Orbit Fit and Astrometric record for 14WH509

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: 14WH509   
# Created Thu Dec 14 02:38:07 2017
# Orbit generated from Bernstein formalism
# Fitting   41 observations of   48
# Arc:  15.11y
# First observation: 2003/01/22
#  Last observation: 2017/01/29
Preliminary a, adot, b, bdot, g, gdot:
   0.002435   0.024943   0.000159   0.007319   0.028034   0.000000
# Chi-squared of fit:    16.28 DOF:   76 RMS:  0.11
# Min/Max residuals:    -0.47    0.33
# Exact a, adot, b, bdot, g, gdot:
  1.351456E-05  2.560992E-02 -6.335298E-07  7.491149E-03  2.579985E-02  4.190977E-03
# Covariance matrix:
  9.3341E-13 -1.9355E-13  1.3093E-13 -4.6483E-14 -9.7522E-15 -3.8729E-13
 -1.9355E-13  6.5043E-14 -5.2398E-14  1.8754E-14  3.7707E-14  1.5517E-13
  1.3093E-13 -5.2398E-14  5.3611E-13 -5.5329E-14 -3.2258E-14 -1.3191E-13
 -4.6483E-14  1.8754E-14 -5.5329E-14  9.1182E-15  1.2114E-14  4.7220E-14
 -9.7522E-15  3.7707E-14 -3.2258E-14  1.2114E-14  1.5023E-13  9.6156E-14
 -3.8729E-13  1.5517E-13 -1.3191E-13  4.7220E-14  9.6156E-14  3.9064E-13
#      lat0       lon0       xBary       yBary       zBary        JD0
    8.169210  102.051704    0.245614    0.134473   -0.937369  2452262.800283
# Heliocentric elements and errors
Epoch:              2452260.5000  =  2001/12/17
Mean Anomaly:           45.17182 +/-     0.009
Argument of Peri:      323.85885 +/-     0.012
Long of Asc Node:       76.34119 +/-     0.000
Inclination:            18.11667 +/-     0.000
Eccentricity:         0.18324108 +/-    0.0000
Semi-Major Axis:     44.54304867 +/-    0.0029
Time of Perihelion: 2438635.5961 +/-       2.2
Perihelion:          36.38093210 +/-    0.0028
Aphelion:            52.70516523 +/-    0.0037
Period (y)              297.2885 +/-      0.03
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           -7.96711544 +/-    0.0001
Ecliptic Y           38.50385779 +/-    0.0006
Ecliptic Z            5.50764838 +/-    0.0001
Ecliptic XDOT        -0.00273470 +/-    0.0000
Ecliptic YDOT        -0.00024752 +/-    0.0000
Ecliptic ZDOT         0.00085029 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   39.70335230 +/-    0.0005
Geocenter to KBO     38.75991711 +/-    0.0006
# Hcoef:  5.05

The following table shows the complete astrometric record for 14WH509. 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 (14WH509) followed by the observatory code and reference code for the source of the astrometry.

