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: 19GE185
# Created Mon Apr 28 01:11:15 2025
# Orbit generated from Bernstein formalism
# Fitting 16 observations of 16
# Arc: 2.15y
# First observation: 2017/04/01
# Last observation: 2019/05/28
Preliminary a, adot, b, bdot, g, gdot:
0.000080 0.017023 0.000001 0.008502 0.020282 0.000000
# Chi-squared of fit: 2.78 DOF: 26 RMS: 0.07
# Min/Max residuals: -0.16 0.17
# Exact a, adot, b, bdot, g, gdot:
1.349328E-05 1.674643E-02 6.574138E-06 8.349012E-03 1.988544E-02 -9.531395E-03
# Covariance matrix:
1.3144E-12 2.2092E-12 -7.5567E-14 1.5078E-12 2.9879E-12 8.4136E-11
2.2092E-12 1.2059E-11 -3.4785E-13 6.9492E-12 1.3614E-11 3.8787E-10
-7.5567E-14 -3.4785E-13 7.6253E-13 -5.7053E-13 -3.9937E-13 -1.1380E-11
1.5078E-12 6.9492E-12 -5.7053E-13 4.2773E-12 7.9557E-12 2.2744E-10
2.9879E-12 1.3614E-11 -3.9937E-13 7.9557E-12 1.6004E-11 4.4378E-10
8.4136E-11 3.8787E-10 -1.1380E-11 2.2744E-10 4.4378E-10 1.2696E-08
# lat0 lon0 xBary yBary zBary JD0
9.080727 -158.956745 0.166571 0.155011 -0.969094 2457844.915352
# Heliocentric elements and errors
Epoch: 2457840.5000 = 2017/03/28
Mean Anomaly: 341.47396 +/- 0.388
Argument of Peri: 95.09178 +/- 0.155
Long of Asc Node: 183.54852 +/- 0.001
Inclination: 27.77633 +/- 0.002
Eccentricity: 0.61014816 +/- 0.0069
Semi-Major Axis: 93.98268133 +/- 1.2981
Time of Perihelion: 2474966.2739 +/- 50.6
Perihelion: 36.63932125 +/- 0.8259
Aphelion: 151.32604142 +/- 2.1896
Period (y) 911.1292 +/- 18.88
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X -47.32467906 +/- 0.0093
Ecliptic Y -18.03284185 +/- 0.0036
Ecliptic Z 7.93711426 +/- 0.0016
Ecliptic XDOT 0.00221022 +/- 0.0000
Ecliptic YDOT -0.00162801 +/- 0.0000
Ecliptic ZDOT 0.00092790 +/- 0.0000
# Distances at JD0 (AU)
Heliocenter to KBO 51.26213433 +/- 0.0087
Geocenter to KBO 50.28805098 +/- 0.0101
# Hcoef: 7.60
The following table shows the complete astrometric record for 19GE185. 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 (19GE185) followed by the observatory code and reference code for the source of the astrometry.
2017 04 01.414551 13 31 20.66 +00 12 55.9 19GE185 T09 C~870j 2017 04 28.381476 13 29 43.03 +00 24 42.2 19GE185 T09 C~870j 2019 03 10.543060 13 41 16.83 +00 12 35.0 19GE185 T09 C~870j 2019 03 10.549367 13 41 16.82 +00 12 35.0 19GE185 T09 C~870j 2019 04 07.43675 13 39 44.82 +00 26 14.5 24.3i 19GE185 T09 C~83GG 2019 04 07.48019 13 39 44.65 +00 26 15.7 24.7i 19GE185 T09 C~83GG 2019 04 07.49377 13 39 44.61 +00 26 16.0 24.9i 19GE185 T09 C~83GG 2019 04 07.53931 13 39 44.43 +00 26 17.4 24.6i 19GE185 T09 C~83GG 2019 04 08.48181 13 39 40.98 +00 26 44.1 23.6y 19GE185 T09 C~83GG 2019 04 08.52496 13 39 40.81 +00 26 45.4 24.7y 19GE185 T09 C~83GG 2019 04 08.53840 13 39 40.77 +00 26 45.6 24.1y 19GE185 T09 C~83GG 2019 05 28.28253 13 36 50.48 +00 44 24.3 24.6z 19GE185 T09 C~83GG 2019 05 28.29599 13 36 50.43 +00 44 24.3 24.2z 19GE185 T09 C~83GG 2019 05 28.32044 13 36 50.37 +00 44 24.5 24.2z 19GE185 T09 C~83GG 2019 05 28.37739 13 36 50.22 +00 44 25.3 24.1z 19GE185 T09 C~83GG 2019 05 28.41488 13 36 50.12 +00 44 25.7 24.5z 19GE185 T09 C~83GG
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 -0.04 0.00 0.01
2 0.0738 -1622.01 0.04 112.18 -0.02
3 1.9388 8316.09 -0.01 3303.25 0.09
4 1.9388 8315.95 0.17 3303.20 -0.04
5 2.0151 6728.05 -0.00 3551.27 0.07
6 2.0152 6725.23 -0.10 3551.43 -0.01
7 2.0153 6724.57 0.08 3551.49 -0.03
8 2.0154 6721.54 -0.10 3551.78 0.01
9 2.0180 6663.50 -0.01 3557.34 0.02
10 2.0181 6660.65 -0.16 3557.60 0.04
11 2.0181 6660.02 0.05 3557.56 -0.07
12 2.1543 3893.04 0.02 3591.17 0.14
13 2.1544 3892.34 -0.10 3590.89 -0.09
14 2.1544 3891.43 0.02 3590.74 -0.13
15 2.1546 3889.05 0.05 3590.65 0.02
16 2.1547 3887.51 0.09 3590.46 -0.01
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.
19GE185 quality flag:3 Type: SCATNEAR SCATNEAR SCATNEAR axisobj 91.525 95.075 88.335 ecceobj 0.603 0.622 0.584 incobj 27.943 27.939 27.946 qmin 35.701 35.291 36.108 qmax 153.380 161.218 145.864 amean 92.674 96.193 89.388 amin 91.271 94.555 87.865 amax 95.040 98.722 91.667 emean 0.602 0.616 0.578 emin 0.594 0.600 0.563 emax 0.615 0.634 0.596 imean 27.852 28.396 28.371 imin 27.380 27.366 27.379 imax 28.201 29.545 29.288 excite_mean 0.762 0.778 0.748 fracstop 1.000 1.000 1.000 cjmean 2.801 2.789 2.812 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 157.1 175.3 178.1 kozaiamp 58.8 80.6 81.7