(24448) 2000QE42
This object has a more recent orbit available here
Object
| Object | (24448) 2000QE42 |
| Diameter(1) | 31 km |
| Dynamic class(1) | trojan |
| Absolute magnitude | 11.54 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2460600.5 |
| Semi major axis | 5.148215 ± 0.000000 au |
| Eccentricity | 0.053362960 ± 0.000000057 |
| Inclination | 8.855490829 ± 0.000001669 ° |
| Longitude of ascending node | 156.846880 ± 0.000029 ° |
| Argument of perihelia | 199.671595 ± 0.000056 ° |
| Mean anomaly | 355.277394 ± 0.000053 ° |
| Orbital period | 11.68 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv5 |
| Observation file |
omc_ast_NIMAv5.txt |
| bsp file | 24448_2000QE42_nima_v5.bsp |
| Date of first observation | 1988-10-09 |
| Date of last observation | 2024-07-09 |
| Number of observations used in the fit | 1898 |
| Number of rejected observations | 9 |
| Number of DES observations | 0 |
| Number of MPC observations | 1897 |
| Number of unpublished observations | 10 |
| RMS of observations | 0.402 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 | 0.030 | 0.015 |
| 2024-07 | 0.049 | 0.021 |
| 2025-01 | 0.044 | 0.017 |
| 2025-07 | 0.054 | 0.018 |
| 2026-01 | 0.061 | 0.018 |
| 2026-07 | 0.055 | 0.012 |
| 2027-01 | 0.074 | 0.016 |
| 2027-07 | 0.053 | 0.009 |
| 2028-01 | 0.075 | 0.015 |
Ephemeris comparison
Difference between NIMAv5 and JPL45 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.