(44594) 1999OX3
This object has a more recent orbit available here
Object
| Object | (44594) 1999OX3 |
| Diameter(1) | 151 km |
| Dynamic class(1) | Centaur |
| Absolute magnitude | 7.00 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2458600.5 |
| Semi major axis | 32.198514 ± 0.000520 au |
| Eccentricity | 0.453352422 ± 0.000006679 |
| Inclination | 2.625939548 ± 0.000013677 ° |
| Longitude of ascending node | 259.043471 ± 0.001375 ° |
| Argument of perihelia | 144.320763 ± 0.002043 ° |
| Mean anomaly | 350.603562 ± 0.000442 ° |
| Orbital period | 182.71 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv3 |
| Observation file |
omc_ast_NIMAv3.txt |
| bsp file | 44594_1999OX3_nima_v3.bsp |
| Date of first observation | 1999-07-21 |
| Date of last observation | 2020-11-14 |
| Number of observations used in the fit | 660 |
| Number of rejected observations | 3 |
| Number of DES observations | 9 |
| Number of MPC observations | 637 |
| Number of unpublished observations | 17 |
| RMS of observations | 0.287 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv3 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2021-01 | 0.055 | 0.046 |
| 2021-07 | 0.105 | 0.056 |
| 2022-01 | 0.079 | 0.055 |
| 2022-07 | 0.153 | 0.068 |
| 2023-01 | 0.124 | 0.067 |
| 2023-07 | 0.216 | 0.081 |
| 2024-01 | 0.191 | 0.081 |
| 2024-07 | 0.293 | 0.094 |
| 2025-01 | 0.278 | 0.097 |
Ephemeris comparison
Difference between NIMAv3 and JPL40 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.