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  • MPEC 2015-X126: 2015 XN169

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    M.P.E.C. 2015-X126                               Issued 2015 Dec. 10, 14:24 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@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                      2015 XN169
    
    Observations:
         K15XG9N* C2015 12 08.27149 05 11 59.16 +18 50 39.3          19.7 VqEX126G96
         K15XG9N  C2015 12 08.27769 05 11 57.19 +18 50 18.6          19.6 VqEX126G96
         K15XG9N  C2015 12 08.28384 05 11 55.25 +18 49 57.9          19.4 VqEX126G96
         K15XG9N  C2015 12 08.28994 05 11 53.29 +18 49 36.5          19.8 VqEX126G96
         K15XG9N  C2015 12 08.32171905 11 43.06 +18 47 47.0          20.4 VtEX126H01
         K15XG9N  C2015 12 08.33168005 11 39.89 +18 47 12.8          20.5 VtEX126H01
         K15XG9N  C2015 12 08.33526205 11 38.76 +18 47 00.5          20.5 VtEX126H01
         K15XG9N  C2015 12 08.34308805 11 36.26 +18 46 33.5          20.4 VtEX126H01
         K15XG9N  C2015 12 08.38769 05 11 22.20 +18 44 00.9          19.5 VqEX126G96
         K15XG9N  C2015 12 08.39382 05 11 20.25 +18 43 39.6          19.4 VqEX126G96
         K15XG9N  C2015 12 08.39996 05 11 18.32 +18 43 18.2          18.4 VqEX126G96
         K15XG9N  C2015 12 08.46375 05 10 58.23 +18 39 37.1          19.3 VqEX126I52
         K15XG9N  C2015 12 08.46697 05 10 57.23 +18 39 25.2          18.9 VqEX126I52
         K15XG9N  C2015 12 08.46999 05 10 56.26 +18 39 15.0          18.9 VqEX126I52
         K15XG9N KC2015 12 08.79683 05 09 19.54 +18 20 21.8                qEX126587
         K15XG9N KC2015 12 08.79802 05 09 19.15 +18 20 17.8                qEX126587
         K15XG9N KC2015 12 08.80339 05 09 17.48 +18 19 59.8                qEX126587
         K15XG9N KC2015 12 08.80478 05 09 17.03 +18 19 55.0          19.7 RqEX126587
         K15XG9N  C2015 12 08.82971 05 09 09.13 +18 18 27.6          20.5 VSEX126033
         K15XG9N  C2015 12 08.83208 05 09 08.41 +18 18 19.5          20.4 VSEX126033
         K15XG9N  C2015 12 08.83444 05 09 07.67 +18 18 11.4          20.1 VSEX126033
         K15XG9N  C2015 12 08.84182 05 09 05.43 +18 17 48.8          19.6 RqEX126246
         K15XG9N  C2015 12 08.84202 05 09 05.31 +18 17 46.8                qEX126246
         K15XG9N  C2015 12 08.84222 05 09 05.24 +18 17 47.0                qEX126246
         K15XG9N  C2015 12 08.84239 05 09 05.22 +18 17 45.1                qEX126246
         K15XG9N  C2015 12 08.84386 05 09 04.73 +18 17 39.0                qEX126246
         K15XG9N  C2015 12 08.86263 05 08 58.78 +18 16 36.3                qEX126246
         K15XG9N  C2015 12 08.86358 05 08 58.54 +18 16 32.8                qEX126246
         K15XG9N  C2015 12 08.90166 05 08 46.61 +18 14 20.7          20.5 VSEX126033
         K15XG9N  C2015 12 08.90639 05 08 45.13 +18 14 04.5          20.4 VSEX126033
         K15XG9N KC2015 12 08.96341 05 08 27.46 +18 10 47.1                qEX126J95
         K15XG9N KC2015 12 08.96767 05 08 26.11 +18 10 32.7                qEX126J95
         K15XG9N KC2015 12 08.97186 05 08 24.78 +18 10 18.4          19.8 RqEX126J95
         K15XG9N  C2015 12 09.03032 05 08 06.06 +18 06 55.5          21.1 VSEX126033
         K15XG9N  C2015 12 09.03506 05 08 04.57 +18 06 38.9          20.8 VSEX126033
         K15XG9N KC2015 12 09.21675 05 07 10.19 +17 56 15.5          19.6 RqEX126H36
         K15XG9N KC2015 12 09.23782 05 07 03.48 +17 55 01.6          19.4 RqEX126H36
         K15XG9N  C2015 12 09.24979305 07 00.13 +17 54 22.9          21.1 VtEX126H01
         K15XG9N  C2015 12 09.25927605 06 57.11 +17 53 50.1          20.6 VtEX126H01
         K15XG9N KC2015 12 09.26283 05 06 55.58 +17 53 34.8          20.2 RqEX126H36
         K15XG9N  C2015 12 09.26770105 06 54.45 +17 53 20.9          20.4 VtEX126H01
         K15XG9N  C2015 12 09.27270305 06 52.85 +17 53 03.5          20.9 VtEX126H01
         K15XG9N  C2015 12 09.32882 05 06 35.12 +17 49 49.8          20.1 RuEX126926
         K15XG9N  C2015 12 09.33328 05 06 33.66 +17 49 34.2          20.2 RuEX126926
         K15XG9N  C2015 12 09.33774 05 06 32.28 +17 49 18.9          20.5 RuEX126926
         K15XG9N HC2015 12 10.02473 05 03 02.32 +17 09 08.4          20.3 RqEX126204
         K15XG9N KC2015 12 10.03428 05 02 59.34 +17 08 34.0                qEX126204
         K15XG9N IC2015 12 10.04618 05 02 55.58 +17 07 52.2                qEX126204
         K15XG9N  C2015 12 10.30795405 01 36.36 +16 52 38.9          20.9 VtEX126H01
         K15XG9N  C2015 12 10.31356805 01 34.58 +16 52 19.2          20.5 VtEX126H01
         K15XG9N  C2015 12 10.32163805 01 32.02 +16 51 50.7          20.5 VtEX126H01
         K15XG9N  C2015 12 10.32864605 01 29.80 +16 51 25.8          20.5 VtEX126H01
         K15XG9N  C2015 12 10.36343 05 01 18.87 +16 49 23.8          20.4 VqEX126I52
         K15XG9N  C2015 12 10.36629 05 01 17.95 +16 49 12.6          19.9 VqEX126I52
         K15XG9N  C2015 12 10.36914 05 01 17.09 +16 49 03.5          20.4 VqEX126I52
         K15XG9N  C2015 12 10.37196 05 01 16.09 +16 48 52.9                qEX126I52
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers B. Stecklum,
        C. Hoegner.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.60-m f/4.64 reflector
        + CCD.
    246 Klet Observatory-KLENOT.  Observers M. Tichy, J. Ticha, M. Kocer.
        Measurer M. Tichy.  1.06-m KLENOT Telescope + CCD.
    587 Sormano.  Observers E. Colzani, A. Testa.  Measurer A. Testa.  0.5-m f/6.8
        reflector + CCD.
    926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
        M. Schwartz.  0.41-m f/3.75 astrograph + CCD.
    G96 Mt. Lemmon Survey.  Observer D. C. Fuls.  Measurers E. J. Christensen,
        D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
        S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
        1.5-m reflector + CCD.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
        Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observers A. R. Gibbs,
        R. A. Kowalski.  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.  1.0-m reflector + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2015 XN169                                               Earth MOID = 0.2069 AU
    Epoch 2016 Jan. 13.0 TT = JDT 2457400.5                 MPC
    M 241.56832              (2000.0)            P               Q
    n   1.13643899     Peri.  352.56685     -0.39847495     +0.86850883
    a   0.9094356      Node   253.57453     -0.82488814     -0.47988129
    e   0.3808485      Incl.   17.89952     -0.40097040     +0.12412231
    P   0.87           H   22.3           G   0.15           U   9
    Residuals in seconds of arc
    151208 G96  0.0   0.4-    151208 033  0.3+  0.1-    151209 H01  0.1+  0.0
    151208 G96  0.0   0.0     151208 033  0.2+  0.1-    151209 H36  0.1+  0.4-
    151208 G96  0.2+  0.3+    151208 246  1.2+  1.3+    151209 H01  0.4+  0.1+
    151208 G96  0.0   0.3-    151208 246  0.3+  0.0     151209 H01  0.3+  0.0
    151208 H01  0.1+  0.0     151208 246  0.2+  0.9+    151209 926  0.3+  0.1+
    151208 H01  0.1+  0.0     151208 246  0.7+  0.4-    151209 926  0.3-  0.1+
    151208 H01  0.2+  0.0     151208 246  0.3+  1.5-    151209 926  0.3+  0.4+
    151208 H01  0.1+  0.1-    151208 246  0.6-  0.2+    151210 204  0.1-  0.3+
    151208 G96  0.0   0.1+    151208 246  0.2+  0.1-    151210 204  0.2+  0.4-
    151208 G96  0.1-  0.0     151208 033  0.3+  0.1-    151210 204  0.0   0.2-
    151208 G96  0.1+  0.1-    151208 033  0.4+  0.0     151210 H01  0.4+  0.1+
    151208 I52  0.1+  0.3+    151208 J95  0.2-  0.2-    151210 H01  0.4+  0.2+
    151208 I52  0.2+  0.4-    151208 J95  0.3-  0.2+    151210 H01  0.4+  0.2+
    151208 I52  0.1-  0.1-    151208 J95  0.5-  0.3+    151210 H01  0.4+  0.1+
    151208 587  0.1+  0.3-    151209 033  0.0   0.1+    151210 I52  0.0   0.2+
    151208 587  0.2-  0.2-    151209 033  0.0   0.0     151210 I52  0.3-  0.8-
    151208 587  0.2-  0.1+    151209 H36  0.1-  0.5+    151210 I52  0.3+  0.2+
    151208 587  0.5-  0.0     151209 H36  0.5-  0.5-    151210 I52  1.2-  0.4-
    151208 033  0.0   0.1-    151209 H01  0.2+  0.0
    
