(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 | 54.996395 ± 0.000954 au |
Eccentricity | 0.290825408 ± 0.000009854 |
Inclination | 35.111444361 ± 0.000167427 ° |
Longitude of ascending node | 23.904393 ± 0.000078 ° |
Argument of perihelia | 87.372904 ± 0.002022 ° |
Mean anomaly | 323.500305 ± 0.001765 ° |
Orbital period | 407.86 yr |
Ephemeris & Observations
Ephemeris version | NIMAv10 |
Observation file |
omc_ast_NIMAv10.txt |
bsp file | 84522_2002TC302_nima_v10.bsp |
Date of first observation | 2000-08-05 |
Date of last observation | 2018-01-17 |
Number of observations used in the fit | 868 |
Number of rejected observations | 526 |
Number of DES observations | 0 |
Number of MPC observations | 122 |
Number of unpublished observations | 1272 |
RMS of observations | 0.129 arcsec |
Residuals
![residual plot](data/nima/2002TC302/omc_NIMAv10.png)
Residuals in right ascension and declination compared to NIMAv10 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
date | σα (arcsec) | σδ (arcsec) |
2018-01 | 0.021 | 0.021 |
2018-07 | 0.032 | 0.025 |
2019-01 | 0.027 | 0.029 |
2019-07 | 0.040 | 0.034 |
2020-01 | 0.034 | 0.039 |
2020-07 | 0.051 | 0.044 |
2021-01 | 0.043 | 0.050 |
2021-07 | 0.062 | 0.056 |
2022-01 | 0.053 | 0.063 |
Ephemeris comparison
![residual plot](data/nima/2002TC302/diff_NIMAv10_JPL18.png)
Difference between NIMAv10 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.