(145451) 2005RM43
This object has a more recent orbit available here
Object
| Object | (145451) 2005RM43 |
| Diameter(1) | 584 km |
| Dynamic class(1) | SDO |
| Absolute magnitude | 4.40 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2458600.5 |
| Semi major axis | 89.612317 ± 0.003579 au |
| Eccentricity | 0.608548250 ± 0.000014561 |
| Inclination | 28.819161565 ± 0.000067166 ° |
| Longitude of ascending node | 84.607374 ± 0.000157 ° |
| Argument of perihelia | 318.097977 ± 0.000473 ° |
| Mean anomaly | 6.191393 ± 0.000412 ° |
| Orbital period | 848.32 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv9 |
| Observation file |
omc_ast_NIMAv9.txt |
| bsp file | 145451_2005RM43_nima_v9.bsp |
| Date of first observation | 1976-11-17 |
| Date of last observation | 2020-01-28 |
| Number of observations used in the fit | 319 |
| Number of rejected observations | 3 |
| Number of DES observations | 0 |
| Number of MPC observations | 277 |
| Number of unpublished observations | 45 |
| RMS of observations | 0.222 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv9 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2020-01 | 0.010 | 0.008 |
| 2020-07 | 0.025 | 0.013 |
| 2021-01 | 0.020 | 0.015 |
| 2021-07 | 0.035 | 0.019 |
| 2022-01 | 0.031 | 0.023 |
| 2022-07 | 0.046 | 0.026 |
| 2023-01 | 0.044 | 0.030 |
| 2023-07 | 0.058 | 0.034 |
| 2024-01 | 0.057 | 0.039 |
Ephemeris comparison
Difference between NIMAv9 and JPL14 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.