(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 | 89.613015 ± 0.002452 au |
| Eccentricity | 0.608551067 ± 0.000010003 |
| Inclination | 28.819165359 ± 0.000059779 ° |
| Longitude of ascending node | 84.607370 ± 0.000112 ° |
| Argument of perihelia | 318.098024 ± 0.000395 ° |
| Mean anomaly | 6.191312 ± 0.000283 ° |
| Orbital period | 848.33 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv8 |
| Observation file |
omc_ast_NIMAv8.txt |
| bsp file | 145451_2005RM43_nima_v8.bsp |
| Date of first observation | 1976-11-17 |
| Date of last observation | 2019-02-03 |
| Number of observations used in the fit | 303 |
| Number of rejected observations | 2 |
| Number of DES observations | 0 |
| Number of MPC observations | 261 |
| Number of unpublished observations | 44 |
| RMS of observations | 0.214 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 | 0.004 | 0.004 |
| 2019-07 | 0.015 | 0.006 |
| 2020-01 | 0.010 | 0.007 |
| 2020-07 | 0.022 | 0.011 |
| 2021-01 | 0.020 | 0.014 |
| 2021-07 | 0.031 | 0.017 |
| 2022-01 | 0.030 | 0.021 |
| 2022-07 | 0.041 | 0.024 |
| 2023-01 | 0.042 | 0.028 |
Ephemeris comparison
Difference between NIMAv8 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.