Orbit Fit and Astrometric record for 14RH70

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: 14RH70    
# Created Sun Dec 22 02:10:01 2024
# Orbit generated from Bernstein formalism
# Fitting     30 observations of     30
# Arc:   4.03y
# First observation: 2014/09/04
#  Last observation: 2018/09/15
Preliminary a, adot, b, bdot, g, gdot:
   0.000340   0.031288  -0.000087   0.006430   0.030249   0.000000
# Chi-squared of fit:    13.97 DOF:     54 RMS:  0.12
# Min/Max residuals:    -0.48    0.23
# Exact a, adot, b, bdot, g, gdot:
  1.671722E-05  3.172340E-02  3.027159E-06  6.569591E-03  2.925851E-02  2.175768E-03
# Covariance matrix:
  2.0789E-13 -1.3890E-13 -1.4014E-14 -3.0305E-14  2.4364E-13 -9.9610E-13
 -1.3890E-13  3.7376E-13 -3.4210E-14  9.3160E-14  7.0801E-14  3.5465E-12
 -1.4014E-14 -3.4210E-14  1.5637E-13 -5.6138E-14 -1.4251E-13 -3.0508E-13
 -3.0305E-14  9.3160E-14 -5.6138E-14  5.3686E-14 -1.9303E-14  9.6749E-13
  2.4364E-13  7.0801E-14 -1.4251E-13 -1.9303E-14  1.5720E-12  2.0277E-13
 -9.9610E-13  3.5465E-12 -3.0508E-13  9.6749E-13  2.0277E-13  3.6517E-11
#      lat0       lon0       xBary       yBary       zBary        JD0
  -25.554039  -56.097089   -0.612721   -0.346914   -0.725847  2456904.532248
# Heliocentric elements and errors
Epoch:              2456900.5000  =  2014/08/31
Mean Anomaly:           40.58080 +/-     0.050
Argument of Peri:      243.64851 +/-     0.069
Long of Asc Node:        7.93973 +/-     0.001
Inclination:            27.62084 +/-     0.000
Eccentricity:         0.12083545 +/-    0.0002
Semi-Major Axis:     38.13644137 +/-    0.0077
Time of Perihelion: 2447203.7365 +/-      11.5
Perihelion:          33.52820721 +/-    0.0102
Aphelion:            42.74467553 +/-    0.0115
Period (y)              235.5149 +/-      0.07
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           18.15469468 +/-    0.0007
Ecliptic Y          -25.91658059 +/-    0.0011
Ecliptic Z          -14.74304328 +/-    0.0006
Ecliptic XDOT         0.00270939 +/-    0.0000
Ecliptic YDOT         0.00127882 +/-    0.0000
Ecliptic ZDOT         0.00046690 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   34.90872976 +/-    0.0009
Geocenter to KBO     34.17809287 +/-    0.0015
# Hcoef:  7.40

The following table shows the complete astrometric record for 14RH70. 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 (14RH70) followed by the observatory code and reference code for the source of the astrometry.

