Orbit Fit and Astrometric record for 14RL86

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: 14RL86    
# Created Sat Dec  4 02:12:40 2021
# Orbit generated from Bernstein formalism
# Fitting     25 observations of     25
# Arc:   3.96y
# First observation: 2013/10/30
#  Last observation: 2017/10/15
Preliminary a, adot, b, bdot, g, gdot:
  -0.001084   0.026425   0.000262   0.002427   0.024246   0.000000
# Chi-squared of fit:    12.80 DOF:     44 RMS:  0.13
# Min/Max residuals:    -0.37    0.22
# Exact a, adot, b, bdot, g, gdot:
  1.817406E-05  2.490276E-02  2.065747E-06  2.330760E-03  2.238044E-02 -1.003452E-02
# Covariance matrix:
  7.3285E-13 -6.8610E-13 -9.7175E-14 -3.3047E-14 -6.3332E-13 -5.2120E-12
 -6.8610E-13  8.5811E-13  6.2693E-15  3.7187E-14  2.7140E-13  6.9079E-12
 -9.7175E-14  6.2693E-15  3.6762E-13 -6.1329E-14  7.0106E-13  1.7091E-13
 -3.3047E-14  3.7187E-14 -6.1329E-14  3.2538E-14  5.2872E-14  3.1724E-13
 -6.3332E-13  2.7140E-13  7.0106E-13  5.2872E-14  3.3488E-12  2.8180E-12
 -5.2120E-12  6.9079E-12  1.7091E-13  3.1724E-13  2.8180E-12  5.7743E-11
#      lat0       lon0       xBary       yBary       zBary        JD0
  -28.271031  -55.253863   -0.991722    0.014168    0.026096  2456595.560038
# Heliocentric elements and errors
Epoch:              2456590.5000  =  2013/10/25
Mean Anomaly:          352.40762 +/-     0.017
Argument of Peri:      332.29098 +/-     0.029
Long of Asc Node:       23.74241 +/-     0.001
Inclination:            28.85548 +/-     0.000
Eccentricity:         0.69159994 +/-    0.0005
Semi-Major Axis:    122.60013829 +/-    0.1816
Time of Perihelion: 2467047.5821 +/-       3.4
Perihelion:          37.80989036 +/-    0.0800
Aphelion:           207.39038623 +/-    0.3124
Period (y)             1357.5150 +/-      3.02
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           23.22643461 +/-    0.0018
Ecliptic Y          -31.74258399 +/-    0.0026
Ecliptic Z          -21.16321013 +/-    0.0017
Ecliptic XDOT         0.00195782 +/-    0.0000
Ecliptic YDOT         0.00251204 +/-    0.0000
Ecliptic ZDOT         0.00083268 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   44.66475530 +/-    0.0023
Geocenter to KBO     44.68187912 +/-    0.0037
# Hcoef:  6.96

The following table shows the complete astrometric record for 14RL86. 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 (14RL86) followed by the observatory code and reference code for the source of the astrometry.

