(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 4.69
G slop 0.15
(1) Data from the johnston archive list.

Orbital elements

Epoch (Julian date) 2457560.056634801
Semi major axis 42.584950 ± 0.001614 au
Eccentricity 0.231732799 ± 0.000026263
Inclination 18.654098748 ± 0.000183692 °
Longitude of ascending node 43.411293 ± 0.001668 °
Argument of perihelia 146.416422 ± 0.006655 °
Mean anomaly 310.813330 ± 0.005721 °
Orbital period 277.90 yr

Ephemeris & Observations

Ephemeris version NIMAv2
Observation file (documentation) omc_ast_NIMAv2.txt
bsp file 482824_2013XC26_nima_v2.bsp
Date of first observation 2010-03-27
Date of last observation 2020-11-01
Number of observations used in the fit 375
Number of rejected observations 2
Number of DES observations 0
Number of MPC observations 377
Number of unpublished observations 0
RMS of observations 0.093 arcsec

Residuals

residual plot

Residuals in right ascension and declination compared to NIMAv2 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.

Orbit quality

date σα (arcsec) σδ (arcsec)
2021-01 0.097 0.068
2021-07 0.105 0.074
2022-01 0.140 0.083
2022-07 0.145 0.090
2023-01 0.194 0.102
2023-07 0.196 0.109
2024-01 0.258 0.124
2024-07 0.255 0.133
2025-01 0.331 0.152

Ephemeris comparison

residual plot

Difference between NIMAv2 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.