(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 | 4.61 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2459800.5 |
| Semi major axis | 91.603570 ± 0.003540 au |
| Eccentricity | 0.617165919 ± 0.000013731 |
| Inclination | 28.754314982 ± 0.000029734 ° |
| Longitude of ascending node | 84.623357 ± 0.000014 ° |
| Argument of perihelia | 318.153091 ± 0.000377 ° |
| Mean anomaly | 7.306601 ± 0.000454 ° |
| Orbital period | 876.75 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv11 |
| Observation file |
omc_ast_NIMAv11.txt |
| bsp file | 145451_2005RM43_nima_v11.bsp |
| Date of first observation | 1976-11-17 |
| Date of last observation | 2023-01-24 |
| Number of observations used in the fit | 501 |
| Number of rejected observations | 3 |
| Number of DES observations | 0 |
| Number of MPC observations | 459 |
| Number of unpublished observations | 45 |
| RMS of observations | 0.199 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv11 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2023-01 | 0.040 | 0.028 |
| 2023-07 | 0.053 | 0.031 |
| 2024-01 | 0.053 | 0.035 |
| 2024-07 | 0.065 | 0.037 |
| 2025-01 | 0.066 | 0.043 |
| 2025-07 | 0.078 | 0.044 |
| 2026-01 | 0.081 | 0.051 |
| 2026-07 | 0.093 | 0.052 |
| 2027-01 | 0.096 | 0.059 |
Ephemeris comparison
Difference between NIMAv11 and JPL21 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.