(469505) 2003FE128
This object has a more recent orbit available here
Object
| Object | (469505) 2003FE128 |
| Diameter(1) | 243 km |
| Dynamic class(1) | res1:2 |
| Absolute magnitude | 6.30 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2458600.5 |
| Semi major axis | 48.427783 ± 0.008960 au |
| Eccentricity | 0.259181666 ± 0.000114467 |
| Inclination | 3.383029480 ± 0.000994369 ° |
| Longitude of ascending node | 169.182375 ± 0.012847 ° |
| Argument of perihelia | 54.617765 ± 0.009570 ° |
| Mean anomaly | 9.507173 ± 0.006971 ° |
| Orbital period | 337.02 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv1 |
| Observation file |
omc_ast_NIMAv1.txt |
| bsp file | 469505_2003FE128_nima_v1.bsp |
| Date of first observation | 2003-03-31 |
| Date of last observation | 2015-05-25 |
| Number of observations used in the fit | 69 |
| Number of rejected observations | 0 |
| Number of DES observations | 0 |
| Number of MPC observations | 69 |
| Number of unpublished observations | 0 |
| RMS of observations | 0.223 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 | 0.559 | 0.200 |
| 2018-07 | 0.536 | 0.201 |
| 2019-01 | 0.718 | 0.227 |
| 2019-07 | 0.700 | 0.229 |
| 2020-01 | 0.895 | 0.255 |
| 2020-07 | 0.883 | 0.259 |
| 2021-01 | 1.090 | 0.283 |
| 2021-07 | 1.085 | 0.288 |
| 2022-01 | 1.301 | 0.310 |
Ephemeris comparison
Difference between NIMAv1 and JPL6 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.