(145451) 2005RM43
This object has a more recent orbit available here
Object
| Object | (145451) 2005RM43 |
| Diameter(1) | 524 km |
| Dynamic class(1) | SDO |
| Absolute magnitude | 4.60 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2460600.5 |
| Semi major axis | 92.485964 ± 0.003589 au |
| Eccentricity | 0.620151090 ± 0.000013690 |
| Inclination | 28.699555827 ± 0.000029674 ° |
| Longitude of ascending node | 84.629392 ± 0.000014 ° |
| Argument of perihelia | 318.589706 ± 0.000372 ° |
| Mean anomaly | 8.006435 ± 0.000494 ° |
| Orbital period | 889.45 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv12 |
| Observation file |
omc_ast_NIMAv12.txt |
| bsp file | 145451_2005RM43_nima_v12.bsp |
| Date of first observation | 1976-11-17 |
| Date of last observation | 2024-03-29 |
| Number of observations used in the fit | 527 |
| Number of rejected observations | 3 |
| Number of DES observations | 0 |
| Number of MPC observations | 485 |
| Number of unpublished observations | 45 |
| RMS of observations | 0.195 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv12 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2024-01 | 0.052 | 0.035 |
| 2024-07 | 0.064 | 0.037 |
| 2025-01 | 0.066 | 0.043 |
| 2025-07 | 0.077 | 0.044 |
| 2026-01 | 0.080 | 0.050 |
| 2026-07 | 0.091 | 0.051 |
| 2027-01 | 0.096 | 0.058 |
| 2027-07 | 0.106 | 0.058 |
| 2028-01 | 0.112 | 0.066 |
Ephemeris comparison
Difference between NIMAv12 and JPL25 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.