Orbit Fit and Astrometric record for 13SL100

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: 13SL100   
# Created Fri Dec 15 02:37:53 2017
# Orbit generated from Bernstein formalism
# Fitting   32 observations of   32
# Arc:   1.45y
# First observation: 2013/08/04
#  Last observation: 2015/01/17
Preliminary a, adot, b, bdot, g, gdot:
  -0.000138   0.024657  -0.000007  -0.000623   0.024431   0.000000
# Chi-squared of fit:    13.66 DOF:   58 RMS:  0.12
# Min/Max residuals:    -0.25    0.35
# Exact a, adot, b, bdot, g, gdot:
  1.638633E-05  2.462549E-02 -4.247542E-07 -6.251076E-04  2.449811E-02  5.367110E-05
# Covariance matrix:
  2.0270E-13  1.1287E-13  5.9146E-15 -1.5636E-14  2.9874E-13  1.4413E-11
  1.1287E-13  4.7347E-13  9.3692E-15 -2.4843E-14  4.7306E-13  2.2937E-11
  5.9146E-15  9.3692E-15  8.2015E-14 -7.9399E-14  1.4692E-14  7.4735E-13
 -1.5636E-14 -2.4843E-14 -7.9399E-14  1.7282E-13 -3.9600E-14 -2.3485E-12
  2.9874E-13  4.7306E-13  1.4692E-14 -3.9600E-14  7.4033E-13  3.6881E-11
  1.4413E-11  2.2937E-11  7.4735E-13 -2.3485E-12  3.6881E-11  2.3500E-09
#      lat0       lon0       xBary       yBary       zBary        JD0
   -3.101388   13.629827    0.894463   -0.026096   -0.482145  2456508.998978
# Heliocentric elements and errors
Epoch:              2456500.5000  =  2013/07/27
Mean Anomaly:          340.93615 +/-     1.561
Argument of Peri:      265.12878 +/-     1.789
Long of Asc Node:      128.85697 +/-     0.015
Inclination:             3.42227 +/-     0.000
Eccentricity:         0.06244356 +/-    0.0007
Semi-Major Axis:     43.88215834 +/-    0.0048
Time of Perihelion: 2462123.1173 +/-     460.5
Perihelion:          41.14200014 +/-    0.0326
Aphelion:            46.62231653 +/-    0.0327
Period (y)              290.6967 +/-      0.05
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           40.29164948 +/-    0.0014
Ecliptic Y            8.85261001 +/-    0.0003
Ecliptic Z           -2.20842938 +/-    0.0001
Ecliptic XDOT        -0.00065260 +/-    0.0000
Ecliptic YDOT         0.00267426 +/-    0.0000
Ecliptic ZDOT        -0.00006994 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   41.31177656 +/-    0.0014
Geocenter to KBO     40.81948348 +/-    0.0014
# Hcoef:  7.81

The following table shows the complete astrometric record for 13SL100. 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 (13SL100) followed by the observatory code and reference code for the source of the astrometry.

2013 08  04.49820  00 54 59.306  +02 31 10.24  23.6r 13SL100   568  C~2NKL      
2013 08  05.47365  00 54 57.739  +02 30 55.85  23.8r 13SL100   568  C~2NKL      
2013 08  05.51257  00 54 57.676  +02 30 54.89  23.8r 13SL100   568  C~2NKL      
2013 08  08.45262  00 54 52.438  +02 30 08.62  24.0r 13SL100   568  C~2NKL      
2013 08  08.49147  00 54 52.354  +02 30 07.60  23.9r 13SL100   568  C~2NKL      
2013 08  31.53287  00 53 49.611  +02 22 00.23  23.6r 13SL100   568  C~2NKL      
2013 08  31.57657  00 53 49.448  +02 21 59.09  24.2r 13SL100   568  C~2NKL      
2013 09  01.46210  00 53 46.356  +02 21 36.77  23.8r 13SL100   568  C~2NKL      
2013 09  05.40278  00 53 32.087  +02 19 54.87  23.8r 13SL100   568  C~2NKL      
2013 09  05.44158  00 53 31.939  +02 19 53.73  23.8r 13SL100   568  C~2NKL      
2013 09  29.32343  00 51 52.169  +02 08 37.64  23.7r 13SL100   568  C~2NKL      
2013 09  29.37258  00 51 51.938  +02 08 36.21  23.8r 13SL100   568  C~2NKL      
2013 09  29.41164  00 51 51.761  +02 08 35.05  23.4r 13SL100   568  C~2NKL      
2013 10  02.40208  00 51 38.286  +02 07 07.77  23.8r 13SL100   568  C~2NKL      
2013 10  03.35740  00 51 33.967  +02 06 39.79  23.8r 13SL100   568  C~2NKL      
2013 10  03.41811  00 51 33.702  +02 06 38.03  23.7r 13SL100   568  C~2NKL      
2013 10  04.47974  00 51 28.860  +02 06 07.18  23.8r 13SL100   568  C~2NKL      
2013 10  04.49010  00 51 28.816  +02 06 06.73  23.8r 13SL100   568  C~2NKL      
2013 10  09.46022  00 51 06.243  +02 03 43.18  24.8r 13SL100   568  C~2NKL      
2013 10  09.46522  00 51 06.213  +02 03 43.26  23.8r 13SL100   568  C~2NKL      
2013 12  05.21780  00 47 44.662  +01 44 39.21  24.0r 13SL100   568  C~2NKL      
2014 01  02.22061  00 47 28.936  +01 45 06.46  23.9r 13SL100   568  C~2NKL      
2014 06  26.57215  01 00 06.942  +03 04 25.27  23.9r 13SL100   568  C~2NKL      
2014 07  23.54805  01 00 26.939  +03 04 08.07  23.5r 13SL100   568  C~2NKL      
2014 07  27.52700  01 00 24.531  +03 03 32.19  23.6r 13SL100   568  C~2NKL      
2014 10  23.31109  00 55 24.972  +02 28 37.06  23.7r 13SL100   568  C~2NKL      
2014 10  27.27777  00 55 07.851  +02 26 54.66  23.8r 13SL100   568  C~2NKL      
2014 11  24.25948  00 53 26.597  +02 17 30.62  23.9r 13SL100   568  C~2NKL      
2014 11  25.28578  00 53 23.788  +02 17 16.76  23.5r 13SL100   568  C~2NKL      
2014 12  17.22286  00 52 43.348  +02 14 33.46  23.9r 13SL100   568  C~2NKL      
2014 12  17.27972  00 52 43.281  +02 14 33.54  24.1r 13SL100   568  C~2NKL      
2015 01  17.24876  00 52 59.654  +02 18 42.59  23.8r 13SL100   568  C~2NKL      

