(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 | 3.50 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2458600.5 |
| Semi major axis | 43.218557 ± 0.001079 au |
| Eccentricity | 0.147250947 ± 0.000014731 |
| Inclination | 25.704249629 ± 0.000105121 ° |
| Longitude of ascending node | 307.591836 ± 0.000413 ° |
| Argument of perihelia | 222.993029 ± 0.006598 ° |
| Mean anomaly | 226.793931 ± 0.007340 ° |
| Orbital period | 284.13 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv9 |
| Observation file |
omc_ast_NIMAv9.txt |
| bsp file | 202421_2005UQ513_nima_v9.bsp |
| Date of first observation | 1990-09-15 |
| Date of last observation | 2020-11-04 |
| Number of observations used in the fit | 764 |
| Number of rejected observations | 10 |
| Number of DES observations | 0 |
| Number of MPC observations | 651 |
| Number of unpublished observations | 123 |
| RMS of observations | 0.148 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv9 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2021-01 | 0.041 | 0.035 |
| 2021-07 | 0.052 | 0.033 |
| 2022-01 | 0.047 | 0.039 |
| 2022-07 | 0.061 | 0.038 |
| 2023-01 | 0.056 | 0.044 |
| 2023-07 | 0.072 | 0.044 |
| 2024-01 | 0.066 | 0.050 |
| 2024-07 | 0.086 | 0.051 |
| 2025-01 | 0.079 | 0.056 |
Ephemeris comparison
Difference between NIMAv9 and JPL18 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.