(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 | 89.613191 ± 0.011700 au |
| Eccentricity | 0.608551943 ± 0.000047946 |
| Inclination | 28.819109811 ± 0.000229524 ° |
| Longitude of ascending node | 84.607442 ± 0.000587 ° |
| Argument of perihelia | 318.097584 ± 0.000810 ° |
| Mean anomaly | 6.191367 ± 0.001215 ° |
| Orbital period | 848.33 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv5 |
| Observation file |
omc_ast_NIMAv5.txt |
| bsp file | 145451_2005RM43_nima_v5.bsp |
| Date of first observation | 1976-11-17 |
| Date of last observation | 2017-12-20 |
| Number of observations used in the fit | 288 |
| Number of rejected observations | 2 |
| Number of DES observations | 0 |
| Number of MPC observations | 261 |
| Number of unpublished observations | 29 |
| RMS of observations | 0.219 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv5 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2018-01 | 0.091 | 0.069 |
| 2018-07 | 0.150 | 0.087 |
| 2019-01 | 0.125 | 0.089 |
| 2019-07 | 0.187 | 0.107 |
| 2020-01 | 0.165 | 0.113 |
| 2020-07 | 0.228 | 0.129 |
| 2021-01 | 0.210 | 0.139 |
| 2021-07 | 0.273 | 0.153 |
| 2022-01 | 0.259 | 0.167 |
Ephemeris comparison
Difference between NIMAv5 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.