(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 42.174684 ± 0.001492 au
Eccentricity 0.224615125 ± 0.000020630
Inclination 18.642879572 ± 0.000022522 °
Longitude of ascending node 43.183679 ± 0.000257 °
Argument of perihelia 147.697592 ± 0.005336 °
Mean anomaly 317.311128 ± 0.005095 °
Orbital period 273.90 yr

Ephemeris & Observations

Ephemeris version NIMAv4
Observation file (documentation) omc_ast_NIMAv4.txt
bsp file 482824_2013XC26_nima_v4.bsp
Date of first observation 2010-03-27
Date of last observation 2023-03-16
Number of observations used in the fit 537
Number of rejected observations 2
Number of DES observations 0
Number of MPC observations 539
Number of unpublished observations 0
RMS of observations 0.135 arcsec

Residuals

residual plot

Residuals in right ascension and declination compared to NIMAv4 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.

Orbit quality

date σα (arcsec) σδ (arcsec)
2023-01 0.079 0.057
2023-07 0.087 0.061
2024-01 0.111 0.068
2024-07 0.115 0.073
2025-01 0.149 0.083
2025-07 0.149 0.088
2026-01 0.194 0.100
2026-07 0.190 0.106
2027-01 0.244 0.122

Ephemeris comparison

residual plot

Difference between NIMAv4 and JPL22 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.