(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 | 41.631092 ± 0.000668 au |
| Eccentricity | 0.024663844 ± 0.000010627 |
| Inclination | 19.286451659 ± 0.000075284 ° |
| Longitude of ascending node | 186.960781 ± 0.000094 ° |
| Argument of perihelia | 164.530981 ± 0.017258 ° |
| Mean anomaly | 352.751282 ± 0.016604 ° |
| Orbital period | 268.62 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv8 |
| Observation file |
omc_ast_NIMAv8.txt |
| bsp file | 145452_2005RN43_nima_v8.bsp |
| Date of first observation | 1954-06-02 |
| Date of last observation | 2019-10-02 |
| Number of observations used in the fit | 554 |
| Number of rejected observations | 4 |
| Number of DES observations | 11 |
| Number of MPC observations | 423 |
| Number of unpublished observations | 124 |
| RMS of observations | 0.205 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv8 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2019-01 | 0.030 | 0.028 |
| 2019-07 | 0.040 | 0.029 |
| 2020-01 | 0.032 | 0.031 |
| 2020-07 | 0.048 | 0.032 |
| 2021-01 | 0.036 | 0.034 |
| 2021-07 | 0.058 | 0.036 |
| 2022-01 | 0.042 | 0.038 |
| 2022-07 | 0.070 | 0.040 |
| 2023-01 | 0.051 | 0.041 |
Ephemeris comparison
Difference between NIMAv8 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.