(470309) 2007JK43
Object
| Object |
(470309) 2007JK43 |
| Diameter(1) |
176 km |
| Dynamic class(1) |
Centaur |
| Absolute magnitude |
7.29 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2457285.262689487 |
| Semi major axis |
46.310992 ± 0.001039 au |
| Eccentricity |
0.491456055 ± 0.000010190 |
| Inclination |
44.874600438 ± 0.000012671 ° |
| Longitude of ascending node |
233.572802 ± 0.000022 ° |
| Argument of perihelia |
10.138812 ± 0.000265 ° |
| Mean anomaly |
4.369079 ± 0.000215 ° |
| Orbital period |
315.16 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv8 |
| Observation file (documentation) |
omc_ast_NIMAv8.txt |
| bsp file |
470309_2007JK43_nima_v8.bsp |
| Date of first observation |
2007-05-10 |
| Date of last observation |
2022-11-04 |
| Number of observations used in the fit |
321 |
| Number of rejected observations |
2 |
| Number of DES observations |
0 |
| Number of MPC observations |
279 |
| Number of unpublished observations |
44 |
| RMS of observations |
0.111 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 |
0.020 |
0.006 |
| 2023-07 |
0.021 |
0.026 |
| 2024-01 |
0.027 |
0.008 |
| 2024-07 |
0.030 |
0.037 |
| 2025-01 |
0.037 |
0.016 |
| 2025-07 |
0.043 |
0.048 |
| 2026-01 |
0.048 |
0.025 |
| 2026-07 |
0.058 |
0.061 |
| 2027-01 |
0.063 |
0.035 |
Ephemeris comparison
Difference between NIMAv8 and JPL9 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