(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 42.174746 ± 0.001116 au
Eccentricity 0.224615353 ± 0.000012845
Inclination 18.642863984 ± 0.000005599 °
Longitude of ascending node 43.183522 ± 0.000132 °
Argument of perihelia 147.697463 ± 0.004842 °
Mean anomaly 317.311362 ± 0.004009 °
Orbital period 273.90 yr

Ephemeris & Observations

Ephemeris version NIMAv5
Observation file (documentation) omc_ast_NIMAv5.txt
bsp file 482824_2013XC26_nima_v5.bsp
Date of first observation 2010-03-27
Date of last observation 2024-02-18
Number of observations used in the fit 550
Number of rejected observations 2
Number of DES observations 0
Number of MPC observations 551
Number of unpublished observations 1
RMS of observations 0.134 arcsec

Residuals

residual plot

Residuals in right ascension and declination compared to NIMAv5 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.

Orbit quality

date σα (arcsec) σδ (arcsec)
2023-01 0.042 0.013
2023-07 0.009 0.024
2024-01 0.061 0.020
2024-07 0.031 0.032
2025-01 0.089 0.031
2025-07 0.059 0.043
2026-01 0.123 0.046
2026-07 0.091 0.057
2027-01 0.163 0.064

Ephemeris comparison

residual plot

Difference between NIMAv5 and JPL24 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.