Orbit Fit and Astrometric record for 14UB277

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: 14UB277   
# Created Tue Nov 30 02:12:55 2021
# Orbit generated from Bernstein formalism
# Fitting     17 observations of     17
# Arc:   4.90y
# First observation: 2013/11/23
#  Last observation: 2018/10/18
Preliminary a, adot, b, bdot, g, gdot:
  -0.000126   0.034639   0.000015  -0.003426   0.027599   0.000000
# Chi-squared of fit:     5.70 DOF:     28 RMS:  0.10
# Min/Max residuals:    -0.18    0.25
# Exact a, adot, b, bdot, g, gdot:
  1.979529E-05  3.430572E-02 -1.693325E-06 -3.389462E-03  2.751299E-02  1.431863E-03
# Covariance matrix:
  4.0495E-13 -3.0565E-13 -1.0846E-14  2.0602E-14 -3.3183E-14 -1.2629E-12
 -3.0565E-13  5.5020E-13  2.0866E-14 -4.4154E-14 -1.6421E-13  2.5788E-12
 -1.0846E-14  2.0866E-14  2.9077E-13 -8.2489E-14  4.0676E-15  1.1843E-13
  2.0602E-14 -4.4154E-14 -8.2489E-14  3.5613E-14  5.4230E-15 -2.3137E-13
 -3.3183E-14 -1.6421E-13  4.0676E-15  5.4230E-15  6.7613E-13  3.9260E-14
 -1.2629E-12  2.5788E-12  1.1843E-13 -2.3137E-13  3.9260E-14  1.4001E-11
#      lat0       lon0       xBary       yBary       zBary        JD0
   -5.652697    5.892558   -0.805342   -0.055865   -0.565819  2456619.617018
# Heliocentric elements and errors
Epoch:              2456610.5000  =  2013/11/14
Mean Anomaly:            3.45843 +/-     0.006
Argument of Peri:      214.29631 +/-     0.018
Long of Asc Node:      142.16063 +/-     0.002
Inclination:             7.84608 +/-     0.000
Eccentricity:         0.47266759 +/-    0.0002
Semi-Major Axis:     69.60372404 +/-    0.0235
Time of Perihelion: 2454572.8786 +/-       3.3
Perihelion:          36.70429942 +/-    0.0171
Aphelion:           102.50314867 +/-    0.0366
Period (y)              580.7068 +/-      0.29
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           36.46066243 +/-    0.0011
Ecliptic Y            4.57583649 +/-    0.0001
Ecliptic Z           -3.58017422 +/-    0.0001
Ecliptic XDOT        -0.00024863 +/-    0.0000
Ecliptic YDOT         0.00340503 +/-    0.0000
Ecliptic ZDOT        -0.00034954 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   36.92066944 +/-    0.0011
Geocenter to KBO     36.34646311 +/-    0.0011
# Hcoef:  7.77

The following table shows the complete astrometric record for 14UB277. 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 (14UB277) followed by the observatory code and reference code for the source of the astrometry.

2013 11  23.11624  00 30 35.409  -02 51 02.15  23.5r 14UB277   W84  C~52UR      
2013 11  23.11761  00 30 35.408  -02 51 02.01  23.6i 14UB277   W84  C~52UR      
2013 11  23.14465  00 30 35.336  -02 51 02.43  24.1i 14UB277   W84  C~52UR      
2014 10  29.21483  00 39 33.835  -02 07 48.25  22.7i 14UB277   W84  C~52UR      
2014 11  13.12689  00 38 36.764  -02 12 49.70  24.1r 14UB277   W84  C~52UR      
2014 11  14.08439  00 38 33.584  -02 13 05.04  22.6i 14UB277   W84  C~52UR      
2016 09  01.38116  00 58 51.800  -00 25 45.93  23.6r 14UB277   W84  C~52UR      
2016 09  01.38254  00 58 51.795  -00 25 45.69  24.7g 14UB277   W84  C~52UR      
2016 10  23.12854  00 54 59.378  -00 53 00.49  23.0r 14UB277   W84  C~52UR      
2016 11  05.17136  00 54 02.562  -00 58 20.10  23.1i 14UB277   W84  C~52UR      
2017 08  27.40419  01 06 33.010  +00 12 34.97  23.4i 14UB277   W84  C~52UR      
2017 08  28.34884  01 06 30.058  +00 12 07.71  23.5r 14UB277   W84  C~52UR      
2017 08  28.35021  01 06 30.058  +00 12 07.97  24.2g 14UB277   W84  C~52UR      
2017 09  14.31539  01 05 27.105  +00 03 25.35  22.1z 14UB277   W84  C~52UR      
2017 09  27.24187  01 04 29.774  -00 03 37.18  23.1z 14UB277   W84  C~52UR      
2018 09  14.34839  01 12 50.184  +00 39 12.26  23.6g 14UB277   W84  C~52UR      
2018 10  18.20600  01 10 14.591  +00 21 20.42  23.3z 14UB277   W84  C~52UR      

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    -0.02       0.00    -0.05
     2   0.0000      0.04     0.08       0.13     0.07
     3   0.0001     -1.12    -0.06       0.18    -0.06
     4   0.9311   8440.15     0.04    -822.87     0.09
     5   0.9720   7534.01    -0.04    -759.17     0.05
     6   0.9746   7484.10    -0.01    -754.28    -0.14
     7   2.7742  26953.79     0.04   -2144.04    -0.01
     8   2.7742  26953.82     0.15   -2143.79     0.25
     9   2.9158  23048.18    -0.05   -2248.56     0.06
    10   2.9516  22128.33    -0.04   -2200.48    -0.15
    11   3.7599  34377.40    -0.18   -2812.21     0.08
    12   3.7624  34324.49    -0.07   -2819.56    -0.17
    13   3.7624  34324.59     0.12   -2819.32     0.09
    14   3.8089  33221.35    -0.10   -2921.27     0.04
    15   3.8443  32240.03     0.08   -2964.43    -0.15
    16   4.8083  40395.46    -0.05   -3629.40     0.15
    17   4.9010  37735.33     0.11   -3676.12    -0.14

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.

14UB277    quality flag:3

Type:       7:2EEEEE  7:2EEEEE  7:2EEEEE

axisobj        70.470    70.545    70.395
ecceobj         0.479     0.480     0.479
incobj          7.832     7.832     7.832
qmin           36.033    36.042    36.002
qmax          105.216   105.226   105.195
amean          69.410    69.410    69.410
amin           68.220    68.157    68.276
amax           70.973    70.962    70.943
emean           0.470     0.470     0.470
emin            0.459     0.459     0.459
emax            0.482     0.483     0.483
imean           6.727     6.615     6.764
imin            6.549     6.486     6.482
imax            6.893     6.752     7.094
excite_mean     0.484     0.484     0.485
fracstop        1.000     1.000     1.000
cjmean          3.095     3.095     3.095

libcent 0       180.7     179.4     178.8
libamp  0       137.8     150.1     124.8
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       201.8     190.5     238.6
kozaiamp        179.9     180.0     180.0