(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 | 0.048814805 ± 0.000000085 |
Inclination | 12.888620817 ± 0.000007301 ° |
Longitude of ascending node | 110.643913 ± 0.000040 ° |
Argument of perihelia | 270.506614 ± 0.000093 ° |
Mean anomaly | 280.698990 ± 0.000089 ° |
Orbital period | 11.78 yr |
Ephemeris & Observations
Ephemeris version | NIMAv4 |
Observation file |
omc_ast_NIMAv4.txt |
bsp file | 23463_1989TX11_nima_v4.bsp |
Date of first observation | 1989-09-29 |
Date of last observation | 2022-07-09 |
Number of observations used in the fit | 1398 |
Number of rejected observations | 5 |
Number of DES observations | 8 |
Number of MPC observations | 1395 |
Number of unpublished observations | 0 |
RMS of observations | 0.416 arcsec |
Residuals

Residuals in right ascension and declination compared to NIMAv4 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
date | σα (arcsec) | σδ (arcsec) |
2022-01 | 0.041 | 0.026 |
2022-07 | 0.067 | 0.040 |
2023-01 | 0.049 | 0.028 |
2023-07 | 0.071 | 0.040 |
2024-01 | 0.056 | 0.030 |
2024-07 | 0.066 | 0.037 |
2025-01 | 0.063 | 0.034 |
2025-07 | 0.060 | 0.032 |
2026-01 | 0.072 | 0.039 |
Ephemeris comparison

Difference between NIMAv4 and JPL34 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.