(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 | 32.198653 ± 0.000903 au |
| Eccentricity | 0.453354330 ± 0.000011359 |
| Inclination | 2.625941641 ± 0.000022312 ° |
| Longitude of ascending node | 259.043502 ± 0.002346 ° |
| Argument of perihelia | 144.320553 ± 0.003589 ° |
| Mean anomaly | 350.603680 ± 0.000782 ° |
| Orbital period | 182.71 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv2 |
| Observation file |
omc_ast_NIMAv2.txt |
| bsp file | 44594_1999OX3_nima_v2.bsp |
| Date of first observation | 1999-07-21 |
| Date of last observation | 2019-11-03 |
| Number of observations used in the fit | 367 |
| Number of rejected observations | 2 |
| Number of DES observations | 9 |
| Number of MPC observations | 343 |
| Number of unpublished observations | 17 |
| RMS of observations | 0.348 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv2 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2019-01 | 0.072 | 0.052 |
| 2019-07 | 0.082 | 0.054 |
| 2020-01 | 0.069 | 0.056 |
| 2020-07 | 0.126 | 0.068 |
| 2021-01 | 0.082 | 0.064 |
| 2021-07 | 0.192 | 0.087 |
| 2022-01 | 0.132 | 0.078 |
| 2022-07 | 0.283 | 0.110 |
| 2023-01 | 0.222 | 0.100 |
Ephemeris comparison
Difference between NIMAv2 and JPL30 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.