(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 | 41.631068 ± 0.000612 au |
| Eccentricity | 0.024663374 ± 0.000010056 |
| Inclination | 19.286443722 ± 0.000036936 ° |
| Longitude of ascending node | 186.960799 ± 0.000058 ° |
| Argument of perihelia | 164.531165 ± 0.014489 ° |
| Mean anomaly | 352.751084 ± 0.013915 ° |
| Orbital period | 268.62 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv11 |
| Observation file |
omc_ast_NIMAv11.txt |
| bsp file | 145452_2005RN43_nima_v11.bsp |
| Date of first observation | 1954-06-02 |
| Date of last observation | 2021-10-11 |
| Number of observations used in the fit | 1032 |
| Number of rejected observations | 4 |
| Number of DES observations | 11 |
| Number of MPC observations | 890 |
| Number of unpublished observations | 135 |
| RMS of observations | 0.208 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv11 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2021-01 | 0.026 | 0.025 |
| 2021-07 | 0.038 | 0.026 |
| 2022-01 | 0.028 | 0.027 |
| 2022-07 | 0.047 | 0.028 |
| 2023-01 | 0.033 | 0.030 |
| 2023-07 | 0.057 | 0.032 |
| 2024-01 | 0.039 | 0.033 |
| 2024-07 | 0.068 | 0.035 |
| 2025-01 | 0.048 | 0.036 |
Ephemeris comparison
Difference between NIMAv11 and JPL20 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.