(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 | 11.51 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2459800.5 |
| Semi major axis | 5.153561 ± 0.000000 au |
| Eccentricity | 0.053754369 ± 0.000000051 |
| Inclination | 8.851600059 ± 0.000001676 ° |
| Longitude of ascending node | 156.855595 ± 0.000028 ° |
| Argument of perihelia | 198.638572 ± 0.000046 ° |
| Mean anomaly | 288.797402 ± 0.000039 ° |
| Orbital period | 11.70 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv3 |
| Observation file |
omc_ast_NIMAv3.txt |
| bsp file | 24448_2000QE42_nima_v3.bsp |
| Date of first observation | 1988-10-09 |
| Date of last observation | 2022-07-16 |
| Number of observations used in the fit | 1648 |
| Number of rejected observations | 9 |
| Number of DES observations | 55 |
| Number of MPC observations | 1592 |
| Number of unpublished observations | 10 |
| RMS of observations | 0.409 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 | 0.008 | 0.007 |
| 2022-07 | 0.016 | 0.014 |
| 2023-01 | 0.015 | 0.011 |
| 2023-07 | 0.030 | 0.019 |
| 2024-01 | 0.024 | 0.014 |
| 2024-07 | 0.040 | 0.019 |
| 2025-01 | 0.036 | 0.015 |
| 2025-07 | 0.046 | 0.016 |
| 2026-01 | 0.051 | 0.015 |
Ephemeris comparison
Difference between NIMAv3 and JPL34 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.