Orbit Fit and Astrometric record for 03YP179

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: 03YP179   
# Created Tue Sep 27 01:11:22 2022
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting     22 observations of     22
# Arc:  17.05y
# First observation: 2003/12/24
#  Last observation: 2021/01/11
# Chi-squared of fit:    24.29 DOF:     38 RMS:  0.19
# Min/Max residuals:    -0.28    0.38
# Exact a, adot, b, bdot, g, gdot:
  1.624130E-05  2.495339E-02  3.978491E-07  2.962848E-04  2.478333E-02  1.446729E-03
# Covariance matrix:
  2.1090E-13 -1.1896E-14  4.6380E-16 -2.3555E-17  1.6367E-13 -1.1127E-15
 -1.1896E-14  5.0432E-14 -3.8298E-16  6.0048E-16  8.8361E-14  1.1441E-13
  4.6380E-16 -3.8298E-16  1.1573E-13 -7.8690E-15  9.1514E-17 -8.5270E-16
 -2.3555E-17  6.0048E-16 -7.8690E-15  1.2292E-15  1.1244E-15  1.3983E-15
  1.6367E-13  8.8361E-14  9.1514E-17  1.1244E-15  4.6663E-13  2.2031E-13
 -1.1127E-15  1.1441E-13 -8.5270E-16  1.3983E-15  2.2031E-13  2.6669E-13
#      lat0       lon0       xBary       yBary       zBary        JD0
    0.670292  110.289470    0.308255    0.010960   -0.930869  2452997.959983
# Heliocentric elements and errors
Epoch:              2452998.5000  =  2003/12/25
Mean Anomaly:           32.59433 +/-     0.031
Argument of Peri:        5.31086 +/-     0.038
Long of Asc Node:       66.28919 +/-     0.004
Inclination:             0.95032 +/-     0.000
Eccentricity:         0.08400459 +/-    0.0001
Semi-Major Axis:     44.32125192 +/-    0.0048
Time of Perihelion: 2443240.6070 +/-       9.5
Perihelion:          40.59806317 +/-    0.0051
Aphelion:            48.04444067 +/-    0.0058
Period (y)              295.0708 +/-      0.05
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X          -14.02853190 +/-    0.0004
Ecliptic Y           38.82625329 +/-    0.0010
Ecliptic Z            0.47203938 +/-    0.0000
Ecliptic XDOT        -0.00264513 +/-    0.0000
Ecliptic YDOT        -0.00081269 +/-    0.0000
Ecliptic ZDOT         0.00003475 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   41.28556510 +/-    0.0010
Geocenter to KBO     40.34971201 +/-    0.0011
# Hcoef:  7.41

The following table shows the complete astrometric record for 03YP179. 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 (03YP179) followed by the observatory code and reference code for the source of the astrometry.

2003 12  24.45924  07 28 13.21   +22 34 10.2   23.8g 03YP179   568  Cq9908      
2003 12  24.48237  07 28 13.08   +22 34 10.5   23.8g 03YP179   568  Cq9908      
2003 12  24.50560  07 28 12.97   +22 34 10.8   23.6g 03YP179   568  Cq9908      
2003 12  25.49901  07 28 07.92   +22 34 22.0   23.9g 03YP179   568  Cq9908      
2004 04  15.17628  07 22 18.76   +22 45 24.6         03YP179   675  Cq9908      
2004 04  15.22775  07 22 18.84   +22 45 24.8         03YP179   675  Cq9908      
2004 04  16.21143  07 22 20.42   +22 45 20.9         03YP179   675  Cq9908      
2005 01  08.34713  07 32 59.45   +22 25 02.4   23.6r 03YP179   568  Cq9908      
2005 01  08.38499  07 32 59.26   +22 25 02.7   23.8r 03YP179   568  Cq9908      
2005 01  08.42277  07 32 59.05   +22 25 03.3   23.4r 03YP179   568  Cq9908      
2006 01  29.31039  07 37 16.35   +22 16 24.1         03YP179   675  Cq9908      
2006 01  29.31675  07 37 16.29   +22 16 24.4         03YP179   675  Cq9908      
2006 01  29.39905  07 37 15.88   +22 16 25.2         03YP179   675  Cq9908      
2006 01  29.40634  07 37 15.85   +22 16 25.2   23. R 03YP179   675  Cq9908      
2013 03  12.12761  08 15 53.81   +20 35 55.5   23.0R 03YP179   G37  C~0qSV      
2013 03  12.26778  08 15 53.37   +20 35 56.7         03YP179   G37  C~0qSV      
2020 12  09.425010 09 07 29.603  +17 25 56.19  24.0G 03YP179   G37  C~4Txa      
2020 12  09.476070 09 07 29.474  +17 25 56.78        03YP179   G37  C~4Txa      
2020 12  09.520500 09 07 29.370  +17 25 57.24        03YP179   G37  C~4Txa      
2021 01  11.419940 09 05 33.681  +17 34 48.97  23.7G 03YP179   G37  C~4Txa      
2021 01  11.460560 09 05 33.484  +17 34 49.80        03YP179   G37  C~4Txa      
2021 01  11.501020 09 05 33.295  +17 34 50.58        03YP179   G37  C~4Txa      

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    -0.08       0.00    -0.03
     2   0.0001      0.00    -0.24       0.00     0.01
     3   0.0001      0.00    -0.09       0.00     0.05
     4   0.0028      0.00    -0.16       0.00     0.22
     5   0.3086      0.00     0.17       0.00    -0.10
     6   0.3087      0.00     0.20       0.00     0.32
     7   0.3114      0.00    -0.19       0.00     0.35
     8   1.0428      0.00    -0.25       0.00    -0.10
     9   1.0429      0.00    -0.02       0.00    -0.26
    10   1.0430      0.00    -0.08       0.00    -0.12
    11   2.0995      0.00     0.38       0.00    -0.24
    12   2.0995      0.00    -0.02       0.00    -0.02
    13   2.0998      0.00     0.19       0.00    -0.15
    14   2.0998      0.00     0.30       0.00    -0.24
    15   9.2147      0.00    -0.02       0.00     0.28
    16   9.2151      0.00    -0.15       0.00     0.25
    17  16.9609      0.00     0.26       0.00    -0.07
    18  16.9610      0.00     0.14       0.00    -0.06
    19  16.9612      0.00     0.17       0.00    -0.09
    20  17.0512      0.00    -0.02       0.00    -0.01
    21  17.0513      0.00    -0.20       0.00     0.02
    22  17.0514      0.00    -0.28       0.00     0.00

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.

03YP179    quality flag:3

Type:      CLASSICAL CLASSICAL CLASSICAL

axisobj        44.237    44.237    44.237
ecceobj         0.085     0.085     0.085
incobj          0.948     0.948     0.948
qmin           39.268    39.319    39.284
qmax           49.202    49.177    49.171
amean          44.098    44.099    44.099
amin           43.736    43.747    43.745
amax           44.479    44.493    44.479
emean           0.090     0.090     0.090
emin            0.072     0.071     0.072
emax            0.107     0.106     0.106
imean           0.961     0.961     0.961
imin            0.071     0.069     0.069
imax            1.631     1.631     1.631
excite_mean     0.092     0.092     0.092
fracstop        1.000     1.000     1.000
cjmean          3.092     3.092     3.092

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       188.7     188.9     188.4
kozaiamp        180.0     180.0     180.0