Orbit Fit and Astrometric record for 06HP122

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: 06HP122   
# Created Tue Oct 24 01:37:38 2017
# Orbit generated from Bernstein formalism
# Fitting   17 observations of   18
# Arc:   9.88y
# First observation: 2006/04/26
#  Last observation: 2016/03/13
Preliminary a, adot, b, bdot, g, gdot:
   0.000071   0.028086   0.000068  -0.004425   0.026559   0.000000
# Chi-squared of fit:    14.65 DOF:   28 RMS:  0.16
# Min/Max residuals:    -0.42    0.34
# Exact a, adot, b, bdot, g, gdot:
  1.818098E-05  2.805651E-02 -6.363009E-07 -4.415481E-03  2.628728E-02  1.468171E-03
# Covariance matrix:
  4.0264E-13 -2.9239E-14  9.5413E-15 -6.9534E-15  4.7431E-13  1.4113E-13
 -2.9239E-14  1.9953E-13  2.4035E-14 -3.2220E-14  2.2944E-13  7.1685E-13
  9.5413E-15  2.4035E-14  1.2960E-13 -2.3327E-14  4.8132E-14  9.7678E-14
 -6.9534E-15 -3.2220E-14 -2.3327E-14  1.5090E-14 -5.4226E-14 -1.2713E-13
  4.7431E-13  2.2944E-13  4.8132E-14 -5.4226E-14  1.1355E-12  1.1825E-12
  1.4113E-13  7.1685E-13  9.7678E-14 -1.2713E-13  1.1825E-12  2.8197E-12
#      lat0       lon0       xBary       yBary       zBary        JD0
    1.652680 -149.493369   -0.089261    0.028902   -0.997307  2453851.593064
# Heliocentric elements and errors
Epoch:              2453850.5000  =  2006/04/25
Mean Anomaly:           15.00184 +/-     0.021
Argument of Peri:      148.34896 +/-     0.030
Long of Asc Node:       40.78307 +/-     0.000
Inclination:             9.06903 +/-     0.000
Eccentricity:         0.17131393 +/-    0.0001
Semi-Major Axis:     46.64020753 +/-    0.0086
Time of Perihelion: 2449002.2938 +/-       6.5
Perihelion:          38.65009013 +/-    0.0088
Aphelion:            54.63032492 +/-    0.0114
Period (y)              318.5290 +/-      0.09
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X          -33.57900565 +/-    0.0013
Ecliptic Y          -19.89002293 +/-    0.0008
Ecliptic Z            1.09710088 +/-    0.0000
Ecliptic XDOT         0.00134406 +/-    0.0000
Ecliptic YDOT        -0.00260765 +/-    0.0000
Ecliptic ZDOT        -0.00045530 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   39.04313337 +/-    0.0012
Geocenter to KBO     38.04121565 +/-    0.0015
# Hcoef:  7.21

The following table shows the complete astrometric record for 06HP122. 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 (06HP122) followed by the observatory code and reference code for the source of the astrometry.

2006 04  26.09231  13 55 55.72   -10 06 03.2   22.3R 06HP122   807  Cr3609      
2006 04  26.17560  13 55 55.33   -10 06 01.1         06HP122   807  Cr3609      
2006 05  01.34341  13 55 30.06   -10 03 58.2   23.0R 06HP122   695  Cr3609      
2006 05  01.42233  13 55 29.65   -10 03 56.1         06HP122   695  Cr3609      
2006 05  02.40017  13 55 24.91   -10 03 32.9         06HP122   695  Cr3609      
2006 06  19.97968  13 52 23.51   -09 50 14.2   23.3R 06HP122   304  Cr4858      
2006 06  20.07409  13 52 23.30   -09 50 13.6         06HP122   304  Cr4858      
2006 07  27.98951  13 52 09.01   -09 52 08.9   22.5R 06HP122   304  Cr5556      
2006 07  28.04008  13 52 09.08   -09 52 09.5         06HP122   304  Cr5556      
2007 07  11.98142  13 57 37.83   -10 36 41.2         06HP122   304  Cz1649      
2007 07  12.13966  13 57 37.78   -10 36 41.8         06HP122   304  Cz1649      
2008 06  07.02206  14 04 24.34   -11 26 37.5         06HP122   807  Cz1649      
2008 06  07.08955  14 04 24.11   -11 26 36.6         06HP122   807  Cz1649      
2008 06  07.17949  14 04 23.80   -11 26 35.7         06HP122   807  Cz1649      
2008 06  09.02542  14 04 17.80   -11 26 10.9         06HP122   807  Cz1649      
2008 06  09.15899  14 04 17.38   -11 26 09.1         06HP122   807  Cz1649      
2016 03  13.41212  14 57 08.07   -17 42 02.9   23.1R 06HP122   G37  C~1pPo      
2016 03  13.50269  14 57 07.84   -17 42 02.2         06HP122   G37  C~1pPo      

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    -0.27       0.00    -0.42
  2   0.0002     -6.13     0.07      -0.04    -0.19
  3   0.0144   -398.76 (   0.57)    -14.80 (  -0.19)
  4   0.0146   -405.17     0.19     -14.94    -0.08
  5   0.0173   -478.88     0.04     -17.59     0.16
  6   0.1503  -3269.35    -0.12    -206.11     0.20
  7   0.1505  -3272.47    -0.16    -206.64     0.15
  8   0.2543  -3429.86     0.15    -388.70    -0.19
  9   0.2545  -3428.68     0.16    -388.90    -0.13
 10   1.2098   2051.58    -0.20   -1199.96    -0.03
 11   1.2103   2051.09    -0.09   -1200.78    -0.10
 12   2.1162   8707.62     0.06   -1953.65     0.34
 13   2.1164   8704.13     0.07   -1953.96     0.31
 14   2.1166   8699.53     0.13   -1954.67    -0.04
 15   2.1217   8607.99    -0.10   -1961.49     0.01
 16   2.1220   8601.56     0.09   -1961.90     0.15
 17   9.8818  61102.18    -0.09   -9047.42    -0.11
 18   9.8820  61098.54     0.06   -9047.68    -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.

06HP122    quality flag:3

Type:      CLASSICAL CLASSICAL CLASSICAL

axisobj        45.944    45.969    45.919
ecceobj         0.160     0.160     0.159
incobj          9.113     9.113     9.114
qmin           37.815    37.863    37.807
qmax           55.207    55.220    55.157
amean          46.324    46.350    46.295
amin           45.931    45.945    45.900
amax           46.788    46.803    46.769
emean           0.166     0.167     0.166
emin            0.153     0.154     0.152
emax            0.181     0.180     0.180
imean           8.158     8.156     8.157
imin            7.558     7.563     7.555
imax            8.736     8.748     8.731
excite_mean     0.219     0.219     0.218
fracstop        1.000     1.000     1.000
cjmean          3.071     3.071     3.071

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       179.2     179.2     179.1
kozaiamp        180.0     180.0     180.0