Orbit Fit and Astrometric record for 14TD116

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: 14TD116   
# Created Sun Nov 24 02:10:02 2024
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting     22 observations of     22
# Arc:  14.82y
# First observation: 2003/11/20
#  Last observation: 2018/09/14
# Chi-squared of fit:     7.12 DOF:     38 RMS:  0.10
# Min/Max residuals:    -0.33    0.21
# Exact a, adot, b, bdot, g, gdot:
  1.693095E-05  2.728176E-02 -2.766268E-06 -3.977580E-03  2.575739E-02  3.036042E-03
# Covariance matrix:
  7.3121E-13 -1.1299E-13 -1.2134E-14  9.1826E-15 -5.3010E-14 -1.5865E-13
 -1.1299E-13  5.1261E-14  8.6846E-15 -6.6559E-15  1.7957E-14  1.1360E-13
 -1.2134E-14  8.6846E-15  6.4597E-13 -5.1160E-14  9.6018E-15  2.2309E-14
  9.1826E-15 -6.6559E-15 -5.1160E-14  5.2567E-15 -5.7800E-15 -1.6769E-14
 -5.3010E-14  1.7957E-14  9.6018E-15 -5.7800E-15  3.9737E-13  1.2465E-13
 -1.5865E-13  1.1360E-13  2.2309E-14 -1.6769E-14  1.2465E-13  2.9162E-13
#      lat0       lon0       xBary       yBary       zBary        JD0
   -4.297091   -3.479650   -0.859488   -0.036376   -0.484634  2452963.601913
# Heliocentric elements and errors
Epoch:              2452964.5000  =  2003/11/21
Mean Anomaly:           33.27334 +/-     0.012
Argument of Peri:      158.70513 +/-     0.017
Long of Asc Node:      150.74577 +/-     0.001
Inclination:             9.27095 +/-     0.000
Eccentricity:         0.19704386 +/-    0.0001
Semi-Major Axis:     46.22862495 +/-    0.0056
Time of Perihelion: 2442353.4390 +/-       4.4
Perihelion:          37.11955832 +/-    0.0053
Aphelion:            55.33769158 +/-    0.0073
Period (y)              314.3219 +/-      0.06
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           39.17735795 +/-    0.0009
Ecliptic Y           -1.51758377 +/-    0.0001
Ecliptic Z           -2.90908627 +/-    0.0001
Ecliptic XDOT         0.00046110 +/-    0.0000
Ecliptic YDOT         0.00287077 +/-    0.0000
Ecliptic ZDOT        -0.00044563 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   39.31443136 +/-    0.0009
Geocenter to KBO     38.82378332 +/-    0.0010
# Hcoef:  7.23

The following table shows the complete astrometric record for 14TD116. 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 (14TD116) followed by the observatory code and reference code for the source of the astrometry.

2003 11  20.10117  23 54 04.69   -05 19 33.1   22.8R 14TD116   695  C~55SP      
2003 11  20.18620  23 54 04.53   -05 19 33.7         14TD116   695  C~55SP      
2013 09  10.34505  00 57 46.321  -00 41 21.76  24.4g 14TD116   W84  C~55SP      
2013 09  10.34643  00 57 46.306  -00 41 21.69  23.5r 14TD116   W84  C~55SP      
2014 10  02.30787  01 01 52.676  -00 28 24.35  23.3r 14TD116   W84  C~55SP      
2014 10  28.21009  00 59 56.957  -00 40 36.09  23.1r 14TD116   W84  C~55SP      
2014 11  18.15804  00 58 37.099  -00 47 34.68  22.7z 14TD116   W84  C~55SP      
2015 09  04.30138  01 09 22.312  +00 10 01.10  22.9i 14TD116   W84  C~55SP      
2016 08  16.39811  01 15 42.458  +00 41 34.69  22.9z 14TD116   W84  C~55SP      
2016 08  16.39950  01 15 42.454  +00 41 34.49  22.9i 14TD116   W84  C~55SP      
2016 08  26.32686  01 15 18.328  +00 37 28.21  23.0r 14TD116   W84  C~55SP      
2016 11  03.18141  01 10 37.820  +00 04 46.17  23.4r 14TD116   W84  C~55SP      
2016 11  06.17658  01 10 25.639  +00 03 40.95  22.7i 14TD116   W84  C~55SP      
2017 08  22.34518  01 20 56.125  +01 02 37.55  24.0r 14TD116   W84  C~55SP      
2017 08  22.34654  01 20 56.114  +01 02 37.42  23.0i 14TD116   W84  C~55SP      
2017 08  22.34792  01 20 56.114  +01 02 37.40  24.3g 14TD116   W84  C~55SP      
2017 08  22.41422  01 20 55.948  +01 02 35.57  22.9i 14TD116   W84  C~55SP      
2017 08  27.37907  01 20 43.230  +01 00 29.75  23.9r 14TD116   W84  C~55SP      
2017 09  18.26904  01 19 28.815  +00 50 05.35  23.3r 14TD116   W84  C~55SP      
2017 09  18.27042  01 19 28.802  +00 50 05.51  24.2g 14TD116   W84  C~55SP      
2018 09  14.35386  01 25 10.897  +01 15 28.33  23.6r 14TD116   W84  C~55SP      
2018 09  14.35523  01 25 10.890  +01 15 28.35  23.2i 14TD116   W84  C~55SP      

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    -0.06       0.00     0.05
     2   0.0002      0.00     0.03       0.00     0.12
     3   9.8076      0.00     0.11       0.00    -0.14
     4   9.8077      0.00    -0.03       0.00    -0.03
     5  10.8671      0.00     0.11       0.00     0.00
     6  10.9380      0.00     0.10       0.00    -0.33
     7  10.9954      0.00    -0.03       0.00    -0.16
     8  11.7897      0.00    -0.03       0.00    -0.10
     9  12.7400      0.00     0.04       0.00     0.10
    10  12.7400      0.00     0.03       0.00    -0.07
    11  12.7672      0.00    -0.12       0.00     0.07
    12  12.9557      0.00     0.01       0.00     0.12
    13  12.9639      0.00     0.05       0.00     0.01
    14  13.7556      0.00     0.04       0.00     0.13
    15  13.7556      0.00    -0.07       0.00     0.03
    16  13.7556      0.00    -0.02       0.00     0.05
    17  13.7558      0.00    -0.07       0.00    -0.15
    18  13.7694      0.00     0.16       0.00    -0.01
    19  13.8293      0.00    -0.01       0.00     0.00
    20  13.8293      0.00    -0.12       0.00     0.21
    21  14.8179      0.00     0.03       0.00     0.06
    22  14.8179      0.00     0.00       0.00     0.12

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.

14TD116    quality flag:2

Type:      CLASSICAL CLASSICAL  SCATNEAR

axisobj        46.801    46.801    46.801
ecceobj         0.204     0.204     0.204
incobj          9.239     9.239     9.239
qmin           36.416    36.416    36.416
qmax           57.098    57.031    57.026
amean          46.513    46.513    46.513
amin           46.095    46.095    46.093
amax           47.022    47.021    47.034
emean           0.200     0.200     0.200
emin            0.186     0.186     0.186
emax            0.215     0.215     0.213
imean           8.368     8.369     8.368
imin            7.637     7.638     7.632
imax            9.099     9.100     9.102
excite_mean     0.247     0.247     0.248
fracstop        1.000     1.000     1.000
cjmean          3.057     3.057     3.057

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       186.0     186.2     186.4
kozaiamp        180.0     180.0     180.0