(2363) Cebriones
Object
Object |
(2363) Cebriones |
Diameter(1) |
97 km |
Dynamic class(1) |
trojan |
Absolute magnitude |
8.97 |
G slop |
0.15 |
Orbital elements
Epoch (Julian date) |
2457395.749638616 |
Semi major axis |
5.198844 ± 0.000000 au |
Eccentricity |
0.035364824 ± 0.000000025 |
Inclination |
32.134107273 ± 0.000001413 ° |
Longitude of ascending node |
211.754890 ± 0.000003 ° |
Argument of perihelia |
56.551533 ± 0.000078 ° |
Mean anomaly |
210.597500 ± 0.000075 ° |
Orbital period |
11.85 yr |
Ephemeris & Observations
Ephemeris version |
NIMAv5 |
Observation file (documentation) |
omc_ast_NIMAv5.txt |
bsp file |
2363_Cebriones_nima_v5.bsp |
Date of first observation |
1953-08-11 |
Date of last observation |
2023-07-04 |
Number of observations used in the fit |
3912 |
Number of rejected observations |
21 |
Number of DES observations |
0 |
Number of MPC observations |
3929 |
Number of unpublished observations |
4 |
RMS of observations |
0.385 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv5 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
date |
σα (arcsec) |
σδ (arcsec) |
2023-01 |
0.006 |
0.005 |
2023-07 |
0.012 |
0.006 |
2024-01 |
0.013 |
0.006 |
2024-07 |
0.020 |
0.006 |
2025-01 |
0.024 |
0.008 |
2025-07 |
0.027 |
0.008 |
2026-01 |
0.036 |
0.012 |
2026-07 |
0.032 |
0.010 |
2027-01 |
0.046 |
0.015 |
Ephemeris comparison
Difference between NIMAv5 and JPL69 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