(202421) 2005UQ513
Object
Object |
(202421) 2005UQ513 |
Diameter(1) |
498 km |
Dynamic class(1) |
cubewano |
Absolute magnitude |
3.97 |
G slop |
0.15 |
Orbital elements
Epoch (Julian date) |
2460200.5 |
Semi major axis |
43.649400 ± 0.000195 au |
Eccentricity |
0.141152537 ± 0.000004691 |
Inclination |
25.709347422 ± 0.000006200 ° |
Longitude of ascending node |
307.705863 ± 0.000064 ° |
Argument of perihelia |
219.380703 ± 0.001856 ° |
Mean anomaly |
236.074989 ± 0.002460 ° |
Orbital period |
288.39 yr |
Ephemeris & Observations
Ephemeris version |
NIMAv13 |
Observation file (documentation) |
omc_ast_NIMAv13.txt |
bsp file |
202421_2005UQ513_nima_v13.bsp |
Date of first observation |
1990-09-15 |
Date of last observation |
2023-11-15 |
Number of observations used in the fit |
1106 |
Number of rejected observations |
9 |
Number of DES observations |
0 |
Number of MPC observations |
735 |
Number of unpublished observations |
97 |
RMS of observations |
0.108 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv13 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
date |
σα (arcsec) |
σδ (arcsec) |
2023-01 |
0.012 |
0.010 |
2023-07 |
0.021 |
0.012 |
2024-01 |
0.015 |
0.012 |
2024-07 |
0.026 |
0.015 |
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 |
Ephemeris comparison
Difference between NIMAv13 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.
Previous NIMA versions