(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 | 32.724623 ± 0.000338 au |
| Eccentricity | 0.462102948 ± 0.000004554 |
| Inclination | 2.619826101 ± 0.000007312 ° |
| Longitude of ascending node | 259.179408 ± 0.000341 ° |
| Argument of perihelia | 144.424395 ± 0.000503 ° |
| Mean anomaly | 1.296860 ± 0.000098 ° |
| Orbital period | 187.21 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv7 |
| Observation file |
omc_ast_NIMAv7.txt |
| bsp file | 44594_1999OX3_nima_v7.bsp |
| Date of first observation | 1999-07-21 |
| Date of last observation | 2025-02-03 |
| Number of observations used in the fit | 1030 |
| Number of rejected observations | 3 |
| Number of DES observations | 9 |
| Number of MPC observations | 995 |
| Number of unpublished observations | 29 |
| RMS of observations | 0.303 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv7 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2024-01 | 0.052 | 0.042 |
| 2024-07 | 0.083 | 0.044 |
| 2025-01 | 0.076 | 0.047 |
| 2025-07 | 0.118 | 0.049 |
| 2026-01 | 0.114 | 0.053 |
| 2026-07 | 0.160 | 0.053 |
| 2027-01 | 0.163 | 0.059 |
| 2027-07 | 0.210 | 0.056 |
| 2028-01 | 0.223 | 0.062 |
Ephemeris comparison
Difference between NIMAv7 and JPL54 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.