(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Number of unpublished observations | 0 |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.