(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 | 9.06 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2460600.5 |
| Semi major axis | 5.238347 ± 0.000000 au |
| Eccentricity | 0.037638494 ± 0.000000023 |
| Inclination | 32.087387431 ± 0.000001401 ° |
| Longitude of ascending node | 211.657507 ± 0.000003 ° |
| Argument of perihelia | 59.041857 ± 0.000072 ° |
| Mean anomaly | 113.963604 ± 0.000067 ° |
| Orbital period | 11.99 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv6 |
| Observation file |
omc_ast_NIMAv6.txt |
| bsp file | 2363_Cebriones_nima_v6.bsp |
| Date of first observation | 1953-08-11 |
| Date of last observation | 2024-07-12 |
| Number of observations used in the fit | 5791 |
| Number of rejected observations | 220 |
| Number of DES observations | 0 |
| Number of MPC observations | 6007 |
| Number of unpublished observations | 4 |
| RMS of observations | 0.444 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 | 0.013 | 0.006 |
| 2024-07 | 0.019 | 0.006 |
| 2025-01 | 0.023 | 0.008 |
| 2025-07 | 0.026 | 0.008 |
| 2026-01 | 0.035 | 0.012 |
| 2026-07 | 0.031 | 0.009 |
| 2027-01 | 0.045 | 0.014 |
| 2027-07 | 0.035 | 0.009 |
| 2028-01 | 0.049 | 0.011 |
Ephemeris comparison
Difference between NIMAv6 and JPL75 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.