(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 | 39.691578 ± 0.003105 au |
| Eccentricity | 0.022036170 ± 0.000058865 |
| Inclination | 18.107856708 ± 0.000764332 ° |
| Longitude of ascending node | 64.580927 ± 0.001412 ° |
| Argument of perihelia | 0.615445 ± 0.065215 ° |
| Mean anomaly | 183.792485 ± 0.067268 ° |
| Orbital period | 250.07 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv3 |
| Observation file |
omc_ast_NIMAv3.txt |
| bsp file | 470308_2007JH43_nima_v3.bsp |
| Date of first observation | 1984-03-07 |
| Date of last observation | 2015-07-09 |
| Number of observations used in the fit | 139 |
| Number of rejected observations | 0 |
| Number of DES observations | 0 |
| Number of MPC observations | 105 |
| Number of unpublished observations | 34 |
| RMS of observations | 0.184 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv3 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2018-01 | 0.197 | 0.108 |
| 2018-07 | 0.164 | 0.119 |
| 2019-01 | 0.250 | 0.133 |
| 2019-07 | 0.213 | 0.147 |
| 2020-01 | 0.310 | 0.160 |
| 2020-07 | 0.270 | 0.178 |
| 2021-01 | 0.377 | 0.188 |
| 2021-07 | 0.336 | 0.211 |
| 2022-01 | 0.451 | 0.218 |
Ephemeris comparison
Difference between NIMAv3 and JPL7 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.