Orbit Fit and Astrometric record for 15FP36

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: 15FP36    
# Created Fri Oct 20 01:38:37 2017
# Orbit generated from Bernstein formalism
# Fitting   41 observations of   43
# Arc:  13.05y
# First observation: 2003/03/23
#  Last observation: 2016/04/10
Preliminary a, adot, b, bdot, g, gdot:
  -0.000015   0.043934  -0.001241   0.017886   0.057394   0.000000
# Chi-squared of fit:    45.72 DOF:   76 RMS:  0.19
# Min/Max residuals:    -0.62    0.37
# Exact a, adot, b, bdot, g, gdot:
  1.727539E-05  3.527339E-02  7.020210E-06  1.419172E-02  3.244058E-02 -1.074104E-02
# Covariance matrix:
  2.4481E-13 -2.6142E-14  1.2325E-15 -2.5047E-15  8.7458E-15 -1.1364E-14
 -2.6142E-14  5.3111E-14 -7.5349E-15  2.1243E-14  9.2419E-14  9.3041E-14
  1.2325E-15 -7.5349E-15  2.4031E-13 -2.2726E-14 -1.2391E-14 -1.3631E-14
 -2.5047E-15  2.1243E-14 -2.2726E-14  1.0578E-14  3.9078E-14  3.8522E-14
  8.7458E-15  9.2419E-14 -1.2391E-14  3.9078E-14  2.5390E-13  1.6947E-13
 -1.1364E-14  9.3041E-14 -1.3631E-14  3.8522E-14  1.6947E-13  1.6868E-13
#      lat0       lon0       xBary       yBary       zBary        JD0
   10.738537  176.168924   -0.107270    0.184287   -0.971738  2452721.694864
# Heliocentric elements and errors
Epoch:              2452720.5000  =  2003/03/22
Mean Anomaly:          321.82271 +/-     0.005
Argument of Peri:       96.83543 +/-     0.005
Long of Asc Node:      151.97463 +/-     0.000
Inclination:            23.98059 +/-     0.000
Eccentricity:         0.32902694 +/-    0.0000
Semi-Major Axis:     39.58726554 +/-    0.0030
Time of Perihelion: 2462368.4325 +/-       0.6
Perihelion:          26.56198864 +/-    0.0024
Aphelion:            52.61254244 +/-    0.0042
Period (y)              249.0815 +/-      0.03
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X          -31.21401046 +/-    0.0005
Ecliptic Y            1.98649279 +/-    0.0000
Ecliptic Z            5.74388048 +/-    0.0001
Ecliptic XDOT         0.00090597 +/-    0.0000
Ecliptic YDOT        -0.00304940 +/-    0.0000
Ecliptic ZDOT         0.00100803 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   31.80020072 +/-    0.0005
Geocenter to KBO     30.82559266 +/-    0.0005
# Hcoef:  7.17

The following table shows the complete astrometric record for 15FP36. 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 (15FP36) followed by the observatory code and reference code for the source of the astrometry.