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    -0.10       0.00     0.00
  2   0.0027    -27.22     0.13      -4.18     0.12
  3   0.0028    -28.46     0.04      -4.70    -0.25
  4   0.0108   -118.75     0.07     -16.99     0.19
  5   0.0109   -120.30    -0.19     -17.45    -0.12
  6   0.0740  -1175.96     0.18    -102.88    -0.17
  7   0.0741  -1178.65     0.06    -102.98    -0.16
  8   0.0766  -1230.02    -0.05    -105.62    -0.06
  9   0.0873  -1466.66     0.01    -116.78     0.10
 10   0.0875  -1469.15    -0.05    -116.97    -0.00
 11   0.1528  -3109.91     0.03    -161.08    -0.04
 12   0.1530  -3113.66    -0.06    -161.05     0.01
 13   0.1531  -3116.55    -0.05    -161.09    -0.02
 14   0.1613  -3336.63     0.07    -163.29     0.10
 15   0.1639  -3407.18     0.05    -164.00    -0.00
 16   0.1641  -3411.52     0.26    -164.08    -0.08
 17   0.1670  -3490.41    -0.04    -164.40     0.13
 18   0.1670  -3491.19    -0.05    -164.56    -0.03
 19   0.1806  -3858.87    -0.17    -165.76     0.10
 20   0.1806  -3859.25    -0.18    -165.51     0.35
 21   0.3360  -7090.39     0.05     -48.20    -0.05
 22   0.4127  -7297.37    -0.02      68.48    -0.05
 23   0.8927   5022.93     0.03      58.82    -0.08
 24   0.9666   5292.78    -0.06     -72.68     0.11
 25   0.9775   5245.63    -0.05     -91.86    -0.19
 26   1.2178    295.40     0.03    -290.07     0.07
 27   1.2287     19.19     0.17    -285.22     0.03
 28   1.3053  -1598.39    -0.14    -217.92    -0.04
 29   1.3081  -1642.58     0.19    -214.39     0.04
 30   1.3682  -2264.70    -0.08    -130.21    -0.13
 31   1.3683  -2265.60    -0.17    -129.75     0.07
 32   1.4531  -1942.86     0.08       4.82     0.05

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.

13SL100    quality flag:3

Type:      CLASSICAL CLASSICAL CLASSICAL

axisobj        44.121    44.129    44.113
ecceobj         0.067     0.067     0.067
incobj          3.419     3.419     3.419
qmin           39.924    39.870    39.954
qmax           48.026    48.038    47.964
amean          43.844    43.852    43.836
amin           43.502    43.497    43.480
amax           44.214    44.217    44.214
emean           0.069     0.070     0.069
emin            0.051     0.052     0.052
emax            0.086     0.087     0.086
imean           2.630     2.631     2.632
imin            1.767     1.767     1.767
imax            3.391     3.394     3.393
excite_mean     0.083     0.084     0.083
fracstop        1.000     1.000     1.000
cjmean          3.091     3.091     3.091

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       178.8     178.9     178.7
kozaiamp        180.0     179.9     180.0