Orbit Fit and Astrometric record for 14JB80

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: 14JB80    
# Created Tue Dec 12 02:38:04 2017
# Orbit generated from Bernstein formalism
# Fitting   39 observations of   39
# Arc:   3.29y
# First observation: 2011/05/01
#  Last observation: 2014/08/15
Preliminary a, adot, b, bdot, g, gdot:
  -0.000698   0.162690  -0.000368  -0.002598   0.113678   0.000000
# Chi-squared of fit:    18.23 DOF:   72 RMS:  0.12
# Min/Max residuals:    -0.39    0.21
# Exact a, adot, b, bdot, g, gdot:
  2.792502E-05  1.366026E-01 -8.827413E-07 -3.732232E-03  7.509456E-02 -3.120708E-02
# Covariance matrix:
  3.6684E-13 -3.0268E-13 -2.6353E-15  5.9591E-15 -9.1839E-14 -3.7571E-13
 -3.0268E-13  1.0474E-12  1.2737E-14 -2.8729E-14  5.0509E-13  1.9027E-12
 -2.6353E-15  1.2737E-14  3.2830E-13 -1.0637E-13  3.8663E-15  2.5874E-14
  5.9591E-15 -2.8729E-14 -1.0637E-13  3.8597E-14 -8.4725E-15 -5.8545E-14
 -9.1839E-14  5.0509E-13  3.8663E-15 -8.4725E-15  3.6021E-13  8.7077E-13
 -3.7571E-13  1.9027E-12  2.5874E-14 -5.8545E-14  8.7077E-13  3.6450E-12
#      lat0       lon0       xBary       yBary       zBary        JD0
   14.228226 -130.537060    0.159126    0.245243   -0.967407  2455682.926766
# Heliocentric elements and errors
Epoch:              2455680.5000  =  2011/04/29
Mean Anomaly:          331.78364 +/-     0.002
Argument of Peri:      153.33623 +/-     0.002
Long of Asc Node:      131.70201 +/-     0.000
Inclination:            13.34536 +/-     0.000
Eccentricity:         0.34312246 +/-    0.0000
Semi-Major Axis:     19.26418893 +/-    0.0007
Time of Perihelion: 2458101.0999 +/-       0.1
Perihelion:          12.65421295 +/-    0.0006
Aphelion:            25.87416491 +/-    0.0010
Period (y)               84.5540 +/-      0.00
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           -9.15474281 +/-    0.0001
Ecliptic Y          -10.46521072 +/-    0.0001
Ecliptic Z            3.27303522 +/-    0.0000
Ecliptic XDOT         0.00447813 +/-    0.0000
Ecliptic YDOT        -0.00241825 +/-    0.0000
Ecliptic ZDOT        -0.00041151 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   14.28435196 +/-    0.0001
Geocenter to KBO     13.31654436 +/-    0.0001
# Hcoef: 10.82

The following table shows the complete astrometric record for 14JB80. 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 (14JB80) followed by the observatory code and reference code for the source of the astrometry.

