(470308) 2007JH43
This object has a more recent orbit available here
Object
| Object | (470308) 2007JH43 |
| Diameter(1) | 527 km |
| Dynamic class(1) | plutino |
| Absolute magnitude | 4.82 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2460600.5 |
| Semi major axis | 39.265626 ± 0.000806 au |
| Eccentricity | 0.032967746 ± 0.000015946 |
| Inclination | 18.206292067 ± 0.000026930 ° |
| Longitude of ascending node | 64.632039 ± 0.000017 ° |
| Argument of perihelia | 0.123557 ± 0.008238 ° |
| Mean anomaly | 193.994030 ± 0.008927 ° |
| Orbital period | 246.05 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv9 |
| Observation file |
omc_ast_NIMAv9.txt |
| bsp file | 470308_2007JH43_nima_v9.bsp |
| Date of first observation | 1984-03-07 |
| Date of last observation | 2024-06-02 |
| Number of observations used in the fit | 290 |
| Number of rejected observations | 2 |
| Number of DES observations | 0 |
| Number of MPC observations | 242 |
| Number of unpublished observations | 50 |
| RMS of observations | 0.145 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) |
| 2024-01 | 0.010 | 0.010 |
| 2024-07 | 0.025 | 0.011 |
| 2025-01 | 0.014 | 0.011 |
| 2025-07 | 0.023 | 0.013 |
| 2026-01 | 0.021 | 0.013 |
| 2026-07 | 0.024 | 0.016 |
| 2027-01 | 0.031 | 0.017 |
| 2027-07 | 0.030 | 0.021 |
| 2028-01 | 0.043 | 0.020 |
Ephemeris comparison
Difference between NIMAv9 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.