(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 | 11.58 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2457195.155443658 |
| Semi major axis | 5.172548 ± 0.000001 au |
| Eccentricity | 0.049496425 ± 0.000000111 |
| Inclination | 12.891630705 ± 0.000007282 ° |
| Longitude of ascending node | 110.656677 ± 0.000040 ° |
| Argument of perihelia | 272.633825 ± 0.000117 ° |
| Mean anomaly | 59.982273 ± 0.000128 ° |
| Orbital period | 11.76 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv3 |
| Observation file |
omc_ast_NIMAv3.txt |
| bsp file | 23463_1989TX11_nima_v3.bsp |
| Date of first observation | 1989-09-29 |
| Date of last observation | 2020-08-16 |
| Number of observations used in the fit | 1290 |
| Number of rejected observations | 5 |
| Number of DES observations | 8 |
| Number of MPC observations | 1287 |
| Number of unpublished observations | 0 |
| RMS of observations | 0.424 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv3 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2021-01 | 0.040 | 0.026 |
| 2021-07 | 0.062 | 0.040 |
| 2022-01 | 0.049 | 0.028 |
| 2022-07 | 0.081 | 0.043 |
| 2023-01 | 0.059 | 0.030 |
| 2023-07 | 0.084 | 0.043 |
| 2024-01 | 0.066 | 0.032 |
| 2024-07 | 0.074 | 0.040 |
| 2025-01 | 0.071 | 0.036 |
Ephemeris comparison
Difference between NIMAv3 and JPL32 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.