Orbit Fit and Astrometric record for 14HW199

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: 14HW199   
# Created Mon Dec 18 02:38:01 2017
# Orbit generated from Bernstein formalism
# Fitting   32 observations of   32
# Arc:   2.19y
# First observation: 2013/04/15
#  Last observation: 2015/06/23
Preliminary a, adot, b, bdot, g, gdot:
   0.000041   0.027352   0.000017   0.007382   0.026268   0.000000
# Chi-squared of fit:     9.76 DOF:   58 RMS:  0.10
# Min/Max residuals:    -0.36    0.24
# Exact a, adot, b, bdot, g, gdot:
  1.571273E-05  2.744094E-02  4.370143E-06  7.428030E-03  2.631060E-02  2.689823E-03
# Covariance matrix:
  1.8709E-13 -1.7739E-13  1.2664E-14 -3.9869E-14  2.2593E-15 -2.4662E-12
 -1.7739E-13  9.2976E-13 -8.9759E-14  2.7494E-13  7.2521E-13  1.6812E-11
  1.2664E-14 -8.9759E-14  1.6866E-13 -1.3346E-13 -6.3676E-14 -1.9902E-12
 -3.9869E-14  2.7494E-13 -1.3346E-13  1.9122E-13  1.9170E-13  6.1419E-12
  2.2593E-15  7.2521E-13 -6.3676E-14  1.9170E-13  8.3912E-13  1.1634E-11
 -2.4662E-12  1.6812E-11 -1.9902E-12  6.1419E-12  1.1634E-11  3.7677E-10
#      lat0       lon0       xBary       yBary       zBary        JD0
    3.162933 -125.283318    0.488823    0.048471   -0.876880  2456398.005138
# Heliocentric elements and errors
Epoch:              2456390.5000  =  2013/04/08
Mean Anomaly:           22.94103 +/-     0.136
Argument of Peri:      338.83250 +/-     0.210
Long of Asc Node:      222.76756 +/-     0.001
Inclination:            15.50517 +/-     0.001
Eccentricity:         0.17672633 +/-    0.0004
Semi-Major Axis:     46.10078378 +/-    0.0086
Time of Perihelion: 2449104.7986 +/-      43.0
Perihelion:          37.95356161 +/-    0.0215
Aphelion:            54.24800596 +/-    0.0227
Period (y)              313.0190 +/-      0.09
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X          -22.82562719 +/-    0.0008
Ecliptic Y          -31.41081800 +/-    0.0011
Ecliptic Z            2.09729284 +/-    0.0001
Ecliptic XDOT         0.00218784 +/-    0.0000
Ecliptic YDOT        -0.00184241 +/-    0.0000
Ecliptic ZDOT         0.00078736 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   38.88505344 +/-    0.0010
Geocenter to KBO     38.00749890 +/-    0.0013
# Hcoef:  5.81

The following table shows the complete astrometric record for 14HW199. 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 (14HW199) followed by the observatory code and reference code for the source of the astrometry.

2013 04  15.50436  15 32 37.794  -15 52 40.94  21.6w 14HW199   F51  C~1vXP      
2013 04  15.51861  15 32 37.720  -15 52 40.47  21.8w 14HW199   F51  C~1vXP      
2013 04  15.54713  15 32 37.573  -15 52 39.86  21.7w 14HW199   F51  C~1vXP      
2013 05  08.43539  15 30 49.079  -15 43 54.73  21.7w 14HW199   F51  C~1vXP      
2013 05  08.44949  15 30 49.007  -15 43 54.41  21.7w 14HW199   F51  C~1vXP      
2013 05  08.46358  15 30 48.930  -15 43 54.05  21.6w 14HW199   F51  C~1vXP      
2013 05  08.47772  15 30 48.855  -15 43 53.72  21.6w 14HW199   F51  C~1vXP      
2014 04  30.45957  15 38 15.765  -15 44 34.22  21.6w 14HW199   F51  C~1vXP      
2014 04  30.47145  15 38 15.701  -15 44 33.74  21.8w 14HW199   F51  C~1vXP      
2014 04  30.48333  15 38 15.644  -15 44 33.62  21.8w 14HW199   F51  C~1vXP      
2014 04  30.49520  15 38 15.586  -15 44 33.15  21.8w 14HW199   F51  C~1vXP      
2014 05  08.48861  15 37 36.046  -15 41 32.36  21.7w 14HW199   F51  C~1vXP      
2014 05  08.50073  15 37 35.984  -15 41 32.06  21.7w 14HW199   F51  C~1vXP      
2014 05  08.51284  15 37 35.926  -15 41 31.80  21.8w 14HW199   F51  C~1vXP      
2014 05  20.38501  15 36 35.539  -15 37 08.37  21.5w 14HW199   F51  C~1vXP      
2014 05  20.39631  15 36 35.483  -15 37 07.98  21.7w 14HW199   F51  C~1vXP      
2014 05  20.40761  15 36 35.416  -15 37 07.81  21.6w 14HW199   F51  C~1vXP      
2014 05  20.41889  15 36 35.358  -15 37 07.60  21.7w 14HW199   F51  C~1vXP      
2014 05  22.41745  15 36 25.171  -15 36 24.61  21.6w 14HW199   F51  C~1vXP      
2014 05  22.44467  15 36 25.028  -15 36 23.63  21.7w 14HW199   F51  C~1vXP      
2014 05  22.45808  15 36 24.958  -15 36 23.51  21.7w 14HW199   F51  C~1vXP      
2014 07  26.27053  15 32 30.471  -15 21 43.11  21.9w 14HW199   F51  C~1vXP      
2014 07  26.28251  15 32 30.458  -15 21 42.86  21.9w 14HW199   F51  C~1vXP      
2014 07  26.29446  15 32 30.441  -15 21 42.80  21.9w 14HW199   F51  C~1vXP      
2014 07  26.30641  15 32 30.424  -15 21 42.91  21.9w 14HW199   F51  C~1vXP      
2015 06  16.36412  15 41 10.005  -15 25 41.76  21.9w 14HW199   F51  C~1vXP      
2015 06  16.37883  15 41 09.940  -15 25 41.58  21.9w 14HW199   F51  C~1vXP      
2015 06  16.39346  15 41 09.891  -15 25 41.35  21.7w 14HW199   F51  C~1vXP      
2015 06  16.40816  15 41 09.809  -15 25 41.13  21.8w 14HW199   F51  C~1vXP      
2015 06  23.35954  15 40 40.554  -15 23 57.05  21.9r 14HW199   F51  C~1vXP      
2015 06  23.38436  15 40 40.470  -15 23 56.43  21.9r 14HW199   F51  C~1vXP      
2015 06  23.39666  15 40 40.410  -15 23 56.43  21.9r 14HW199   F51  C~1vXP      

