Orbit Fit and Astrometric record for 99CL119

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: 99CL119   
# Created Fri Feb 22 02:07:29 2019
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting   77 observations of   77
# Arc:  18.18y
# First observation: 1999/02/11
#  Last observation: 2017/04/16
# Chi-squared of fit:   133.03 DOF:  148 RMS:  0.23
# Min/Max residuals:    -0.70    0.89
# Exact a, adot, b, bdot, g, gdot:
  1.219517E-05  1.847319E-02  6.178341E-06  7.952423E-03  2.184110E-02 -2.307879E-04
# Covariance matrix:
  9.5991E-14 -1.7189E-14  8.1469E-15 -5.3117E-15 -1.7559E-14 -3.5630E-14
 -1.7189E-14  9.8656E-15 -6.2927E-15  4.0893E-15 -5.2044E-15  2.7499E-14
  8.1469E-15 -6.2927E-15  7.7614E-14 -7.4132E-15  4.1017E-15 -1.8296E-14
 -5.3117E-15  4.0893E-15 -7.4132E-15  2.1662E-15 -2.5951E-15  1.1888E-14
 -1.7559E-14 -5.2044E-15  4.1017E-15 -2.5951E-15  1.0121E-13 -1.7811E-14
 -3.5630E-14  2.7499E-14 -1.8296E-14  1.1888E-14 -1.7811E-14  7.9950E-14
#      lat0       lon0       xBary       yBary       zBary        JD0
    0.594155  126.177740   -0.277734    0.009673   -0.953815  2451220.795213
# Heliocentric elements and errors
Epoch:              2451220.5000  =  1999/02/11
Mean Anomaly:          288.88631 +/-     0.836
Argument of Peri:       72.92198 +/-     0.844
Long of Asc Node:      125.15993 +/-     0.000
Inclination:            23.32760 +/-     0.000
Eccentricity:         0.00311592 +/-    0.0000
Semi-Major Axis:     46.78179131 +/-    0.0028
Time of Perihelion: 2474307.3355 +/-     271.7
Perihelion:          46.63602322 +/-    0.0029
Aphelion:            46.92755940 +/-    0.0029
Period (y)              319.9805 +/-      0.03
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X          -27.80461618 +/-    0.0004
Ecliptic Y           37.56113716 +/-    0.0005
Ecliptic Z            0.47506267 +/-    0.0000
Ecliptic XDOT        -0.00184770 +/-    0.0000
Ecliptic YDOT        -0.00138961 +/-    0.0000
Ecliptic ZDOT         0.00099651 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   46.73501443 +/-    0.0005
Geocenter to KBO     45.78528400 +/-    0.0007
# Hcoef:  6.09

The following table shows the complete astrometric record for 99CL119. 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 (99CL119) followed by the observatory code and reference code for the source of the astrometry.

