Orbit Fit and Astrometric record for 14UB230

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: 14UB230   
# Created Fri Dec  3 02:12:50 2021
# Orbit generated from Bernstein formalism
# Fitting     31 observations of     31
# Arc:   3.98y
# First observation: 2013/09/01
#  Last observation: 2017/08/25
Preliminary a, adot, b, bdot, g, gdot:
  -0.000257   0.031953  -0.000031   0.006048   0.027766   0.000000
# Chi-squared of fit:     8.27 DOF:     56 RMS:  0.09
# Min/Max residuals:    -0.19    0.31
# Exact a, adot, b, bdot, g, gdot:
  1.838102E-05  3.157547E-02  4.309723E-06  5.986567E-03  2.772182E-02 -2.611844E-03
# Covariance matrix:
  1.9043E-13 -8.1607E-14  1.3506E-15 -3.5550E-15  9.8394E-14 -2.2461E-13
 -8.1607E-14  1.9861E-13 -1.3103E-14  3.0692E-14  7.3774E-14  1.6280E-12
  1.3506E-15 -1.3103E-14  1.0618E-13 -6.1991E-14 -8.0540E-15 -1.5471E-13
 -3.5550E-15  3.0692E-14 -6.1991E-14  6.7227E-14  1.8338E-14  3.6221E-13
  9.8394E-14  7.3774E-14 -8.0540E-15  1.8338E-14  1.8840E-13  9.2404E-13
 -2.2461E-13  1.6280E-12 -1.5471E-13  3.6221E-13  9.2404E-13  1.9195E-11
#      lat0       lon0       xBary       yBary       zBary        JD0
    3.953953   23.639384    0.711014    0.049543   -0.716014  2456537.010948
# Heliocentric elements and errors
Epoch:              2456530.5000  =  2013/08/26
Mean Anomaly:          345.08603 +/-     0.017
Argument of Peri:       46.99745 +/-     0.032
Long of Asc Node:        3.06841 +/-     0.001
Inclination:            11.49318 +/-     0.000
Eccentricity:         0.28043642 +/-    0.0001
Semi-Major Axis:     49.90167335 +/-    0.0049
Time of Perihelion: 2461864.6092 +/-       5.9
Perihelion:          35.90742650 +/-    0.0056
Aphelion:            63.89592020 +/-    0.0077
Period (y)              352.5176 +/-      0.05
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           33.90914177 +/-    0.0005
Ecliptic Y           14.06947209 +/-    0.0002
Ecliptic Z            2.48755966 +/-    0.0000
Ecliptic XDOT        -0.00152971 +/-    0.0000
Ecliptic YDOT         0.00273615 +/-    0.0000
Ecliptic ZDOT         0.00057219 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   36.79630271 +/-    0.0005
Geocenter to KBO     36.07266469 +/-    0.0006
# Hcoef:  8.22

The following table shows the complete astrometric record for 14UB230. 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 (14UB230) followed by the observatory code and reference code for the source of the astrometry.

