(3793) Leonteus
This object has a more recent orbit available here
Object
| Object | (3793) Leonteus |
| Diameter(1) | 112 km |
| Dynamic class(1) | trojan |
| Absolute magnitude | 8.87 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2460600.5 |
| Semi major axis | 5.225462 ± 0.000000 au |
| Eccentricity | 0.090978971 ± 0.000000052 |
| Inclination | 20.894651931 ± 0.000005457 ° |
| Longitude of ascending node | 200.519919 ± 0.000014 ° |
| Argument of perihelia | 262.912845 ± 0.000033 ° |
| Mean anomaly | 33.517007 ± 0.000030 ° |
| Orbital period | 11.95 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv6 |
| Observation file |
omc_ast_NIMAv6.txt |
| bsp file | 3793_Leonteus_nima_v6.bsp |
| Date of first observation | 1951-11-29 |
| Date of last observation | 2024-06-02 |
| Number of observations used in the fit | 4748 |
| Number of rejected observations | 24 |
| Number of DES observations | 0 |
| Number of MPC observations | 4772 |
| Number of unpublished observations | 0 |
| RMS of observations | 0.359 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 | 0.041 | 0.025 |
| 2024-07 | 0.031 | 0.017 |
| 2025-01 | 0.044 | 0.022 |
| 2025-07 | 0.037 | 0.018 |
| 2026-01 | 0.041 | 0.019 |
| 2026-07 | 0.041 | 0.018 |
| 2027-01 | 0.037 | 0.016 |
| 2027-07 | 0.044 | 0.019 |
| 2028-01 | 0.034 | 0.016 |
Ephemeris comparison
Difference between NIMAv6 and JPL102 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.