2001 12  19.29954  06 55 49.51   +31 01 35.3   20.0R 14WH509   644  C~1vXr      
2001 12  19.32760  06 55 49.27   +31 01 35.5   20.3R 14WH509   644  C~1vXr      
2001 12  19.37623  06 55 49.07   +31 01 36.4   21.0R 14WH509   644  C~1vXr      
2003 01  22.20341  06 59 31.20   +31 24 34.8   20.9R 14WH509   644  C~1vXr      
2003 01  22.23000  06 59 31.00   +31 24 35.2   21.0R 14WH509   644  C~1vXr      
2003 01  22.33208  06 59 30.51   +31 24 36.3   20.6R 14WH509   644  C~1vXr      
2003 01  22.35681  06 59 30.33   +31 24 35.8   20.9R 14WH509   644  C~1vXr      
2007 02  21.238778 07 24 49.28   +32 20 12.6   21.2V 14WH509   645  C~1w3x      
2007 02  21.239607 07 24 49.28   +32 20 12.6   20.8V 14WH509   645  C~1w3x      
2007 02  21.242095 07 24 49.27   +32 20 12.6   21.9V 14WH509   645  C~1w3x      
2012 01  28.46318  08 00 51.284  +32 51 21.24  21.2w 14WH509   F51  C~1vXr      
2012 01  28.47721  08 00 51.193  +32 51 21.35  21.2w 14WH509   F51  C~1vXr      
2012 01  28.49116  08 00 51.118  +32 51 21.61  21.2w 14WH509   F51  C~1vXr      
2012 01  28.50508  08 00 51.039  +32 51 21.89  21.2w 14WH509   F51  C~1vXr      
2012 12  22.53236  08 10 53.988  +32 40 41.44  21.2w 14WH509   F51  C~1vXr      
2012 12  22.54648  08 10 53.914  +32 40 41.82  21.4w 14WH509   F51  C~1vXr      
2012 12  22.56057  08 10 53.843  +32 40 42.10  21.3w 14WH509   F51  C~1vXr      
2012 12  22.57455  08 10 53.775  +32 40 42.55  21.3w 14WH509   F51  C~1vXr      
2014 11  21.51939  08 25 48.437  +32 25 47.37  21.5w 14WH509   F51  C~1vXr      
2014 11  21.53332  08 25 48.413  +32 25 47.67  21.5w 14WH509   F51  C~1vXr      
2014 11  21.54723  08 25 48.386  +32 25 48.05  21.4w 14WH509   F51  C~1vXr      
2014 11  21.56112  08 25 48.363  +32 25 48.49  21.4w 14WH509   F51  C~1vXr      
2014 12  29.56121  08 23 32.056  +32 43 16.75  21.3w 14WH509   F51  C~1vXr      
2014 12  29.57304  08 23 31.996  +32 43 17.09  21.3w 14WH509   F51  C~1vXr      
2014 12  29.58481  08 23 31.939  +32 43 17.38  21.2w 14WH509   F51  C~1vXr      
2014 12  29.59662  08 23 31.876  +32 43 17.70  21.3w 14WH509   F51  C~1vXr      
2015 01  24.38151  08 21 10.025  +32 53 22.76  21.3w 14WH509   F51  C~1vXr      
2015 01  24.39315  08 21 09.949  +32 53 22.89  21.2w 14WH509   F51  C~1vXr      
2015 01  24.40476  08 21 09.889  +32 53 23.16  21.2w 14WH509   F51  C~1vXr      
2015 01  24.41643  08 21 09.825  +32 53 23.38  21.1w 14WH509   F51  C~1vXr      
2015 01  27.51609  08 20 52.066  +32 54 21.49  21.3w 14WH509   F51  C~1vXr      
2015 01  27.52774  08 20 51.995  +32 54 21.64  21.4w 14WH509   F51  C~1vXr      
2015 01  27.53935  08 20 51.934  +32 54 21.88  21.2w 14WH509   F51  C~1vXr      
2015 01  27.55103  08 20 51.865  +32 54 22.07  21.1w 14WH509   F51  C~1vXr      
2015 02  12.28846  08 19 24.506  +32 58 14.58  21.3w 14WH509   F51  C~1vXr      
2015 02  12.30175  08 19 24.453  +32 58 14.70  21.4w 14WH509   F51  C~1vXr      
2015 02  12.31505  08 19 24.364  +32 58 14.94  21.4w 14WH509   F51  C~1vXr      
2015 02  12.32841  08 19 24.286  +32 58 14.97  21.3w 14WH509   F51  C~1vXr      
2015 03  23.33723  08 16 47.825  +32 59 26.86  21.4w 14WH509   F51  C~1vXr      
2015 03  23.35211  08 16 47.799  +32 59 26.69  21.2w 14WH509   F51  C~1vXr      
2015 03  23.36592  08 16 47.754  +32 59 26.61  21.4w 14WH509   F51  C~1vXr      
2015 03  24.36964  08 16 45.465  +32 59 18.88  21.5w 14WH509   F51  C~1vXr      
2015 03  24.38226  08 16 45.439  +32 59 18.78  21.4w 14WH509   F51  C~1vXr      
2015 03  24.39480  08 16 45.418  +32 59 18.74  21.3w 14WH509   F51  C~1vXr      
2015 03  24.40736  08 16 45.398  +32 59 18.63  21.3w 14WH509   F51  C~1vXr      
2017 01  29.35896  08 33 39.706  +32 50 58.12  21.4w 14WH509   F51  C~26fZ      
2017 01  29.37100  08 33 39.700  +32 50 58.09  21.9w 14WH509   F51  C~26fZ      
2017 01  29.38297  08 33 39.535  +32 50 58.44  22.0w 14WH509   F51  C~26fZ      

