Orbit Fit and Astrometric record for 02PH149

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: 02PH149   
# Created Wed Dec 13 02:37:12 2017
# Orbit generated from Bernstein formalism
# Fitting    3 observations of    3
# Arc:   1.00d
# First observation: 2002/08/11
#  Last observation: 2002/08/12
# WARNING Fitting with energy constraint
# WARNING and with gdot fixed = 0
# Chi-squared of fit:     0.42 DOF:    2 RMS:  0.07
# Min/Max residuals:    -0.10    0.11
# Exact a, adot, b, bdot, g, gdot:
  1.558202E-05  2.490349E-02 -2.050787E-06 -3.354604E-03  2.522937E-02  0.000000E+00
# Covariance matrix:
  3.5793E-11  5.4524E-08  3.8868E-14  1.6881E-10  8.9010E-09  0.0000E+00
  5.4524E-08  8.6592E-05  6.0066E-11  2.6632E-07  1.3993E-05  0.0000E+00
  3.8868E-14  6.0066E-11  8.8834E-13 -3.5686E-10  9.8034E-12  0.0000E+00
  1.6881E-10  2.6632E-07 -3.5686E-10  3.2063E-07  4.3141E-08  0.0000E+00
  8.9010E-09  1.3993E-05  9.8034E-12  4.3141E-08  2.2696E-06  0.0000E+00
  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  2.1132E-04
#      lat0       lon0       xBary       yBary       zBary        JD0
   -4.893168  -39.120829    0.048584   -0.086697   -1.012412  2452497.716583
# Heliocentric elements and errors
Epoch:              2452490.5000  =  2002/08/04
Mean Anomaly:          349.81850 +/-   174.559
Argument of Peri:      222.41896 +/-   240.172
Long of Asc Node:      109.21459 +/-    10.662
Inclination:             9.05073 +/-     2.704
Eccentricity:         0.01652258 +/-    0.5677
Semi-Major Axis:     41.31695581 +/-   21.4201
Time of Perihelion: 2455233.9689 +/-  532053.3
Perihelion:          40.63429298 +/-   31.5283
Aphelion:            41.99961863 +/-   32.0056
Period (y)              265.5832 +/-    206.53
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           31.39624040 +/-    1.8294
Ecliptic Y          -25.59080121 +/-    1.4881
Ecliptic Z           -3.38099669 +/-    0.2019
Ecliptic XDOT         0.00167331 +/-    0.0013
Ecliptic YDOT         0.00211360 +/-    0.0012
Ecliptic ZDOT        -0.00036250 +/-    0.0001
# Distances at JD0 (AU)
Heliocenter to KBO   40.64534606 +/-    1.6956
Geocenter to KBO     39.63634554 +/-    2.3668
# Hcoef:  6.62

The following table shows the complete astrometric record for 02PH149. 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 (02PH149) followed by the observatory code and reference code for the source of the astrometry.

2002 08  11.21584  21 39 40.92   -19 10 01.8   22.3R 02PH149   807  Cg3357      
2002 08  12.12272  21 39 36.47   -19 10 25.5         02PH149   807  Cg3357      
2002 08  12.21905  21 39 36.00   -19 10 28.2         02PH149   807  Cg3357      

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     0.01       0.00    -0.01
  2   0.0025    -67.33    -0.05      -1.80     0.11
  3   0.0027    -74.51     0.04      -2.18    -0.10

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.

02PH149    quality flag:0

Type:      ERR2LARGE ERR2LARGE ERR2LARGE

axisobj         0.000     0.000     0.000
ecceobj        -1.000    -1.000    -1.000
incobj         -1.000    -1.000    -1.000
qmin            0.000     0.000     0.000
qmax            0.000     0.000     0.000
amean           0.000     0.000     0.000
amin            0.000     0.000     0.000
amax            0.000     0.000     0.000
emean           0.000     0.000     0.000
emin            0.000     0.000     0.000
emax            0.000     0.000     0.000
imean           0.000     0.000     0.000
imin            0.000     0.000     0.000
imax            0.000     0.000     0.000
excite_mean     0.000     0.000     0.000
fracstop        0.000     0.000     0.000
cjmean          0.000     0.000     0.000

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         0.0       0.0       0.0
kozaiamp          0.0       0.0       0.0