(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 | 11.62 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2460600.5 |
| Semi major axis | 5.175396 ± 0.000000 au |
| Eccentricity | 0.049174546 ± 0.000000077 |
| Inclination | 12.887641103 ± 0.000006962 ° |
| Longitude of ascending node | 110.638180 ± 0.000035 ° |
| Argument of perihelia | 271.354803 ± 0.000082 ° |
| Mean anomaly | 346.901426 ± 0.000077 ° |
| Orbital period | 11.77 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv6 |
| Observation file |
omc_ast_NIMAv6.txt |
| bsp file | 23463_1989TX11_nima_v6.bsp |
| Date of first observation | 1989-09-29 |
| Date of last observation | 2024-07-09 |
| Number of observations used in the fit | 1659 |
| Number of rejected observations | 5 |
| Number of DES observations | 8 |
| Number of MPC observations | 1646 |
| Number of unpublished observations | 10 |
| RMS of observations | 0.407 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv6 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2024-01 | 0.038 | 0.025 |
| 2024-07 | 0.048 | 0.031 |
| 2025-01 | 0.047 | 0.029 |
| 2025-07 | 0.049 | 0.029 |
| 2026-01 | 0.061 | 0.035 |
| 2026-07 | 0.052 | 0.026 |
| 2027-01 | 0.075 | 0.038 |
| 2027-07 | 0.053 | 0.024 |
| 2028-01 | 0.078 | 0.035 |
Ephemeris comparison
Difference between NIMAv6 and JPL42 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.