(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 | 54.996777 ± 0.000897 au |
| Eccentricity | 0.290827778 ± 0.000009385 |
| Inclination | 35.111421243 ± 0.000112077 ° |
| Longitude of ascending node | 23.904378 ± 0.000078 ° |
| Argument of perihelia | 87.372143 ± 0.001486 ° |
| Mean anomaly | 323.501027 ± 0.001556 ° |
| Orbital period | 407.86 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv15 |
| Observation file |
omc_ast_NIMAv15.txt |
| bsp file | 84522_2002TC302_nima_v15.bsp |
| Date of first observation | 2000-08-05 |
| Date of last observation | 2021-11-07 |
| Number of observations used in the fit | 1255 |
| Number of rejected observations | 5 |
| Number of DES observations | 0 |
| Number of MPC observations | 467 |
| Number of unpublished observations | 793 |
| RMS of observations | 0.140 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv15 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2021-01 | 0.018 | 0.020 |
| 2021-07 | 0.035 | 0.024 |
| 2022-01 | 0.024 | 0.028 |
| 2022-07 | 0.042 | 0.032 |
| 2023-01 | 0.032 | 0.037 |
| 2023-07 | 0.050 | 0.041 |
| 2024-01 | 0.041 | 0.047 |
| 2024-07 | 0.060 | 0.051 |
| 2025-01 | 0.051 | 0.058 |
Ephemeris comparison
Difference between NIMAv15 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.