2013 09  01.51017  01 21 32.136  +12 50 57.02  24.0r 14UB230   568  C~2SDm      
2013 09  01.54900  01 21 31.989  +12 50 56.86  23.9r 14UB230   568  C~2SDm      
2013 09  29.49639  01 19 29.414  +12 42 16.40  24.1r 14UB230   568  C~2SDm      
2013 10  09.38530  01 18 38.576  +12 38 05.86  23.8r 14UB230   568  C~2SDm      
2013 10  29.44878  01 16 54.503  +12 28 50.64  23.7r 14UB230   568  C~2SDm      
2013 10  30.36117  01 16 49.944  +12 28 25.29  24.0r 14UB230   568  C~2SDm      
2013 10  30.40001  01 16 49.753  +12 28 24.08  22.8r 14UB230   568  C~2SDm      
2013 11  01.33298  01 16 40.161  +12 27 29.91  23.5r 14UB230   568  C~2SDm      
2013 11  01.46998  01 16 39.459  +12 27 26.41  24.0r 14UB230   568  C~2SDm      
2013 11  05.43923  01 16 20.230  +12 25 36.15  23.7r 14UB230   568  C~2SDm      
2013 11  28.22555  01 14 46.513  +12 16 07.54  23.9r 14UB230   568  C~2SDm      
2013 12  04.37044  01 14 27.648  +12 14 02.91  24.5r 14UB230   568  C~2SDm      
2014 07  25.53244  01 29 02.407  +13 50 15.59  23.9r 14UB230   568  C~2SDm      
2014 07  25.57404  01 29 02.416  +13 50 16.07  23.9r 14UB230   568  C~2SDm      
2014 07  25.61566  01 29 02.420  +13 50 16.63  24.0r 14UB230   568  C~2SDm      
2014 08  27.46430  01 28 13.313  +13 51 18.67  23.8r 14UB230   568  C~2SDm      
2014 09  23.48057  01 26 25.816  +13 44 41.95  24.2r 14UB230   568  C~2SDm      
2014 10  22.44103  01 23 56.645  +13 32 35.70  23.9r 14UB230   568  C~2SDm      
2014 10  22.48041  01 23 56.431  +13 32 34.66  23.9r 14UB230   568  C~2SDm      
2014 10  22.51932  01 23 56.236  +13 32 33.50  23.8r 14UB230   568  C~2SDm      
2014 10  25.44618  01 23 40.901  +13 31 11.73  23.0r 14UB230   568  C~2SDm      
2014 11  21.23136  01 21 34.332  +13 19 05.79  24.1r 14UB230   568  C~2SDm      
2014 11  21.39282  01 21 33.666  +13 19 01.55  23.9r 14UB230   568  C~2SDm      
2015 01  19.30918  01 20 16.142  +13 08 02.70  23.2r 14UB230   568  C~2SDm      
2015 02  19.22265  01 21 58.254  +13 16 07.89  24.7r 14UB230   568  C~2SDm      
2015 02  19.24361  01 21 58.342  +13 16 08.30  24.0r 14UB230   568  C~2SDm      
2015 10  09.43173  01 31 37.451  +14 38 29.52  23.9w 14UB230   568  C~2SDm      
2015 10  09.47451  01 31 37.218  +14 38 28.46  23.9w 14UB230   568  C~2SDm      
2015 10  09.50371  01 31 37.065  +14 38 27.69  23.9w 14UB230   568  C~2SDm      
2015 12  07.42437  01 27 04.379  +14 12 58.60  23.7w 14UB230   568  C~2SDm      
2017 08  25.61596  01 47 58.354  +16 47 04.51  23.9w 14UB230   568  C~2SDm      

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    -0.08       0.00    -0.18
     2   0.0001     -2.05    -0.04       0.66     0.14
     3   0.0766  -1859.59    -0.01     189.94    -0.10
     4   0.1037  -2643.30    -0.15     237.51     0.07
     5   0.1586  -4264.39    -0.04     297.91    -0.05
     6   0.1611  -4335.82     0.08     299.68     0.15
     7   0.1612  -4338.87     0.13     299.61     0.00
     8   0.1665  -4489.48    -0.02     302.57    -0.07
     9   0.1669  -4500.32    -0.08     303.22     0.31
    10   0.1778  -4802.92    -0.09     307.68    -0.06
    11   0.2402  -6290.29     0.11     302.03     0.10
    12   0.2570  -6593.73     0.04     291.77    -0.07
    13   0.8953   7425.45    -0.03     872.54     0.05
    14   0.8955   7425.74     0.06     872.94    -0.00
    15   0.8956   7426.00     0.12     873.44     0.05
    16   0.9855   6782.78    -0.07    1193.85    -0.05
    17   1.0595   5179.47     0.02    1401.78    -0.02
    18   1.1388   2889.76     0.07    1532.38    -0.04
    19   1.1389   2886.47     0.05    1532.58     0.04
    20   1.1390   2883.40     0.20    1532.56    -0.10
    21   1.1470   2645.34    -0.07    1539.75    -0.02
    22   1.2203    660.94     0.07    1554.43     0.02
    23   1.2208    650.34    -0.05    1554.13    -0.19
    24   1.3821   -646.04    -0.04    1366.91     0.12
    25   1.4667    918.43     0.05    1258.95    -0.07
    26   1.4668    919.77    -0.12    1258.85    -0.11
    27   2.1025  10587.77     0.01    2745.26    -0.04
    28   2.1026  10584.23    -0.04    2745.50    -0.01
    29   2.1027  10581.87    -0.01    2745.59    -0.06
    30   2.2640   6328.17    -0.06    2772.60     0.04
    31   3.9811  26710.67    -0.01    4948.27     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.

14UB230    quality flag:3

Type:       SCATNEAR  SCATNEAR  SCATNEAR

axisobj        50.219    50.232    50.205
ecceobj         0.284     0.284     0.284
incobj         11.461    11.461    11.461
qmin           35.116    35.238    35.031
qmax           65.208    65.044    65.002
amean          49.852    49.791    49.742
amin           49.216    49.252    49.179
amax           50.444    50.427    50.388
emean           0.278     0.275     0.276
emin            0.263     0.260     0.260
emax            0.294     0.291     0.293
imean          11.710    11.882    11.677
imin           10.867    11.059    10.967
imax           12.508    12.707    12.523
excite_mean     0.344     0.344     0.342
fracstop        1.000     1.000     1.000
cjmean          3.025     3.024     3.025

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       174.6     175.8     173.3
kozaiamp        180.0     179.9     180.0