(278361) 2007JJ43
This object has a more recent orbit available here
Object
| Object | (278361) 2007JJ43 |
| Diameter(1) | 558 km |
| Dynamic class(1) | otherTNO |
| Absolute magnitude | 4.50 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2458600.5 |
| Semi major axis | 48.433301 ± 0.000609 au |
| Eccentricity | 0.166722393 ± 0.000010309 |
| Inclination | 12.021615432 ± 0.000118056 ° |
| Longitude of ascending node | 272.582728 ± 0.000186 ° |
| Argument of perihelia | 6.960421 ± 0.001399 ° |
| Mean anomaly | 341.652197 ± 0.000843 ° |
| Orbital period | 337.07 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv8 |
| Observation file |
omc_ast_NIMAv8.txt |
| bsp file | 278361_2007JJ43_nima_v8.bsp |
| Date of first observation | 2002-05-10 |
| Date of last observation | 2020-05-24 |
| Number of observations used in the fit | 197 |
| Number of rejected observations | 31 |
| Number of DES observations | 0 |
| Number of MPC observations | 159 |
| Number of unpublished observations | 69 |
| RMS of observations | 0.194 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) |
| 2020-01 | 0.006 | 0.004 |
| 2020-07 | 0.006 | 0.006 |
| 2021-01 | 0.008 | 0.007 |
| 2021-07 | 0.015 | 0.010 |
| 2022-01 | 0.016 | 0.011 |
| 2022-07 | 0.025 | 0.014 |
| 2023-01 | 0.027 | 0.016 |
| 2023-07 | 0.036 | 0.019 |
| 2024-01 | 0.039 | 0.020 |
Ephemeris comparison
Difference between NIMAv8 and JPL4 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.