Orbit Fit and Astrometric record for 14UP277

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: 14UP277   
# Created Fri Dec  3 02:12:51 2021
# Orbit generated from Bernstein formalism
# Fitting     11 observations of     11
# Arc:   3.98y
# First observation: 2014/10/27
#  Last observation: 2018/10/20
Preliminary a, adot, b, bdot, g, gdot:
   0.000167   0.035694   0.000013  -0.017901   0.032136   0.000000
# Chi-squared of fit:     7.05 DOF:     16 RMS:  0.14
# Min/Max residuals:    -0.38    0.26
# Exact a, adot, b, bdot, g, gdot:
  1.667027E-05  3.575705E-02 -8.776131E-06 -1.789743E-02  3.153884E-02  4.262840E-04
# Covariance matrix:
  4.8917E-13 -2.5442E-13 -3.2192E-14  5.0555E-14  1.3852E-13 -8.8418E-13
 -2.5442E-13  4.7623E-13  7.6604E-14 -2.0141E-13  2.9360E-13  3.2727E-12
 -3.2192E-14  7.6604E-14  4.0748E-13 -1.9018E-13  2.2312E-14  6.4881E-13
  5.0555E-14 -2.0141E-13 -1.9018E-13  1.9379E-13 -1.6270E-13 -1.7014E-12
  1.3852E-13  2.9360E-13  2.2312E-14 -1.6270E-13  8.8495E-13  2.4523E-12
 -8.8418E-13  3.2727E-12  6.4881E-13 -1.7014E-12  2.4523E-12  2.7654E-11
#      lat0       lon0       xBary       yBary       zBary        JD0
  -27.523616   36.050424    0.045779   -0.459360   -0.881935  2456957.765368
# Heliocentric elements and errors
Epoch:              2456950.5000  =  2014/10/20
Mean Anomaly:            0.14826 +/-     0.015
Argument of Peri:      227.90753 +/-     0.031
Long of Asc Node:      174.15160 +/-     0.001
Inclination:            37.05020 +/-     0.000
Eccentricity:         0.32723152 +/-    0.0001
Semi-Major Axis:     48.44265768 +/-    0.0087
Time of Perihelion: 2456899.7814 +/-       5.0
Perihelion:          32.59069322 +/-    0.0077
Aphelion:            64.29462214 +/-    0.0127
Period (y)              337.1709 +/-      0.09
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           23.56160528 +/-    0.0007
Ecliptic Y           17.09729468 +/-    0.0005
Ecliptic Z          -14.65252694 +/-    0.0004
Ecliptic XDOT        -0.00238508 +/-    0.0000
Ecliptic YDOT         0.00210157 +/-    0.0000
Ecliptic ZDOT        -0.00139481 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   32.59084648 +/-    0.0006
Geocenter to KBO     31.70693730 +/-    0.0009
# Hcoef:  8.73

The following table shows the complete astrometric record for 14UP277. 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 (14UP277) followed by the observatory code and reference code for the source of the astrometry.

2014 10  27.26459  02 50 58.573  -12 29 48.48  23.6g 14UP277   W84  C~55Sh      
2014 10  31.25606  02 50 35.618  -12 32 26.81  24.6g 14UP277   W84  C~55Sh      
2014 12  15.19229  02 46 34.500  -12 43 58.84  23.5r 14UP277   W84  C~55Sh      
2015 12  17.17077  02 55 41.021  -13 01 18.37  24.0r 14UP277   W84  C~55Sh      
2016 09  24.33743  03 12 06.612  -12 33 57.75  24.0r 14UP277   W84  C~55Sh      
2016 11  10.30620  03 08 11.507  -13 11 43.22  23.8r 14UP277   W84  C~55Sh      
2016 11  10.30896  03 08 11.512  -13 11 43.53  23.6g 14UP277   W84  C~55Sh      
2016 11  26.19790  03 06 38.962  -13 17 18.92  24.6r 14UP277   W84  C~55Sh      
2016 12  05.22919  03 05 49.744  -13 18 26.57  23.9r 14UP277   W84  C~55Sh      
2018 01  09.13237  03 12 45.133  -13 24 25.10  24.1r 14UP277   W84  C~55Sh      
2018 10  20.36472  03 28 47.995  -13 25 32.89  23.8i 14UP277   W84  C~55Sh      

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     0.26       0.00    -0.04
     2   0.0109   -369.53    -0.23     -38.83     0.11
     3   0.1340  -3931.30    -0.02     462.25     0.10
     4   1.1387   3272.36     0.16   -3153.43    -0.10
     5   1.9112  17431.49    -0.04   -6543.38     0.12
     6   2.0398  13397.81    -0.13   -7475.03    -0.05
     7   2.0398  13397.77     0.09   -7475.35    -0.38
     8   2.0833  12007.30    -0.21   -7322.72    -0.00
     9   2.1080  11306.44     0.02   -7138.31     0.07
    10   3.2029  16903.95     0.06   -9591.28     0.13
    11   3.9811  30219.28     0.05  -14764.58     0.05

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.

14UP277    quality flag:3

Type:       SCATNEAR  SCATNEAR  SCATNEAR

axisobj        48.868    48.893    48.842
ecceobj         0.333     0.333     0.333
incobj         36.948    36.948    36.948
qmin           30.792    31.132    31.297
qmax           66.705    68.186    67.515
amean          48.438    48.859    49.012
amin           47.864    47.821    47.821
amax           49.575    49.930    49.916
emean           0.336     0.335     0.331
emin            0.311     0.305     0.309
emax            0.361     0.367     0.359
imean          36.278    36.313    36.491
imin           35.615    35.602    35.777
imax           36.969    37.049    36.994
excite_mean     0.680     0.681     0.681
fracstop        1.000     1.000     1.000
cjmean          2.548     2.551     2.551

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       186.2     198.9     211.3
kozaiamp        180.0     180.0     180.0