(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 | 48.431713 ± 0.003380 au |
| Eccentricity | 0.166705637 ± 0.000037223 |
| Inclination | 12.021611381 ± 0.000306232 ° |
| Longitude of ascending node | 272.582741 ± 0.002371 ° |
| Argument of perihelia | 6.965908 ± 0.013362 ° |
| Mean anomaly | 341.647546 ± 0.009325 ° |
| Orbital period | 337.06 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv6 |
| Observation file |
omc_ast_NIMAv6.txt |
| bsp file | 278361_2007JJ43_nima_v6.bsp |
| Date of first observation | 2002-05-10 |
| Date of last observation | 2019-07-11 |
| Number of observations used in the fit | 220 |
| Number of rejected observations | 4 |
| Number of DES observations | 0 |
| Number of MPC observations | 159 |
| Number of unpublished observations | 65 |
| RMS of observations | 0.209 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) |
| 2019-01 | 0.079 | 0.009 |
| 2019-07 | 0.014 | 0.010 |
| 2020-01 | 0.102 | 0.010 |
| 2020-07 | 0.041 | 0.012 |
| 2021-01 | 0.132 | 0.014 |
| 2021-07 | 0.075 | 0.016 |
| 2022-01 | 0.166 | 0.018 |
| 2022-07 | 0.115 | 0.021 |
| 2023-01 | 0.206 | 0.024 |
Ephemeris comparison
Difference between NIMAv6 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.