(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) | 2460600.5 |
| Semi major axis | 32.724611 ± 0.000416 au |
| Eccentricity | 0.462102791 ± 0.000005467 |
| Inclination | 2.619825834 ± 0.000007374 ° |
| Longitude of ascending node | 259.179453 ± 0.000377 ° |
| Argument of perihelia | 144.424367 ± 0.000621 ° |
| Mean anomaly | 1.296855 ± 0.000128 ° |
| Orbital period | 187.21 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv6 |
| Observation file |
omc_ast_NIMAv6.txt |
| bsp file | 44594_1999OX3_nima_v6.bsp |
| Date of first observation | 1999-07-21 |
| Date of last observation | 2024-01-04 |
| Number of observations used in the fit | 969 |
| Number of rejected observations | 3 |
| Number of DES observations | 9 |
| Number of MPC observations | 946 |
| Number of unpublished observations | 17 |
| RMS of observations | 0.309 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv6 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2024-01 | 0.079 | 0.049 |
| 2024-07 | 0.135 | 0.054 |
| 2025-01 | 0.124 | 0.057 |
| 2025-07 | 0.187 | 0.061 |
| 2026-01 | 0.183 | 0.066 |
| 2026-07 | 0.249 | 0.067 |
| 2027-01 | 0.256 | 0.073 |
| 2027-07 | 0.320 | 0.069 |
| 2028-01 | 0.342 | 0.076 |
Ephemeris comparison
Difference between NIMAv6 and JPL53 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.