(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) | 2458200.5 |
| Semi major axis | 5.205585 ± 0.000000 au |
| Eccentricity | 0.036112895 ± 0.000000047 |
| Inclination | 32.135527408 ± 0.000005079 ° |
| Longitude of ascending node | 211.744134 ± 0.000009 ° |
| Argument of perihelia | 53.879680 ± 0.000155 ° |
| Mean anomaly | 280.292141 ± 0.000158 ° |
| Orbital period | 11.88 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv1 |
| Observation file |
omc_ast_NIMAv1.txt |
| bsp file | 2363_Cebriones_nima_v1.bsp |
| Date of first observation | 1953-08-11 |
| Date of last observation | 2019-01-24 |
| Number of observations used in the fit | 1809 |
| Number of rejected observations | 14 |
| Number of DES observations | 0 |
| Number of MPC observations | 1823 |
| Number of unpublished observations | 0 |
| RMS of observations | 0.527 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv1 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2018-01 | 0.020 | 0.015 |
| 2018-07 | 0.020 | 0.015 |
| 2019-01 | 0.024 | 0.015 |
| 2019-07 | 0.030 | 0.020 |
| 2020-01 | 0.030 | 0.018 |
| 2020-07 | 0.043 | 0.027 |
| 2021-01 | 0.036 | 0.020 |
| 2021-07 | 0.053 | 0.028 |
| 2022-01 | 0.039 | 0.018 |
Ephemeris comparison
Difference between NIMAv1 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.