(16560) Daitor
This object has a more recent orbit available here
Object
| Object | (16560) Daitor |
| Diameter(1) | 43 km |
| Dynamic class(1) | trojan |
| Absolute magnitude | 10.79 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2460600.5 |
| Semi major axis | 5.061874 ± 0.000000 au |
| Eccentricity | 0.041274193 ± 0.000000017 |
| Inclination | 15.302156184 ± 0.000000846 ° |
| Longitude of ascending node | 100.734489 ± 0.000002 ° |
| Argument of perihelia | 161.115300 ± 0.000042 ° |
| Mean anomaly | 109.906105 ± 0.000043 ° |
| Orbital period | 11.39 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv6 |
| Observation file |
omc_ast_NIMAv6.txt |
| bsp file | 16560_Daitor_nima_v6.bsp |
| Date of first observation | 1955-10-23 |
| Date of last observation | 2024-07-12 |
| Number of observations used in the fit | 2845 |
| Number of rejected observations | 5 |
| Number of DES observations | 0 |
| Number of MPC observations | 2606 |
| Number of unpublished observations | 0 |
| RMS of observations | 0.144 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 | 0.026 | 0.008 |
| 2024-07 | 0.028 | 0.013 |
| 2025-01 | 0.029 | 0.013 |
| 2025-07 | 0.026 | 0.012 |
| 2026-01 | 0.033 | 0.015 |
| 2026-07 | 0.026 | 0.010 |
| 2027-01 | 0.037 | 0.013 |
| 2027-07 | 0.027 | 0.006 |
| 2028-01 | 0.040 | 0.004 |
Ephemeris comparison
Difference between NIMAv6 and JPL44 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.