Orbit Fit and Astrometric record for 03SN317

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: 03SN317   
# Created Thu Oct 18 01:08:16 2018
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting   36 observations of   36
# Arc:   8.16y
# First observation: 2000/10/02
#  Last observation: 2008/11/30
# Chi-squared of fit:    49.36 DOF:   66 RMS:  0.21
# Min/Max residuals:    -0.38    0.41
# Exact a, adot, b, bdot, g, gdot:
  1.514644E-05  2.450482E-02  1.544339E-06 -4.923919E-04  2.475478E-02  6.706342E-04
# Covariance matrix:
  9.5589E-13 -4.1890E-13 -1.5764E-14  7.8673E-15 -3.4305E-14 -1.5801E-12
 -4.1890E-13  2.0116E-13  8.0085E-15 -3.9908E-15  2.3727E-14  8.0187E-13
 -1.5764E-14  8.0085E-15  2.1830E-13 -4.5118E-14  1.2655E-15  3.3850E-14
  7.8673E-15 -3.9908E-15 -4.5118E-14  1.1499E-14 -4.7069E-16 -1.6865E-14
 -3.4305E-14  2.3727E-14  1.2655E-15 -4.7069E-16  1.6983E-13  1.0399E-13
 -1.5801E-12  8.0187E-13  3.3850E-14 -1.6865E-14  1.0399E-13  3.3888E-12
#      lat0       lon0       xBary       yBary       zBary        JD0
    0.975369   -4.372072   -0.233977    0.016277   -0.966749  2451819.841193
# Heliocentric elements and errors
Epoch:              2451820.5000  =  2000/10/03
Mean Anomaly:           42.31400 +/-     0.057
Argument of Peri:       94.51804 +/-     0.065
Long of Asc Node:      215.63272 +/-     0.005
Inclination:             1.49186 +/-     0.000
Eccentricity:         0.04342842 +/-    0.0001
Semi-Major Axis:     42.70172962 +/-    0.0033
Time of Perihelion: 2439840.7389 +/-      16.2
Perihelion:          40.84726084 +/-    0.0047
Aphelion:            44.55619840 +/-    0.0049
Period (y)              279.0464 +/-      0.03
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           41.26015339 +/-    0.0007
Ecliptic Y           -2.91436872 +/-    0.0001
Ecliptic Z            0.68772192 +/-    0.0000
Ecliptic XDOT         0.00027396 +/-    0.0000
Ecliptic YDOT         0.00270157 +/-    0.0000
Ecliptic ZDOT        -0.00005303 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   41.36864980 +/-    0.0007
Geocenter to KBO     40.39625967 +/-    0.0007
# Hcoef:  6.59

The following table shows the complete astrometric record for 03SN317. 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 (03SN317) followed by the observatory code and reference code for the source of the astrometry.

2000 10  02.34045  23 42 24.10   -00 50 32.5   23.2V 03SN317   645  cv2257      
2001 11  12.15140  23 45 13.97   -00 34 48.6   23.2V 03SN317   645  cv2257      
2002 10  11.31253  23 52 10.94   +00 09 07.1   23.0V 03SN317   645  cv2257      
2003 09  25.39223  23 58 31.96   +00 48 39.6         03SN317   568  Cq9897      
2003 09  25.43972  23 58 31.75   +00 48 38.3         03SN317   568  Cq9897      
2003 09  25.51165  23 58 31.44   +00 48 36.2         03SN317   568  Cq9897      
2003 09  27.35049  23 58 23.18   +00 47 41.7   23.0g 03SN317   568  Cq9897      
2003 09  27.40316  23 58 22.93   +00 47 40.2   22.7g 03SN317   568  Cq9897      
2003 09  27.44832  23 58 22.73   +00 47 39.0   22.9g 03SN317   568  Cq9897      
2003 10  19.217704 23 56 49.79   +00 37 18.2   22.3V 03SN317   645  C~2Jx9      
2003 10  19.218534 23 56 49.79   +00 37 18.2   22.5V 03SN317   645  C~2Jx9      
2003 10  19.221021 23 56 49.79   +00 37 18.2   23.6V 03SN317   645  C~2Jx9      
2003 10  23.214236 23 56 34.42   +00 35 34.4   22.4V 03SN317   645  C~2Jx9      
2003 10  23.215066 23 56 34.41   +00 35 34.5   21.9V 03SN317   645  C~2Jx9      
2003 10  23.217553 23 56 34.42   +00 35 34.4   24.6V 03SN317   645  C~2Jx9      
2003 11  20.136201 23 55 13.40   +00 26 10.1   22.6V 03SN317   645  C~2Jx9      
2003 11  20.137030 23 55 13.39   +00 26 10.2   22.3V 03SN317   645  C~2Jx9      
2003 11  20.139518 23 55 13.41   +00 26 10.1   23.9V 03SN317   645  C~2Jx9      
2003 11  22.27415  23 55 09.53   +00 25 42.0   22.8g 03SN317   568  Cq9897      
2003 11  22.37461  23 55 09.36   +00 25 40.7   22.7g 03SN317   568  Cq9897      
2004 09  06.37158  00 05 02.50   +01 29 04.4   22.4R 03SN317   695  Cq9897      
2004 09  06.44865  00 05 02.16   +01 29 02.2   22.3R 03SN317   695  Cq9897      
2004 09  11.30481  00 04 41.24   +01 26 46.2         03SN317   695  Cq9897      
2004 09  11.35125  00 04 41.03   +01 26 44.8         03SN317   695  Cq9897      
2004 09  11.39621  00 04 40.82   +01 26 43.5         03SN317   695  Cq9897      
2004 10  16.298433 00 02 07.59   +01 09 50.5   23.1V 03SN317   645  C~2Jx9      
2004 10  16.299262 00 02 07.59   +01 09 50.5   22.0V 03SN317   645  C~2Jx9      
2004 10  16.301750 00 02 07.59   +01 09 50.5   23.9V 03SN317   645  C~2Jx9      
2005 07  08.55090  00 12 44.79   +02 16 29.3   22.1r 03SN317   568  Cq9897      
2005 07  08.58900  00 12 44.78   +02 16 29.2   21.7r 03SN317   568  Cq9897      
2005 07  09.58094  00 12 44.40   +02 16 27.7   22.1r 03SN317   568  Cq9897      
2008 10  03.237044 00 23 39.94   +03 21 31.4   22.6V 03SN317   645  C~1GLN      
2008 10  03.237873 00 23 39.93   +03 21 31.3   22.3V 03SN317   645  C~1GLN      
2008 10  03.240361 00 23 39.92   +03 21 31.3   23.7V 03SN317   645  C~1GLN      
2008 11  30.12238  00 20 22.09   +02 59 17.5   22.8R 03SN317   688  C~02MR      
2008 11  30.25113  00 20 21.87   +02 59 16.1         03SN317   688  C~02MR      