2011 05  01.42600  15 23 22.386  -03 52 19.32  22.3w 14JB80    F51  C~1vXR      
2011 05  01.44010  15 23 22.200  -03 52 18.69  21.9w 14JB80    F51  C~1vXR      
2011 05  01.45430  15 23 22.032  -03 52 17.67  22.2w 14JB80    F51  C~1vXR      
2011 05  01.46839  15 23 21.866  -03 52 16.76  22.4w 14JB80    F51  C~1vXR      
2013 07  02.32586  16 15 15.336  -08 03 57.14  22.2w 14JB80    F51  C~1vXR      
2013 07  02.33910  16 15 15.203  -08 03 57.32  22.1w 14JB80    F51  C~1vXR      
2013 07  02.35237  16 15 15.074  -08 03 57.64  22.2w 14JB80    F51  C~1vXR      
2013 07  02.36560  16 15 14.952  -08 03 57.94  22.1w 14JB80    F51  C~1vXR      
2014 05  07.50171  17 01 54.500  -10 27 23.59  21.9w 14JB80    F51  C~1vXR      
2014 05  07.51437  17 01 54.369  -10 27 23.04  22.4w 14JB80    F51  C~1vXR      
2014 05  07.52705  17 01 54.225  -10 27 22.55  22.0w 14JB80    F51  C~1vXR      
2014 05  07.53972  17 01 54.075  -10 27 22.05  22.0w 14JB80    F51  C~1vXR      
2014 05  28.38590  16 57 43.124  -10 17 56.61  22.0w 14JB80    F51  C~1vXR      
2014 05  28.39863  16 57 42.956  -10 17 56.62  21.8w 14JB80    F51  C~1vXR      
2014 05  28.41133  16 57 42.769  -10 17 56.53  21.9w 14JB80    F51  C~1vXR      
2014 05  28.42403  16 57 42.608  -10 17 56.15  22.0w 14JB80    F51  C~1vXR      
2014 06  24.38365  16 51 50.153  -10 15 38.48  22.1w 14JB80    F51  C~1vXR      
2014 06  24.39647  16 51 49.997  -10 15 38.60  22.0w 14JB80    F51  C~1vXR      
2014 06  24.40929  16 51 49.831  -10 15 38.59  21.9w 14JB80    F51  C~1vXR      
2014 06  24.42208  16 51 49.672  -10 15 38.81  22.0w 14JB80    F51  C~1vXR      
2014 07  02.33095  16 50 16.310  -10 17 27.64  21.9w 14JB80    F51  C~1vXR      
2014 07  02.34357  16 50 16.158  -10 17 27.85  22.4w 14JB80    F51  C~1vXR      
2014 07  02.35618  16 50 16.018  -10 17 28.15  22.3w 14JB80    F51  C~1vXR      
2014 07  02.36878  16 50 15.860  -10 17 28.33  22.1w 14JB80    F51  C~1vXR      
2014 07  04.33759  16 49 54.057  -10 18 06.13  21.8i 14JB80    F51  C~1vXR      
2014 07  04.35053  16 49 53.906  -10 18 06.61  21.6i 14JB80    F51  C~1vXR      
2014 07  04.36345  16 49 53.766  -10 18 06.97  21.6i 14JB80    F51  C~1vXR      
2014 07  04.37636  16 49 53.600  -10 18 07.25  21.7i 14JB80    F51  C~1vXR      
2014 07  26.31945  16 46 42.144  -10 29 56.26  22.0w 14JB80    F51  C~1vXR      
2014 07  26.33134  16 46 42.075  -10 29 56.63  22.1w 14JB80    F51  C~1vXR      
2014 07  26.34320  16 46 41.992  -10 29 57.24  22.2w 14JB80    F51  C~1vXR      
2014 07  26.35507  16 46 41.922  -10 29 57.55  22.1w 14JB80    F51  C~1vXR      
2014 08  14.27653  16 45 33.270  -10 46 27.98  22.0w 14JB80    F51  C~1vXR      
2014 08  14.28883  16 45 33.246  -10 46 28.87  22.5w 14JB80    F51  C~1vXR      
2014 08  14.30120  16 45 33.240  -10 46 29.55  22.1w 14JB80    F51  C~1vXR      
2014 08  15.26514  16 45 32.474  -10 47 27.87  22.3w 14JB80    F51  C~1vXR      
2014 08  15.27748  16 45 32.474  -10 47 28.77  22.1w 14JB80    F51  C~1vXR      
2014 08  15.28989  16 45 32.460  -10 47 29.32  22.1w 14JB80    F51  C~1vXR      
2014 08  15.30229  16 45 32.448  -10 47 30.19  22.2w 14JB80    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     0.17       0.00     0.02
  2   0.0000     -2.85    -0.04      -0.11    -0.20
  3   0.0001     -5.54    -0.07       0.22     0.02
  4   0.0001     -8.18    -0.06       0.46     0.14
  5   2.1708  49657.24     0.01   -3118.14     0.01
  6   2.1709  49655.26    -0.06   -3118.80     0.08
  7   2.1709  49653.37    -0.03   -3119.58     0.02
  8   2.1710  49651.58     0.09   -3120.32    -0.00
  9   3.0173  97456.08     0.12   -2367.26    -0.05
 10   3.0174  97453.63     0.21   -2367.10     0.09
 11   3.0174  97450.97     0.09   -2367.05     0.13
 12   3.0174  97448.19    -0.15   -2367.01     0.15
 13   3.0745  92912.85     0.09   -2593.33     0.20
 14   3.0745  92909.93     0.18   -2593.90    -0.05
 15   3.0746  92906.67    -0.08   -2594.43    -0.26
 16   3.0746  92903.78     0.03   -2594.56    -0.08
 17   3.1484  86821.45    -0.15   -3625.84    -0.06
 18   3.1484  86818.83    -0.06   -3626.49    -0.05
 19   3.1485  86816.01    -0.17   -3627.03     0.07
 20   3.1485  86813.37    -0.11   -3627.80    -0.03
 21   3.1702  85261.24     0.08   -4055.40    -0.06
 22   3.1702  85258.73    -0.04   -4056.13    -0.06
 23   3.1702  85256.44     0.07   -4056.92    -0.12
 24   3.1703  85253.82    -0.16   -4057.63    -0.11
 25   3.1757  84895.78    -0.10   -4170.52     0.16
 26   3.1757  84893.36    -0.14   -4171.53    -0.08
 27   3.1757  84891.09    -0.04   -4172.38    -0.17
 28   3.1758  84888.36    -0.39   -4173.23    -0.26
 29   3.2358  81860.25    -0.02   -5559.53    -0.13
 30   3.2359  81859.20     0.08   -5560.15     0.05
 31   3.2359  81857.97    -0.00   -5561.07    -0.07
 32   3.2359  81856.88     0.06   -5561.63     0.17
 33   3.2877  80966.52     0.09   -6831.11     0.16
 34   3.2878  80966.34    -0.02   -6832.13    -0.03
 35   3.2878  80966.42     0.11   -6832.86     0.07
 36   3.2905  80968.51    -0.02   -6896.73     0.11
 37   3.2905  80968.74     0.21   -6897.68    -0.01
 38   3.2905  80968.64     0.11   -6898.30     0.20
 39   3.2906  80968.67     0.13   -6899.26     0.07

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.

14JB80    quality flag:3

Type:       CENTAURR  CENTAURR  CENTAURR

axisobj        19.231    19.232    19.230
ecceobj         0.343     0.343     0.343
incobj         13.352    13.352    13.352
qmin           11.732    10.365    11.962
qmax           26.047    27.950    25.852
amean          18.803    18.975    18.781
amin           18.571    18.183    18.553
amax           19.231    19.566    19.230
emean           0.362     0.402     0.350
emin            0.338     0.339     0.337
emax            0.374     0.452     0.364
imean          12.817    13.261    12.441
imin           11.927    11.927    11.927
imax           13.260    14.667    12.898
excite_mean     0.424     0.463     0.411
fracstop        0.004     0.008     0.003
cjmean          3.038     3.000     3.048

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       196.5     193.6     201.1
kozaiamp         40.2     179.2      40.8