(470309) 2007JK43
Object
| Object |
(470309) 2007JK43 |
| Diameter(1) |
176 km |
| Dynamic class(1) |
Centaur |
| Absolute magnitude |
7.00 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2458200.5 |
| Semi major axis |
46.673188 ± 0.002347 au |
| Eccentricity |
0.495126717 ± 0.000022708 |
| Inclination |
44.827743029 ± 0.000117335 ° |
| Longitude of ascending node |
233.536993 ± 0.000071 ° |
| Argument of perihelia |
10.480690 ± 0.000493 ° |
| Mean anomaly |
7.049104 ± 0.000647 ° |
| Orbital period |
318.87 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv5 |
| Observation file (documentation) |
omc_ast_NIMAv5.txt |
| bsp file |
470309_2007JK43_nima_v5.bsp |
| Date of first observation |
2007-05-10 |
| Date of last observation |
2021-08-02 |
| Number of observations used in the fit |
313 |
| Number of rejected observations |
0 |
| Number of DES observations |
0 |
| Number of MPC observations |
279 |
| Number of unpublished observations |
34 |
| RMS of observations |
0.109 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv5 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date |
σα (arcsec) |
σδ (arcsec) |
| 2021-01 |
0.046 |
0.043 |
| 2021-07 |
0.039 |
0.020 |
| 2022-01 |
0.068 |
0.038 |
| 2022-07 |
0.070 |
0.039 |
| 2023-01 |
0.097 |
0.036 |
| 2023-07 |
0.106 |
0.063 |
| 2024-01 |
0.132 |
0.041 |
| 2024-07 |
0.150 |
0.090 |
| 2025-01 |
0.173 |
0.053 |
Ephemeris comparison
Difference between NIMAv5 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