(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 | 43.219208 ± 0.001820 au |
| Eccentricity | 0.147243405 ± 0.000025952 |
| Inclination | 25.704264987 ± 0.000187023 ° |
| Longitude of ascending node | 307.591904 ± 0.000693 ° |
| Argument of perihelia | 222.988714 ± 0.009675 ° |
| Mean anomaly | 226.798644 ± 0.010064 ° |
| Orbital period | 284.13 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv8 |
| Observation file |
omc_ast_NIMAv8.txt |
| bsp file | 202421_2005UQ513_nima_v8.bsp |
| Date of first observation | 1990-09-15 |
| Date of last observation | 2020-06-22 |
| Number of observations used in the fit | 328 |
| Number of rejected observations | 9 |
| Number of DES observations | 0 |
| Number of MPC observations | 214 |
| Number of unpublished observations | 123 |
| RMS of observations | 0.193 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv8 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2020-01 | 0.074 | 0.065 |
| 2020-07 | 0.097 | 0.060 |
| 2021-01 | 0.083 | 0.071 |
| 2021-07 | 0.110 | 0.069 |
| 2022-01 | 0.095 | 0.079 |
| 2022-07 | 0.126 | 0.078 |
| 2023-01 | 0.109 | 0.087 |
| 2023-07 | 0.145 | 0.088 |
| 2024-01 | 0.126 | 0.096 |
Ephemeris comparison
Difference between NIMAv8 and JPL10 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.