(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 ± 0.000001 au |
| Eccentricity | 0.037374363 ± 0.000000073 |
| Inclination | 32.119969783 ± 0.000007483 ° |
| Longitude of ascending node | 211.748942 ± 0.000010 ° |
| Argument of perihelia | 52.404752 ± 0.000197 ° |
| Mean anomaly | 315.005224 ± 0.000196 ° |
| Orbital period | 11.90 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv2 |
| Observation file |
omc_ast_NIMAv2.txt |
| bsp file | 2363_Cebriones_nima_v2.bsp |
| Date of first observation | 1953-08-11 |
| Date of last observation | 2019-08-05 |
| Number of observations used in the fit | 2174 |
| Number of rejected observations | 3 |
| Number of DES observations | 0 |
| Number of MPC observations | 2177 |
| Number of unpublished observations | 0 |
| RMS of observations | 0.501 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv2 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2019-01 | 0.023 | 0.018 |
| 2019-07 | 0.028 | 0.023 |
| 2020-01 | 0.029 | 0.021 |
| 2020-07 | 0.042 | 0.032 |
| 2021-01 | 0.036 | 0.025 |
| 2021-07 | 0.057 | 0.037 |
| 2022-01 | 0.044 | 0.026 |
| 2022-07 | 0.062 | 0.032 |
| 2023-01 | 0.050 | 0.023 |
Ephemeris comparison
Difference between NIMAv2 and JPL41 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.