(119951) 2002KX14


This object has a more recent orbit available here

Object

Object (119951) 2002KX14
Diameter(1) 455 km
Dynamic class(1) cubewano
Absolute magnitude 4.70
G slop 0.15
(1) Data from the johnston archive list.

Orbital elements

Epoch (Julian date) 2458600.5
Semi major axis 39.086652 ± 0.001016 au
Eccentricity 0.044231672 ± 0.000010420
Inclination 0.397764463 ± 0.000178447 °
Longitude of ascending node 287.159570 ± 0.045564 °
Argument of perihelia 63.565145 ± 0.068762 °
Mean anomaly 274.155672 ± 0.022521 °
Orbital period 244.37 yr

Ephemeris & Observations

Ephemeris version NIMAv6
Observation file (documentation) omc_ast_NIMAv6.txt
bsp file 119951_2002KX14_nima_v6.bsp
Date of first observation 1984-05-31
Date of last observation 2018-09-19
Number of observations used in the fit 168
Number of rejected observations 3
Number of DES observations 0
Number of MPC observations 121
Number of unpublished observations 50
RMS of observations 0.127 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)
2018-01 0.049 0.010
2018-07 0.026 0.010
2019-01 0.068 0.011
2019-07 0.047 0.012
2020-01 0.090 0.013
2020-07 0.072 0.014
2021-01 0.116 0.015
2021-07 0.101 0.016
2022-01 0.145 0.016

Ephemeris comparison

residual plot

Difference between NIMAv6 and JPL15 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.