(10199) Chariklo
Object
| Object |
(10199) Chariklo |
| Diameter(1) |
242 km |
| Dynamic class(1) |
Centaur |
| Absolute magnitude |
6.58 |
| G slop |
0.15 |
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 (documentation) |
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| Number of unpublished observations |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.
Previous NIMA versions