(16560) Daitor
Object
| Object |
(16560) Daitor |
| Diameter(1) |
43 km |
| Dynamic class(1) |
trojan |
| Absolute magnitude |
10.81 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2460800.5 |
| Semi major axis |
5.061603 ± 0.000000 au |
| Eccentricity |
0.041032455 ± 0.000000015 |
| Inclination |
15.302446926 ± 0.000000845 ° |
| Longitude of ascending node |
100.730502 ± 0.000002 ° |
| Argument of perihelia |
160.853805 ± 0.000042 ° |
| Mean anomaly |
127.516694 ± 0.000043 ° |
| Orbital period |
11.39 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv7 |
| Observation file (documentation) |
omc_ast_NIMAv7.txt |
| bsp file |
16560_Daitor_nima_v7.bsp |
| Date of first observation |
1955-10-23 |
| Date of last observation |
2025-01-19 |
| Number of observations used in the fit |
3335 |
| Number of rejected observations |
5 |
| Number of DES observations |
0 |
| Number of MPC observations |
3096 |
| Number of unpublished observations |
0 |
| RMS of observations |
0.144 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv7 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date |
σα (arcsec) |
σδ (arcsec) |
| 2024-01 |
0.023 |
0.007 |
| 2024-07 |
0.024 |
0.011 |
| 2025-01 |
0.025 |
0.011 |
| 2025-07 |
0.023 |
0.011 |
| 2026-01 |
0.028 |
0.013 |
| 2026-07 |
0.023 |
0.009 |
| 2027-01 |
0.033 |
0.011 |
| 2027-07 |
0.024 |
0.005 |
| 2028-01 |
0.035 |
0.004 |
Ephemeris comparison
Difference between NIMAv7 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