(469505) 2003FE128
Object
| Object |
(469505) 2003FE128 |
| Diameter(1) |
127 km |
| Dynamic class(1) |
twotino |
| Absolute magnitude |
6.35 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2460600.5 |
| Semi major axis |
47.620599 ± 0.006319 au |
| Eccentricity |
0.247446196 ± 0.000083119 |
| Inclination |
3.385608699 ± 0.000043554 ° |
| Longitude of ascending node |
169.313790 ± 0.001371 ° |
| Argument of perihelia |
53.447322 ± 0.004209 ° |
| Mean anomaly |
16.407766 ± 0.005387 ° |
| Orbital period |
328.62 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv6 |
| Observation file (documentation) |
omc_ast_NIMAv6.txt |
| bsp file |
469505_2003FE128_nima_v6.bsp |
| Date of first observation |
2003-03-31 |
| Date of last observation |
2025-04-03 |
| Number of observations used in the fit |
103 |
| Number of rejected observations |
0 |
| Number of DES observations |
0 |
| Number of MPC observations |
98 |
| Number of unpublished observations |
5 |
| RMS of observations |
0.196 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv6 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date |
σα (arcsec) |
σδ (arcsec) |
| 2024-01 |
0.133 |
0.112 |
| 2024-07 |
0.181 |
0.121 |
| 2025-01 |
0.156 |
0.119 |
| 2025-07 |
0.194 |
0.128 |
| 2026-01 |
0.184 |
0.127 |
| 2026-07 |
0.211 |
0.136 |
| 2027-01 |
0.217 |
0.135 |
| 2027-07 |
0.232 |
0.144 |
| 2028-01 |
0.256 |
0.142 |
Ephemeris comparison
Difference between NIMAv6 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.
Previous NIMA versions