(202421) 2005UQ513
This object has a more recent orbit available here
Object
| Object | (202421) 2005UQ513 |
| Diameter(1) | 498 km |
| Dynamic class(1) | cubewano |
| Absolute magnitude | 3.97 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2459800.5 |
| Semi major axis | 43.592412 ± 0.001104 au |
| Eccentricity | 0.140834385 ± 0.000015554 |
| Inclination | 25.703385735 ± 0.000017008 ° |
| Longitude of ascending node | 307.596504 ± 0.000152 ° |
| Argument of perihelia | 220.268862 ± 0.006502 ° |
| Mean anomaly | 233.724891 ± 0.007129 ° |
| Orbital period | 287.82 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv12 |
| Observation file |
omc_ast_NIMAv12.txt |
| bsp file | 202421_2005UQ513_nima_v12.bsp |
| Date of first observation | 1990-09-15 |
| Date of last observation | 2022-11-01 |
| Number of observations used in the fit | 847 |
| Number of rejected observations | 11 |
| Number of DES observations | 0 |
| Number of MPC observations | 735 |
| Number of unpublished observations | 123 |
| RMS of observations | 0.144 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv12 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2023-01 | 0.051 | 0.041 |
| 2023-07 | 0.063 | 0.040 |
| 2024-01 | 0.060 | 0.046 |
| 2024-07 | 0.075 | 0.046 |
| 2025-01 | 0.071 | 0.052 |
| 2025-07 | 0.090 | 0.053 |
| 2026-01 | 0.084 | 0.058 |
| 2026-07 | 0.106 | 0.060 |
| 2027-01 | 0.099 | 0.065 |
Ephemeris comparison
Difference between NIMAv12 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.