(202421) 2005UQ513
Object
Object |
(202421) 2005UQ513 |
Diameter(1) |
498 km |
Dynamic class(1) |
cubewano-hot |
Absolute magnitude |
3.96 |
G slop |
0.15 |
Orbital elements
Epoch (Julian date) |
2460800.5 |
Semi major axis |
43.577651 ± 0.000194 au |
Eccentricity |
0.144114078 ± 0.000004655 |
Inclination |
25.716389443 ± 0.000006240 ° |
Longitude of ascending node |
307.861170 ± 0.000064 ° |
Argument of perihelia |
219.325113 ± 0.001815 ° |
Mean anomaly |
238.305298 ± 0.002411 ° |
Orbital period |
287.68 yr |
Ephemeris & Observations
Ephemeris version |
NIMAv15 |
Observation file (documentation) |
omc_ast_NIMAv15.txt |
bsp file |
202421_2005UQ513_nima_v15.bsp |
Date of first observation |
1990-09-15 |
Date of last observation |
2024-09-24 |
Number of observations used in the fit |
1152 |
Number of rejected observations |
11 |
Number of DES observations |
0 |
Number of MPC observations |
746 |
Number of unpublished observations |
134 |
RMS of observations |
0.108 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv15 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
date |
σα (arcsec) |
σδ (arcsec) |
2024-01 |
0.015 |
0.012 |
2024-07 |
0.026 |
0.014 |
2025-01 |
0.020 |
0.015 |
2025-07 |
0.032 |
0.017 |
2026-01 |
0.025 |
0.018 |
2026-07 |
0.039 |
0.020 |
2027-01 |
0.032 |
0.021 |
2027-07 |
0.047 |
0.024 |
2028-01 |
0.040 |
0.024 |
Ephemeris comparison
Difference between NIMAv15 and JPL26 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