(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 | 54.996802 ± 0.000937 au |
Eccentricity | 0.290827735 ± 0.000009815 |
Inclination | 35.111423331 ± 0.000156156 ° |
Longitude of ascending node | 23.904379 ± 0.000082 ° |
Argument of perihelia | 87.372059 ± 0.001854 ° |
Mean anomaly | 323.501080 ± 0.001675 ° |
Orbital period | 407.86 yr |
Ephemeris & Observations
Ephemeris version | NIMAv14 |
Observation file |
omc_ast_NIMAv14.txt |
bsp file | 84522_2002TC302_nima_v14.bsp |
Date of first observation | 2000-08-05 |
Date of last observation | 2020-11-16 |
Number of observations used in the fit | 1062 |
Number of rejected observations | 5 |
Number of DES observations | 0 |
Number of MPC observations | 357 |
Number of unpublished observations | 710 |
RMS of observations | 0.145 arcsec |
Residuals
![residual plot](data/nima/2002TC302/omc_NIMAv14.png)
Residuals in right ascension and declination compared to NIMAv14 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
date | σα (arcsec) | σδ (arcsec) |
2021-01 | 0.024 | 0.028 |
2021-07 | 0.052 | 0.034 |
2022-01 | 0.034 | 0.039 |
2022-07 | 0.063 | 0.045 |
2023-01 | 0.045 | 0.052 |
2023-07 | 0.076 | 0.057 |
2024-01 | 0.058 | 0.066 |
2024-07 | 0.090 | 0.071 |
2025-01 | 0.073 | 0.081 |
Ephemeris comparison
![residual plot](data/nima/2002TC302/diff_NIMAv14_JPL23.png)
Difference between NIMAv14 and JPL23 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.