(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 | 55.541592 ± 0.000907 au |
| Eccentricity | 0.294189206 ± 0.000008882 |
| Inclination | 34.958463075 ± 0.000018130 ° |
| Longitude of ascending node | 23.768002 ± 0.000017 ° |
| Argument of perihelia | 85.880993 ± 0.001295 ° |
| Mean anomaly | 328.659552 ± 0.001399 ° |
| Orbital period | 413.94 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv17 |
| Observation file |
omc_ast_NIMAv17.txt |
| bsp file | 84522_2002TC302_nima_v17.bsp |
| Date of first observation | 2000-08-05 |
| Date of last observation | 2021-11-28 |
| Number of observations used in the fit | 1788 |
| Number of rejected observations | 3 |
| Number of DES observations | 0 |
| Number of MPC observations | 491 |
| Number of unpublished observations | 1300 |
| RMS of observations | 0.131 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv17 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2022-01 | 0.009 | 0.007 |
| 2022-07 | 0.011 | 0.007 |
| 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 |
Ephemeris comparison
Difference between NIMAv17 and JPL25 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.