(202421) 2005UQ513
This object has a more recent orbit available here
Object
Object | (202421) 2005UQ513 |
Diameter(1) | 498 km |
Dynamic class(1) | cubewano-hot |
Absolute magnitude | 3.97 |
G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
Epoch (Julian date) | 2460600.5 |
Semi major axis | 43.621137 ± 0.000195 au |
Eccentricity | 0.142910773 ± 0.000004669 |
Inclination | 25.714600472 ± 0.000006220 ° |
Longitude of ascending node | 307.817601 ± 0.000064 ° |
Argument of perihelia | 219.157675 ± 0.001828 ° |
Mean anomaly | 237.754223 ± 0.002426 ° |
Orbital period | 288.11 yr |
Ephemeris & Observations
Ephemeris version | NIMAv14 |
Observation file |
omc_ast_NIMAv14.txt |
bsp file | 202421_2005UQ513_nima_v14.bsp |
Date of first observation | 1990-09-15 |
Date of last observation | 2023-12-17 |
Number of observations used in the fit | 1145 |
Number of rejected observations | 11 |
Number of DES observations | 0 |
Number of MPC observations | 739 |
Number of unpublished observations | 134 |
RMS of observations | 0.108 arcsec |
Residuals

Residuals in right ascension and declination compared to NIMAv14 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 NIMAv14 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.