(470308) 2007JH43
This object has a more recent orbit available here
Object
| Object | (470308) 2007JH43 |
| 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) | 2458200.5 |
| Semi major axis | 39.692593 ± 0.001523 au |
| Eccentricity | 0.022016306 ± 0.000029613 |
| Inclination | 18.107863884 ± 0.000289433 ° |
| Longitude of ascending node | 64.580927 ± 0.000646 ° |
| Argument of perihelia | 0.617777 ± 0.021065 ° |
| Mean anomaly | 183.789906 ± 0.021749 ° |
| Orbital period | 250.08 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv5 |
| Observation file |
omc_ast_NIMAv5.txt |
| bsp file | 470308_2007JH43_nima_v5.bsp |
| Date of first observation | 1984-03-07 |
| Date of last observation | 2021-06-17 |
| Number of observations used in the fit | 285 |
| Number of rejected observations | 0 |
| Number of DES observations | 0 |
| Number of MPC observations | 242 |
| Number of unpublished observations | 43 |
| RMS of observations | 0.144 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv5 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2021-01 | 0.075 | 0.057 |
| 2021-07 | 0.073 | 0.063 |
| 2022-01 | 0.091 | 0.065 |
| 2022-07 | 0.085 | 0.072 |
| 2023-01 | 0.110 | 0.074 |
| 2023-07 | 0.100 | 0.082 |
| 2024-01 | 0.131 | 0.083 |
| 2024-07 | 0.119 | 0.093 |
| 2025-01 | 0.155 | 0.092 |
Ephemeris comparison
Difference between NIMAv5 and JPL9 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.