(471325) 2011KT19
Object
| Object |
(471325) 2011KT19 |
| Diameter(1) |
179 km |
| Dynamic class(1) |
Centaur |
| Absolute magnitude |
7.46 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2460800.5 |
| Semi major axis |
35.682138 ± 0.001527 au |
| Eccentricity |
0.332623434 ± 0.000020052 |
| Inclination |
110.304176097 ± 0.000053665 ° |
| Longitude of ascending node |
243.896215 ± 0.000025 ° |
| Argument of perihelia |
322.724645 ± 0.003204 ° |
| Mean anomaly |
43.933780 ± 0.004144 ° |
| Orbital period |
213.15 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv10 |
| Observation file (documentation) |
omc_ast_NIMAv10.txt |
| bsp file |
471325_2011KT19_nima_v10.bsp |
| Date of first observation |
2010-05-10 |
| Date of last observation |
2025-05-30 |
| Number of observations used in the fit |
310 |
| Number of rejected observations |
10 |
| Number of DES observations |
0 |
| Number of MPC observations |
268 |
| Number of unpublished observations |
44 |
| RMS of observations |
0.134 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv10 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date |
σα (arcsec) |
σδ (arcsec) |
| 2024-01 |
0.070 |
0.128 |
| 2024-07 |
0.100 |
0.173 |
| 2025-01 |
0.078 |
0.163 |
| 2025-07 |
0.112 |
0.218 |
| 2026-01 |
0.085 |
0.203 |
| 2026-07 |
0.124 |
0.268 |
| 2027-01 |
0.093 |
0.248 |
| 2027-07 |
0.138 |
0.321 |
| 2028-01 |
0.101 |
0.297 |
Ephemeris comparison
Difference between NIMAv10 and JPL16 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