(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 | 3.94 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2459800.5 |
| Semi major axis | 55.541594 ± 0.000906 au |
| Eccentricity | 0.294189224 ± 0.000008873 |
| Inclination | 34.958463183 ± 0.000018117 ° |
| Longitude of ascending node | 23.768002 ± 0.000017 ° |
| Argument of perihelia | 85.880992 ± 0.001294 ° |
| Mean anomaly | 328.659554 ± 0.001398 ° |
| Orbital period | 413.94 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv18 |
| Observation file |
omc_ast_NIMAv18.txt |
| bsp file | 84522_2002TC302_nima_v18.bsp |
| Date of first observation | 2000-08-05 |
| Date of last observation | 2022-12-02 |
| Number of observations used in the fit | 1815 |
| Number of rejected observations | 5 |
| Number of DES observations | 0 |
| Number of MPC observations | 518 |
| Number of unpublished observations | 1302 |
| RMS of observations | 0.131 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv18 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2023-01 | 0.012 | 0.009 |
| 2023-07 | 0.010 | 0.010 |
| 2024-01 | 0.016 | 0.013 |
| 2024-07 | 0.012 | 0.013 |
| 2025-01 | 0.020 | 0.017 |
| 2025-07 | 0.015 | 0.018 |
| 2026-01 | 0.024 | 0.021 |
| 2026-07 | 0.020 | 0.022 |
| 2027-01 | 0.029 | 0.026 |
Ephemeris comparison
Difference between NIMAv18 and JPL28 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.