(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 | 6.70 |
G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
Epoch (Julian date) | 2458600.5 |
Semi major axis | 15.841609 ± 0.000001 au |
Eccentricity | 0.170616582 ± 0.000000047 |
Inclination | 23.358559697 ± 0.000001174 ° |
Longitude of ascending node | 300.432504 ± 0.000002 ° |
Argument of perihelia | 243.357970 ± 0.000020 ° |
Mean anomaly | 86.739990 ± 0.000026 ° |
Orbital period | 63.05 yr |
Ephemeris & Observations
Ephemeris version | NIMAv19 |
Observation file |
omc_ast_NIMAv19.txt |
bsp file | 10199_Chariklo_nima_v19.bsp |
Date of first observation | 1988-11-05 |
Date of last observation | 2020-10-07 |
Number of observations used in the fit | 1420 |
Number of rejected observations | 26 |
Number of DES observations | 0 |
Number of MPC observations | 898 |
Number of unpublished observations | 548 |
RMS of observations | 0.370 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv19 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
date | σα (arcsec) | σδ (arcsec) |
2021-01 | 0.001 | 0.001 |
2021-07 | 0.002 | 0.002 |
2022-01 | 0.002 | 0.002 |
2022-07 | 0.003 | 0.002 |
2023-01 | 0.003 | 0.002 |
2023-07 | 0.004 | 0.003 |
2024-01 | 0.003 | 0.003 |
2024-07 | 0.005 | 0.004 |
2025-01 | 0.004 | 0.004 |
Ephemeris comparison
Difference between NIMAv19 and JPL29 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.