(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 | 6.36 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2459800.5 |
| Semi major axis | 47.849985 ± 0.007778 au |
| Eccentricity | 0.250133971 ± 0.000101849 |
| Inclination | 3.386098981 ± 0.000053574 ° |
| Longitude of ascending node | 169.361996 ± 0.001559 ° |
| Argument of perihelia | 54.323933 ± 0.004043 ° |
| Mean anomaly | 13.363546 ± 0.004966 ° |
| Orbital period | 331.00 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv4 |
| Observation file |
omc_ast_NIMAv4.txt |
| bsp file | 469505_2003FE128_nima_v4.bsp |
| Date of first observation | 2003-03-31 |
| Date of last observation | 2023-04-24 |
| Number of observations used in the fit | 91 |
| Number of rejected observations | 0 |
| Number of DES observations | 0 |
| Number of MPC observations | 91 |
| Number of unpublished observations | 0 |
| RMS of observations | 0.203 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) |
| 2023-01 | 0.220 | 0.134 |
| 2023-07 | 0.203 | 0.140 |
| 2024-01 | 0.264 | 0.143 |
| 2024-07 | 0.238 | 0.149 |
| 2025-01 | 0.316 | 0.153 |
| 2025-07 | 0.283 | 0.160 |
| 2026-01 | 0.376 | 0.163 |
| 2026-07 | 0.338 | 0.170 |
| 2027-01 | 0.445 | 0.173 |
Ephemeris comparison
Difference between NIMAv4 and JPL9 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.