(16560) Daitor
Object
| Object |
(16560) Daitor |
| Diameter(1) |
43 km |
| Dynamic class(1) |
trojan |
| Absolute magnitude |
10.78 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2457308.142149056 |
| Semi major axis |
5.058917 ± 0.000001 au |
| Eccentricity |
0.039632810 ± 0.000000082 |
| Inclination |
15.307230381 ± 0.000005084 ° |
| Longitude of ascending node |
100.754720 ± 0.000028 ° |
| Argument of perihelia |
158.179291 ± 0.000114 ° |
| Mean anomaly |
187.083691 ± 0.000122 ° |
| Orbital period |
11.38 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv3 |
| Observation file (documentation) |
omc_ast_NIMAv3.txt |
| bsp file |
16560_Daitor_nima_v3.bsp |
| Date of first observation |
1955-10-23 |
| Date of last observation |
2020-09-14 |
| Number of observations used in the fit |
1984 |
| Number of rejected observations |
5 |
| Number of DES observations |
115 |
| Number of MPC observations |
1874 |
| Number of unpublished observations |
0 |
| RMS of observations |
0.373 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) |
| 2021-01 |
0.035 |
0.023 |
| 2021-07 |
0.056 |
0.036 |
| 2022-01 |
0.041 |
0.025 |
| 2022-07 |
0.065 |
0.036 |
| 2023-01 |
0.045 |
0.024 |
| 2023-07 |
0.056 |
0.032 |
| 2024-01 |
0.046 |
0.023 |
| 2024-07 |
0.047 |
0.027 |
| 2025-01 |
0.048 |
0.026 |
Ephemeris comparison
Difference between NIMAv3 and JPL31 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