(24448) 2000QE42
Object
| Object |
(24448) 2000QE42 |
| Diameter(1) |
31 km |
| Dynamic class(1) |
trojan |
| Absolute magnitude |
11.56 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2460800.5 |
| Semi major axis |
5.146212 ± 0.000000 au |
| Eccentricity |
0.052993307 ± 0.000000052 |
| Inclination |
8.856579509 ± 0.000001658 ° |
| Longitude of ascending node |
156.849866 ± 0.000028 ° |
| Argument of perihelia |
199.744510 ± 0.000051 ° |
| Mean anomaly |
12.092221 ± 0.000046 ° |
| Orbital period |
11.67 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv6 |
| Observation file (documentation) |
omc_ast_NIMAv6.txt |
| bsp file |
24448_2000QE42_nima_v6.bsp |
| Date of first observation |
1988-10-09 |
| Date of last observation |
2025-06-23 |
| Number of observations used in the fit |
2169 |
| Number of rejected observations |
9 |
| Number of DES observations |
0 |
| Number of MPC observations |
2168 |
| Number of unpublished observations |
10 |
| RMS of observations |
0.389 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 |
0.024 |
0.014 |
| 2024-07 |
0.040 |
0.019 |
| 2025-01 |
0.036 |
0.015 |
| 2025-07 |
0.045 |
0.016 |
| 2026-01 |
0.050 |
0.015 |
| 2026-07 |
0.046 |
0.010 |
| 2027-01 |
0.062 |
0.014 |
| 2027-07 |
0.046 |
0.008 |
| 2028-01 |
0.065 |
0.014 |
Ephemeris comparison
Difference between NIMAv6 and JPL49 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