(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 ± 0.000002 au |
Eccentricity |
0.167464555 ± 0.000000050 |
Inclination |
23.368202375 ± 0.000000629 ° |
Longitude of ascending node |
300.438426 ± 0.000001 ° |
Argument of perihelia |
242.601469 ± 0.000026 ° |
Mean anomaly |
106.726909 ± 0.000034 ° |
Orbital period |
62.88 yr |
Ephemeris & Observations
Ephemeris version |
NIMAv20 |
Observation file (documentation) |
omc_ast_NIMAv20.txt |
bsp file |
10199_Chariklo_nima_v20.bsp |
Date of first observation |
1988-11-05 |
Date of last observation |
2022-07-04 |
Number of observations used in the fit |
1630 |
Number of rejected observations |
14 |
Number of DES observations |
0 |
Number of MPC observations |
1107 |
Number of unpublished observations |
537 |
RMS of observations |
0.365 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv20 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
date |
σα (arcsec) |
σδ (arcsec) |
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 |
2025-07 |
0.006 |
0.005 |
2026-01 |
0.005 |
0.005 |
Ephemeris comparison
Difference between NIMAv20 and JPL42 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