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     0.30       0.00    -0.29
  2   1.1110      0.00    -0.02       0.00    -0.01
  3   2.0232      0.00    -0.01       0.00    -0.07
  4   2.9789      0.00    -0.14       0.00    -0.01
  5   2.9791      0.00    -0.03       0.00     0.10
  6   2.9793      0.00     0.25       0.00     0.13
  7   2.9843      0.00    -0.02       0.00     0.09
  8   2.9844      0.00    -0.17       0.00     0.14
  9   2.9846      0.00    -0.07       0.00     0.28
 10   3.0442      0.00     0.09       0.00    -0.35
 11   3.0442      0.00     0.14       0.00    -0.33
 12   3.0442      0.00     0.29       0.00    -0.26
 13   3.0551      0.00     0.07       0.00    -0.11
 14   3.0551      0.00    -0.03       0.00     0.02
 15   3.0551      0.00     0.26       0.00    -0.02
 16   3.1315      0.00    -0.07       0.00    -0.22
 17   3.1315      0.00    -0.20       0.00    -0.11
 18   3.1316      0.00     0.18       0.00    -0.18
 19   3.1374      0.00     0.06       0.00     0.23
 20   3.1377      0.00     0.22       0.00     0.21
 21   3.9289      0.00    -0.14       0.00     0.41
 22   3.9291      0.00    -0.24       0.00     0.34
 23   3.9424      0.00     0.06       0.00     0.37
 24   3.9425      0.00     0.01       0.00     0.29
 25   3.9427      0.00    -0.14       0.00     0.27
 26   4.0382      0.00     0.17       0.00    -0.23
 27   4.0382      0.00     0.22       0.00    -0.21
 28   4.0382      0.00     0.38       0.00    -0.14
 29   4.7644      0.00    -0.11       0.00     0.36
 30   4.7645      0.00    -0.03       0.00     0.30
 31   4.7673      0.00    -0.09       0.00     0.30
 32   8.0025      0.00     0.22       0.00    -0.31
 33   8.0025      0.00     0.13       0.00    -0.38
 34   8.0025      0.00     0.15       0.00    -0.31
 35   8.1609      0.00     0.01       0.00     0.15
 36   8.1613      0.00    -0.11       0.00     0.24

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.

03SN317    quality flag:3

Type:      CLASSICAL CLASSICAL CLASSICAL

axisobj        42.791    42.791    42.791
ecceobj         0.045     0.045     0.045
incobj          1.493     1.493     1.493
qmin           39.626    39.654    39.628
qmax           45.615    45.601    45.621
amean          42.542    42.542    42.542
amin           42.206    42.204    42.208
amax           42.892    42.877    42.897
emean           0.043     0.043     0.043
emin            0.017     0.018     0.017
emax            0.064     0.064     0.064
imean           3.731     3.731     3.731
imin            2.423     2.422     2.423
imax            4.729     4.727     4.730
excite_mean     0.078     0.078     0.078
fracstop        1.000     1.000     1.000
cjmean          3.077     3.077     3.077

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       183.5     183.5     183.3
kozaiamp        179.9     180.0     179.9