Orbit Fit and Astrometric record for 15RV279

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: 15RV279   
# Created Wed May  8 01:17:18 2024
# Orbit generated from Bernstein formalism
# Fitting     30 observations of     30
# Arc:   2.50y
# First observation: 2015/06/23
#  Last observation: 2017/12/23
Preliminary a, adot, b, bdot, g, gdot:
  -0.000057   0.024318   0.000005   0.000015   0.024227   0.000000
# Chi-squared of fit:     4.77 DOF:     54 RMS:  0.07
# Min/Max residuals:    -0.15    0.14
# Exact a, adot, b, bdot, g, gdot:
  1.624356E-05  2.393236E-02  4.794324E-07  1.763434E-05  2.387224E-02  3.294692E-03
# Covariance matrix:
  1.7798E-13  3.1485E-14 -3.1271E-15  9.7534E-16  1.4143E-13  1.5899E-12
  3.1485E-14  5.0186E-13 -7.4542E-15  7.4966E-15  3.8956E-13  1.7535E-11
 -3.1271E-15 -7.4542E-15  1.0048E-13 -6.6776E-14 -8.2068E-15 -2.4902E-13
  9.7534E-16  7.4966E-15 -6.6776E-14  8.4036E-14  6.2691E-15  3.5083E-13
  1.4143E-13  3.8956E-13 -8.2068E-15  6.2691E-15  4.0878E-13  1.4031E-11
  1.5899E-12  1.7535E-11 -2.4902E-13  3.5083E-13  1.4031E-11  8.5260E-10
#      lat0       lon0       xBary       yBary       zBary        JD0
    1.458476   10.300589    1.005155   -0.003729    0.150245  2457197.094148
# Heliocentric elements and errors
Epoch:              2457190.5000  =  2015/06/17
Mean Anomaly:           48.48066 +/-     0.130
Argument of Peri:       25.34814 +/-     0.244
Long of Asc Node:      282.04698 +/-     0.027
Inclination:             1.46570 +/-     0.000
Eccentricity:         0.13595497 +/-    0.0012
Semi-Major Axis:     45.29111442 +/-    0.0161
Time of Perihelion: 2442197.6595 +/-      39.3
Perihelion:          39.13356232 +/-    0.0545
Aphelion:            51.44866653 +/-    0.0558
Period (y)              304.8089 +/-      0.16
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           41.22951339 +/-    0.0011
Ecliptic Y            6.47264968 +/-    0.0002
Ecliptic Z            1.06627071 +/-    0.0000
Ecliptic XDOT        -0.00012166 +/-    0.0000
Ecliptic YDOT         0.00276181 +/-    0.0000
Ecliptic ZDOT         0.00001170 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   41.74811255 +/-    0.0011
Geocenter to KBO     41.88966033 +/-    0.0011
# Hcoef:  8.25

The following table shows the complete astrometric record for 15RV279. 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 (15RV279) followed by the observatory code and reference code for the source of the astrometry.

