(3793) Leonteus
Object
| Object |
(3793) Leonteus |
| Diameter(1) |
112 km |
| Dynamic class(1) |
trojan |
| Absolute magnitude |
8.85 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2459800.5 |
| Semi major axis |
5.221740 ± 0.000000 au |
| Eccentricity |
0.090344161 ± 0.000000056 |
| Inclination |
20.895309012 ± 0.000005843 ° |
| Longitude of ascending node |
200.517306 ± 0.000014 ° |
| Argument of perihelia |
262.316483 ± 0.000035 ° |
| Mean anomaly |
327.965022 ± 0.000033 ° |
| Orbital period |
11.93 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv5 |
| Observation file (documentation) |
omc_ast_NIMAv5.txt |
| bsp file |
3793_Leonteus_nima_v5.bsp |
| Date of first observation |
1951-11-29 |
| Date of last observation |
2023-04-16 |
| Number of observations used in the fit |
4175 |
| Number of rejected observations |
24 |
| Number of DES observations |
0 |
| Number of MPC observations |
4199 |
| Number of unpublished observations |
0 |
| RMS of observations |
0.376 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 |
0.037 |
0.024 |
| 2023-07 |
0.031 |
0.017 |
| 2024-01 |
0.052 |
0.027 |
| 2024-07 |
0.038 |
0.019 |
| 2025-01 |
0.054 |
0.024 |
| 2025-07 |
0.044 |
0.019 |
| 2026-01 |
0.049 |
0.019 |
| 2026-07 |
0.048 |
0.018 |
| 2027-01 |
0.042 |
0.017 |
Ephemeris comparison
Difference between NIMAv5 and JPL95 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