(470309) 2007JK43
This object has a more recent orbit available here
Object
| Object | (470309) 2007JK43 |
| Diameter(1) | 176 km |
| Dynamic class(1) | Centaur |
| Absolute magnitude | 7.29 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
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 |
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| Number of unpublished observations | 42 |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.