Orbit Fit and Astrometric record for 14SY403

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: 14SY403   
# Created Fri Dec  3 02:12:42 2021
# Orbit generated from Bernstein formalism
# Fitting     11 observations of     11
# Arc:   4.02y
# First observation: 2014/09/25
#  Last observation: 2018/10/01
Preliminary a, adot, b, bdot, g, gdot:
   0.000287   0.023614  -0.000098  -0.005742   0.024276   0.000000
# Chi-squared of fit:     2.48 DOF:     16 RMS:  0.08
# Min/Max residuals:    -0.12    0.18
# Exact a, adot, b, bdot, g, gdot:
  1.597871E-05  2.415992E-02 -3.970285E-06 -5.862010E-03  2.425961E-02  6.258921E-03
# Covariance matrix:
  5.9466E-13 -2.4682E-13 -4.7848E-14  1.8103E-14  2.4117E-13 -1.0578E-12
 -2.4682E-13  4.8576E-13  1.2220E-14 -9.3190E-14  2.9760E-13  5.3460E-12
 -4.7848E-14  1.2220E-14  4.6208E-13 -1.7312E-13 -9.2668E-14  1.7107E-13
  1.8103E-14 -9.3190E-14 -1.7312E-13  1.1631E-13 -7.1083E-14 -1.2721E-12
  2.4117E-13  2.9760E-13 -9.2668E-14 -7.1083E-14  8.9754E-13  4.0345E-12
 -1.0578E-12  5.3460E-12  1.7107E-13 -1.2721E-12  4.0345E-12  7.2980E-11
#      lat0       lon0       xBary       yBary       zBary        JD0
  -26.144108   -0.842440   -0.046068   -0.442410   -0.901660  2456925.714078
# Heliocentric elements and errors
Epoch:              2456920.5000  =  2014/09/20
Mean Anomaly:           38.08671 +/-     0.018
Argument of Peri:      176.41961 +/-     0.034
Long of Asc Node:      118.92829 +/-     0.001
Inclination:            28.81888 +/-     0.000
Eccentricity:         0.30258382 +/-    0.0004
Semi-Major Axis:     51.84341196 +/-    0.0142
Time of Perihelion: 2442495.7035 +/-       3.2
Perihelion:          36.15643416 +/-    0.0207
Aphelion:            67.53038977 +/-    0.0260
Period (y)              373.2919 +/-      0.15
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           38.00185813 +/-    0.0014
Ecliptic Y           -0.51076101 +/-    0.0000
Ecliptic Z          -18.16329780 +/-    0.0007
Ecliptic XDOT         0.00037799 +/-    0.0000
Ecliptic YDOT         0.00271668 +/-    0.0000
Ecliptic ZDOT        -0.00090501 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   42.12252943 +/-    0.0013
Geocenter to KBO     41.22077553 +/-    0.0016
# Hcoef:  7.26

The following table shows the complete astrometric record for 14SY403. 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 (14SY403) followed by the observatory code and reference code for the source of the astrometry.

2014 09  25.21330  00 41 12.641  -24 10 28.99  23.4i 14SY403   W84  C~55S9      
2014 10  27.18200  00 38 43.601  -24 21 27.15  23.5r 14SY403   W84  C~55S9      
2014 12  12.12302  00 36 32.903  -24 12 07.04  23.7r 14SY403   W84  C~55S9      
2016 09  05.33601  00 54 34.394  -23 20 55.10  23.9i 14SY403   W84  C~55S9      
2016 10  08.16723  00 52 08.213  -23 39 44.30  23.4i 14SY403   W84  C~55S9      
2016 10  08.16860  00 52 08.201  -23 39 44.35  23.5r 14SY403   W84  C~55S9      
2016 10  28.14083  00 50 36.491  -23 45 10.98  24.4g 14SY403   W84  C~55S9      
2016 12  21.10058  00 48 15.067  -23 31 46.76  23.7r 14SY403   W84  C~55S9      
2016 12  21.10197  00 48 15.061  -23 31 46.78  23.1i 14SY403   W84  C~55S9      
2017 11  23.06961  00 54 50.646  -23 25 00.87  23.1z 14SY403   W84  C~55S9      
2018 10  01.33738  01 04 17.384  -22 56 53.20  22.6i 14SY403   W84  C~55S9      

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     0.03
     2   0.0875  -2121.86    -0.08     291.51     0.02
     3   0.2133  -3494.45     0.08    1566.13    -0.09
     4   1.9469  11187.38    -0.10   -2256.75    -0.01
     5   2.0368   8877.42     0.13   -2346.51    -0.02
     6   2.0368   8877.25     0.06   -2346.48     0.00
     7   2.0915   7603.93     0.18   -2067.87     0.04
     8   2.2393   6226.86    -0.01    -475.60     0.00
     9   2.2393   6226.78    -0.11    -475.59    -0.03
    10   3.1618  11274.38    -0.11   -2578.18     0.16
    11   4.0168  19023.27     0.01   -4726.90    -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.

14SY403    quality flag:3

Type:       SCATNEAR  SCATNEAR  SCATNEAR

axisobj        52.369    52.413    52.326
ecceobj         0.308     0.308     0.307
incobj         28.796    28.796    28.796
qmin           34.685    34.351    34.496
qmax           70.139    70.639    70.335
amean          52.046    52.097    52.047
amin           51.525    51.581    51.521
amax           52.702    52.757    52.709
emean           0.314     0.320     0.316
emin            0.297     0.298     0.296
emax            0.332     0.339     0.336
imean          26.854    26.594    26.755
imin           26.410    26.117    26.267
imax           27.413    27.348    27.350
excite_mean     0.550     0.550     0.550
fracstop        1.000     1.000     1.000
cjmean          2.806     2.807     2.806

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       188.4     182.0     183.7
kozaiamp        180.0     179.9     180.0