Orbit Fit and Astrometric record for 14WK509

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: 14WK509   
# Created Thu Oct 19 01:38:30 2017
# Orbit generated from Bernstein formalism
# Fitting   30 observations of   30
# Arc:   3.24y
# First observation: 2011/10/24
#  Last observation: 2015/01/21
Preliminary a, adot, b, bdot, g, gdot:
  -0.000094   0.015266  -0.000008   0.003717   0.019366   0.000000
# Chi-squared of fit:     4.90 DOF:   54 RMS:  0.07
# Min/Max residuals:    -0.25    0.17
# Exact a, adot, b, bdot, g, gdot:
  1.238761E-05  1.501096E-02  3.024372E-06  3.683242E-03  1.889694E-02 -3.052327E-03
# Covariance matrix:
  4.6698E-13 -5.5701E-13  5.1408E-14 -1.1437E-13 -5.1438E-13 -8.5704E-12
 -5.5701E-13  1.1929E-12 -1.3089E-13  2.9178E-13  1.2491E-12  2.1888E-11
  5.1408E-14 -1.3089E-13  2.9778E-13 -1.3160E-13 -1.2740E-13 -2.6442E-12
 -1.1437E-13  2.9178E-13 -1.3160E-13  1.1864E-13  2.8030E-13  5.9352E-12
 -5.1438E-13  1.2491E-12 -1.2740E-13  2.8030E-13  1.6094E-12  2.0873E-11
 -8.5704E-12  2.1888E-11 -2.6442E-12  5.9352E-12  2.0873E-11  4.4693E-10
#      lat0       lon0       xBary       yBary       zBary        JD0
    4.460992   58.724754    0.466075    0.068054   -0.872152  2455859.059856
# Heliocentric elements and errors
Epoch:              2455850.5000  =  2011/10/16
Mean Anomaly:          267.83145 +/-     0.218
Argument of Peri:      132.77765 +/-     0.148
Long of Asc Node:       40.91800 +/-     0.001
Inclination:            14.46459 +/-     0.001
Eccentricity:         0.20639758 +/-    0.0011
Semi-Major Axis:     51.29903355 +/-    0.0284
Time of Perihelion: 2490209.6536 +/-      76.1
Perihelion:          40.71103694 +/-    0.0629
Aphelion:            61.88703017 +/-    0.0680
Period (y)              367.4278 +/-      0.30
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           28.24491633 +/-    0.0018
Ecliptic Y           45.59868204 +/-    0.0030
Ecliptic Z            4.11617347 +/-    0.0003
Ecliptic XDOT        -0.00211286 +/-    0.0000
Ecliptic YDOT         0.00072187 +/-    0.0000
Ecliptic ZDOT         0.00049769 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   53.79552013 +/-    0.0027
Geocenter to KBO     52.91862321 +/-    0.0036
# Hcoef:  4.32

The following table shows the complete astrometric record for 14WK509. 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 (14WK509) followed by the observatory code and reference code for the source of the astrometry.