2015 06  23.59337  00 35 34.055  +05 25 12.16  24.5r 15RV279   568  C~2nvo      
2015 07  14.54596  00 35 48.052  +05 27 30.46  24.6r 15RV279   568  C~2nvo      
2015 07  19.51085  00 35 45.821  +05 27 27.33  24.7r 15RV279   568  C~2nvo      
2015 08  11.49932  00 35 09.178  +05 24 21.95  24.5r 15RV279   568  C~2nvo      
2015 08  11.55875  00 35 09.039  +05 24 21.23  24.9r 15RV279   568  C~2nvo      
2015 09  08.40498  00 33 36.307  +05 15 09.77  24.4r 15RV279   568  C~2nvo      
2015 09  08.50910  00 33 35.881  +05 15 07.17  24.4r 15RV279   568  C~2nvo      
2015 09  08.55273  00 33 35.703  +05 15 06.14  24.5r 15RV279   568  C~2nvo      
2015 09  09.52831  00 33 31.746  +05 14 41.68  24.8w 15RV279   568  C~2nvo      
2015 09  10.46917  00 33 27.901  +05 14 18.04  24.6w 15RV279   568  C~2nvo      
2015 10  03.38583  00 31 47.789  +05 03 47.52  24.6w 15RV279   568  C~2nvo      
2015 10  07.35453  00 31 29.989  +05 01 52.86  24.5r 15RV279   568  C~2nvo      
2015 10  07.40769  00 31 29.747  +05 01 51.28  24.2r 15RV279   568  C~2nvo      
2015 11  07.24974  00 29 23.982  +04 47 58.30  24.8w 15RV279   568  C~2nvo      
2015 11  07.30254  00 29 23.804  +04 47 57.12        15RV279   568  C~2nvo      
2015 11  10.38589  00 29 13.489  +04 46 46.24  23.8w 15RV279   568  C~2nvo      
2015 12  07.32615  00 28 11.856  +04 39 18.43  24.8w 15RV279   568  C~2nvo      
2016 01  01.25516  00 28 09.653  +04 38 06.07  24.7w 15RV279   568  C~2nvo      
2016 09  05.47427  00 38 55.288  +05 49 05.57  24.4w 15RV279   568  C~2nvo      
2016 09  06.46893  00 38 51.398  +05 48 41.96  24.4w 15RV279   568  C~2nvo      
2016 09  26.43536  00 37 26.706  +05 39 56.51  24.4w 15RV279   568  C~2nvo      
2016 11  03.42043  00 34 44.801  +05 22 23.39  24.8w 15RV279   568  C~2nvo      
2016 11  03.48549  00 34 44.549  +05 22 21.95  24.9w 15RV279   568  C~2nvo      
2016 11  04.26545  00 34 41.724  +05 22 02.57  24.7w 15RV279   568  C~2nvo      
2016 11  04.32471  00 34 41.504  +05 22 01.22  24.5w 15RV279   568  C~2nvo      
2016 12  29.24332  00 33 11.320  +05 10 33.13  24.6w 15RV279   568  C~2nvo      
2017 01  03.21350  00 33 16.021  +05 10 51.52  25.0w 15RV279   568  C~2nvo      
2017 11  22.36083  00 38 53.758  +05 48 23.76  24.6w 15RV279   568  C~2nvo      
2017 12  23.28786  00 38 12.330  +05 42 52.74  25.2w 15RV279   568  C~2nvo      
2017 12  23.30180  00 38 12.321  +05 42 52.79  24.7w 15RV279   568  C~2nvo      

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    -0.08       0.00    -0.10
     2   0.0574    246.55     0.10      45.01     0.13
     3   0.0710    214.69     0.05      55.23    -0.13
     4   0.1339   -361.31    -0.15      99.91    -0.07
     5   0.1341   -363.50     0.07     100.06    -0.05
     6   0.2103  -1853.78     0.02     138.19     0.08
     7   0.2106  -1860.66     0.04     138.31     0.04
     8   0.2107  -1863.51     0.08     138.41     0.08
     9   0.2134  -1927.47    -0.02     139.21    -0.01
    10   0.2160  -1989.58    -0.02     140.10     0.09
    11   0.2787  -3612.95     0.04     150.23     0.14
    12   0.2896  -3902.67    -0.08     149.81     0.03
    13   0.2897  -3906.62    -0.09     149.79    -0.01
    14   0.3741  -5963.53    -0.05     126.91    -0.03
    15   0.3743  -5966.45     0.07     126.88    -0.02
    16   0.3827  -6136.24     0.05     122.73    -0.09
    17   0.4565  -7160.66     0.09      75.87    -0.08
    18   0.5247  -7219.61    -0.10      22.42    -0.03
    19   1.2043   3325.82     0.03     139.43    -0.00
    20   1.2071   3263.14    -0.04     140.45     0.03
    21   1.2617   1894.10    -0.11     152.71     0.01
    22   1.3657   -742.64     0.05     134.10    -0.11
    23   1.3659   -746.67    -0.00     134.26     0.10
    24   1.3680   -793.08     0.02     133.04    -0.09
    25   1.3682   -796.63     0.06     133.09     0.01
    26   1.5185  -2305.88    -0.04      30.95    -0.03
    27   1.5322  -2234.08    -0.01      20.18     0.12
    28   2.4169   3288.42     0.03     109.90     0.06
    29   2.5016   2589.72     0.04      47.70    -0.10
    30   2.5016   2589.62    -0.05      47.80     0.03

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.

15RV279    quality flag:3

Type:      CLASSICAL CLASSICAL CLASSICAL

axisobj        45.779    45.833    45.728
ecceobj         0.142     0.145     0.139
incobj          1.466     1.466     1.466
qmin           38.463    38.384    38.610
qmax           52.971    53.157    52.898
amean          45.529    45.581    45.497
amin           45.143    45.195    45.094
amax           45.980    46.016    45.964
emean           0.137     0.140     0.133
emin            0.122     0.125     0.119
emax            0.152     0.155     0.151
imean           3.341     3.370     3.339
imin            2.677     2.697     2.676
imax            3.974     4.052     3.989
excite_mean     0.149     0.152     0.146
fracstop        1.000     1.000     1.000
cjmean          3.093     3.092     3.094

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       180.8     181.2     181.3
kozaiamp        180.0     180.0     180.0