2003 03  23.194121 12 03 14.81   +11 21 55.2   22.1V 15FP36    645  C~1qAW      
2003 03  23.194950 12 03 14.81   +11 21 55.2   21.7V 15FP36    645  C~1qAW      
2003 03  23.197438 12 03 14.79   +11 21 55.3   22.9V 15FP36    645  C~1qAW      
2003 03  31.218554 12 02 28.97   +11 27 34.3         15FP36    645  C~1qAW      
2003 03  31.219383 12 02 28.97   +11 27 34.3         15FP36    645  C~1qAW      
2003 03  31.221871 12 02 28.96   +11 27 34.4         15FP36    645  C~1qAW      
2014 04  28.47818  13 48 38.62   +09 44 17.3   23.4R 15FP36    F51  C~1k4O      
2014 04  28.48965  13 48 38.54   +09 44 17.9   22.0R 15FP36    F51  C~1k4O      
2014 04  28.50109  13 48 38.48   +09 44 18.2   21.8R 15FP36    F51  C~1k4O      
2014 04  28.51253  13 48 38.41   +09 44 18.2   22.5R 15FP36    F51  C~1k4O      
2014 06  21.29922  13 44 33.88   +09 49 29.5   22.2R 15FP36    F51  C~1k4O      
2014 06  21.31221  13 44 33.86   +09 49 29.3   22.4R 15FP36    F51  C~1k4O      
2014 06  21.32527  13 44 33.82   +09 49 29.0   22.5R 15FP36    F51  C~1k4O      
2015 03  18.447026 14 03 42.932  +08 51 39.52  21.2R 15FP36    F51  C~1OVw      
2015 03  18.459368 14 03 42.865  +08 51 40.60  20.7R 15FP36    F51  C~1OVw      
2015 03  18.471688 14 03 42.816  +08 51 41.32  21.1R 15FP36    F51  C~1OVw      
2015 03  18.483993 14 03 42.757  +08 51 41.89  20.8R 15FP36    F51  C~1OVw      
2015 03  21.530212 14 03 27.790  +08 54 37.33  21.0R 15FP36    568  C~1OVw      
2015 03  21.531510 14 03 27.782  +08 54 37.39  20.9R 15FP36    568  C~1OVw      
2015 03  21.532792 14 03 27.778  +08 54 37.44  21.0R 15FP36    568  C~1OVw      
2015 03  22.449318 14 03 23.14   +08 55 29.7   21.1R 15FP36    H01  C~1OVw      
2015 03  22.463684 14 03 23.07   +08 55 30.7   21.5R 15FP36    H01  C~1OVw      
2015 03  22.477582 14 03 22.99   +08 55 31.4   21.5R 15FP36    H01  C~1OVw      
2015 03  22.490991 14 03 22.92   +08 55 32.1   21.4R 15FP36    H01  C~1OVw      
2015 03  23.33289  14 03 18.63   +08 56 20.2   20.6V 15FP36    G84  C~1OVw      
2015 03  23.35852  14 03 18.48   +08 56 21.3   20.8V 15FP36    G84  C~1OVw      
2015 03  23.38425  14 03 18.35   +08 56 22.8   20.8V 15FP36    G84  C~1OVw      
2015 03  24.32384  14 03 13.47   +08 57 15.6   21.4V 15FP36    G84  C~1OVw      
2015 03  24.35024  14 03 13.28   +08 57 16.9   20.7V 15FP36    G84  C~1OVw      
2015 03  24.37582  14 03 13.13   +08 57 19.0   20.9V 15FP36    G84  C~1OVw      
2015 04  24.23832  14 00 07.91   +09 22 08.3   21.3R 15FP36    G37  C~1Rf5      
2015 04  24.40763  14 00 06.82   +09 22 14.7         15FP36    G37  C~1Rf5      
2016 01  30.46372  14 16 15.86   +07 46 18.1   21.0R 15FP36    695  C~1k4O      
2016 01  30.50773  14 16 15.90   +07 46 20.1         15FP36    695  C~1k4O      
2016 01  30.54909  14 16 15.97   +07 46 22.3         15FP36    695  C~1k4O      
2016 01  31.48655  14 16 17.19   +07 47 05.1   20.9R 15FP36    695  C~1k4O      
2016 01  31.51511  14 16 17.23   +07 47 06.1         15FP36    695  C~1k4O      
2016 02  04.47313  14 16 21.02   +07 50 14.2   22.3R 15FP36    G37  C~1lxB      
2016 02  04.53482  14 16 21.05   +07 50 17.2         15FP36    G37  C~1lxB      
2016 04  10.39899  14 12 42.497  +08 51 25.42  22.4w 15FP36    F51  C~1qnP      
2016 04  10.41002  14 12 42.410  +08 51 26.19  22.1w 15FP36    F51  C~1qnP      
2016 04  10.42127  14 12 42.348  +08 51 26.52  22.3w 15FP36    F51  C~1qnP      
2016 04  10.43231  14 12 42.266  +08 51 27.28  22.3w 15FP36    F51  C~1qnP      