1999 02  11.29447  08 34 51.17   +19 18 14.0   22.3R 99CL119   568  Ca4178      
1999 02  11.37670  08 34 50.80   +19 18 15.6   22.3R 99CL119   568  Ca4178      
1999 02  17.26347  08 34 25.46   +19 20 13.3   22.3R 99CL119   568  Ca4178      
1999 02  17.30662  08 34 25.28   +19 20 14.5   22.3R 99CL119   568  Ca4178      
1999 03  10.38367  08 33 06.89   +19 26 25.5   22.3R 99CL119   568  Ca4506      
1999 03  10.39741  08 33 06.84   +19 26 25.7   22.3R 99CL119   568  Ca4506      
1999 04  09.34053  08 32 06.43   +19 31 57.2   22.6R 99CL119   568  Ca4506      
1999 04  11.29882  08 32 05.04   +19 32 09.5   22.6R 99CL119   568  Ca4506      
1999 12  28.41958  08 42 58.13   +19 12 38.4   22.1R 99CL119   695  Ca8502      
1999 12  28.49390  08 42 57.85   +19 12 40.2   22.7R 99CL119   695  Ca8502      
1999 12  28.55970  08 42 57.61   +19 12 41.1   21.9R 99CL119   695  Ca8502      
1999 12  29.44564  08 42 54.25   +19 12 59.0   22.3R 99CL119   695  Ca8502      
1999 12  29.50881  08 42 54.02   +19 13 00.1   22.5R 99CL119   695  Ca8502      
1999 12  30.62664  08 42 49.69   +19 13 21.7         99CL119   568  Ca8502      
1999 12  31.60211  08 42 45.90   +19 13 41.2         99CL119   568  Ca8502      
1999 12  31.62312  08 42 45.81   +19 13 41.8         99CL119   568  Ca8502      
2001 03  11.06043  08 42 41.14   +19 47 23.2   22.2  99CL119   304  Ce8574      
2001 03  11.08751  08 42 41.05   +19 47 23.6         99CL119   304  Ce8574      
2002 02  03.61294  08 49 57.11   +19 45 21.1   22.2R 99CL119   568  Cf1463      
2002 02  04.48508  08 49 53.14   +19 45 40.2         99CL119   568  Cf1463      
2004 12  13.395013 09 07 56.14   +19 50 44.8   22.6V 99CL119   645  C~1BPS      
2004 12  13.395843 09 07 56.14   +19 50 44.8   22.6V 99CL119   645  C~1BPS      
2004 12  13.398330 09 07 56.13   +19 50 44.8   23.4V 99CL119   645  C~1BPS      
2007 02  15.21330  09 13 34.40   +20 29 28.3   22.2R 99CL119   688  Cu2274      
2007 02  15.31115  09 13 33.97   +20 29 29.5         99CL119   688  Cu2274      
2011 01  08.33423  09 35 54.57   +20 35 43.4   22.4R 99CL119   695  C~0U2H      
2011 01  08.47828  09 35 54.07   +20 35 47.2         99CL119   695  C~0U2H      
2011 01  08.54482  09 35 53.77   +20 35 48.5         99CL119   695  C~0U2H      
2011 01  30.53464  09 34 24.380  +20 45 44.78  22.6G 99CL119   F51  C~2r77      
2011 01  30.56722  09 34 24.227  +20 45 45.64  22.6G 99CL119   F51  C~2r77      
2011 01  30.58235  09 34 24.152  +20 45 46.09  22.5G 99CL119   F51  C~2r77      
2012 02  15.34682  09 38 10.865  +20 56 58.52  22.3G 99CL119   F51  C~2r77      
2012 02  15.36070  09 38 10.808  +20 56 58.54  22.4G 99CL119   F51  C~2r77      
2012 02  15.37457  09 38 10.734  +20 56 59.05  22.4G 99CL119   F51  C~2r77      
2012 02  15.38848  09 38 10.665  +20 56 59.49  22.2G 99CL119   F51  C~2r77      
2014 01  24.38251  09 49 39.184  +20 54 10.78  22.3G 99CL119   F51  C~2r77      
2014 01  24.39568  09 49 39.119  +20 54 11.68  23.0G 99CL119   F51  C~2r77      
2014 01  24.40887  09 49 39.036  +20 54 11.71  22.5G 99CL119   F51  C~2r77      
2014 01  24.42211  09 49 38.981  +20 54 12.26  22.5G 99CL119   F51  C~2r77      