2014 09  04.03147  20 57 15.382  -43 55 02.52  22.4z 14RH70    W84  C~4yUF      
2014 09  04.09744  20 57 14.937  -43 55 02.04  22.9i 14RH70    W84  C~4yUF      
2014 09  20.01156  20 55 44.361  -43 50 24.51  23.4g 14RH70    W84  C~4yUF      
2014 09  24.04467  20 55 25.733  -43 48 38.80  22.5r 14RH70    W84  C~4yUF      
2014 09  24.04606  20 55 25.735  -43 48 38.80  22.2i 14RH70    W84  C~4yUF      
2014 09  27.00733  20 55 13.315  -43 47 12.57  23.2r 14RH70    W84  C~4yUF      
2014 10  02.03737  20 54 54.836  -43 44 29.98  22.7z 14RH70    W84  C~4yUF      
2014 10  14.02529  20 54 24.940  -43 36 47.22  24.5g 14RH70    W84  C~4yUF      
2014 10  21.019294 20 54 17.12   -43 31 32.7   20.6z 14RH70    W84  C~352Q      
2015 09  13.08833  21 05 08.160  -42 57 11.55  23.0i 14RH70    W84  C~4yUF      
2015 09  13.08971  21 05 08.150  -42 57 11.41  23.1r 14RH70    W84  C~4yUF      
2015 09  13.09109  21 05 08.152  -42 57 11.29  23.6g 14RH70    W84  C~4yUF      
2016 08  23.25841  21 15 47.936  -42 00 24.64  22.5z 14RH70    W84  C~4yUF      
2016 09  07.05916  21 14 08.094  -42 00 08.31  23.1r 14RH70    W84  C~4yUF      
2016 09  08.09636  21 14 01.639  -41 59 59.39  22.8z 14RH70    W84  C~4yUF      
2016 09  09.09198  21 13 55.498  -41 59 50.22  22.6i 14RH70    W84  C~4yUF      
2016 09  23.01284  21 12 39.143  -41 56 07.39  23.7g 14RH70    W84  C~4yUF      
2017 09  08.07453  21 22 13.987  -40 59 52.61  23.3z 14RH70    W84  C~4yUF      
2017 09  12.09324  21 21 49.420  -40 59 21.75  23.4g 14RH70    W84  C~4yUF      
2017 09  12.11571  21 21 49.285  -40 59 21.57  22.7r 14RH70    W84  C~4yUF      
2017 10  11.058044 21 19 38.85   -40 48 37.1   23.0r 14RH70    W84  C~352Q      
2017 10  11.05857  21 19 38.850  -40 48 37.25  22.7r 14RH70    W84  C~4yUF      
2017 10  11.059421 21 19 38.85   -40 48 36.9   22.9i 14RH70    W84  C~352Q      
2017 10  11.05995  21 19 38.850  -40 48 36.90  22.7i 14RH70    W84  C~4yUF      
2017 10  11.060787 21 19 38.85   -40 48 36.7   23.8g 14RH70    W84  C~352Q      
2017 10  11.06131  21 19 38.847  -40 48 36.90  23.5g 14RH70    W84  C~4yUF      
2017 10  13.093889 21 19 33.38   -40 47 25.7   22.6z 14RH70    W84  C~352Q      
2017 10  13.09442  21 19 33.384  -40 47 25.71  22.4z 14RH70    W84  C~4yUF      
2017 10  22.00581  21 19 16.076  -40 41 37.59  22.4z 14RH70    W84  C~4yUF      
2018 09  15.21269  21 29 26.168  -39 57 12.27  22.7i 14RH70    W84  C~4yUF      

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     0.09       0.00     0.11
     2   0.0002     -4.43    -0.09       1.94    -0.02
     3   0.0438   -851.96    -0.09     565.67    -0.03
     4   0.0548  -1012.01     0.12     727.53     0.03
     5   0.0548  -1011.99     0.19     727.52    -0.04
     6   0.0629  -1114.08     0.07     850.39     0.02
     7   0.0767  -1255.89     0.03    1065.81     0.03
     8   0.1095  -1426.16     0.15    1604.69    -0.30
     9   0.1286  -1413.00    -0.48    1930.26     0.23
    10   1.0241   5989.85    -0.05    1645.51    -0.09
    11   1.0241   5989.80    -0.04    1645.68     0.03
    12   1.0241   5989.86     0.10    1645.79     0.09
    13   1.9691  13827.61    -0.01    2401.60    -0.06
    14   2.0097  12789.99    -0.09    2815.42    -0.19
    15   2.0125  12725.66     0.18    2849.36    -0.01
    16   2.0152  12664.69     0.02    2882.27    -0.03
    17   2.0533  11944.18    -0.12    3392.07     0.18
    18   3.0118  19234.41     0.03    4188.77    -0.02
    19   3.0228  18986.34    -0.14    4322.50     0.06
    20   3.0228  18984.98    -0.13    4323.24     0.02
    21   3.1021  17845.13    -0.02    5476.84    -0.06
    22   3.1021  17845.08    -0.06    5476.70    -0.22
    23   3.1021  17845.21     0.08    5477.03     0.07
    24   3.1021  17845.21     0.09    5477.03     0.05
    25   3.1021  17845.28     0.18    5477.22     0.20
    26   3.1021  17845.17     0.09    5477.04    -0.00
    27   3.1076  17813.69    -0.02    5566.51    -0.04
    28   3.1076  17813.73     0.03    5566.49    -0.09
    29   3.1320  17759.55    -0.10    5964.36     0.02
    30   4.0306  25310.01    -0.01    5768.10     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.

14RH70    quality flag:3

Type:       SCATEXTD  SCATEXTD  SCATEXTD

axisobj        38.167    38.192    38.143
ecceobj         0.120     0.120     0.119
incobj         27.611    27.611    27.611
qmin           33.051    32.971    32.960
qmax           43.713    43.872    43.827
amean          38.292    38.304    38.258
amin           37.980    37.995    37.947
amax           38.627    38.631    38.596
emean           0.113     0.116     0.108
emin            0.092     0.095     0.083
emax            0.134     0.137     0.136
imean          27.584    27.558    27.597
imin           26.811    26.772    26.810
imax           28.251    28.238    28.309
excite_mean     0.477     0.477     0.476
fracstop        1.000     1.000     1.000
cjmean          2.772     2.771     2.772

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       178.2     178.9     184.1
kozaiamp        180.0     180.0     179.9