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: 99RW214
# Created Fri May 2 02:36:29 2008
# Orbit generated from Bernstein formalism
# Fitting 14 observations of 15
# Arc: 1.31y
# First observation: 1999/09/06
# Last observation: 2000/12/28
Preliminary a, adot, b, bdot, g, gdot:
0.000000 0.022805 0.000000 0.000537 0.023755 0.000000
# Chi-squared of fit: 19.34 DOF: 22 RMS: 0.21
# Min/Max residuals: -0.39 0.46
# Exact a, adot, b, bdot, g, gdot:
1.448874E-05 2.285387E-02 -3.735780E-07 5.458572E-04 2.383456E-02 8.044933E-04
# Covariance matrix:
3.0396E-13 2.4116E-13 -9.7933E-16 1.6074E-14 4.9612E-13 2.4498E-11
2.4116E-13 1.9972E-12 -3.9545E-15 6.5045E-14 1.6859E-12 9.9368E-11
-9.7933E-16 -3.9545E-15 1.8043E-13 -1.7381E-13 -3.9998E-15 -2.5126E-13
1.6074E-14 6.5045E-14 -1.7381E-13 4.0735E-13 6.5665E-14 4.1358E-12
4.9612E-13 1.6859E-12 -3.9998E-15 6.5665E-14 1.9944E-12 1.0010E-10
2.4498E-11 9.9368E-11 -2.5126E-13 4.1358E-12 1.0010E-10 6.3235E-09
# lat0 lon0 xBary yBary zBary JD0
0.023257 1.749447 0.319402 0.000151 -0.948972 2451427.903683
# Heliocentric elements and errors
Epoch: 2451420.5000 = 1999/08/30
Mean Anomaly: 72.31960 +/- 1.470
Argument of Peri: 285.59813 +/- 1.852
Long of Asc Node: 0.37172 +/- 0.002
Inclination: 1.36530 +/- 0.002
Eccentricity: 0.02730330 +/- 0.0034
Semi-Major Axis: 43.24221495 +/- 0.0075
Time of Perihelion: 2430555.7200 +/- 424.0
Perihelion: 42.06155991 +/- 0.1461
Aphelion: 44.42286999 +/- 0.1462
Period (y) 284.3610 +/- 0.07
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X 42.90227499 +/- 0.0025
Ecliptic Y 0.99306147 +/- 0.0001
Ecliptic Z 0.01703386 +/- 0.0000
Ecliptic XDOT 0.00000813 +/- 0.0000
Ecliptic YDOT 0.00263512 +/- 0.0000
Ecliptic ZDOT 0.00006280 +/- 0.0000
# Distances at JD0 (AU)
Heliocenter to KBO 42.91377006 +/- 0.0025
Geocenter to KBO 41.95587595 +/- 0.0025
# Hcoef: 7.28
The following table shows the complete astrometric record for 99RW214. 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 (99RW214) followed by the observatory code and reference code for the source of the astrometry.
1999 09 06.40294 00 06 23.02 +00 43 01.7 22.9R 99RW214 568 Ca8546 1999 09 06.45602 00 06 22.78 +00 43 00.1 23.2R 99RW214 568 Ca8546 1999 09 06.49330 00 06 22.62 +00 42 59.3 23.7R 99RW214 568 Ca8546 1999 09 10.45020 00 06 06.14 +00 41 13.2 23.8R 99RW214 568 Ca8546 1999 09 10.46065 00 06 06.12 +00 41 13.1 23.6R 99RW214 568 Ca8546 1999 10 09.44664 00 04 00.86 +00 27 48.5 22.8R 99RW214 568 Ca8546 1999 10 09.49041 00 04 00.68 +00 27 47.4 23.4R 99RW214 568 Ca8546 1999 11 09.31979 00 02 09.54 +00 15 54.2 23.7R 99RW214 568 Ca8546 1999 11 09.36788 00 02 09.41 +00 15 53.6 23.3R 99RW214 568 Ca8546 2000 08 27.33078 00 11 45.55 +01 19 57.0 22.8R 99RW214 807 Cc0856 2000 08 27.40910 00 11 45.24 +01 19 54.2 99RW214 807 Cc0856 2000 08 28.51365 00 11 41.05 +01 19 27.1 23.1R 99RW214 568 Cc0856 2000 08 28.56796 00 11 40.86 +01 19 25.8 23.0R 99RW214 568 Cc0856 2000 12 27.21565 00 06 07.095 +00 43 53.09 23.3R 99RW214 568 Cl7431 2000 12 28.22237 00 06 08.286 +00 44 01.07 99RW214 568 Cl7431
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 0.14 0.00 0.15 2 0.0001 -3.94 -0.18 -0.04 0.07 3 0.0002 -6.46 -0.16 0.18 0.26 4 0.0111 -275.45 -0.22 1.12 -0.06 5 0.0111 -275.76 0.20 1.15 -0.04 6 0.0905 -2319.68 0.23 10.07 -0.08 7 0.0906 -2322.60 0.36 10.14 -0.05 8 0.1750 -4136.25 -0.29 18.85 -0.16 9 0.1751 -4138.28 -0.08 19.08 0.03 10 0.9745 5320.34 ( 1.01) 110.31 ( 0.67) 11 0.9747 5314.96 0.46 109.59 -0.11 12 0.9777 5246.48 -0.39 109.68 -0.20 13 0.9779 5243.35 -0.11 109.62 -0.30 14 1.3082 -198.73 0.03 142.13 0.24 15 1.3109 -179.16 0.01 142.35 0.25
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.
99RW214 quality flag:3 Type: CLASSICAL CLASSICAL CLASSICAL axisobj 43.210 43.235 43.192 ecceobj 0.027 0.035 0.019 incobj 1.367 1.367 1.367 qmin 41.193 40.804 41.493 qmax 44.860 45.342 44.570 amean 42.948 42.974 42.929 amin 42.629 42.645 42.602 amax 43.278 43.313 43.269 emean 0.020 0.029 0.014 emin 0.000 0.008 0.000 emax 0.038 0.047 0.030 imean 2.315 2.341 2.293 imin 1.239 1.260 1.219 imax 3.074 3.112 3.044 fracstop 1.000 1.000 1.000 cjmean 3.086 3.086 3.086 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 190.1 189.5 187.4 kozaiamp 180.0 180.0 180.0