(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 | 43.592500 ± 0.001163 au |
| Eccentricity | 0.140833582 ± 0.000016045 |
| Inclination | 25.703385834 ± 0.000017273 ° |
| Longitude of ascending node | 307.596503 ± 0.000156 ° |
| Argument of perihelia | 220.268232 ± 0.006935 ° |
| Mean anomaly | 233.725585 ± 0.007590 ° |
| Orbital period | 287.82 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv11 |
| Observation file |
omc_ast_NIMAv11.txt |
| bsp file | 202421_2005UQ513_nima_v11.bsp |
| Date of first observation | 1990-09-15 |
| Date of last observation | 2021-10-26 |
| Number of observations used in the fit | 806 |
| Number of rejected observations | 9 |
| Number of DES observations | 0 |
| Number of MPC observations | 728 |
| Number of unpublished observations | 87 |
| RMS of observations | 0.147 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv11 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2022-01 | 0.046 | 0.038 |
| 2022-07 | 0.054 | 0.035 |
| 2023-01 | 0.054 | 0.042 |
| 2023-07 | 0.064 | 0.041 |
| 2024-01 | 0.064 | 0.047 |
| 2024-07 | 0.077 | 0.047 |
| 2025-01 | 0.075 | 0.053 |
| 2025-07 | 0.091 | 0.054 |
| 2026-01 | 0.089 | 0.060 |
Ephemeris comparison
Difference between NIMAv11 and JPL20 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.