(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 | 11.59 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2459800.5 |
| Semi major axis | 5.176998 ± 0.000000 au |
| Eccentricity | 0.048814794 ± 0.000000078 |
| Inclination | 12.888620981 ± 0.000007093 ° |
| Longitude of ascending node | 110.643913 ± 0.000036 ° |
| Argument of perihelia | 270.506606 ± 0.000085 ° |
| Mean anomaly | 280.698999 ± 0.000080 ° |
| Orbital period | 11.78 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv5 |
| Observation file |
omc_ast_NIMAv5.txt |
| bsp file | 23463_1989TX11_nima_v5.bsp |
| Date of first observation | 1989-09-29 |
| Date of last observation | 2023-08-11 |
| Number of observations used in the fit | 1501 |
| Number of rejected observations | 5 |
| Number of DES observations | 8 |
| Number of MPC observations | 1488 |
| Number of unpublished observations | 10 |
| RMS of observations | 0.410 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv5 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2023-01 | 0.036 | 0.025 |
| 2023-07 | 0.053 | 0.035 |
| 2024-01 | 0.043 | 0.027 |
| 2024-07 | 0.052 | 0.033 |
| 2025-01 | 0.051 | 0.030 |
| 2025-07 | 0.052 | 0.030 |
| 2026-01 | 0.064 | 0.036 |
| 2026-07 | 0.053 | 0.027 |
| 2027-01 | 0.077 | 0.039 |
Ephemeris comparison
Difference between NIMAv5 and JPL37 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.