2011 10  24.55909  03 41 40.888  +24 13 26.52  21.6w 14WK509   F51  C~1vXr      
2011 10  24.57427  03 41 40.829  +24 13 26.40  21.7w 14WK509   F51  C~1vXr      
2011 10  24.58950  03 41 40.764  +24 13 26.34  21.5w 14WK509   F51  C~1vXr      
2012 10  22.54439  03 45 15.400  +24 37 33.56  21.6w 14WK509   F51  C~1vXr      
2012 10  22.55893  03 45 15.351  +24 37 33.48  21.7w 14WK509   F51  C~1vXr      
2012 10  22.57340  03 45 15.294  +24 37 33.29  21.5w 14WK509   F51  C~1vXr      
2012 10  22.58788  03 45 15.240  +24 37 33.21  21.7w 14WK509   F51  C~1vXr      
2013 12  03.29142  03 45 55.298  +24 54 45.32  21.4w 14WK509   F51  C~1vXr      
2013 12  03.30557  03 45 55.236  +24 54 45.18  21.4w 14WK509   F51  C~1vXr      
2013 12  03.31968  03 45 55.175  +24 54 44.97  21.4w 14WK509   F51  C~1vXr      
2013 12  03.33386  03 45 55.118  +24 54 44.81  21.4w 14WK509   F51  C~1vXr      
2014 11  22.48712  03 50 17.268  +25 20 46.91  21.3w 14WK509   F51  C~1vXr      
2014 11  22.49948  03 50 17.216  +25 20 46.96  21.3w 14WK509   F51  C~1vXr      
2014 11  22.51184  03 50 17.155  +25 20 46.65  21.4w 14WK509   F51  C~1vXr      
2014 11  22.52421  03 50 17.119  +25 20 46.57  21.5w 14WK509   F51  C~1vXr      
2014 12  09.44662  03 49 04.670  +25 17 31.47  20.9i 14WK509   F51  C~1vXr      
2014 12  09.44728  03 49 04.652  +25 17 31.53  20.9i 14WK509   F51  C~1vXr      
2014 12  09.45902  03 49 04.621  +25 17 31.36  21.1i 14WK509   F51  C~1vXr      
2014 12  09.45968  03 49 04.628  +25 17 31.32  20.7i 14WK509   F51  C~1vXr      
2014 12  09.47141  03 49 04.575  +25 17 31.18  20.9i 14WK509   F51  C~1vXr      
2014 12  09.47207  03 49 04.576  +25 17 31.05  20.8i 14WK509   F51  C~1vXr      
2014 12  09.48449  03 49 04.527  +25 17 31.11  20.8i 14WK509   F51  C~1vXr      
2015 01  19.32963  03 46 54.403  +25 09 52.02  21.7w 14WK509   F51  C~1vXr      
2015 01  19.34182  03 46 54.374  +25 09 51.94  21.8w 14WK509   F51  C~1vXr      
2015 01  19.35412  03 46 54.345  +25 09 51.71  21.4w 14WK509   F51  C~1vXr      
2015 01  19.36627  03 46 54.327  +25 09 51.66  21.5w 14WK509   F51  C~1vXr      
2015 01  21.28174  03 46 50.812  +25 09 34.73  21.6w 14WK509   F51  C~1vXr      
2015 01  21.29425  03 46 50.786  +25 09 34.70  21.6w 14WK509   F51  C~1vXr      
2015 01  21.30668  03 46 50.764  +25 09 34.53  21.5w 14WK509   F51  C~1vXr      
2015 01  21.31921  03 46 50.739  +25 09 34.43  21.5w 14WK509   F51  C~1vXr      

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     0.04       0.00     0.01
  2   0.0000     -0.81     0.02       0.07     0.01
  3   0.0001     -1.69    -0.06       0.21     0.08
  4   0.9965   3179.12    -0.05     756.32     0.01
  5   0.9966   3178.45     0.03     756.39     0.01
  6   0.9966   3177.65    -0.03     756.38    -0.08
  7   0.9967   3176.91    -0.03     756.46    -0.06
  8   2.1102   3936.08     0.06    1643.80    -0.02
  9   2.1102   3935.23     0.04    1643.85     0.01
 10   2.1102   3934.37     0.02    1643.83    -0.03
 11   2.1103   3933.58     0.08    1643.84    -0.04
 12   3.0799   7749.70    -0.08    2404.81    -0.05
 13   3.0799   7749.02    -0.00    2405.00     0.13
 14   3.0800   7748.15    -0.12    2404.88    -0.03
 15   3.0800   7747.65     0.14    2404.90    -0.03
 16   3.1263   6744.98    -0.06    2422.48     0.05
 17   3.1263   6744.75    -0.25    2422.59     0.16
 18   3.1264   6744.31    -0.01    2422.51     0.08
 19   3.1264   6744.39     0.11    2422.45     0.02
 20   3.1264   6743.66     0.06    2422.47     0.03
 21   3.1264   6743.64     0.08    2422.34    -0.10
 22   3.1264   6743.00     0.17    2422.54     0.10
 23   3.2382   4918.29     0.03    2353.87    -0.03
 24   3.2383   4917.89    -0.03    2353.88     0.01
 25   3.2383   4917.45    -0.12    2353.74    -0.09
 26   3.2383   4917.21    -0.02    2353.74    -0.04
 27   3.2436   4866.91     0.03    2347.57    -0.07
 28   3.2436   4866.56     0.01    2347.62     0.02
 29   3.2437   4866.23     0.00    2347.52    -0.04
 30   3.2437   4865.88    -0.02    2347.49    -0.02

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.

14WK509    quality flag:2

Type:       SCATEXTD  SCATNEAR  SCATEXTD

axisobj        51.420    51.501    51.340
ecceobj         0.204     0.208     0.201
incobj         14.444    14.444    14.444
qmin           39.612    39.510    39.675
qmax           63.118    63.354    62.886
amean          51.115    51.193    51.043
amin           50.648    50.716    50.581
amax           51.661    51.743    51.585
emean           0.210     0.213     0.207
emin            0.198     0.202     0.195
emax            0.222     0.225     0.219
imean          13.779    13.781    13.777
imin           13.397    13.406    13.392
imax           14.135    14.143    14.127
excite_mean     0.318     0.320     0.316
fracstop        1.000     1.000     1.000
cjmean          3.064     3.063     3.064

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       184.1     185.1     182.9
kozaiamp        180.0     180.0     180.0