(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 | 32.647618 ± 0.000492 au |
| Eccentricity | 0.460793152 ± 0.000006374 |
| Inclination | 2.622739696 ± 0.000007190 ° |
| Longitude of ascending node | 259.126337 ± 0.000421 ° |
| Argument of perihelia | 144.125267 ± 0.000746 ° |
| Mean anomaly | 357.188844 ± 0.000251 ° |
| Orbital period | 186.55 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv4 |
| Observation file |
omc_ast_NIMAv4.txt |
| bsp file | 44594_1999OX3_nima_v4.bsp |
| Date of first observation | 1999-07-21 |
| Date of last observation | 2022-01-15 |
| Number of observations used in the fit | 820 |
| Number of rejected observations | 3 |
| Number of DES observations | 18 |
| Number of MPC observations | 788 |
| Number of unpublished observations | 17 |
| RMS of observations | 0.289 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv4 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2022-01 | 0.051 | 0.043 |
| 2022-07 | 0.098 | 0.050 |
| 2023-01 | 0.077 | 0.050 |
| 2023-07 | 0.144 | 0.060 |
| 2024-01 | 0.123 | 0.061 |
| 2024-07 | 0.202 | 0.070 |
| 2025-01 | 0.187 | 0.072 |
| 2025-07 | 0.273 | 0.079 |
| 2026-01 | 0.269 | 0.084 |
Ephemeris comparison
Difference between NIMAv4 and JPL45 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.