(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 | 8.97 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2457395.749638616 |
| Semi major axis | 5.198844 ± 0.000000 au |
| Eccentricity | 0.035364824 ± 0.000000025 |
| Inclination | 32.134107171 ± 0.000001423 ° |
| Longitude of ascending node | 211.754890 ± 0.000003 ° |
| Argument of perihelia | 56.551534 ± 0.000078 ° |
| Mean anomaly | 210.597499 ± 0.000075 ° |
| Orbital period | 11.85 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv4 |
| Observation file |
omc_ast_NIMAv4.txt |
| bsp file | 2363_Cebriones_nima_v4.bsp |
| Date of first observation | 1953-08-11 |
| Date of last observation | 2022-08-29 |
| Number of observations used in the fit | 3325 |
| Number of rejected observations | 19 |
| Number of DES observations | 0 |
| Number of MPC observations | 3340 |
| Number of unpublished observations | 4 |
| RMS of observations | 0.411 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv4 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2022-01 | 0.005 | 0.005 |
| 2022-07 | 0.007 | 0.006 |
| 2023-01 | 0.006 | 0.005 |
| 2023-07 | 0.012 | 0.006 |
| 2024-01 | 0.013 | 0.006 |
| 2024-07 | 0.020 | 0.006 |
| 2025-01 | 0.024 | 0.008 |
| 2025-07 | 0.027 | 0.008 |
| 2026-01 | 0.036 | 0.012 |
Ephemeris comparison
Difference between NIMAv4 and JPL63 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.