The following information shows the result of the orbit fit based on Gary Bernstein's method. Most of the information should be self-explanatory.
# Object: MA8388 # Created Fri May 2 02:37:03 2008 # Orbit generated from Bernstein formalism # Fitting 2 observations of 2 # Arc: 3.25h # First observation: 2004/07/16 # Last observation: 2004/07/16 # WARNING Fitting with energy constraint # WARNING and with gdot fixed = 0 # WARNING MRQMIN stopped after 13 iterations -- oscilliatory solution # Chi-squared of fit: 0.25 DOF: 0 RMS: 0.06 # Min/Max residuals: -0.02 0.02 # Exact a, adot, b, bdot, g, gdot: 1.129457E-05 3.824145E-02 -2.319347E-05 -7.852903E-02 5.376714E-02 0.000000E+00 # Covariance matrix: 3.6536E-10 1.2380E-06 4.4718E-12 1.1119E-08 2.1650E-07 0.0000E+00 1.2380E-06 4.2115E-03 1.5202E-08 3.8047E-05 7.3421E-04 0.0000E+00 4.4718E-12 1.5202E-08 1.0266E-12 2.3204E-09 2.6532E-09 0.0000E+00 1.1119E-08 3.8047E-05 2.3204E-09 2.0447E-05 6.5720E-06 0.0000E+00 2.1650E-07 7.3421E-04 2.6532E-09 6.5720E-06 1.2864E-04 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 2.0454E-03 # lat0 lon0 xBary yBary zBary JD0 -2.169894 -42.015583 0.413607 -0.035197 -0.931151 2453202.636993 # Heliocentric elements and errors Epoch: 2453200.5000 = 2004/07/14 Mean Anomaly: 358.71185 +/- 64.736 Argument of Peri: 184.80171 +/- 127.360 Long of Asc Node: 135.76513 +/- 1.947 Inclination: 64.17902 +/- 38.456 Eccentricity: 0.30393552 +/- 0.1349 Semi-Major Axis: 28.05192372 +/- 7.3098 Time of Perihelion: 2453394.6802 +/- 9758.3 Perihelion: 19.52594780 +/- 6.3413 Aphelion: 36.57789965 +/- 10.2554 Period (y) 148.5772 +/- 58.07 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X 14.21978869 +/- 2.9126 Ecliptic Y -13.36912869 +/- 2.6243 Ecliptic Z -0.70462714 +/- 0.1486 Ecliptic XDOT 0.00118872 +/- 0.0026 Ecliptic YDOT 0.00154110 +/- 0.0026 Ecliptic ZDOT -0.00399576 +/- 0.0009 # Distances at JD0 (AU) Heliocenter to KBO 19.53029677 +/- 2.7792 Geocenter to KBO 18.59872194 +/- 3.9233 # Hcoef: 9.52
The following table shows the complete astrometric record for MA8388. 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 (MA8388) followed by the observatory code and reference code for the source of the astrometry.
2004 07 16.13625 21 24 29.230 -17 30 18.80 22.1R MA8388 807 2004 07 16.27171 21 24 27.997 -17 30 31.26 MA8388 807
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 0.02 2 0.0004 -20.63 0.01 -6.38 -0.02
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.
MA8388 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 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