(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 |
46.310605 ± 0.001891 au |
| Eccentricity |
0.491451902 ± 0.000018546 |
| Inclination |
44.874594391 ± 0.000022900 ° |
| Longitude of ascending node |
233.572798 ± 0.000026 ° |
| Argument of perihelia |
10.139078 ± 0.000577 ° |
| Mean anomaly |
4.369056 ± 0.000404 ° |
| Orbital period |
315.16 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv6 |
| Observation file (documentation) |
omc_ast_NIMAv6.txt |
| bsp file |
470309_2007JK43_nima_v6.bsp |
| Date of first observation |
2007-05-10 |
| Date of last observation |
2022-05-06 |
| Number of observations used in the fit |
321 |
| Number of rejected observations |
0 |
| Number of DES observations |
0 |
| Number of MPC observations |
279 |
| Number of unpublished observations |
42 |
| RMS of observations |
0.110 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv6 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date |
σα (arcsec) |
σδ (arcsec) |
| 2022-01 |
0.046 |
0.032 |
| 2022-07 |
0.049 |
0.030 |
| 2023-01 |
0.066 |
0.034 |
| 2023-07 |
0.074 |
0.047 |
| 2024-01 |
0.090 |
0.040 |
| 2024-07 |
0.104 |
0.065 |
| 2025-01 |
0.118 |
0.050 |
| 2025-07 |
0.138 |
0.086 |
| 2026-01 |
0.151 |
0.062 |
Ephemeris comparison
Difference between NIMAv6 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