(84522) 2002TC302
This object has a more recent orbit available here
Object
Object | (84522) 2002TC302 |
Diameter(1) | 584 km |
Dynamic class(1) | res2:5 |
Absolute magnitude | 3.90 |
G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
Epoch (Julian date) | 2458200.5 |
Semi major axis | 54.996923 ± 0.001928 au |
Eccentricity | 0.290830004 ± 0.000015342 |
Inclination | 35.111438890 ± 0.000278474 ° |
Longitude of ascending node | 23.904387 ± 0.000108 ° |
Argument of perihelia | 87.372054 ± 0.004043 ° |
Mean anomaly | 323.501265 ± 0.003638 ° |
Orbital period | 407.86 yr |
Ephemeris & Observations
Ephemeris version | NIMAv11 |
Observation file |
omc_ast_NIMAv11.txt |
bsp file | 84522_2002TC302_nima_v11.bsp |
Date of first observation | 2000-08-05 |
Date of last observation | 2018-09-08 |
Number of observations used in the fit | 814 |
Number of rejected observations | 34 |
Number of DES observations | 0 |
Number of MPC observations | 123 |
Number of unpublished observations | 725 |
RMS of observations | 0.154 arcsec |
Residuals
![residual plot](data/nima/2002TC302/omc_NIMAv11.png)
Residuals in right ascension and declination compared to NIMAv11 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
date | σα (arcsec) | σδ (arcsec) |
2018-01 | 0.035 | 0.028 |
2018-07 | 0.048 | 0.031 |
2019-01 | 0.038 | 0.036 |
2019-07 | 0.059 | 0.041 |
2020-01 | 0.044 | 0.047 |
2020-07 | 0.072 | 0.055 |
2021-01 | 0.053 | 0.062 |
2021-07 | 0.088 | 0.070 |
2022-01 | 0.065 | 0.079 |
Ephemeris comparison
![residual plot](data/nima/2002TC302/diff_NIMAv11_JPL18.png)
Difference between NIMAv11 and JPL18 in right ascension (weighted by cos δ) and in declination.
Gray area represents the 1-σ uncertainty of NIMA ephemeris. Green dots represent the DES observations.