(23463) 1989TX11


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 (documentation) 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Number of unpublished observations 10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

residual plot

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

residual plot

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.

Previous NIMA versions