(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 4.60
G slop 0.15
(1) Data from the johnston archive list.

Orbital elements

Epoch (Julian date) 2459800.5
Semi major axis 42.174827 ± 0.001552 au
Eccentricity 0.224620856 ± 0.000022871
Inclination 18.642881485 ± 0.000024816 °
Longitude of ascending node 43.183698 ± 0.000277 °
Argument of perihelia 147.697837 ± 0.005511 °
Mean anomaly 317.311434 ± 0.005269 °
Orbital period 273.90 yr

Ephemeris & Observations

Ephemeris version NIMAv3
Observation file (documentation) omc_ast_NIMAv3.txt
bsp file 482824_2013XC26_nima_v3.bsp
Date of first observation 2010-03-27
Date of last observation 2022-03-19
Number of observations used in the fit 493
Number of rejected observations 2
Number of DES observations 0
Number of MPC observations 495
Number of unpublished observations 0
RMS of observations 0.098 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)
2022-01 0.069 0.053
2022-07 0.078 0.057
2023-01 0.100 0.064
2023-07 0.106 0.069
2024-01 0.138 0.078
2024-07 0.141 0.083
2025-01 0.184 0.095
2025-07 0.183 0.101
2026-01 0.237 0.116

Ephemeris comparison

residual plot

Difference between NIMAv3 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.