Orbit Fit and Astrometric record for 05RH52

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: 05RH52    
# Created Thu Nov 15 02:08:45 2018
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting   29 observations of   29
# Arc:  12.30y
# First observation: 2005/09/03
#  Last observation: 2017/12/20
# Chi-squared of fit:    39.46 DOF:   52 RMS:  0.21
# Min/Max residuals:    -0.41    0.42
# Exact a, adot, b, bdot, g, gdot:
  1.899818E-05  3.346335E-02  8.417480E-06  9.974636E-03  2.627813E-02  1.192906E-03
# Covariance matrix:
  2.2310E-13 -1.0600E-13  3.7802E-14 -2.6106E-14  6.0998E-14 -2.4858E-13
 -1.0600E-13  7.1579E-14 -2.6595E-14  1.9199E-14 -2.0610E-14  1.7568E-13
  3.7802E-14 -2.6595E-14  1.0167E-13 -2.2997E-14  1.3235E-14 -7.2047E-14
 -2.6106E-14  1.9199E-14 -2.2997E-14  1.1573E-14 -4.0625E-15  5.1027E-14
  6.0998E-14 -2.0610E-14  1.3235E-14 -4.0625E-15  1.5741E-13 -8.2173E-14
 -2.4858E-13  1.7568E-13 -7.2047E-14  5.1027E-14 -8.2173E-14  4.7500E-13
#      lat0       lon0       xBary       yBary       zBary        JD0
   12.415409  -18.792991    0.004153    0.217697   -0.988471  2453616.804973
# Heliocentric elements and errors
Epoch:              2453616.5000  =  2005/09/03
Mean Anomaly:            0.44427 +/-     0.000
Argument of Peri:       32.33665 +/-     0.002
Long of Asc Node:      306.13147 +/-     0.000
Inclination:            20.45908 +/-     0.000
Eccentricity:         0.74314564 +/-    0.0001
Semi-Major Axis:    151.79333459 +/-    0.0548
Time of Perihelion: 2452773.5061 +/-       0.8
Perihelion:          38.98877942 +/-    0.0196
Aphelion:           264.59788977 +/-    0.0966
Period (y)             1870.1966 +/-      1.01
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           36.13612603 +/-    0.0005
Ecliptic Y          -12.30327220 +/-    0.0002
Ecliptic Z            8.18197370 +/-    0.0001
Ecliptic XDOT         0.00102835 +/-    0.0000
Ecliptic YDOT         0.00332676 +/-    0.0000
Ecliptic ZDOT         0.00104167 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   39.04014245 +/-    0.0005
Geocenter to KBO     38.05446025 +/-    0.0006
# Hcoef:  7.49

The following table shows the complete astrometric record for 05RH52. 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 (05RH52) followed by the observatory code and reference code for the source of the astrometry.

