(10199) Chariklo
This object has a more recent orbit available here
Object
| Object | (10199) Chariklo |
| Diameter(1) | 242 km |
| Dynamic class(1) | Centaur |
| Absolute magnitude | 6.63 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2460600.5 |
| Semi major axis | 15.759245 ± 0.000001 au |
| Eccentricity | 0.168921221 ± 0.000000035 |
| Inclination | 23.416557220 ± 0.000000421 ° |
| Longitude of ascending node | 300.463371 ± 0.000000 ° |
| Argument of perihelia | 241.481274 ± 0.000022 ° |
| Mean anomaly | 120.467734 ± 0.000029 ° |
| Orbital period | 62.56 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv22 |
| Observation file |
omc_ast_NIMAv22.txt |
| bsp file | 10199_Chariklo_nima_v22.bsp |
| Date of first observation | 1988-11-05 |
| Date of last observation | 2024-07-12 |
| Number of observations used in the fit | 2925 |
| Number of rejected observations | 26 |
| Number of DES observations | 0 |
| Number of MPC observations | 1465 |
| Number of unpublished observations | 570 |
| RMS of observations | 0.108 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv22 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 NIMAv22 and JPL54 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.