2015 01  17.41571  09 55 04.868  +20 53 17.20  22.9G 99CL119   F51  C~2r77      
2015 01  17.42773  09 55 04.819  +20 53 17.23  23.2G 99CL119   F51  C~2r77      
2015 01  17.43975  09 55 04.794  +20 53 17.62  22.6G 99CL119   F51  C~2r77      
2015 01  17.45182  09 55 04.730  +20 53 18.28  22.5G 99CL119   F51  C~2r77      
2015 01  17.57681  09 55 04.255  +20 53 21.68  22.3G 99CL119   F51  C~2r77      
2015 01  17.58915  09 55 04.215  +20 53 22.28  22.4G 99CL119   F51  C~2r77      
2015 01  17.60150  09 55 04.164  +20 53 22.43  22.4G 99CL119   F51  C~2r77      
2015 01  17.61387  09 55 04.120  +20 53 22.53  22.0G 99CL119   F51  C~2r77      
2015 01  22.40263  09 54 45.537  +20 55 42.24  23.2G 99CL119   F51  C~2r77      
2015 01  22.41481  09 54 45.488  +20 55 42.50  23.0G 99CL119   F51  C~2r77      
2015 01  22.42696  09 54 45.429  +20 55 42.90  22.5G 99CL119   F51  C~2r77      
2015 01  22.43914  09 54 45.382  +20 55 43.36  23.1G 99CL119   F51  C~2r77      
2015 02  11.37068  09 53 20.238  +21 05 15.38  23.8G 99CL119   F51  C~2r77      
2015 02  12.38723  09 53 15.667  +21 05 43.11  22.3G 99CL119   F51  C~2r77      
2016 01  07.59910  10 00 36.480  +20 50 27.87  22.4G 99CL119   F51  C~2r77      
2016 01  07.61396  10 00 36.438  +20 50 28.29  22.6G 99CL119   F51  C~2r77      
2016 01  07.62887  10 00 36.376  +20 50 28.75  22.4G 99CL119   F51  C~2r77      
2016 01  07.64386  10 00 36.329  +20 50 29.17  22.9G 99CL119   F51  C~2r77      
2016 01  31.38893  09 59 07.325  +21 02 04.11  23.2G 99CL119   F51  C~2r77      
2016 02  05.38255  09 58 45.878  +21 04 30.08  23.1G 99CL119   F51  C~2r77      
2016 02  06.55679  09 58 40.743  +21 05 04.05  22.8G 99CL119   F51  C~2r77      
2016 02  06.56949  09 58 40.691  +21 05 04.37  22.6G 99CL119   F51  C~2r77      
2016 02  06.58217  09 58 40.643  +21 05 04.76  22.4G 99CL119   F51  C~2r77      
2016 02  06.59493  09 58 40.570  +21 05 05.22  23.1G 99CL119   F51  C~2r77      
2016 03  03.29332  09 56 47.230  +21 16 19.33  22.7G 99CL119   F51  C~2r77      
2016 03  03.30650  09 56 47.179  +21 16 19.92  22.5G 99CL119   F51  C~2r77      
2016 03  03.31970  09 56 47.120  +21 16 20.31  22.2G 99CL119   F51  C~2r77      
2016 03  03.33301  09 56 47.056  +21 16 20.68  22.6G 99CL119   F51  C~2r77      
2016 04  22.32063  09 54 15.049  +21 26 35.89  22.6G 99CL119   F51  C~2r77      
2017 02  18.35297  10 02 43.506  +21 12 38.55  22.6G 99CL119   F51  C~2r77      
2017 02  19.36446  10 02 38.990  +21 13 05.92  22.3G 99CL119   F51  C~2r77      
2017 02  24.50536  10 02 16.182  +21 15 20.39  23.3G 99CL119   F51  C~2r77      
2017 02  24.50611  10 02 16.166  +21 15 20.35  22.7G 99CL119   F51  C~2r77      
2017 02  24.51841  10 02 16.121  +21 15 20.74  23.0G 99CL119   F51  C~2r77      
2017 02  24.51918  10 02 16.114  +21 15 20.88  22.9G 99CL119   F51  C~2r77      
2017 02  24.53155  10 02 16.055  +21 15 21.09  22.0G 99CL119   F51  C~2r77      
2017 02  24.53233  10 02 16.065  +21 15 21.17  22.6G 99CL119   F51  C~2r77      
2017 04  16.38772  09 59 20.446  +21 28 29.79  23.1G 99CL119   F51  C~2r77      

