(3793) Leonteus
Object
| Object |
(3793) Leonteus |
| Diameter(1) |
112 km |
| Dynamic class(1) |
trojan |
| Absolute magnitude |
8.88 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2460800.5 |
| Semi major axis |
5.226740 ± 0.000000 au |
| Eccentricity |
0.091002065 ± 0.000000045 |
| Inclination |
20.893241824 ± 0.000005229 ° |
| Longitude of ascending node |
200.524153 ± 0.000013 ° |
| Argument of perihelia |
263.105419 ± 0.000032 ° |
| Mean anomaly |
49.841820 ± 0.000028 ° |
| Orbital period |
11.95 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv7 |
| Observation file (documentation) |
omc_ast_NIMAv7.txt |
| bsp file |
3793_Leonteus_nima_v7.bsp |
| Date of first observation |
1951-11-29 |
| Date of last observation |
2025-07-08 |
| Number of observations used in the fit |
5384 |
| Number of rejected observations |
24 |
| Number of DES observations |
0 |
| Number of MPC observations |
5408 |
| Number of unpublished observations |
0 |
| RMS of observations |
0.340 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 |
0.033 |
0.023 |
| 2024-07 |
0.024 |
0.016 |
| 2025-01 |
0.034 |
0.021 |
| 2025-07 |
0.029 |
0.017 |
| 2026-01 |
0.033 |
0.018 |
| 2026-07 |
0.033 |
0.017 |
| 2027-01 |
0.031 |
0.016 |
| 2027-07 |
0.037 |
0.019 |
| 2028-01 |
0.030 |
0.016 |
Ephemeris comparison
Difference between NIMAv7 and JPL108 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