Orbit Fit and Astrometric record for 16LK106

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: 16LK106   
# Created Sun Dec 22 02:10:43 2024
# Orbit generated from Bernstein formalism
# Fitting     14 observations of     14
# Arc:  89.82d
# First observation: 2016/03/07
#  Last observation: 2016/06/05
Preliminary a, adot, b, bdot, g, gdot:
  -0.000004   0.026024   0.000004   0.016487   0.027818   0.000000
# Chi-squared of fit:     3.60 DOF:     22 RMS:  0.09
# Min/Max residuals:    -0.18    0.23
# Exact a, adot, b, bdot, g, gdot:
  1.559758E-05  2.723292E-02  9.391392E-06  1.654323E-02  2.808202E-02  2.206224E-03
# Covariance matrix:
  2.8444E-13  4.7372E-13 -3.6172E-14  1.7180E-12  2.5316E-12  3.9331E-10
  4.7372E-13  3.5761E-08 -6.5675E-11  8.5981E-10  6.8335E-09  8.9362E-08
 -3.6172E-14 -6.5675E-11  2.9204E-13 -2.7790E-12 -1.3191E-11 -2.7242E-10
  1.7180E-12  8.5981E-10 -2.7790E-12  5.3336E-11  1.9609E-10  7.5339E-09
  2.5316E-12  6.8335E-09 -1.3191E-11  1.9609E-10  1.3494E-09  2.4417E-08
  3.9331E-10  8.9362E-08 -2.7242E-10  7.5339E-09  2.4417E-08  1.4677E-06
#      lat0       lon0       xBary       yBary       zBary        JD0
   10.736867 -151.842496    0.650186    0.139055   -0.732573  2457455.094829
# Heliocentric elements and errors
Epoch:              2457450.5000  =  2016/03/03
Mean Anomaly:           11.87527 +/-     7.537
Argument of Peri:        1.43810 +/-    11.809
Long of Asc Node:      190.45785 +/-     0.108
Inclination:            32.92415 +/-     0.164
Eccentricity:         0.20193888 +/-    0.0192
Semi-Major Axis:     45.16928794 +/-    0.5835
Time of Perihelion: 2453792.8304 +/-    2320.2
Perihelion:          36.04785258 +/-    0.9829
Aphelion:            54.29072331 +/-    1.1140
Period (y)              303.5799 +/-      5.88
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X          -31.81371203 +/-    0.0403
Ecliptic Y          -16.29101043 +/-    0.0216
Ecliptic Z            6.63444641 +/-    0.0087
Ecliptic XDOT         0.00133138 +/-    0.0001
Ecliptic YDOT        -0.00230576 +/-    0.0001
Ecliptic ZDOT         0.00162473 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   36.35278769 +/-    0.0366
Geocenter to KBO     35.60997956 +/-    0.0466
# Hcoef:  8.99

The following table shows the complete astrometric record for 16LK106. 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 (16LK106) followed by the observatory code and reference code for the source of the astrometry.

2016 03  07.59404  13 59 52.51   -00 46 24.2   25.9g 16LK106   T09  C~89Tk      
2016 03  07.60489  13 59 52.48   -00 46 23.7   25.3g 16LK106   T09  C~89Tk      
2016 03  07.60702  13 59 52.47   -00 46 23.7   25.7g 16LK106   T09  C~89Tk      
2016 03  07.62208  13 59 52.42   -00 46 23.1   25.5g 16LK106   T09  C~89Tk      
2016 03  07.64195  13 59 52.36   -00 46 22.2   25.6g 16LK106   T09  C~89Tk      
2016 03  16.46294  13 59 21.19   -00 40 11.9   24.3z 16LK106   T09  C~89Tk      
2016 03  16.48283  13 59 21.09   -00 40 11.1   23.9z 16LK106   T09  C~89Tk      
2016 03  16.50776  13 59 21.00   -00 40 10.1   24.4z 16LK106   T09  C~89Tk      
2016 03  16.56535  13 59 20.77   -00 40 07.4   23.9z 16LK106   T09  C~89Tk      
2016 03  16.58986  13 59 20.68   -00 40 06.5   24.1z 16LK106   T09  C~89Tk      
2016 06  05.36722  13 53 15.69   +00 04 36.3   24.3r 16LK106   T09  C~89Tk      
2016 06  05.38217  13 53 15.64   +00 04 36.3   24.5r 16LK106   T09  C~89Tk      
2016 06  05.39496  13 53 15.59   +00 04 36.7   24.2r 16LK106   T09  C~89Tk      
2016 06  05.41197  13 53 15.56   +00 04 36.8   24.2r 16LK106   T09  C~89Tk      

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    -0.05       0.00    -0.02
     2   0.0000     -0.60     0.01       0.31     0.06
     3   0.0000     -0.74    -0.00       0.26    -0.03
     4   0.0001     -1.65    -0.00       0.56    -0.06
     5   0.0001     -2.81     0.05       1.08     0.05
     6   0.0243   -570.50     0.17     183.88     0.06
     7   0.0243   -572.19    -0.12     184.10    -0.09
     8   0.0244   -573.80     0.02     184.57    -0.11
     9   0.0246   -577.98    -0.11     185.88     0.12
    10   0.0246   -579.56     0.04     186.25     0.02
    11   0.2458  -6649.88    -0.06     777.92     0.06
    12   0.2458  -6650.58     0.01     777.66    -0.14
    13   0.2459  -6651.42    -0.18     777.77     0.03
    14   0.2459  -6651.88     0.23     777.70     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.

16LK106    quality flag:1

Type:       SCATEXTD      2:1E  SCATEXTD

axisobj        44.654    47.697    42.782
ecceobj         0.193     0.278     0.144
incobj         33.071    32.667    33.601
qmin           34.355    33.683    35.409
qmax           55.837    62.865    51.098
amean          44.909    47.794    43.066
amin           44.524    47.137    42.710
amax           45.365    48.561    43.456
emean           0.210     0.279     0.158
emin            0.190     0.257     0.138
emax            0.233     0.297     0.176
imean          32.645    32.463    33.351
imin           32.178    32.099    32.958
imax           32.946    32.928    33.730
excite_mean     0.579     0.605     0.572
fracstop        1.000     1.000     1.000
cjmean          2.681     2.672     2.672

libcent 0      -180.0     180.5    -180.0
libamp  0      -180.0     166.0    -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       178.6     158.1     167.1
kozaiamp        180.0     180.0     180.0