Orbit Fit and Astrometric record for 14JF80

The following information shows the result of the orbit fit based on Gary Bernstein's method. Most of the information should be self-explanatory. Take special note that while the original Bernstein software works with barycentric coordinates, we convert these results into a heliocentric coordinate system.

# Object: 14JF80    
# Created Sun Oct 22 01:38:25 2017
# Orbit generated from Bernstein formalism
# Fitting   28 observations of   29
# Arc:   3.30y
# First observation: 2014/05/07
#  Last observation: 2017/08/24
Preliminary a, adot, b, bdot, g, gdot:
   0.000355   0.095651  -0.000614   0.011508   0.057911   0.000000
# WARNING -- MRQMIN stopped after  19 iterations
# Chi-squared of fit:    34.28 DOF:   50 RMS:  0.20
# Min/Max residuals:    -0.60    0.44
# Exact a, adot, b, bdot, g, gdot:
  2.674584E-05  8.675040E-02  2.571869E-06  1.048542E-02  5.145542E-02 -7.830920E-03
# Covariance matrix:
  1.2283E-13 -1.7414E-14 -1.1052E-14 -5.8452E-15  8.9399E-14 -5.6519E-14
 -1.7414E-14  5.4767E-13 -6.1716E-14  7.1750E-14  3.6098E-13  1.9666E-12
 -1.1052E-14 -6.1716E-14  9.7616E-14 -4.5258E-14 -6.2170E-14 -2.0289E-13
 -5.8452E-15  7.1750E-14 -4.5258E-14  4.9192E-14  3.1306E-14  3.1246E-13
  8.9399E-14  3.6098E-13 -6.2170E-14  3.1306E-14  4.1789E-13  1.0853E-12
 -5.6519E-14  1.9666E-12 -2.0289E-13  3.1246E-13  1.0853E-12  8.1396E-12
#      lat0       lon0       xBary       yBary       zBary        JD0
   11.568548  -39.240196    1.007016   -0.013571    0.066561  2456785.098558
# Heliocentric elements and errors
Epoch:              2456780.5000  =  2014/05/03
Mean Anomaly:          350.55833 +/-     0.002
Argument of Peri:       83.95038 +/-     0.006
Long of Asc Node:      261.17342 +/-     0.000
Inclination:            13.81523 +/-     0.000
Eccentricity:         0.44317982 +/-    0.0000
Semi-Major Axis:     33.69070512 +/-    0.0029
Time of Perihelion: 2458653.8107 +/-       0.4
Perihelion:          18.75966462 +/-    0.0022
Aphelion:            48.62174563 +/-    0.0044
Period (y)              195.5570 +/-      0.02
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           14.05509489 +/-    0.0002
Ecliptic Y          -12.77852208 +/-    0.0002
Ecliptic Z            3.89746352 +/-    0.0001
Ecliptic XDOT         0.00251168 +/-    0.0000
Ecliptic YDOT         0.00390048 +/-    0.0000
Ecliptic ZDOT         0.00046314 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   19.39140379 +/-    0.0002
Geocenter to KBO     19.43429681 +/-    0.0002
# Hcoef:  8.80

The following table shows the complete astrometric record for 14JF80. The first three columns show the date of observation. The next six columns are RA and DEC. The next column (when provided) is the observed magnitude and filter. The next column is the object name (14JF80) followed by the observatory code and reference code for the source of the astrometry.

2014 05  07.59778  21 17 56.794  -03 35 03.97  22.0w 14JF80    F51  C~1vXS      
2014 05  07.60242  21 17 56.808  -03 35 03.73  22.0w 14JF80    F51  C~1vXS      
2014 05  07.60707  21 17 56.826  -03 35 03.46  21.8w 14JF80    F51  C~1vXS      
2014 05  07.61175  21 17 56.846  -03 35 03.22  21.8w 14JF80    F51  C~1vXS      
2014 06  03.53629  21 18 13.692  -03 13 41.28  22.1w 14JF80    F51  C~1vXS      
2014 06  03.54893  21 18 13.666  -03 13 40.77  21.9w 14JF80    F51  C~1vXS      
2014 06  03.56155  21 18 13.639  -03 13 40.49  22.1w 14JF80    F51  C~1vXS      
2014 06  03.57408  21 18 13.623  -03 13 39.95  21.9w 14JF80    F51  C~1vXS      
2014 07  01.55317  21 16 13.820  -03 04 55.74  21.8w 14JF80    F51  C~1vXS      
2014 07  01.56529  21 16 13.740  -03 04 55.77  21.6w 14JF80    F51  C~1vXS      
2014 07  01.57741  21 16 13.659  -03 04 55.67  21.8w 14JF80    F51  C~1vXS      
2014 07  01.58951  21 16 13.585  -03 04 55.67  21.8w 14JF80    F51  C~1vXS      
2014 08  20.37008  21 09 19.748  -03 22 44.05  21.7w 14JF80    F51  C~1vXS      
2014 08  20.38282  21 09 19.637  -03 22 44.62  21.6w 14JF80    F51  C~1vXS      
2014 08  20.39561  21 09 19.524  -03 22 45.07  21.8w 14JF80    F51  C~1vXS      
2014 08  20.40838  21 09 19.407  -03 22 45.56  21.7w 14JF80    F51  C~1vXS      
2015 07  28.43148  21 32 08.451  -00 54 24.94  21.3i 14JF80    F51  C~240s      
2015 07  28.44408  21 32 08.341  -00 54 25.26  21.4i 14JF80    F51  C~240s      
2015 07  28.45667  21 32 08.235  -00 54 25.51  21.3i 14JF80    F51  C~240s      
2015 07  28.46926  21 32 08.146  -00 54 26.18  21.2i 14JF80    F51  C~240s      
2016 09  10.21198  21 45 24.06   +00 54 15.5   21.4V 14JF80    G96  C~240s      
2016 09  10.24023  21 45 23.87   +00 54 13.5   21.4V 14JF80    G96  C~240s      
2016 09  10.26857  21 45 23.59   +00 54 12.2   21.3V 14JF80    G96  C~240s      
2016 09  10.29728  21 45 23.38   +00 54 10.1   21.1V 14JF80    G96  C~240s      
2016 10  24.04164  21 41 45.19   +00 15 37.1   20.5R 14JF80    W67  C~240s      
2016 10  24.10099  21 41 45.12   +00 15 34.9   20.8R 14JF80    W67  C~240s      
2017 08  24.46583  22 07 53.185  +03 29 20.22  21.5w 14JF80    F51  C~2Jcn      
2017 08  24.47716  22 07 53.034  +03 29 19.68  21.6w 14JF80    F51  C~2Jcn      
2017 08  24.49971  22 07 52.824  +03 29 18.55  21.3w 14JF80    F51  C~2Jcn      

