(2363) Cebriones
Object
| Object |
(2363) Cebriones |
| Diameter(1) |
97 km |
| Dynamic class(1) |
trojan |
| Absolute magnitude |
9.11 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2460800.5 |
| Semi major axis |
5.239770 ± 0.000000 au |
| Eccentricity |
0.037122379 ± 0.000000023 |
| Inclination |
32.081384201 ± 0.000001396 ° |
| Longitude of ascending node |
211.656681 ± 0.000003 ° |
| Argument of perihelia |
59.052445 ± 0.000065 ° |
| Mean anomaly |
130.441439 ± 0.000060 ° |
| Orbital period |
11.99 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv7 |
| Observation file (documentation) |
omc_ast_NIMAv7.txt |
| bsp file |
2363_Cebriones_nima_v7.bsp |
| Date of first observation |
1953-08-11 |
| Date of last observation |
2025-07-13 |
| Number of observations used in the fit |
6777 |
| Number of rejected observations |
220 |
| Number of DES observations |
0 |
| Number of MPC observations |
6993 |
| Number of unpublished observations |
4 |
| RMS of observations |
0.415 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv7 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date |
σα (arcsec) |
σδ (arcsec) |
| 2024-01 |
0.011 |
0.006 |
| 2024-07 |
0.017 |
0.006 |
| 2025-01 |
0.020 |
0.007 |
| 2025-07 |
0.023 |
0.007 |
| 2026-01 |
0.031 |
0.011 |
| 2026-07 |
0.027 |
0.008 |
| 2027-01 |
0.039 |
0.013 |
| 2027-07 |
0.031 |
0.008 |
| 2028-01 |
0.043 |
0.010 |
Ephemeris comparison
Difference between NIMAv7 and JPL80 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.
Previous NIMA versions