(469505) 2003FE128
This object has a more recent orbit available here
Object
| Object | (469505) 2003FE128 |
| Diameter(1) | 127 km |
| Dynamic class(1) | twotino |
| Absolute magnitude | 6.35 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2460600.5 |
| Semi major axis | 47.618412 ± 0.007625 au |
| Eccentricity | 0.247417290 ± 0.000100453 |
| Inclination | 3.385605918 ± 0.000052533 ° |
| Longitude of ascending node | 169.313738 ± 0.001543 ° |
| Argument of perihelia | 53.447294 ± 0.004266 ° |
| Mean anomaly | 16.408943 ± 0.005857 ° |
| Orbital period | 328.60 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv5 |
| Observation file |
omc_ast_NIMAv5.txt |
| bsp file | 469505_2003FE128_nima_v5.bsp |
| Date of first observation | 2003-03-31 |
| Date of last observation | 2024-06-06 |
| Number of observations used in the fit | 98 |
| Number of rejected observations | 0 |
| Number of DES observations | 0 |
| Number of MPC observations | 98 |
| Number of unpublished observations | 0 |
| RMS of observations | 0.200 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv5 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2024-01 | 0.247 | 0.140 |
| 2024-07 | 0.226 | 0.146 |
| 2025-01 | 0.296 | 0.150 |
| 2025-07 | 0.268 | 0.156 |
| 2026-01 | 0.353 | 0.160 |
| 2026-07 | 0.320 | 0.166 |
| 2027-01 | 0.418 | 0.169 |
| 2027-07 | 0.382 | 0.176 |
| 2028-01 | 0.491 | 0.179 |
Ephemeris comparison
Difference between NIMAv5 and JPL12 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.