(23463) 1989TX11
This object has a more recent orbit available here
Object
| Object | (23463) 1989TX11 |
| Diameter(1) | 30 km |
| Dynamic class(1) | trojan |
| Absolute magnitude | 11.50 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2458200.5 |
| Semi major axis | 5.174275 ± 0.000001 au |
| Eccentricity | 0.048199380 ± 0.000000160 |
| Inclination | 12.888942723 ± 0.000009535 ° |
| Longitude of ascending node | 110.650437 ± 0.000042 ° |
| Argument of perihelia | 272.649130 ± 0.000107 ° |
| Mean anomaly | 144.338171 ± 0.000117 ° |
| Orbital period | 11.77 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv1 |
| Observation file |
omc_ast_NIMAv1.txt |
| bsp file | 23463_1989TX11_nima_v1.bsp |
| Date of first observation | 1989-09-29 |
| Date of last observation | 2018-06-10 |
| Number of observations used in the fit | 953 |
| Number of rejected observations | 2 |
| Number of DES observations | 8 |
| Number of MPC observations | 947 |
| Number of unpublished observations | 0 |
| RMS of observations | 0.453 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv1 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2018-01 | 0.045 | 0.037 |
| 2018-07 | 0.041 | 0.032 |
| 2019-01 | 0.051 | 0.035 |
| 2019-07 | 0.055 | 0.037 |
| 2020-01 | 0.060 | 0.035 |
| 2020-07 | 0.077 | 0.045 |
| 2021-01 | 0.070 | 0.034 |
| 2021-07 | 0.103 | 0.049 |
| 2022-01 | 0.078 | 0.031 |
Ephemeris comparison
Difference between NIMAv1 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.