(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 | 32.199002 ± 0.001010 au |
| Eccentricity | 0.453358192 ± 0.000012431 |
| Inclination | 2.625942750 ± 0.000025461 ° |
| Longitude of ascending node | 259.043902 ± 0.002611 ° |
| Argument of perihelia | 144.319560 ± 0.004032 ° |
| Mean anomaly | 350.603997 ± 0.000882 ° |
| Orbital period | 182.71 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv1 |
| Observation file |
omc_ast_NIMAv1.txt |
| bsp file | 44594_1999OX3_nima_v1.bsp |
| Date of first observation | 1999-07-21 |
| Date of last observation | 2018-10-28 |
| Number of observations used in the fit | 293 |
| Number of rejected observations | 2 |
| Number of DES observations | 9 |
| Number of MPC observations | 286 |
| Number of unpublished observations | 0 |
| RMS of observations | 0.362 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv1 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2018-01 | 0.089 | 0.062 |
| 2018-07 | 0.132 | 0.075 |
| 2019-01 | 0.111 | 0.075 |
| 2019-07 | 0.187 | 0.096 |
| 2020-01 | 0.148 | 0.090 |
| 2020-07 | 0.262 | 0.120 |
| 2021-01 | 0.209 | 0.111 |
| 2021-07 | 0.360 | 0.149 |
| 2022-01 | 0.302 | 0.139 |
Ephemeris comparison
Difference between NIMAv1 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.