(40314) 1999KR16
Object
| Object |
(40314) 1999KR16 |
| Diameter(1) |
271 km |
| Dynamic class(1) |
otherTNO |
| Absolute magnitude |
5.67 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2460800.5 |
| Semi major axis |
48.463779 ± 0.001791 au |
| Eccentricity |
0.299752840 ± 0.000021081 |
| Inclination |
24.842850285 ± 0.000029485 ° |
| Longitude of ascending node |
205.697114 ± 0.000062 ° |
| Argument of perihelia |
58.926073 ± 0.001765 ° |
| Mean anomaly |
354.701509 ± 0.001167 ° |
| Orbital period |
337.39 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv4 |
| Observation file (documentation) |
omc_ast_NIMAv4.txt |
| bsp file |
40314_1999KR16_nima_v4.bsp |
| Date of first observation |
1999-05-16 |
| Date of last observation |
2025-07-01 |
| Number of observations used in the fit |
490 |
| Number of rejected observations |
4 |
| Number of DES observations |
0 |
| Number of MPC observations |
482 |
| Number of unpublished observations |
12 |
| RMS of observations |
0.155 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv4 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 |
0.047 |
0.028 |
| 2025-01 |
0.026 |
0.013 |
| 2025-07 |
0.050 |
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 NIMAv4 and JPL30 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