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    • MPEC 2015-D50 : 2015 DJ155

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    M.P.E.C. 2015-D50                                Issued 2015 Feb. 21, 14:27 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  They are published
   on behalf of Commission 20 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@CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                  2015 DJ155

Observations:
     K15DF5J* C2015 02 19.24444 07 52 04.16 +22 24 00.2          20.5 VqED050G96
     K15DF5J  C2015 02 19.25362 07 52 08.61 +22 23 22.1          20.7 VqED050G96
     K15DF5J  C2015 02 19.25822 07 52 10.84 +22 23 02.5          20.5 VqED050G96
     K15DF5J  C2015 02 19.30148 07 52 31.77 +22 20 01.2          20.2 VqED050G96
     K15DF5J  C2015 02 19.30326 07 52 32.62 +22 19 53.3          20.2 VqED050G96
     K15DF5J  C2015 02 19.30502 07 52 33.48 +22 19 46.2          20.5 VqED050G96
     K15DF5J  C2015 02 19.30678 07 52 34.33 +22 19 38.9          20.7 VqED050G96
     K15DF5J KC2015 02 19.80378 07 56 46.22 +21 45 33.1                tED050204
     K15DF5J  C2015 02 19.80503 07 56 46.55 +21 45 22.9          20.7 VMED050033
     K15DF5J  C2015 02 19.81423 07 56 50.81 +21 44 46.4          20.7 VMED050033
     K15DF5J KC2015 02 19.81782 07 56 52.79 +21 44 38.2                tED050204
     K15DF5J KC2015 02 19.83186 07 56 59.33 +21 43 41.7          20.5 RtED050204
     K15DF5J  C2015 02 19.90548 07 57 33.28 +21 38 41.7          21.3 VMED050033
     K15DF5J  C2015 02 19.91236 07 57 36.43 +21 38 14.3          21.3 VMED050033
     K15DF5J  C2015 02 20.14282 07 59 29.50 +21 23 16.2          20.3 VqED050G96
     K15DF5J  C2015 02 20.14527 07 59 30.66 +21 23 07.0          21.5 VqED050G96
     K15DF5J  C2015 02 20.14650 07 59 31.15 +21 23 02.3          21.2 VqED050G96
     K15DF5J KC2015 02 20.20961 07 59 58.22 +21 18 46.9          20.8 RqED050H36
     K15DF5J KC2015 02 20.22732 08 00 06.22 +21 17 37.7          20.4 RqED050H36
     K15DF5J  C2015 02 21.30253 08 08 09.55 +20 09 16.1          21.3 VqED050G96
     K15DF5J  C2015 02 21.30303 08 08 09.74 +20 09 14.8          20.6 VqED050G96
     K15DF5J  C2015 02 21.30352 08 08 09.93 +20 09 12.7          21.6 VqED050G96

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers B. Stecklum,
    C. Hoegner.  Measurer B. Stecklum.  1.34-m f/4 Schmidt + CCD.
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.60-m f/4.64 reflector
    + CCD.
G96 Mt. Lemmon Survey.  Observer E. J. Christensen.  Measurers
    E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, R. E. Hill,
    J. A. Johnson, R. A. Kowalski, S. M. Larson, R. G. Matheny, F. C. Shelly.
    1.5-m reflector + CCD.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.

Orbital elements:
2015 DJ155                                               Earth MOID = 0.0332 AU
Epoch 2014 Dec. 9.0 TT = JDT 2457000.5                  MPC
M 348.74133              (2000.0)            P               Q
n   0.39624135     Peri.  126.44128     -0.08847672     -0.99525935
a   1.8358176      Node   328.56226     +0.88732020     -0.06033100
e   0.4805456      Incl.    4.44048     +0.45258671     -0.07628234
P   2.49           H   23.9           G   0.15           U   8
Residuals in seconds of arc
150219 G96  0.2-  0.2+    150219 033  0.8+  0.6-    150220 G96  0.4-  0.3+
150219 G96  0.1-  0.4+    150219 033  0.0   0.5-    150220 H36  0.7-  0.5-
150219 G96  0.0   0.0     150219 204  0.2-  0.3+    150220 H36  0.6+  0.5+
150219 G96  0.2+  0.2+    150219 204  0.2-  0.3-    150221 G96  0.2+  0.2-
150219 G96  0.0   0.2-    150219 033  0.2+  0.1-    150221 G96  0.1+  0.3+
150219 G96  0.2+  0.1+    150219 033  0.3-  0.1+    150221 G96  0.1-  0.1+
150219 G96  0.1+  0.2+    150220 G96  0.4-  0.1-
150219 204  0.3-  0.5-    150220 G96  0.4+  0.2+

Ephemeris:
2015 DJ155               a,e,i = 1.84, 0.48, 4                   q = 0.9536
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2015 01 22    00 46 05.6 +27 17 40   0.1195  0.9723    80.8    92.2    22.5
...
2015 02 06    04 30 44.9 +37 23 46   0.08236 1.0225   114.2    61.6    20.7
...
2015 02 14    06 55 13.7 +29 07 29   0.09599 1.0596   137.0    39.5    20.5
...
2015 02 20    07 58 18.9 +21 33 03   0.1206  1.0913   146.5    30.0    20.8
2015 02 21    08 05 59.2 +20 28 26   0.1256  1.0968   147.5    29.0    20.9
2015 02 22    08 13 03.1 +19 27 26   0.1307  1.1024   148.3    28.1    20.9
...
2015 02 28    08 45 49.4 +14 30 48   0.1650  1.1375   150.9    25.1    21.4
...
2015 03 08    09 13 56.6 +10 13 45   0.2184  1.1872   150.4    24.4    22.1
...
2015 03 23    09 46 54.4 +05 51 09   0.3380  1.2867   144.5    26.7    23.3

A. U. Tomatic                (C) Copyright 2015 MPC           M.P.E.C. 2015-D50

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