(10199) Chariklo
Object
| Object |
(10199) Chariklo |
| Diameter(1) |
241 km |
| Dynamic class(1) |
Centaur |
| Absolute magnitude |
6.64 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2460800.5 |
| Semi major axis |
15.748436 ± 0.000001 au |
| Eccentricity |
0.169613520 ± 0.000000034 |
| Inclination |
23.424878157 ± 0.000000421 ° |
| Longitude of ascending node |
300.470123 ± 0.000000 ° |
| Argument of perihelia |
241.322818 ± 0.000022 ° |
| Mean anomaly |
123.744323 ± 0.000030 ° |
| Orbital period |
62.50 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv23 |
| Observation file (documentation) |
omc_ast_NIMAv23.txt |
| bsp file |
10199_Chariklo_nima_v23.bsp |
| Date of first observation |
1988-11-05 |
| Date of last observation |
2025-07-05 |
| Number of observations used in the fit |
3134 |
| Number of rejected observations |
26 |
| Number of DES observations |
0 |
| Number of MPC observations |
1674 |
| Number of unpublished observations |
570 |
| RMS of observations |
0.108 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv23 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date |
σα (arcsec) |
σδ (arcsec) |
| 2024-01 |
0.002 |
0.002 |
| 2024-07 |
0.003 |
0.003 |
| 2025-01 |
0.003 |
0.002 |
| 2025-07 |
0.004 |
0.003 |
| 2026-01 |
0.004 |
0.003 |
| 2026-07 |
0.005 |
0.004 |
| 2027-01 |
0.005 |
0.004 |
| 2027-07 |
0.006 |
0.005 |
| 2028-01 |
0.005 |
0.005 |
Ephemeris comparison
Difference between NIMAv23 and JPL58 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