(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 | 4.82 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2459800.5 |
| Semi major axis | 39.436616 ± 0.001471 au |
| Eccentricity | 0.029238120 ± 0.000028750 |
| Inclination | 18.177929387 ± 0.000079910 ° |
| Longitude of ascending node | 64.614088 ± 0.000020 ° |
| Argument of perihelia | 354.069170 ± 0.014148 ° |
| Mean anomaly | 197.132217 ± 0.015276 ° |
| Orbital period | 247.66 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv7 |
| Observation file |
omc_ast_NIMAv7.txt |
| bsp file | 470308_2007JH43_nima_v7.bsp |
| Date of first observation | 1984-03-07 |
| Date of last observation | 2021-09-05 |
| Number of observations used in the fit | 286 |
| Number of rejected observations | 0 |
| Number of DES observations | 0 |
| Number of MPC observations | 242 |
| Number of unpublished observations | 44 |
| RMS of observations | 0.144 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv7 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2022-01 | 0.088 | 0.059 |
| 2022-07 | 0.076 | 0.066 |
| 2023-01 | 0.106 | 0.067 |
| 2023-07 | 0.092 | 0.075 |
| 2024-01 | 0.127 | 0.076 |
| 2024-07 | 0.112 | 0.085 |
| 2025-01 | 0.151 | 0.085 |
| 2025-07 | 0.135 | 0.096 |
| 2026-01 | 0.177 | 0.095 |
Ephemeris comparison
Difference between NIMAv7 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.