(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 | 41.631154 ± 0.000687 au |
| Eccentricity | 0.024664730 ± 0.000010865 |
| Inclination | 19.286446958 ± 0.000078245 ° |
| Longitude of ascending node | 186.960791 ± 0.000109 ° |
| Argument of perihelia | 164.529175 ± 0.018067 ° |
| Mean anomaly | 352.753004 ± 0.017382 ° |
| Orbital period | 268.62 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv7 |
| Observation file |
omc_ast_NIMAv7.txt |
| bsp file | 145452_2005RN43_nima_v7.bsp |
| Date of first observation | 1954-06-02 |
| Date of last observation | 2019-07-03 |
| Number of observations used in the fit | 486 |
| Number of rejected observations | 4 |
| Number of DES observations | 11 |
| Number of MPC observations | 394 |
| Number of unpublished observations | 85 |
| RMS of observations | 0.210 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) |
| 2019-01 | 0.035 | 0.034 |
| 2019-07 | 0.050 | 0.035 |
| 2020-01 | 0.039 | 0.037 |
| 2020-07 | 0.060 | 0.039 |
| 2021-01 | 0.045 | 0.041 |
| 2021-07 | 0.071 | 0.044 |
| 2022-01 | 0.053 | 0.045 |
| 2022-07 | 0.085 | 0.048 |
| 2023-01 | 0.064 | 0.049 |
Ephemeris comparison
Difference between NIMAv7 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.