(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 (documentation) 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Number of unpublished observations 0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

residual plot

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

residual plot

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.