The following table shows the residuals to the orbit fit. The first coumn is the point number. The second column is the time, in years, measured from the first observation. The third and fifth columns are the regularized positions used in the orbit fit. The fourth and sixth columns are the residuals, in arc seconds, for RA and Dec respectively.

  1   0.0000      0.00    -0.02       0.00     0.13
  2   0.0000      0.27    -0.03       0.16     0.10
  3   0.0000      0.61     0.02       0.34     0.07
  4   0.0000      0.97     0.09       0.47     0.01
  5   0.0738    636.66    -0.10    1141.94    -0.06
  6   0.0738    636.45    -0.07    1142.54     0.01
  7   0.0738    636.15    -0.13    1142.93    -0.13
  8   0.0739    636.09     0.05    1143.52    -0.07
  9   0.1505   -909.05    -0.02    2195.81     0.04
 10   0.1505   -910.20    -0.05    2196.15    -0.03
 11   0.1505   -911.32    -0.04    2196.62     0.04
 12   0.1506   -912.38     0.03    2196.96    -0.02
 13   0.2869  -7141.87    -0.05    3086.65     0.09
 14   0.2869  -7143.63    -0.02    3086.61     0.02
 15   0.2869  -7145.38     0.02    3086.70     0.09
 16   0.2870  -7147.20    -0.01    3086.77     0.13
 17   1.2234  15153.93     0.17    5216.77    -0.06
 18   1.2234  15152.26     0.15    5216.98    -0.10
 19   1.2234  15150.66     0.21    5217.24    -0.08
 20   1.2235  15149.17     0.38    5217.01    -0.54
 21   2.3453  28690.95    -0.36    7737.73     0.42
 22   2.3454  28687.55     0.06    7736.69    -0.21
 23   2.3454  28683.07    -0.60    7736.75     0.26
 24   2.3455  28679.34    -0.45    7735.72    -0.37
 25   2.4653  24779.68     0.12    6537.17    -0.02
 26   2.4654  24777.96     0.44    6535.39     0.30
 27   3.2987  51692.41 (   0.88)  10456.61 (  -0.16)
 28   3.2988  51689.94     0.16   10456.78     0.03
 29   3.2988  51686.39     0.06   10456.65    -0.05

The following table comes from a 10My integration of the orbit of the object. Three columns are shown. The first column is the result of integrating the nominal orbit. The other two columns are based on clones of the nominal orbit that are +/- 3 sigma from the nominal orbit. If all three types agree then the classificiation is deemed secure. The basis for these calculations is described in more detail in AJ, 129, 1117 (2005). Any use made of these calculations should refer to and credit this publication and the Deep Ecliptic Survey Team.

14JF80    quality flag:3

Type:       CENTAURR  CENTAURR  CENTAURR

axisobj        33.770    33.777    33.764
ecceobj         0.446     0.446     0.446
incobj         13.832    13.832    13.832
qmin           18.544    17.781    18.609
qmax           51.599    50.226    50.502
amean          34.621    33.270    34.273
amin           33.464    32.527    33.548
amax           35.384    34.307    34.861
emean           0.446     0.447     0.446
emin            0.434     0.437     0.439
emax            0.468     0.475     0.452
imean          15.296    15.564    15.084
imin           13.815    14.696    14.839
imax           16.353    16.228    15.400
excite_mean     0.519     0.522     0.516
fracstop        0.023     0.016     0.008
cjmean          2.724     2.719     2.725

libcent 0      -180.0    -180.0    -180.0
libamp  0      -180.0    -180.0    -180.0
libcent 1      -180.0    -180.0    -180.0
libamp  1      -180.0    -180.0    -180.0
libcent 2      -180.0    -180.0    -180.0
libamp  2      -180.0    -180.0    -180.0
libcent 3      -180.0    -180.0    -180.0
libamp  3      -180.0    -180.0    -180.0
libcent 4      -180.0    -180.0    -180.0
libamp  4      -180.0    -180.0    -180.0

kozaimean       118.0     113.3      97.2
kozaiamp         36.8      32.6      12.4