(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 | 54.996997 ± 0.001067 au |
| Eccentricity | 0.290828504 ± 0.000010469 |
| Inclination | 35.111428629 ± 0.000216497 ° |
| Longitude of ascending node | 23.904382 ± 0.000086 ° |
| Argument of perihelia | 87.371585 ± 0.002478 ° |
| Mean anomaly | 323.501465 ± 0.001991 ° |
| Orbital period | 407.87 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv13 |
| Observation file |
omc_ast_NIMAv13.txt |
| bsp file | 84522_2002TC302_nima_v13.bsp |
| Date of first observation | 2000-08-05 |
| Date of last observation | 2019-10-28 |
| Number of observations used in the fit | 835 |
| Number of rejected observations | 5 |
| Number of DES observations | 0 |
| Number of MPC observations | 130 |
| Number of unpublished observations | 710 |
| RMS of observations | 0.155 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv13 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2019-01 | 0.012 | 0.013 |
| 2019-07 | 0.051 | 0.022 |
| 2020-01 | 0.022 | 0.025 |
| 2020-07 | 0.063 | 0.034 |
| 2021-01 | 0.034 | 0.038 |
| 2021-07 | 0.077 | 0.047 |
| 2022-01 | 0.048 | 0.054 |
| 2022-07 | 0.093 | 0.062 |
| 2023-01 | 0.064 | 0.071 |
Ephemeris comparison
Difference between NIMAv13 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.