(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 | 48.432558 ± 0.000886 au |
| Eccentricity | 0.166714650 ± 0.000011605 |
| Inclination | 12.021618202 ± 0.000162842 ° |
| Longitude of ascending node | 272.582726 ± 0.000660 ° |
| Argument of perihelia | 6.963061 ± 0.003970 ° |
| Mean anomaly | 341.649978 ± 0.002574 ° |
| Orbital period | 337.07 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv7 |
| Observation file |
omc_ast_NIMAv7.txt |
| bsp file | 278361_2007JJ43_nima_v7.bsp |
| Date of first observation | 2002-05-10 |
| Date of last observation | 2019-08-07 |
| Number of observations used in the fit | 221 |
| Number of rejected observations | 4 |
| Number of DES observations | 0 |
| Number of MPC observations | 159 |
| Number of unpublished observations | 66 |
| RMS of observations | 0.208 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv7 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2019-01 | 0.023 | 0.004 |
| 2019-07 | 0.007 | 0.004 |
| 2020-01 | 0.031 | 0.004 |
| 2020-07 | 0.018 | 0.006 |
| 2021-01 | 0.042 | 0.008 |
| 2021-07 | 0.034 | 0.011 |
| 2022-01 | 0.058 | 0.013 |
| 2022-07 | 0.052 | 0.016 |
| 2023-01 | 0.076 | 0.018 |
Ephemeris comparison
Difference between NIMAv7 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.