(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 | 10.78 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2459800.5 |
| Semi major axis | 5.060521 ± 0.000000 au |
| Eccentricity | 0.042181054 ± 0.000000018 |
| Inclination | 15.306610665 ± 0.000000848 ° |
| Longitude of ascending node | 100.761028 ± 0.000002 ° |
| Argument of perihelia | 160.430078 ± 0.000041 ° |
| Mean anomaly | 41.194353 ± 0.000043 ° |
| Orbital period | 11.38 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv5 |
| Observation file |
omc_ast_NIMAv5.txt |
| bsp file | 16560_Daitor_nima_v5.bsp |
| Date of first observation | 1955-10-23 |
| Date of last observation | 2023-06-21 |
| Number of observations used in the fit | 2541 |
| Number of rejected observations | 5 |
| Number of DES observations | 0 |
| Number of MPC observations | 2302 |
| Number of unpublished observations | 0 |
| RMS of observations | 0.144 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) |
| 2023-01 | 0.028 | 0.003 |
| 2023-07 | 0.035 | 0.011 |
| 2024-01 | 0.029 | 0.009 |
| 2024-07 | 0.031 | 0.014 |
| 2025-01 | 0.031 | 0.014 |
| 2025-07 | 0.029 | 0.013 |
| 2026-01 | 0.035 | 0.016 |
| 2026-07 | 0.028 | 0.011 |
| 2027-01 | 0.040 | 0.014 |
Ephemeris comparison
Difference between NIMAv5 and JPL39 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.