(145452) 2005RN43
This object has a more recent orbit available here
Object
| Object | (145452) 2005RN43 |
| Diameter(1) | 679 km |
| Dynamic class(1) | cubewano |
| Absolute magnitude | 3.70 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2458600.5 |
| Semi major axis | 41.631117 ± 0.000767 au |
| Eccentricity | 0.024664241 ± 0.000011890 |
| Inclination | 19.286446322 ± 0.000080646 ° |
| Longitude of ascending node | 186.960792 ± 0.000128 ° |
| Argument of perihelia | 164.530345 ± 0.020806 ° |
| Mean anomaly | 352.751883 ± 0.020023 ° |
| Orbital period | 268.62 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv6 |
| Observation file |
omc_ast_NIMAv6.txt |
| bsp file | 145452_2005RN43_nima_v6.bsp |
| Date of first observation | 1954-06-02 |
| Date of last observation | 2018-10-10 |
| Number of observations used in the fit | 438 |
| Number of rejected observations | 4 |
| Number of DES observations | 11 |
| Number of MPC observations | 358 |
| Number of unpublished observations | 73 |
| RMS of observations | 0.165 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv6 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2018-01 | 0.034 | 0.034 |
| 2018-07 | 0.054 | 0.036 |
| 2019-01 | 0.039 | 0.038 |
| 2019-07 | 0.065 | 0.041 |
| 2020-01 | 0.046 | 0.042 |
| 2020-07 | 0.079 | 0.045 |
| 2021-01 | 0.055 | 0.046 |
| 2021-07 | 0.093 | 0.050 |
| 2022-01 | 0.067 | 0.050 |
Ephemeris comparison
Difference between NIMAv6 and JPL10 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.