(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 | 89.612343 ± 0.008708 au |
| Eccentricity | 0.608548409 ± 0.000035559 |
| Inclination | 28.819119806 ± 0.000155707 ° |
| Longitude of ascending node | 84.607425 ± 0.000413 ° |
| Argument of perihelia | 318.097801 ± 0.000780 ° |
| Mean anomaly | 6.191416 ± 0.000945 ° |
| Orbital period | 848.32 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv6 |
| Observation file |
omc_ast_NIMAv6.txt |
| bsp file | 145451_2005RM43_nima_v6.bsp |
| Date of first observation | 1976-11-17 |
| Date of last observation | 2018-12-07 |
| Number of observations used in the fit | 301 |
| Number of rejected observations | 2 |
| Number of DES observations | 0 |
| Number of MPC observations | 261 |
| Number of unpublished observations | 42 |
| RMS of observations | 0.214 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv6 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2018-01 | 0.058 | 0.051 |
| 2018-07 | 0.091 | 0.060 |
| 2019-01 | 0.077 | 0.063 |
| 2019-07 | 0.113 | 0.073 |
| 2020-01 | 0.100 | 0.077 |
| 2020-07 | 0.138 | 0.087 |
| 2021-01 | 0.127 | 0.093 |
| 2021-07 | 0.166 | 0.101 |
| 2022-01 | 0.157 | 0.111 |
Ephemeris comparison
Difference between NIMAv6 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.