(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 | 47.849888 ± 0.009257 au |
| Eccentricity | 0.250132706 ± 0.000121242 |
| Inclination | 3.386098571 ± 0.000058382 ° |
| Longitude of ascending node | 169.361987 ± 0.001646 ° |
| Argument of perihelia | 54.323948 ± 0.004097 ° |
| Mean anomaly | 13.363583 ± 0.005311 ° |
| Orbital period | 331.00 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv3 |
| Observation file |
omc_ast_NIMAv3.txt |
| bsp file | 469505_2003FE128_nima_v3.bsp |
| Date of first observation | 2003-03-31 |
| Date of last observation | 2021-06-09 |
| Number of observations used in the fit | 87 |
| Number of rejected observations | 0 |
| Number of DES observations | 0 |
| Number of MPC observations | 87 |
| Number of unpublished observations | 0 |
| RMS of observations | 0.206 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv3 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2022-01 | 0.281 | 0.143 |
| 2022-07 | 0.209 | 0.143 |
| 2023-01 | 0.338 | 0.154 |
| 2023-07 | 0.258 | 0.154 |
| 2024-01 | 0.406 | 0.165 |
| 2024-07 | 0.322 | 0.166 |
| 2025-01 | 0.484 | 0.177 |
| 2025-07 | 0.399 | 0.178 |
| 2026-01 | 0.573 | 0.188 |
Ephemeris comparison
Difference between NIMAv3 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.