(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 | 6.58 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2459800.5 |
| Semi major axis | 15.812297 ± 0.000001 au |
| Eccentricity | 0.167464551 ± 0.000000036 |
| Inclination | 23.368202379 ± 0.000000443 ° |
| Longitude of ascending node | 300.438426 ± 0.000001 ° |
| Argument of perihelia | 242.601470 ± 0.000022 ° |
| Mean anomaly | 106.726908 ± 0.000028 ° |
| Orbital period | 62.88 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv21 |
| Observation file |
omc_ast_NIMAv21.txt |
| bsp file | 10199_Chariklo_nima_v21.bsp |
| Date of first observation | 1988-11-05 |
| Date of last observation | 2023-06-25 |
| Number of observations used in the fit | 1935 |
| Number of rejected observations | 27 |
| Number of DES observations | 0 |
| Number of MPC observations | 1259 |
| Number of unpublished observations | 570 |
| RMS of observations | 0.082 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv21 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2023-01 | 0.002 | 0.002 |
| 2023-07 | 0.003 | 0.002 |
| 2024-01 | 0.002 | 0.002 |
| 2024-07 | 0.003 | 0.003 |
| 2025-01 | 0.003 | 0.003 |
| 2025-07 | 0.004 | 0.004 |
| 2026-01 | 0.004 | 0.003 |
| 2026-07 | 0.005 | 0.004 |
| 2027-01 | 0.005 | 0.004 |
Ephemeris comparison
Difference between NIMAv21 and JPL47 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.