(55636) 2002TX300
This object has a more recent orbit available here
Object
| Object | (55636) 2002TX300 |
| Diameter(1) | 286 km |
| Dynamic class(1) | Haumea |
| Absolute magnitude | 3.55 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2460600.5 |
| Semi major axis | 43.579207 ± 0.000659 au |
| Eccentricity | 0.122368770 ± 0.000007794 |
| Inclination | 25.850065719 ± 0.000014550 ° |
| Longitude of ascending node | 324.591596 ± 0.000055 ° |
| Argument of perihelia | 343.758079 ± 0.004276 ° |
| Mean anomaly | 80.116397 ± 0.005116 ° |
| Orbital period | 287.69 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv10 |
| Observation file |
omc_ast_NIMAv10.txt |
| bsp file | 55636_2002TX300_nima_v10.bsp |
| Date of first observation | 1954-08-27 |
| Date of last observation | 2023-12-17 |
| Number of observations used in the fit | 1068 |
| Number of rejected observations | 6 |
| Number of DES observations | 0 |
| Number of MPC observations | 1016 |
| Number of unpublished observations | 58 |
| RMS of observations | 0.201 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv10 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2024-01 | 0.037 | 0.034 |
| 2024-07 | 0.067 | 0.037 |
| 2025-01 | 0.044 | 0.038 |
| 2025-07 | 0.079 | 0.041 |
| 2026-01 | 0.054 | 0.043 |
| 2026-07 | 0.092 | 0.046 |
| 2027-01 | 0.065 | 0.048 |
| 2027-07 | 0.107 | 0.051 |
| 2028-01 | 0.079 | 0.054 |
Ephemeris comparison
Difference between NIMAv10 and JPL47 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.