2005 09  03.30423  22 31 51.90   +04 08 06.6   23.8g 05RH52    568  C~0X5h      
2005 09  03.34089  22 31 51.72   +04 08 06.1   24.3g 05RH52    568  C~0X5h      
2005 09  03.37755  22 31 51.53   +04 08 05.2   24.1g 05RH52    568  C~0X5h      
2005 09  05.27423  22 31 42.64   +04 07 21.5   24.1g 05RH52    568  C~0X5h      
2006 09  18.38911  22 36 58.61   +05 16 53.8   23.4r 05RH52    568  C~0X5h      
2006 09  18.43133  22 36 58.42   +05 16 52.6   23.3r 05RH52    568  C~0X5h      
2006 09  18.46363  22 36 58.29   +05 16 51.7   23.6r 05RH52    568  C~0X5h      
2006 09  19.22628  22 36 54.96   +05 16 31.6   23.8r 05RH52    568  C~0X5h      
2006 09  19.34272  22 36 54.46   +05 16 28.5   23.7r 05RH52    568  C~0X5h      
2006 09  19.36133  22 36 54.35   +05 16 28.3   23.7r 05RH52    568  C~0X5h      
2006 09  20.23813  22 36 50.52   +05 16 04.5   23.6r 05RH52    568  C~0X5h      
2006 11  23.13558  22 34 22.47   +04 50 36.2         05RH52    695  C~0X5h      
2006 11  24.15648  22 34 22.98   +04 50 23.1         05RH52    695  C~0X5h      
2006 11  24.16581  22 34 22.98   +04 50 23.0         05RH52    695  C~0X5h      
2007 09  14.28157  22 43 33.57   +06 33 15.4   23.1r 05RH52    568  C~0X5h      
2007 09  14.31239  22 43 33.41   +06 33 14.5   23.1r 05RH52    568  C~0X5h      
2007 09  14.33647  22 43 33.32   +06 33 13.9   23.1r 05RH52    568  C~0X5h      
2007 11  09.09328  22 40 35.97   +06 08 11.5   21.6r 05RH52    695  C~0X5h      
2007 11  09.20139  22 40 35.84   +06 08 09.0   21.9r 05RH52    695  C~0X5h      
2008 10  23.14652  22 47 18.33   +07 28 20.7   22.7r 05RH52    695  C~0X5h      
2008 10  23.29667  22 47 17.92   +07 28 16.6   23.3r 05RH52    695  C~0X5h      
2008 10  24.14400  22 47 15.73   +07 27 52.4   22.4r 05RH52    695  C~0X5h      
2009 06  20.41605  23 00 47.55   +09 02 48.2         05RH52    695  C~0X5h      
2009 06  20.45071  23 00 47.56   +09 02 49.1         05RH52    695  C~0X5h      
2009 06  21.39920  23 00 47.11   +09 03 13.5         05RH52    695  C~0X5h      
2009 07  25.36953  22 59 41.06   +09 11 12.7         05RH52    675  C~0X5h      
2009 07  25.48306  22 59 40.69   +09 11 12.9         05RH52    675  C~0X5h      
2017 12  20.09888  23 41 59.913  +17 19 57.42  23.4R 05RH52    G37  C~2Uv5      
2017 12  20.22094  23 42 00.070  +17 19 55.18        05RH52    G37  C~2Uv5      

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     0.41       0.00    -0.37
  2   0.0001      0.00     0.33       0.00    -0.04
  3   0.0002      0.00     0.11       0.00    -0.11
  4   0.0054      0.00    -0.08       0.00    -0.11
  5   1.0406      0.00    -0.41       0.00    -0.15
  6   1.0407      0.00    -0.40       0.00    -0.22
  7   1.0408      0.00    -0.16       0.00    -0.26
  8   1.0429      0.00     0.10       0.00    -0.04
  9   1.0432      0.00     0.42       0.00    -0.03
 10   1.0433      0.00     0.02       0.00     0.26
 11   1.0457      0.00     0.08       0.00    -0.02
 12   1.2206      0.00     0.15       0.00     0.02
 13   1.2234      0.00     0.27       0.00     0.10
 14   1.2234      0.00     0.21       0.00     0.11
 15   2.0287      0.00    -0.08       0.00     0.24
 16   2.0288      0.00    -0.33       0.00     0.13
 17   2.0288      0.00     0.00       0.00     0.15
 18   2.1815      0.00    -0.17       0.00    -0.05
 19   2.1818      0.00    -0.22       0.00    -0.19
 20   3.1371      0.00    -0.04       0.00     0.21
 21   3.1376      0.00    -0.10       0.00     0.33
 22   3.1399      0.00    -0.19       0.00    -0.16
 23   3.7950      0.00    -0.29       0.00    -0.07
 24   3.7951      0.00     0.11       0.00    -0.08
 25   3.7977      0.00    -0.07       0.00    -0.03
 26   3.8907      0.00     0.01       0.00     0.40
 27   3.8910      0.00     0.11       0.00     0.32
 28  12.2951      0.00     0.10       0.00    -0.09
 29  12.2955      0.00     0.13       0.00    -0.23

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.

05RH52    quality flag:3

Type:       SCATNEAR  SCATNEAR  SCATNEAR

axisobj       158.028   158.028   158.029
ecceobj         0.753     0.753     0.753
incobj         20.446    20.446    20.446
qmin           37.146    36.865    36.880
qmax          283.063   281.485   282.781
amean         153.402   153.019   153.568
amin          148.959   149.016   149.174
amax          160.837   160.253   160.643
emean           0.748     0.748     0.749
emin            0.737     0.737     0.737
emax            0.760     0.760     0.761
imean          21.374    21.169    21.204
imin           21.107    20.632    20.782
imax           22.171    22.194    22.177
excite_mean     0.832     0.831     0.832
fracstop        1.000     1.000     1.000
cjmean          2.987     2.987     2.986

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        65.9      79.4      76.6
kozaiamp         29.8      49.4      46.4