(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 | 7.13 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2459800.5 |
| Semi major axis | 32.647563 ± 0.000423 au |
| Eccentricity | 0.460792462 ± 0.000005584 |
| Inclination | 2.622739775 ± 0.000007387 ° |
| Longitude of ascending node | 259.126372 ± 0.000383 ° |
| Argument of perihelia | 144.125306 ± 0.000634 ° |
| Mean anomaly | 357.188815 ± 0.000211 ° |
| Orbital period | 186.55 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv5 |
| Observation file |
omc_ast_NIMAv5.txt |
| bsp file | 44594_1999OX3_nima_v5.bsp |
| Date of first observation | 1999-07-21 |
| Date of last observation | 2023-01-09 |
| Number of observations used in the fit | 915 |
| Number of rejected observations | 3 |
| Number of DES observations | 9 |
| Number of MPC observations | 892 |
| Number of unpublished observations | 17 |
| RMS of observations | 0.307 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv5 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2023-01 | 0.054 | 0.043 |
| 2023-07 | 0.099 | 0.048 |
| 2024-01 | 0.083 | 0.050 |
| 2024-07 | 0.142 | 0.056 |
| 2025-01 | 0.130 | 0.059 |
| 2025-07 | 0.196 | 0.063 |
| 2026-01 | 0.192 | 0.068 |
| 2026-07 | 0.260 | 0.069 |
| 2027-01 | 0.267 | 0.075 |
Ephemeris comparison
Difference between NIMAv5 and JPL49 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.