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    -0.02       0.00    -0.02
  2   0.0000      0.00     0.06       0.00    -0.03
  3   0.0000     -0.31    -0.01      -0.03    -0.07
  4   0.0220   -753.57    -0.08      37.46     0.03
  5   0.0220   -753.57    -0.00      37.46     0.03
  6   0.0220   -753.75     0.06      37.50     0.05
  7  11.1000  92516.55    -0.12   38898.20    -0.13
  8  11.1001  92514.93    -0.36   38898.09     0.03
  9  11.1001  92513.80    -0.13   38897.87     0.07
 10  11.1001  92512.68     0.11   38897.26    -0.27
 11  11.2474  88438.24     0.00   37110.19    -0.02
 12  11.2474  88438.03     0.08   37109.83     0.12
 13  11.2475  88437.56    -0.10   37109.20    -0.00
 14  11.9870 109368.45     0.15   43897.44    -0.29
 15  11.9870 109366.66    -0.18   43897.90     0.00
 16  11.9871 109365.39     0.02   43898.16     0.11
 17  11.9871 109364.04     0.12   43898.18    -0.02
 18  11.9954 109003.30    -0.08   43933.63    -0.07
 19  11.9954 109003.12    -0.09   43933.61    -0.10
 20  11.9955 109003.03    -0.03   43933.62    -0.10
 21  11.9980 108892.58     0.19   43942.52     0.09
 22  11.9980 108890.79     0.17   43942.87     0.32
 23  11.9980 108889.00     0.09   43942.82     0.16
 24  11.9981 108887.38     0.12   43942.86     0.09
 25  12.0004 108785.41 (   0.32)  43950.86 (   0.58)
 26  12.0005 108782.18     0.27   43950.56     0.09
 27  12.0005 108779.07     0.35   43950.84     0.19
 28  12.0031 108664.24 (   0.71)  43958.03 (   0.04)
 29  12.0032 108660.21    -0.01   43957.56    -0.60
 30  12.0032 108656.40    -0.62   43958.26    -0.06
 31  12.0877 104633.15     0.16   43725.94     0.22
 32  12.0882 104611.02     0.21   43722.28     0.31
 33  12.8577 125199.79     0.04   47173.35    -0.09
 34  12.8578 125199.29    -0.26   47175.80    -0.25
 35  12.8579 125199.22    -0.12   47178.75     0.26
 36  12.8605 125195.26    -0.21   47234.70     0.07
 37  12.8606 125195.38     0.13   47236.12    -0.18
 38  12.8714 125148.79     0.15   47466.42     0.37
 39  12.8716 125147.48     0.07   47469.79     0.32
 40  13.0519 118895.01     0.26   49045.26    -0.16
 41  13.0519 118892.97    -0.20   49045.18    -0.10
 42  13.0520 118891.65     0.08   49044.90    -0.24
 43  13.0520 118889.71    -0.29   49044.87    -0.14

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.

15FP36    quality flag:3

Type:           3:2E      3:2E      3:2E

axisobj        39.201    39.210    39.193
ecceobj         0.326     0.326     0.325
incobj         24.055    24.055    24.055
qmin           25.823    25.815    25.823
qmax           53.804    53.757    53.796
amean          39.454    39.454    39.454
amin           39.014    39.048    39.012
amax           39.993    39.991    39.988
emean           0.275     0.275     0.275
emin            0.171     0.170     0.171
emax            0.345     0.345     0.345
imean          25.050    25.055    25.049
imin           22.539    22.537    22.536
imax           28.143    28.147    28.141
excite_mean     0.508     0.508     0.507
fracstop        1.000     1.000     1.000
cjmean          2.754     2.754     2.754

libcent 0       179.7     179.6     179.8
libamp  0        72.9      74.0      73.3
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        94.1      93.9      94.2
kozaiamp         65.8      65.8      65.9