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 (   0.45)      0.00 (   1.08)
  2   0.0001     -3.09 (  -0.49)     -0.10 (   0.76)
  3   0.0002     -5.74 (   0.61)      0.55 (   1.05)
  4   1.0921   2690.05     0.33    1659.98    -0.05
  5   1.0922   2687.46    -0.29    1660.11     0.09
  6   1.0925   2681.11 (   0.96)   1660.54 (   0.58)
  7   1.0926   2678.87 (   0.56)   1659.80 (  -0.14)
  8   5.1744  21490.38    -0.03    7586.52    -0.03
  9   5.1744  21490.38     0.01    7586.52    -0.02
 10   5.1744  21490.26     0.02    7586.50    -0.02
 11  10.1086  48722.07    -0.04   15256.42     0.01
 12  10.1086  48720.86    -0.13   15256.23    -0.11
 13  10.1087  48719.83    -0.07   15256.24    -0.03
 14  10.1087  48718.73    -0.06   15256.26     0.05
 15  11.0095  56760.95    -0.06   16715.48     0.01
 16  11.0096  56759.87    -0.11   16715.59     0.01
 17  11.0096  56758.85    -0.10   16715.61    -0.08
 18  11.0097  56757.83    -0.10   16715.82     0.02
 19  12.9233  68962.83    -0.00   19350.47    -0.00
 20  12.9233  68962.41     0.05   19350.67    -0.06
 21  12.9233  68961.93     0.04   19350.94    -0.05
 22  12.9234  68961.47     0.06   19351.28     0.03
 23  13.0274  66791.36     0.18   19835.75    -0.06
 24  13.0274  66790.45     0.18   19835.84    -0.03
 25  13.0275  66789.59     0.23   19835.89    -0.04
 26  13.0275  66788.65     0.19   19835.95    -0.04
 27  13.0981  64701.95    -0.07   19861.86     0.10
 28  13.0981  64700.90    -0.14   19861.68    -0.03
 29  13.0982  64700.02    -0.06   19861.71     0.05
 30  13.0982  64699.09     0.00   19861.67     0.06
 31  13.1067  64444.38    -0.06   19848.01     0.06
 32  13.1067  64443.39    -0.08   19847.87    -0.01
 33  13.1067  64442.50    -0.01   19847.86     0.05
 34  13.1068  64441.52    -0.02   19847.77     0.02
 35  13.1499  63207.82     0.17   19729.75    -0.04
 36  13.1499  63207.08 (   0.43)  19729.66 (  -0.00)
 37  13.1499  63205.83     0.17   19729.54     0.02
 38  13.1500  63204.78     0.13   19729.26    -0.13
 39  13.2568  61108.46    -0.02   19183.47     0.09
 40  13.2568  61108.17     0.12   19183.19     0.07
 41  13.2569  61107.60    -0.04   19182.94     0.05
 42  13.2596  61079.59    -0.07   19166.25     0.00
 43  13.2596  61079.27    -0.03   19166.04     0.02
 44  13.2597  61079.01     0.05   19165.92     0.11
 45  13.2597  61078.77     0.17   19165.73     0.14
 46  15.1131  74871.23    -0.07   22957.08     0.05
 47  15.1131  74871.16 (   0.89)  22957.02 (   0.07)
 48  15.1132  74868.78    -0.47   22956.62    -0.25

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.

14WH509    quality flag:3

Type:       SCATEXTD  SCATEXTD  SCATEXTD

axisobj        44.407    44.416    44.399
ecceobj         0.184     0.184     0.184
incobj         18.122    18.122    18.122
qmin           35.130    35.213    35.163
qmax           53.705    53.531    53.630
amean          44.187    44.195    44.190
amin           43.785    43.787    43.788
amax           44.667    44.668    44.656
emean           0.182     0.182     0.179
emin            0.164     0.165     0.163
emax            0.204     0.200     0.202
imean          16.423    16.375    16.512
imin           15.575    15.647    15.617
imax           17.259    17.145    17.198
excite_mean     0.336     0.335     0.336
fracstop        1.000     1.000     1.000
cjmean          2.967     2.968     2.968

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       176.1     176.6     177.5
kozaiamp        179.9     180.0     180.0