(119951) 2002KX14


Object

Object (119951) 2002KX14
Diameter(1) 389 km
Dynamic class(1) otherTNO
Absolute magnitude 4.72
G slop 0.15
(1) Data from the johnston archive list.

Orbital elements

Epoch (Julian date) 2460800.5
Semi major axis 38.624588 ± 0.000232 au
Eccentricity 0.045491518 ± 0.000001727
Inclination 0.406257142 ± 0.000008673 °
Longitude of ascending node 286.684298 ± 0.000585 °
Argument of perihelia 78.922428 ± 0.005535 °
Mean anomaly 268.325133 ± 0.005439 °
Orbital period 240.05 yr

Ephemeris & Observations

Ephemeris version NIMAv12
Observation file (documentation) omc_ast_NIMAv12.txt
bsp file 119951_2002KX14_nima_v12.bsp
Date of first observation 1984-05-31
Date of last observation 2025-07-27
Number of observations used in the fit 246
Number of rejected observations 9
Number of DES observations 0
Number of MPC observations 195
Number of unpublished observations 60
RMS of observations 0.112 arcsec

Residuals

residual plot

Residuals in right ascension and declination compared to NIMAv12 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.

Orbit quality

date σα (arcsec) σδ (arcsec)
2024-01 0.006 0.005
2024-07 0.004 0.006
2025-01 0.007 0.006
2025-07 0.005 0.006
2026-01 0.008 0.006
2026-07 0.007 0.007
2027-01 0.011 0.007
2027-07 0.010 0.008
2028-01 0.014 0.008

Ephemeris comparison

residual plot

Difference between NIMAv12 and JPL19 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