(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 | 48.437037 ± 0.004136 au |
| Eccentricity | 0.166765205 ± 0.000043201 |
| Inclination | 12.021656705 ± 0.000473902 ° |
| Longitude of ascending node | 272.582642 ± 0.003275 ° |
| Argument of perihelia | 6.949510 ± 0.018096 ° |
| Mean anomaly | 341.661874 ± 0.012265 ° |
| Orbital period | 337.11 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv4 |
| Observation file |
omc_ast_NIMAv4.txt |
| bsp file | 278361_2007JJ43_nima_v4.bsp |
| Date of first observation | 2002-05-10 |
| Date of last observation | 2018-07-18 |
| Number of observations used in the fit | 185 |
| Number of rejected observations | 4 |
| Number of DES observations | 0 |
| Number of MPC observations | 159 |
| Number of unpublished observations | 30 |
| RMS of observations | 0.201 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv4 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2019-01 | 0.168 | 0.058 |
| 2019-07 | 0.112 | 0.064 |
| 2020-01 | 0.216 | 0.067 |
| 2020-07 | 0.161 | 0.074 |
| 2021-01 | 0.272 | 0.077 |
| 2021-07 | 0.220 | 0.084 |
| 2022-01 | 0.334 | 0.088 |
| 2022-07 | 0.288 | 0.096 |
| 2023-01 | 0.405 | 0.100 |
Ephemeris comparison
Difference between NIMAv4 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.