(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) | 2459800.5 |
| Semi major axis | 48.022872 ± 0.000555 au |
| Eccentricity | 0.161076757 ± 0.000009542 |
| Inclination | 12.052038391 ± 0.000044730 ° |
| Longitude of ascending node | 272.542912 ± 0.000071 ° |
| Argument of perihelia | 9.040702 ± 0.001545 ° |
| Mean anomaly | 343.486950 ± 0.001042 ° |
| Orbital period | 332.80 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv9 |
| Observation file |
omc_ast_NIMAv9.txt |
| bsp file | 278361_2007JJ43_nima_v9.bsp |
| Date of first observation | 2002-05-10 |
| Date of last observation | 2022-05-06 |
| Number of observations used in the fit | 224 |
| Number of rejected observations | 4 |
| Number of DES observations | 0 |
| Number of MPC observations | 159 |
| Number of unpublished observations | 69 |
| RMS of observations | 0.206 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv9 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2022-01 | 0.016 | 0.011 |
| 2022-07 | 0.024 | 0.014 |
| 2023-01 | 0.027 | 0.016 |
| 2023-07 | 0.036 | 0.019 |
| 2024-01 | 0.039 | 0.020 |
| 2024-07 | 0.049 | 0.023 |
| 2025-01 | 0.052 | 0.025 |
| 2025-07 | 0.063 | 0.029 |
| 2026-01 | 0.067 | 0.030 |
Ephemeris comparison
Difference between NIMAv9 and JPL5 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.