2013 10  30.05926  21 06 11.360  -46 15 16.48  24.0g 14RL86    W84  C~52Tw      
2014 09  15.10426  21 15 33.780  -46 00 33.93  23.2r 14RL86    W84  C~52Tw      
2014 09  16.10309  21 15 29.161  -46 00 19.57  24.4g 14RL86    W84  C~52Tw      
2014 09  20.09081  21 15 11.374  -45 59 16.26  23.4r 14RL86    W84  C~52Tw      
2014 09  24.06584  21 14 55.003  -45 58 01.01  24.4g 14RL86    W84  C~52Tw      
2014 09  24.06721  21 14 55.014  -45 58 01.08  23.4i 14RL86    W84  C~52Tw      
2014 09  27.04537  21 14 43.657  -45 56 56.69  23.8g 14RL86    W84  C~52Tw      
2014 09  27.05980  21 14 43.609  -45 56 56.39  23.2i 14RL86    W84  C~52Tw      
2014 09  27.06948  21 14 43.595  -45 56 56.19  23.0i 14RL86    W84  C~52Tw      
2014 10  20.05294  21 13 47.560  -45 45 16.55  23.6r 14RL86    W84  C~52Tw      
2014 10  20.05430  21 13 47.566  -45 45 16.64  23.3i 14RL86    W84  C~52Tw      
2016 09  24.06448  21 30 05.017  -44 35 01.76  23.2r 14RL86    W84  C~52Tw      
2016 09  24.06586  21 30 05.020  -44 35 01.75  23.2i 14RL86    W84  C~52Tw      
2016 09  24.06723  21 30 05.012  -44 35 01.62  24.3g 14RL86    W84  C~52Tw      
2016 09  25.99052  21 29 57.097  -44 34 25.64  23.2z 14RL86    W84  C~52Tw      
2016 10  02.05885  21 29 34.324  -44 32 13.73  22.9r 14RL86    W84  C~52Tw      
2016 10  02.06023  21 29 34.331  -44 32 13.59  22.5i 14RL86    W84  C~52Tw      
2016 10  02.06161  21 29 34.290  -44 32 13.94  24.0g 14RL86    W84  C~52Tw      
2017 09  12.13631  21 38 35.787  -43 51 48.13  23.2r 14RL86    W84  C~52Tw      
2017 09  12.13905  21 38 35.775  -43 51 48.25  23.2r 14RL86    W84  C~52Tw      
2017 09  12.14042  21 38 35.737  -43 51 48.44  23.7g 14RL86    W84  C~52Tw      
2017 09  28.06012  21 37 21.895  -43 48 22.36  22.9i 14RL86    W84  C~52Tw      
2017 09  28.06285  21 37 21.862  -43 48 22.48  23.1i 14RL86    W84  C~52Tw      
2017 10  15.09997  21 36 27.484  -43 41 02.96  23.7r 14RL86    W84  C~52Tw      
2017 10  15.10135  21 36 27.486  -43 41 02.97  23.9g 14RL86    W84  C~52Tw      

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    -0.12       0.00    -0.09
     2   0.8762   5797.28    -0.27   -1169.07    -0.11
     3   0.8790   5757.37     0.19   -1138.53     0.14
     4   0.8899   5606.43     0.05   -1013.49     0.04
     5   0.9008   5473.37     0.06    -882.64    -0.07
     6   0.9008   5473.45     0.19    -882.74    -0.22
     7   0.9089   5385.35    -0.10    -780.61     0.08
     8   0.9090   5384.99    -0.05    -780.16     0.03
     9   0.9090   5384.93     0.16    -779.92    -0.07
    10   0.9719   5082.75    -0.00      81.22     0.18
    11   0.9719   5082.78     0.02      81.11     0.02
    12   2.9021  16276.71    -0.06     124.69    -0.01
    13   2.9021  16276.74     0.02     124.69    -0.06
    14   2.9021  16276.72     0.04     124.84     0.04
    15   2.9074  16212.99    -0.02     191.64     0.15
    16   2.9240  16040.71    -0.03     409.84     0.07
    17   2.9240  16040.84     0.13     409.94     0.12
    18   2.9240  16040.29    -0.37     409.79    -0.08
    19   3.8688  22401.26     0.14     246.74     0.09
    20   3.8688  22401.09     0.11     246.69    -0.05
    21   3.8688  22400.63    -0.28     246.69    -0.09
    22   3.9124  21754.25     0.22     771.46     0.10
    23   3.9124  21753.87    -0.07     771.50     0.04
    24   3.9590  21397.10    -0.00    1419.71    -0.10
    25   3.9590  21397.12     0.03    1419.69    -0.18

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.

14RL86    quality flag:3

Type:       SCATNEAR  SCATNEAR  SCATNEAR

axisobj       124.443   124.949   123.942
ecceobj         0.696     0.698     0.695
incobj         28.866    28.866    28.866
qmin           36.579    35.699    35.108
qmax          217.922   221.201   219.070
amean         123.761   124.448   123.372
amin          121.330   121.322   120.574
amax          127.842   129.045   127.769
emean           0.695     0.697     0.697
emin            0.686     0.683     0.681
emax            0.706     0.715     0.715
imean          28.467    28.460    28.136
imin           28.018    27.190    26.602
imax           29.051    29.479    29.468
excite_mean     0.843     0.844     0.841
fracstop        1.000     1.000     1.000
cjmean          2.804     2.804     2.804

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       277.4     113.9     118.0
kozaiamp        180.0     180.0     180.0