    Ephemeris:
    2015 XN169               a,e,i = 0.91, 0.38, 18                  q = 0.5631
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2015 11 10    06 55 14.3 +35 38 22   0.3883  1.2523   124.6    40.6    22.3
    ...
    2015 11 25    06 13 46.0 +29 15 59   0.3018  1.2548   148.6    24.2    21.3
    ...
    2015 12 03    05 38 23.0 +23 33 53   0.2708  1.2496   165.2    11.6    20.7
    ...
    2015 12 09    05 08 16.2 +18 09 02   0.2584  1.2426   175.1     3.9    20.2
    2015 12 10    05 03 10.7 +17 10 54   0.2573  1.2412   174.3     4.5    20.2
    2015 12 11    04 58 06.4 +16 12 06   0.2566  1.2398   172.8     5.7    20.3
    ...
    2015 12 17    04 28 51.8 +10 16 38   0.2585  1.2294   159.3    16.4    20.7
    ...
    2015 12 25    03 55 56.5 +03 07 36   0.2757  1.2115   141.5    30.4    21.2
    ...
    2016 01 09    03 17 55.0 -05 48 53   0.3353  1.1655   115.0    49.9    22.1
    
    A. U. Tomatic                (C) Copyright 2015 MPC           M.P.E.C. 2015-X126
    

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