(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 | 39.437461 ± 0.001097 au |
| Eccentricity | 0.029221646 ± 0.000021501 |
| Inclination | 18.177991554 ± 0.000031099 ° |
| Longitude of ascending node | 64.614080 ± 0.000017 ° |
| Argument of perihelia | 354.075975 ± 0.010132 ° |
| Mean anomaly | 197.124465 ± 0.010511 ° |
| Orbital period | 247.67 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv8 |
| Observation file |
omc_ast_NIMAv8.txt |
| bsp file | 470308_2007JH43_nima_v8.bsp |
| Date of first observation | 1984-03-07 |
| Date of last observation | 2023-04-19 |
| Number of observations used in the fit | 288 |
| Number of rejected observations | 0 |
| Number of DES observations | 0 |
| Number of MPC observations | 242 |
| Number of unpublished observations | 46 |
| RMS of observations | 0.145 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv8 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2022-01 | 0.017 | 0.013 |
| 2022-07 | 0.047 | 0.014 |
| 2023-01 | 0.017 | 0.014 |
| 2023-07 | 0.047 | 0.015 |
| 2024-01 | 0.018 | 0.015 |
| 2024-07 | 0.045 | 0.016 |
| 2025-01 | 0.021 | 0.017 |
| 2025-07 | 0.045 | 0.019 |
| 2026-01 | 0.028 | 0.020 |
Ephemeris comparison
Difference between NIMAv8 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.