(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 (documentation) 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Number of unpublished observations 0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

residual plot

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

residual plot

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.