(471325) 2011KT19
This object has a more recent orbit available here
Object
Object | (471325) 2011KT19 |
Diameter(1) | 161 km |
Dynamic class(1) | Centaur |
Absolute magnitude | 7.47 |
G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
Epoch (Julian date) | 2459800.5 |
Semi major axis | 35.746465 ± 0.001544 au |
Eccentricity | 0.331192165 ± 0.000020562 |
Inclination | 110.250525288 ± 0.000054009 ° |
Longitude of ascending node | 243.853980 ± 0.000025 ° |
Argument of perihelia | 323.326011 ± 0.003200 ° |
Mean anomaly | 39.007118 ± 0.003856 ° |
Orbital period | 213.73 yr |
Ephemeris & Observations
Ephemeris version | NIMAv8 |
Observation file |
omc_ast_NIMAv8.txt |
bsp file | 471325_2011KT19_nima_v8.bsp |
Date of first observation | 2010-05-10 |
Date of last observation | 2023-06-21 |
Number of observations used in the fit | 301 |
Number of rejected observations | 10 |
Number of DES observations | 0 |
Number of MPC observations | 259 |
Number of unpublished observations | 44 |
RMS of observations | 0.134 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv8 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
date | σα (arcsec) | σδ (arcsec) |
2023-01 | 0.064 | 0.103 |
2023-07 | 0.092 | 0.140 |
2024-01 | 0.071 | 0.134 |
2024-07 | 0.103 | 0.183 |
2025-01 | 0.078 | 0.171 |
2025-07 | 0.115 | 0.230 |
2026-01 | 0.086 | 0.214 |
2026-07 | 0.128 | 0.283 |
2027-01 | 0.094 | 0.262 |
Ephemeris comparison
Difference between NIMAv8 and JPL13 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.