Orbit Fit and Astrometric record for 03YV179

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: 03YV179   
# Created Wed Dec 13 02:37:19 2017
# Orbit generated from Bernstein formalism
# Fitting   18 observations of   18
# Arc:   9.22y
# First observation: 2003/12/24
#  Last observation: 2013/03/12
Preliminary a, adot, b, bdot, g, gdot:
  -0.000867   0.025673  -0.000257   0.007203   0.024431   0.000000
# Chi-squared of fit:    20.93 DOF:   30 RMS:  0.19
# Min/Max residuals:    -0.44    0.37
# Exact a, adot, b, bdot, g, gdot:
  1.474186E-05  2.463808E-02  3.836251E-06  6.849340E-03  2.491644E-02 -4.439860E-03
# Covariance matrix:
  2.9859E-13 -1.3667E-13  3.0541E-14 -4.2594E-14  1.9495E-13 -6.3306E-13
 -1.3667E-13  1.9616E-13 -4.1321E-14  5.8132E-14  4.5729E-14  8.4937E-13
  3.0541E-14 -4.1321E-14  1.2784E-13 -3.2764E-14 -6.1076E-16 -1.9283E-13
 -4.2594E-14  5.8132E-14 -3.2764E-14  2.8597E-14  1.6417E-15  2.7095E-13
  1.9495E-13  4.5729E-14 -6.1076E-16  1.6417E-15  4.8139E-13  1.4527E-15
 -6.3306E-13  8.4937E-13 -1.9283E-13  2.7095E-13  1.4527E-15  3.9687E-12
#      lat0       lon0       xBary       yBary       zBary        JD0
    0.506759  112.136718    0.337916    0.008211   -0.920544  2452997.971253
# Heliocentric elements and errors
Epoch:              2452990.5000  =  2003/12/17
Mean Anomaly:          317.11418 +/-     0.016
Argument of Peri:       65.99605 +/-     0.026
Long of Asc Node:      109.88621 +/-     0.000
Inclination:            15.53742 +/-     0.000
Eccentricity:         0.22304278 +/-    0.0001
Semi-Major Axis:     47.41239518 +/-    0.0062
Time of Perihelion: 2467195.7037 +/-       4.4
Perihelion:          36.83740275 +/-    0.0060
Aphelion:            57.98738760 +/-    0.0084
Period (y)              326.4721 +/-      0.06
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X          -15.16050132 +/-    0.0004
Ecliptic Y           38.15702011 +/-    0.0010
Ecliptic Z            0.35511100 +/-    0.0000
Ecliptic XDOT        -0.00232561 +/-    0.0000
Ecliptic YDOT        -0.00148451 +/-    0.0000
Ecliptic ZDOT         0.00074842 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   41.06001811 +/-    0.0010
Geocenter to KBO     40.13415040 +/-    0.0011
# Hcoef:  7.16

The following table shows the complete astrometric record for 03YV179. 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 (03YV179) followed by the observatory code and reference code for the source of the astrometry.

2003 12  24.47051  07 36 00.08   +22 07 13.9   23.1g 03YV179   568  Cq9908      
2003 12  24.49375  07 35 59.96   +22 07 14.1   23.1g 03YV179   568  Cq9908      
2003 12  24.51699  07 35 59.85   +22 07 14.5   23.0g 03YV179   568  Cq9908      
2003 12  25.51227  07 35 54.87   +22 07 30.0   23.7g 03YV179   568  Cq9908      
2004 04  15.18181  07 29 55.67   +22 27 04.2         03YV179   675  Cq9908      
2004 04  15.23150  07 29 55.73   +22 27 04.1         03YV179   675  Cq9908      
2004 04  16.21833  07 29 57.17   +22 27 03.5         03YV179   675  Cq9908      
2005 01  08.36227  07 40 59.24   +22 20 41.4   23.1r 03YV179   568  Cq9908      
2005 01  08.40011  07 40 59.04   +22 20 42.1   22.9r 03YV179   568  Cq9908      
2005 01  08.43797  07 40 58.83   +22 20 42.7   22.9r 03YV179   568  Cq9908      
2005 01  15.38329  07 40 21.52   +22 22 39.4   23.3r 03YV179   568  Cq9908      
2005 01  15.38517  07 40 21.52   +22 22 39.2   23.5r 03YV179   568  Cq9908      
2006 01  28.45113  07 45 37.62   +22 34 54.1         03YV179   675  Cq9908      
2006 01  28.45734  07 45 37.60   +22 34 54.2         03YV179   675  Cq9908      
2006 01  29.28490  07 45 33.28   +22 35 07.5   23. R 03YV179   675  Cq9908      
2006 01  29.29072  07 45 33.24   +22 35 07.7         03YV179   675  Cq9908      
2013 03  12.13335  08 28 56.82   +23 22 30.7   22.6R 03YV179   G37  C~0qSV      
2013 03  12.27280  08 28 56.34   +23 22 32.1         03YV179   G37  C~0qSV      

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     0.18       0.00     0.11
  2   0.0001     -1.68     0.18      -0.07    -0.06
  3   0.0001     -3.25     0.28       0.07    -0.00
  4   0.0029    -74.05     0.10       4.18    -0.01
  5   0.3086  -5183.01     0.07     382.32     0.05
  6   0.3087  -5182.17    -0.02     382.34    -0.04
  7   0.3114  -5162.34    -0.04     384.78    -0.44
  8   1.0428   3962.87    -0.41    1485.43    -0.02
  9   1.0429   3960.02    -0.34    1485.65     0.04
 10   1.0430   3957.04    -0.39    1485.75    -0.01
 11   1.0620   3427.01    -0.19    1513.05     0.01
 12   1.0621   3427.04    -0.01    1512.86    -0.19
 13   2.0971   7618.35     0.19    2996.91     0.32
 14   2.0972   7618.06     0.37    2996.96     0.35
 15   2.0994   7556.73     0.09    2999.42    -0.04
 16   2.0994   7556.15    -0.06    2999.52     0.04
 17   9.2147  42719.05    -0.04   13652.07    -0.02
 18   9.2151  42712.00     0.06   13651.72    -0.09

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.

03YV179    quality flag:2

Type:       SCATNEAR  SCATNEAR  SCATEXTD

axisobj        47.165    47.183    47.147
ecceobj         0.217     0.217     0.217
incobj         15.556    15.557    15.556
qmin           36.095    36.139    36.148
qmax           58.671    58.680    58.590
amean          47.106    47.123    47.088
amin           46.674    46.697    46.660
amax           47.643    47.666    47.600
emean           0.214     0.214     0.214
emin            0.198     0.199     0.199
emax            0.232     0.231     0.231
imean          14.201    14.198    14.203
imin           13.638    13.631    13.641
imax           14.840    14.857    14.827
excite_mean     0.326     0.326     0.326
fracstop        1.000     1.000     1.000
cjmean          3.008     3.008     3.008

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       176.4     176.5     176.2
kozaiamp        180.0     180.0     179.9