(2363) Cebriones
This object has a more recent orbit available here
Object
| Object | (2363) Cebriones |
| Diameter(1) | 97 km |
| Dynamic class(1) | trojan |
| Absolute magnitude | 9.11 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2458600.5 |
| Semi major axis | 5.213237 ± 0.000000 au |
| Eccentricity | 0.037374409 ± 0.000000021 |
| Inclination | 32.119967091 ± 0.000000884 ° |
| Longitude of ascending node | 211.748950 ± 0.000003 ° |
| Argument of perihelia | 52.404942 ± 0.000028 ° |
| Mean anomaly | 315.005032 ± 0.000027 ° |
| Orbital period | 11.90 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv3 |
| Observation file |
omc_ast_NIMAv3.txt |
| bsp file | 2363_Cebriones_nima_v3.bsp |
| Date of first observation | 1953-08-11 |
| Date of last observation | 2020-11-01 |
| Number of observations used in the fit | 2955 |
| Number of rejected observations | 18 |
| Number of DES observations | 0 |
| Number of MPC observations | 2784 |
| Number of unpublished observations | 2 |
| RMS of observations | 0.083 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv3 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2021-01 | 0.005 | 0.002 |
| 2021-07 | 0.012 | 0.005 |
| 2022-01 | 0.012 | 0.003 |
| 2022-07 | 0.021 | 0.005 |
| 2023-01 | 0.018 | 0.004 |
| 2023-07 | 0.025 | 0.006 |
| 2024-01 | 0.024 | 0.005 |
| 2024-07 | 0.026 | 0.008 |
| 2025-01 | 0.029 | 0.008 |
Ephemeris comparison
Difference between NIMAv3 and JPL56 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.