(482824) 2013XC26


Object

Object (482824) 2013XC26
Diameter(1) 604 km
Dynamic class(1) cubewano-hot
Absolute magnitude 4.58
G slop 0.15
(1) Data from the johnston archive list.

Orbital elements

Epoch (Julian date) 2460800.5
Semi major axis 42.566651 ± 0.001103 au
Eccentricity 0.229156698 ± 0.000012882
Inclination 18.642197160 ± 0.000005438 °
Longitude of ascending node 43.184768 ± 0.000131 °
Argument of perihelia 146.075821 ± 0.004448 °
Mean anomaly 322.478855 ± 0.003589 °
Orbital period 277.72 yr

Ephemeris & Observations

Ephemeris version NIMAv7
Observation file (documentation) omc_ast_NIMAv7.txt
bsp file 482824_2013XC26_nima_v7.bsp
Date of first observation 2010-03-27
Date of last observation 2025-05-13
Number of observations used in the fit 655
Number of rejected observations 2
Number of DES observations 0
Number of MPC observations 656
Number of unpublished observations 1
RMS of observations 0.134 arcsec

Residuals

residual plot

Residuals in right ascension and declination compared to NIMAv7 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.

Orbit quality

date σα (arcsec) σδ (arcsec)
2024-01 0.057 0.019
2024-07 0.029 0.029
2025-01 0.082 0.029
2025-07 0.054 0.039
2026-01 0.113 0.043
2026-07 0.084 0.052
2027-01 0.150 0.060
2027-07 0.119 0.068
2028-01 0.193 0.080

Ephemeris comparison

residual plot

Difference between NIMAv7 and JPL30 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.

Previous NIMA versions