(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 | 4.49 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2460400.5 |
| Semi major axis | 47.763113 ± 0.000307 au |
| Eccentricity | 0.156361944 ± 0.000004148 |
| Inclination | 12.081197847 ± 0.000015636 ° |
| Longitude of ascending node | 272.511202 ± 0.000022 ° |
| Argument of perihelia | 9.145791 ± 0.001331 ° |
| Mean anomaly | 345.055247 ± 0.001025 ° |
| Orbital period | 330.10 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv10 |
| Observation file |
omc_ast_NIMAv10.txt |
| bsp file | 278361_2007JJ43_nima_v10.bsp |
| Date of first observation | 2002-05-10 |
| Date of last observation | 2023-07-01 |
| Number of observations used in the fit | 229 |
| Number of rejected observations | 6 |
| Number of DES observations | 0 |
| Number of MPC observations | 163 |
| Number of unpublished observations | 72 |
| RMS of observations | 0.209 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv10 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2024-01 | 0.007 | 0.005 |
| 2024-07 | 0.007 | 0.006 |
| 2025-01 | 0.010 | 0.007 |
| 2025-07 | 0.010 | 0.008 |
| 2026-01 | 0.013 | 0.008 |
| 2026-07 | 0.014 | 0.009 |
| 2027-01 | 0.017 | 0.009 |
| 2027-07 | 0.019 | 0.011 |
| 2028-01 | 0.022 | 0.011 |
Ephemeris comparison
Difference between NIMAv10 and JPL6 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.