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 Mon Apr 28 01:10:13 2025 # 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: 1.667026E-05 3.575705E-02 -8.776129E-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 30.994 31.061 31.028 qmax 67.618 67.104 66.365 amean 48.577 48.645 48.327 amin 47.848 47.872 47.683 amax 49.576 49.784 49.076 emean 0.337 0.336 0.333 emin 0.311 0.312 0.303 emax 0.365 0.358 0.357 imean 36.198 36.266 36.180 imin 35.399 35.596 35.614 imax 36.982 36.852 36.948 excite_mean 0.680 0.680 0.678 fracstop 1.000 1.000 1.000 cjmean 2.550 2.550 2.552 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 189.7 201.9 179.7 kozaiamp 180.0 180.0 180.0