(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 | 43.218422 ± 0.001973 au |
| Eccentricity | 0.147282670 ± 0.000029916 |
| Inclination | 25.704294354 ± 0.000240018 ° |
| Longitude of ascending node | 307.592117 ± 0.000963 ° |
| Argument of perihelia | 222.973468 ± 0.013151 ° |
| Mean anomaly | 226.820730 ± 0.015857 ° |
| Orbital period | 284.13 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv6 |
| Observation file |
omc_ast_NIMAv6.txt |
| bsp file | 202421_2005UQ513_nima_v6.bsp |
| Date of first observation | 1990-09-15 |
| Date of last observation | 2017-09-28 |
| Number of observations used in the fit | 169 |
| Number of rejected observations | 139 |
| Number of DES observations | 0 |
| Number of MPC observations | 206 |
| Number of unpublished observations | 102 |
| RMS of observations | 0.237 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv6 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2018-01 | 0.117 | 0.091 |
| 2018-07 | 0.202 | 0.107 |
| 2019-01 | 0.149 | 0.108 |
| 2019-07 | 0.242 | 0.128 |
| 2020-01 | 0.185 | 0.128 |
| 2020-07 | 0.287 | 0.150 |
| 2021-01 | 0.227 | 0.149 |
| 2021-07 | 0.337 | 0.174 |
| 2022-01 | 0.273 | 0.173 |
Ephemeris comparison
Difference between NIMAv6 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.