Orbit Fit and Astrometric record for 14TT115

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: 14TT115   
# Created Thu Apr 25 01:16:21 2024
# Orbit generated from Bernstein formalism
# Fitting     21 observations of     21
# Arc:   3.89y
# First observation: 2013/11/05
#  Last observation: 2017/09/24
Preliminary a, adot, b, bdot, g, gdot:
   0.000017   0.014978  -0.000001   0.000530   0.018864   0.000000
# Chi-squared of fit:     6.90 DOF:     36 RMS:  0.10
# Min/Max residuals:    -0.20    0.24
# Exact a, adot, b, bdot, g, gdot:
  1.266151E-05  1.502181E-02 -2.441888E-07  5.325420E-04  1.885508E-02  1.104328E-03
# Covariance matrix:
  4.0706E-13 -3.1096E-13  3.6861E-15 -7.3067E-15 -2.1075E-13 -3.5311E-12
 -3.1096E-13  3.9681E-13 -5.5560E-15  1.1141E-14  2.5845E-13  5.4491E-12
  3.6861E-15 -5.5560E-15  2.6178E-13 -8.6308E-14 -6.2878E-15 -8.9699E-14
 -7.3067E-15  1.1141E-14 -8.6308E-14  3.9089E-14  1.1632E-14  1.7766E-13
 -2.1075E-13  2.5845E-13 -6.2878E-15  1.1632E-14  7.4565E-13  5.1975E-12
 -3.5311E-12  5.4491E-12 -8.9699E-14  1.7766E-13  5.1975E-12  8.5781E-11
#      lat0       lon0       xBary       yBary       zBary        JD0
   -8.398060   11.608426   -0.507760   -0.124076   -0.841281  2456601.536528
# Heliocentric elements and errors
Epoch:              2456600.5000  =  2013/11/04
Mean Anomaly:          143.80982 +/-     0.179
Argument of Peri:      131.39059 +/-     0.176
Long of Asc Node:       87.97298 +/-     0.005
Inclination:             8.52186 +/-     0.000
Eccentricity:         0.15109259 +/-    0.0003
Semi-Major Axis:     47.73924325 +/-    0.0062
Time of Perihelion: 2408472.5049 +/-      59.1
Perihelion:          40.52619712 +/-    0.0142
Aphelion:            54.95228939 +/-    0.0150
Period (y)              329.8538 +/-      0.06
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           52.12427968 +/-    0.0024
Ecliptic Y           11.22913747 +/-    0.0005
Ecliptic Z           -7.74595184 +/-    0.0004
Ecliptic XDOT        -0.00027863 +/-    0.0000
Ecliptic YDOT         0.00216914 +/-    0.0000
Ecliptic ZDOT         0.00005322 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   53.87980912 +/-    0.0023
Geocenter to KBO     53.03611603 +/-    0.0024
# Hcoef:  6.04

The following table shows the complete astrometric record for 14TT115. 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 (14TT115) followed by the observatory code and reference code for the source of the astrometry.

2013 11  05.03575  00 55 48.291  -03 08 31.99  23.7r 14TT115   807  C~1x8Y      
2013 11  05.07412  00 55 48.157  -03 08 32.61        14TT115   807  C~1x8Y      
2013 11  05.16849  00 55 47.879  -03 08 33.91        14TT115   807  C~1x8Y      
2014 10  02.30648  01 00 54.477  -02 35 50.08  23.3r 14TT115   W84  C~55SO      
2014 10  03.30462  01 00 50.892  -02 36 12.78  22.7i 14TT115   W84  C~55SO      
2014 11  16.15773  00 58 23.186  -02 48 56.77  23.5r 14TT115   W84  C~55SO      
2014 11  17.16263  00 58 20.447  -02 49 06.45  22.7z 14TT115   W84  C~55SO      
2015 09  04.27280  01 05 33.568  -02 03 00.96  23.2i 14TT115   W84  C~55SO      
2015 10  07.18457  01 03 44.585  -02 15 45.39  23.0r 14TT115   W84  C~55SO      
2015 12  05.05359  01 00 46.086  -02 29 08.89  23.5r 14TT115   W84  C~55SO      
2016 09  01.38391  01 08 44.748  -01 40 30.09  24.5g 14TT115   W84  C~55SO      
2016 10  23.16797  01 05 50.426  -01 59 43.83  23.5r 14TT115   W84  C~55SO      
2016 10  29.22883  01 05 29.394  -02 01 32.14  22.8i 14TT115   W84  C~55SO      
2016 11  05.21596  01 05 06.205  -02 03 22.60  23.2i 14TT115   W84  C~55SO      
2016 11  05.21735  01 05 06.205  -02 03 22.41  24.0r 14TT115   W84  C~55SO      
2016 11  06.12744  01 05 03.304  -02 03 35.53  23.3z 14TT115   W84  C~55SO      
2017 08  28.29502  01 12 00.403  -01 17 15.82  22.8r 14TT115   W84  C~55SO      
2017 08  28.36681  01 12 00.220  -01 17 17.37  22.9i 14TT115   W84  C~55SO      
2017 09  18.35085  01 10 59.693  -01 25 11.59  23.2r 14TT115   W84  C~55SO      
2017 09  24.25193  01 10 39.945  -01 27 29.14  23.4i 14TT115   W84  C~55SO      
2017 09  24.29404  01 10 39.796  -01 27 30.27  22.4z 14TT115   W84  C~55SO      

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    -0.01       0.00     0.14
     2   0.0001     -2.09    -0.20       0.21     0.13
     3   0.0004     -6.43     0.15       0.64     0.01
     4   0.9070   4989.92    -0.02      13.52    -0.03
     5   0.9097   4931.57    -0.03      13.65     0.02
     6   1.0298   2595.12     0.06     175.84    -0.20
     7   1.0325   2553.56     0.09     182.97    -0.10
     8   1.8295   9615.86    -0.04     187.29    -0.07
     9   1.9196   7810.14     0.09     124.07    -0.18
    10   2.0808   5031.19    -0.01     432.05     0.08
    11   2.8237  12791.63     0.08     306.05    -0.07
    12   2.9655   9926.32    -0.12     269.68     0.24
    13   2.9820   9593.07     0.05     293.65     0.02
    14   3.0012   9229.22    -0.17     328.30    -0.11
    15   3.0012   9229.29    -0.02     328.47     0.05
    16   3.0037   9184.05     0.07     333.45     0.01
    17   3.8118  16053.24    -0.03     437.12     0.11
    18   3.8120  16050.09    -0.10     436.77     0.12
    19   3.8694  15023.33    -0.01     356.79    -0.12
    20   3.8856  14695.28     0.14     346.51     0.03
    21   3.8857  14692.77     0.04     346.34    -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.

14TT115    quality flag:3

Type:           2:1E      2:1E      2:1E

axisobj        48.019    48.039    48.000
ecceobj         0.146     0.146     0.147
incobj          8.525     8.525     8.525
qmin           38.389    38.205    37.744
qmax           57.821    58.113    58.570
amean          47.796    47.796    47.796
amin           47.244    47.249    47.246
amax           48.437    48.428    48.432
emean           0.166     0.175     0.182
emin            0.127     0.144     0.144
emax            0.196     0.202     0.211
imean           6.668     6.294     6.316
imin            6.069     5.005     5.848
imax            7.153     7.108     7.100
excite_mean     0.203     0.206     0.213
fracstop        1.000     1.000     1.000
cjmean          3.098     3.096     3.093

libcent 0       179.7     179.9     180.2
libamp  0       138.5     140.2     141.3
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       184.8     161.1     185.3
kozaiamp        179.6     180.0     179.9