(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 | 3.71 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2459800.5 |
| Semi major axis | 41.866845 ± 0.000610 au |
| Eccentricity | 0.030571916 ± 0.000009390 |
| Inclination | 19.216269943 ± 0.000035579 ° |
| Longitude of ascending node | 187.042890 ± 0.000056 ° |
| Argument of perihelia | 170.399119 ± 0.013040 ° |
| Mean anomaly | 351.604044 ± 0.012402 ° |
| Orbital period | 270.90 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv13 |
| Observation file |
omc_ast_NIMAv13.txt |
| bsp file | 145452_2005RN43_nima_v13.bsp |
| Date of first observation | 1954-06-02 |
| Date of last observation | 2022-11-16 |
| Number of observations used in the fit | 1170 |
| Number of rejected observations | 4 |
| Number of DES observations | 11 |
| Number of MPC observations | 1028 |
| Number of unpublished observations | 135 |
| RMS of observations | 0.230 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv13 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2023-01 | 0.030 | 0.028 |
| 2023-07 | 0.053 | 0.030 |
| 2024-01 | 0.036 | 0.031 |
| 2024-07 | 0.065 | 0.033 |
| 2025-01 | 0.044 | 0.034 |
| 2025-07 | 0.077 | 0.036 |
| 2026-01 | 0.054 | 0.037 |
| 2026-07 | 0.091 | 0.039 |
| 2027-01 | 0.066 | 0.039 |
Ephemeris comparison
Difference between NIMAv13 and JPL28 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.