(40314) 1999KR16
This object has a more recent orbit available here
Object
| Object | (40314) 1999KR16 |
| Diameter(1) | 271 km |
| Dynamic class(1) | otherTNO |
| Absolute magnitude | 5.68 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2460600.5 |
| Semi major axis | 48.466507 ± 0.001804 au |
| Eccentricity | 0.299876125 ± 0.000021218 |
| Inclination | 24.851197988 ± 0.000029610 ° |
| Longitude of ascending node | 205.719259 ± 0.000062 ° |
| Argument of perihelia | 59.060195 ± 0.001780 ° |
| Mean anomaly | 354.039124 ± 0.001211 ° |
| Orbital period | 337.42 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv3 |
| Observation file |
omc_ast_NIMAv3.txt |
| bsp file | 40314_1999KR16_nima_v3.bsp |
| Date of first observation | 1999-05-16 |
| Date of last observation | 2024-07-03 |
| Number of observations used in the fit | 450 |
| Number of rejected observations | 4 |
| Number of DES observations | 0 |
| Number of MPC observations | 442 |
| Number of unpublished observations | 12 |
| RMS of observations | 0.161 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv3 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2024-01 | 0.017 | 0.009 |
| 2024-07 | 0.048 | 0.028 |
| 2025-01 | 0.026 | 0.013 |
| 2025-07 | 0.051 | 0.033 |
| 2026-01 | 0.040 | 0.017 |
| 2026-07 | 0.057 | 0.038 |
| 2027-01 | 0.056 | 0.023 |
| 2027-07 | 0.068 | 0.045 |
| 2028-01 | 0.075 | 0.029 |
Ephemeris comparison
Difference between NIMAv3 and JPL27 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.