Orbit Fit and Astrometric record for 14JC92

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: 14JC92    
# Created Sat May  4 01:15:55 2024
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting     20 observations of     20
# Arc:   8.05y
# First observation: 2014/05/04
#  Last observation: 2022/05/21
# Chi-squared of fit:    13.66 DOF:     34 RMS:  0.15
# Min/Max residuals:    -0.31    0.34
# Exact a, adot, b, bdot, g, gdot:
  1.494372E-05  2.172582E-02 -2.880848E-06 -3.532072E-03  2.311532E-02  2.852997E-03
# Covariance matrix:
  1.9858E-13 -1.1903E-13 -5.3223E-15  1.4854E-14 -1.2439E-13 -5.6399E-13
 -1.1903E-13  1.5220E-12  7.7250E-14 -2.1468E-13  3.8917E-12  8.1524E-12
 -5.3223E-15  7.7250E-14  1.8143E-13 -3.6830E-14  1.9411E-13  4.1788E-13
  1.4854E-14 -2.1468E-13 -3.6830E-14  3.7075E-14 -5.3896E-13 -1.1616E-12
 -1.2439E-13  3.8917E-12  1.9411E-13 -5.3896E-13  1.0853E-11  2.0467E-11
 -5.6399E-13  8.1524E-12  4.1788E-13 -1.1616E-12  2.0467E-11  4.4110E-11
#      lat0       lon0       xBary       yBary       zBary        JD0
    1.338843 -132.392941    0.068055    0.023595   -1.005850  2456781.832478
# Heliocentric elements and errors
Epoch:              2456782.5000  =  2014/05/05
Mean Anomaly:           68.19307 +/-     0.089
Argument of Peri:       88.73055 +/-     0.149
Long of Asc Node:       55.51238 +/-     0.000
Inclination:             9.32372 +/-     0.000
Eccentricity:         0.13359523 +/-    0.0002
Semi-Major Axis:     45.78771227 +/-    0.0186
Time of Perihelion: 2435345.7188 +/-      30.8
Perihelion:          39.67069216 +/-    0.0192
Aphelion:            51.90473238 +/-    0.0235
Period (y)              309.8358 +/-      0.19
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X          -29.88915602 +/-    0.0042
Ecliptic Y          -32.63715365 +/-    0.0046
Ecliptic Z            1.01070336 +/-    0.0001
Ecliptic XDOT         0.00166072 +/-    0.0000
Ecliptic YDOT        -0.00199511 +/-    0.0000
Ecliptic ZDOT        -0.00041021 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   44.26691162 +/-    0.0044
Geocenter to KBO     43.26129804 +/-    0.0062
# Hcoef:  5.60

The following table shows the complete astrometric record for 14JC92. 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 (14JC92) followed by the observatory code and reference code for the source of the astrometry.

2014 05  04.33170  15 02 08.11   -15 47 54.9   22.3V 14JC92    W84  C~3VUN      
2014 05  04.33344  15 02 08.10   -15 47 55.0         14JC92    W84  C~2fcD      
2014 05  04.36609  15 02 07.95   -15 47 54.3         14JC92    W84  C~3VUN      
2014 05  04.40059  15 02 07.79   -15 47 53.7         14JC92    W84  C~3VUN      
2014 05  04.40233  15 02 07.77   -15 47 53.9   22.3V 14JC92    W84  C~2fcD      
2014 05  05.22153  15 02 04.00   -15 47 39.6         14JC92    W84  C~2fcD      
2015 05  21.07635  15 05 36.21   -16 15 30.5         14JC92    W84  C~2zsT      
2015 05  23.06891  15 05 27.17   -16 14 58.1   22.7V 14JC92    W84  C~2zsT      
2015 05  24.06867  15 05 22.72   -16 14 42.2         14JC92    W84  C~2zsT      
2020 06  22.29810  15 26 59.388  -18 41 17.07  22.1w 14JC92    F51  C~71xE      
2020 06  22.30888  15 26 59.332  -18 41 17.21  22.4w 14JC92    F51  C~71xE      
2020 06  22.31970  15 26 59.328  -18 41 17.11  22.2w 14JC92    F51  C~71xE      
2020 06  22.33047  15 26 59.268  -18 41 17.16  22.4w 14JC92    F51  C~71xE      
2021 06  30.30686  15 31 15.830  -19 08 53.08  22.3w 14JC92    F51  C~71xE      
2021 06  30.31824  15 31 15.796  -19 08 53.11  22.2w 14JC92    F51  C~71xE      
2021 06  30.32961  15 31 15.752  -19 08 52.57  22.5w 14JC92    F51  C~71xE      
2021 06  30.34097  15 31 15.723  -19 08 52.79  22.2w 14JC92    F51  C~71xE      
2022 05  21.385703 15 38 44.436  -19 45 15.99  22.0w 14JC92    F52  C~71xE      
2022 05  21.407522 15 38 44.313  -19 45 15.58  22.2w 14JC92    F52  C~71xE      
2022 05  21.418398 15 38 44.280  -19 45 15.53  22.1w 14JC92    F52  C~71xE      

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     0.01       0.00     0.10
     2   0.0000      0.00    -0.02       0.00    -0.03
     3   0.0001      0.00     0.02       0.00     0.09
     4   0.0002      0.00     0.02       0.00     0.08
     5   0.0002      0.00    -0.16       0.00    -0.15
     6   0.0024      0.00    -0.13       0.00    -0.08
     7   1.0452      0.00     0.34       0.00    -0.07
     8   1.0506      0.00    -0.25       0.00     0.10
     9   1.0534      0.00     0.27       0.00    -0.01
    10   6.1354      0.00    -0.06       0.00     0.26
    11   6.1355      0.00    -0.31       0.00     0.01
    12   6.1355      0.00     0.22       0.00    -0.01
    13   6.1355      0.00    -0.10       0.00    -0.17
    14   7.1567      0.00    -0.01       0.00    -0.11
    15   7.1567      0.00     0.04       0.00    -0.24
    16   7.1567      0.00    -0.07       0.00     0.19
    17   7.1568      0.00     0.04       0.00    -0.13
    18   8.0467      0.00     0.14       0.00     0.02
    19   8.0468      0.00    -0.15       0.00     0.13
    20   8.0468      0.00     0.14       0.00     0.03

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.

14JC92    quality flag:3

Type:      CLASSICAL CLASSICAL CLASSICAL

axisobj        45.468    45.468    45.468
ecceobj         0.129     0.129     0.129
incobj          9.343     9.343     9.343
qmin           38.948    38.936    38.946
qmax           53.047    53.003    53.032
amean          45.813    45.813    45.813
amin           45.435    45.433    45.420
amax           46.224    46.226    46.247
emean           0.133     0.133     0.133
emin            0.119     0.119     0.119
emax            0.148     0.147     0.147
imean           8.184     8.184     8.184
imin            7.718     7.718     7.716
imax            8.719     8.720     8.720
excite_mean     0.195     0.195     0.195
fracstop        1.000     1.000     1.000
cjmean          3.078     3.078     3.078

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       177.9     177.8     177.9
kozaiamp        180.0     180.0     180.0