(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 | 54.996850 ± 0.001123 au |
| Eccentricity | 0.290828619 ± 0.000010522 |
| Inclination | 35.111422914 ± 0.000243396 ° |
| Longitude of ascending node | 23.904379 ± 0.000087 ° |
| Argument of perihelia | 87.372057 ± 0.002769 ° |
| Mean anomaly | 323.501153 ± 0.002137 ° |
| Orbital period | 407.86 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv12 |
| Observation file |
omc_ast_NIMAv12.txt |
| bsp file | 84522_2002TC302_nima_v12.bsp |
| Date of first observation | 2000-08-05 |
| Date of last observation | 2018-09-08 |
| Number of observations used in the fit | 815 |
| Number of rejected observations | 13 |
| Number of DES observations | 0 |
| Number of MPC observations | 123 |
| Number of unpublished observations | 705 |
| RMS of observations | 0.154 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv12 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2019-01 | 0.013 | 0.015 |
| 2019-07 | 0.058 | 0.025 |
| 2020-01 | 0.024 | 0.027 |
| 2020-07 | 0.071 | 0.038 |
| 2021-01 | 0.038 | 0.042 |
| 2021-07 | 0.087 | 0.053 |
| 2022-01 | 0.054 | 0.059 |
| 2022-07 | 0.105 | 0.069 |
| 2023-01 | 0.072 | 0.078 |
Ephemeris comparison
Difference between NIMAv12 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.