(278361) 2007JJ43
Object
| Object |
(278361) 2007JJ43 |
| Diameter(1) |
558 km |
| Dynamic class(1) |
otherTNO |
| Absolute magnitude |
4.49 |
| G slop |
0.15 |
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 (documentation) |
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| Number of unpublished observations |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.
Previous NIMA versions