(482824) 2013XC26


This object has a more recent orbit available here

Object

Object (482824) 2013XC26
Diameter(1) 584 km
Dynamic class(1) otherTNO
Absolute magnitude 4.40
G slop 0.15
(1) Data from the johnston archive list.

Orbital elements

Epoch (Julian date) 2458600.5
Semi major axis 42.235034 ± 0.004195 au
Eccentricity 0.228312407 ± 0.000110117
Inclination 18.654638242 ± 0.000877057 °
Longitude of ascending node 43.411125 ± 0.007713 °
Argument of perihelia 147.983014 ± 0.028041 °
Mean anomaly 312.944479 ± 0.016059 °
Orbital period 274.48 yr

Ephemeris & Observations

Ephemeris version NIMAv1
Observation file (documentation) omc_ast_NIMAv1.txt
bsp file 482824_2013XC26_nima_v1.bsp
Date of first observation 2012-01-28
Date of last observation 2018-10-12
Number of observations used in the fit 90
Number of rejected observations 0
Number of DES observations 0
Number of MPC observations 90
Number of unpublished observations 0
RMS of observations 0.177 arcsec

Residuals

residual plot

Residuals in right ascension and declination compared to NIMAv1 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.

Orbit quality

date σα (arcsec) σδ (arcsec)
2018-01 0.182 0.166
2018-07 0.227 0.185
2019-01 0.289 0.218
2019-07 0.326 0.239
2020-01 0.444 0.276
2020-07 0.470 0.301
2021-01 0.647 0.343
2021-07 0.659 0.374
2022-01 0.895 0.423

Ephemeris comparison

residual plot

Difference between NIMAv1 and JPL6 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.