.04409157     +0.82659128
e   0.4922926      Incl.   19.91865     +0.35745007     +0.51138642
P   1.13           H   20.6           G   0.15           U   7
Residuals in seconds of arc
190110 F51  0.0   0.1+    190118 W85  0.0   0.0     190120 807  0.2+  0.1+
190110 F51  0.0   0.1-    190118 W85  0.1+  0.0     190127 807  0.1-  0.0
190117 F51  0.1+  0.0     190118 W85  0.0   0.1+    190127 807  0.1+  0.1+
190117 F51  0.1+  0.0     190118 W85  0.1-  0.2-    190127 807  0.0   0.1-
190117 F51  0.2-  0.0     190120 807  0.1-  0.2-
190118 W85  0.1-  0.0     190120 807  0.0   0.1+

Ephemeris:
2019 BT2                 a,e,i = 1.08, 0.49, 20                  q = 0.5497
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 12 28    13 37 06.6 -02 02 00   0.3806  0.9440    72.8    84.5    21.3
...
2019 01 12    12 55 18.2 -10 36 26   0.3617  1.0734    94.4    66.0    20.9
...
2019 01 20    12 27 07.7 -15 03 53   0.3528  1.1371   106.8    55.9    20.6
...
2019 01 26    12 01 57.1 -18 02 48   0.3494  1.1822   116.4    48.2    20.5
2019 01 27    11 57 24.7 -18 29 40   0.3493  1.1895   118.1    46.9    20.5
2019 01 28    11 52 46.8 -18 55 29   0.3493  1.1967   119.7    45.6    20.4
...
2019 02 03    11 23 20.7 -21 04 23   0.3529  1.2387   129.1    38.1    20.3
...
2019 02 11    10 42 06.9 -22 32 14   0.3692  1.2911   139.8    29.6    20.3
...
2019 02 26    09 35 47.5 -21 10 47   0.4394  1.3781   146.6    23.3    20.6

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-B117



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