(40314) 1999KR16
This object has a more recent orbit available here
Object
| Object | (40314) 1999KR16 |
| Diameter(1) | 254 km |
| Dynamic class(1) | otherTNO |
| Absolute magnitude | 5.70 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2460000.5 |
| Semi major axis | 48.671958 ± 0.001962 au |
| Eccentricity | 0.303050386 ± 0.000022894 |
| Inclination | 24.857927107 ± 0.000030652 ° |
| Longitude of ascending node | 205.736406 ± 0.000064 ° |
| Argument of perihelia | 59.327824 ± 0.001875 ° |
| Mean anomaly | 352.200545 ± 0.001387 ° |
| Orbital period | 339.57 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv1 |
| Observation file |
omc_ast_NIMAv1.txt |
| bsp file | 40314_1999KR16_nima_v1.bsp |
| Date of first observation | 1999-05-16 |
| Date of last observation | 2023-01-27 |
| Number of observations used in the fit | 376 |
| Number of rejected observations | 4 |
| Number of DES observations | 0 |
| Number of MPC observations | 378 |
| Number of unpublished observations | 2 |
| RMS of observations | 0.174 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv1 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2022-01 | 0.016 | 0.009 |
| 2022-07 | 0.052 | 0.023 |
| 2023-01 | 0.013 | 0.007 |
| 2023-07 | 0.052 | 0.026 |
| 2024-01 | 0.017 | 0.009 |
| 2024-07 | 0.053 | 0.030 |
| 2025-01 | 0.027 | 0.013 |
| 2025-07 | 0.055 | 0.035 |
| 2026-01 | 0.041 | 0.018 |
Ephemeris comparison
Difference between NIMAv1 and JPL22 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.