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     0.16       0.00     0.02
  2   0.0000     -1.15    -0.04       0.20     0.13
  3   0.0001     -3.35    -0.36       0.29     0.03
  4   0.0628  -1649.53     0.06     134.38     0.00
  5   0.0628  -1650.62     0.07     134.44     0.00
  6   0.0629  -1651.78     0.00     134.52     0.02
  7   0.0629  -1652.91    -0.03     134.58     0.01
  8   1.0403   4626.62     0.09    1622.62    -0.22
  9   1.0403   4625.61    -0.04    1622.87    -0.03
 10   1.0403   4624.78     0.02    1622.80    -0.17
 11   1.0404   4623.86    -0.02    1623.06     0.03
 12   1.0622   4026.26    -0.06    1665.96    -0.04
 13   1.0623   4025.32    -0.06    1666.04    -0.02
 14   1.0623   4024.44     0.00    1666.10    -0.02
 15   1.0948   3114.53     0.15    1718.32    -0.07
 16   1.0948   3113.65     0.16    1718.51     0.08
 17   1.0949   3112.67     0.06    1718.45    -0.02
 18   1.0949   3111.80     0.08    1718.46    -0.05
 19   1.1004   2958.62     0.05    1725.74    -0.17
 20   1.1005   2956.38    -0.07    1726.21     0.21
 21   1.1005   2955.37    -0.04    1726.09     0.05
 22   1.2779   -546.66     0.01    1778.78    -0.12
 23   1.2780   -546.91    -0.01    1778.98     0.09
 24   1.2780   -547.16    -0.04    1778.98     0.11
 25   1.2780   -547.37    -0.03    1778.82    -0.04
 26   2.1680   6817.04    -0.11    3306.67     0.03
 27   2.1680   6816.09    -0.09    3306.63    -0.02
 28   2.1681   6815.34     0.15    3306.69     0.03
 29   2.1681   6814.14    -0.07    3306.63    -0.04
 30   2.1871   6378.00    -0.09    3310.78    -0.09
 31   2.1872   6376.67     0.10    3311.11     0.24
 32   2.1872   6375.83    -0.00    3310.91     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.

14HW199    quality flag:3

Type:       SCATEXTD  SCATEXTD  SCATEXTD

axisobj        45.916    45.944    45.889
ecceobj         0.173     0.174     0.172
incobj         15.527    15.527    15.526
qmin           37.128    37.129    37.144
qmax           55.811    55.903    55.733
amean          46.296    46.349    46.267
amin           45.893    45.925    45.868
amax           46.754    46.816    46.715
emean           0.180     0.182     0.179
emin            0.166     0.168     0.165
emax            0.195     0.196     0.194
imean          16.288    16.284    16.289
imin           15.797    15.786    15.800
imax           16.801    16.801    16.801
excite_mean     0.333     0.334     0.333
fracstop        1.000     1.000     1.000
cjmean          2.992     2.992     2.992

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       173.4     173.8     173.3
kozaiamp        180.0     180.0     180.0