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     0.23       0.00    -0.14
  2   0.0002      0.00     0.19       0.00    -0.23
  3   0.0163      0.00     0.21       0.00    -0.26
  4   0.0165      0.00     0.28       0.00     0.08
  5   0.0742      0.00     0.14       0.00     0.20
  6   0.0742      0.00     0.05       0.00     0.19
  7   0.1562      0.00     0.12       0.00    -0.09
  8   0.1615      0.00     0.23       0.00    -0.04
  9   0.8765      0.00    -0.14       0.00     0.20
 10   0.8767      0.00    -0.08       0.00     0.55
 11   0.8768      0.00     0.08       0.00     0.17
 12   0.8793      0.00    -0.16       0.00     0.53
 13   0.8794      0.00     0.06       0.00     0.39
 14   0.8825      0.00    -0.57       0.00    -0.34
 15   0.8852      0.00    -0.57       0.00    -0.46
 16   0.8852      0.00    -0.67       0.00    -0.28
 17   2.0774      0.00     0.04       0.00     0.17
 18   2.0775      0.00     0.01       0.00     0.15
 19   2.9797      0.00     0.17       0.00    -0.28
 20   2.9820      0.00     0.05       0.00    -0.70
 21   5.8374      0.00     0.19       0.00    -0.14
 22   5.8374      0.00     0.22       0.00    -0.15
 23   5.8374      0.00     0.17       0.00    -0.20
 24   8.0107      0.00    -0.27       0.00     0.75
 25   8.0110      0.00    -0.07       0.00    -0.32
 26  11.9070      0.00     0.47       0.00     0.19
 27  11.9074      0.00     0.89       0.00     0.18
 28  11.9076      0.00     0.04       0.00    -0.26
 29  11.9678      0.00    -0.13       0.00     0.14
 30  11.9679      0.00    -0.24       0.00     0.13
 31  11.9679      0.00    -0.35       0.00     0.17
 32  13.0104      0.00    -0.16       0.00     0.19
 33  13.0104      0.00    -0.07       0.00    -0.14
 34  13.0105      0.00    -0.23       0.00     0.01
 35  13.0105      0.00    -0.31       0.00     0.10
 36  14.9516      0.00     0.41       0.00    -0.23
 37  14.9517      0.00     0.27       0.00     0.29
 38  14.9517      0.00    -0.15       0.00    -0.06
 39  14.9518      0.00    -0.14       0.00     0.10
 40  15.9319      0.00    -0.11       0.00     0.10
 41  15.9319      0.00    -0.16       0.00    -0.22
 42  15.9320      0.00     0.16       0.00    -0.18
 43  15.9320      0.00    -0.11       0.00     0.12
 44  15.9323      0.00    -0.02       0.00    -0.10
 45  15.9324      0.00     0.09       0.00     0.14
 46  15.9324      0.00     0.04       0.00    -0.06
 47  15.9324      0.00     0.09       0.00    -0.32
 48  15.9455      0.00    -0.05       0.00     0.04
 49  15.9456      0.00    -0.05       0.00    -0.06
 50  15.9456      0.00    -0.19       0.00    -0.02
 51  15.9456      0.00    -0.16       0.00     0.09
 52  16.0002      0.00     0.73       0.00     0.33
 53  16.0030      0.00     0.20       0.00     0.09
 54  16.9043      0.00     0.10       0.00    -0.01
 55  16.9044      0.00     0.19       0.00    -0.01
 56  16.9044      0.00    -0.03       0.00     0.03
 57  16.9044      0.00    -0.01       0.00     0.03
 58  16.9695      0.00     0.06       0.00    -0.04
 59  16.9831      0.00    -0.09       0.00     0.01
 60  16.9863      0.00    -0.09       0.00     0.02
 61  16.9864      0.00    -0.03       0.00    -0.02
 62  16.9864      0.00     0.10       0.00     0.01
 63  16.9864      0.00    -0.15       0.00     0.10
 64  17.0568      0.00    -0.22       0.00    -0.34
 65  17.0568      0.00    -0.13       0.00    -0.06
 66  17.0569      0.00    -0.16       0.00     0.03
 67  17.0569      0.00    -0.25       0.00     0.10
 68  17.1938      0.00    -0.16       0.00     0.14
 69  18.0207      0.00    -0.00       0.00    -0.19
 70  18.0235      0.00    -0.16       0.00    -0.07
 71  18.0375      0.00     0.09       0.00    -0.05
 72  18.0375      0.00    -0.10       0.00    -0.11
 73  18.0376      0.00     0.05       0.00    -0.03
 74  18.0376      0.00    -0.00       0.00     0.09
 75  18.0376      0.00    -0.06       0.00    -0.01
 76  18.0376      0.00     0.15       0.00     0.05
 77  18.1768      0.00    -0.03       0.00    -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.

99CL119    quality flag:3

Type:       SCATEXTD  SCATEXTD  SCATEXTD

axisobj        46.917    46.917    46.917
ecceobj         0.005     0.005     0.005
incobj         23.294    23.294    23.294
qmin           46.000    45.998    46.001
qmax           48.013    48.012    48.015
amean          46.931    46.931    46.931
amin           46.558    46.558    46.558
amax           47.295    47.295    47.295
emean           0.007     0.007     0.007
emin            0.000     0.000     0.000
emax            0.016     0.016     0.016
imean          21.814    21.814    21.814
imin           21.596    21.596    21.596
imax           22.033    22.033    22.033
excite_mean     0.372     0.372     0.372
fracstop        1.000     1.000     1.000
cjmean          2.960     2.960     2.960

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       175.4     175.6     175.5
kozaiamp        180.0     180.0     180.0