(24448) 2000QE42
Object
| Object |
(24448) 2000QE42 |
| Diameter(1) |
31 km |
| Dynamic class(1) |
trojan |
| Absolute magnitude |
11.54 |
| G slop |
0.15 |
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 (documentation) |
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| Number of unpublished observations |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.
Previous NIMA versions