(447178) 2005RO43
This object has a more recent orbit available here
Object
| Object | (447178) 2005RO43 |
| Diameter(1) | 194 km |
| Dynamic class(1) | Centaur |
| Absolute magnitude | 7.24 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2459800.5 |
| Semi major axis | 28.792968 ± 0.000737 au |
| Eccentricity | 0.518293443 ± 0.000005992 |
| Inclination | 35.456499413 ± 0.000020100 ° |
| Longitude of ascending node | 198.070915 ± 0.000046 ° |
| Argument of perihelia | 326.625378 ± 0.001483 ° |
| Mean anomaly | 339.241778 ± 0.001012 ° |
| Orbital period | 154.50 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv7 |
| Observation file |
omc_ast_NIMAv7.txt |
| bsp file | 447178_2005RO43_nima_v7.bsp |
| Date of first observation | 2004-10-08 |
| Date of last observation | 2023-03-16 |
| Number of observations used in the fit | 472 |
| Number of rejected observations | 3 |
| Number of DES observations | 0 |
| Number of MPC observations | 445 |
| Number of unpublished observations | 30 |
| RMS of observations | 0.223 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv7 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2023-01 | 0.099 | 0.068 |
| 2023-07 | 0.121 | 0.080 |
| 2024-01 | 0.180 | 0.083 |
| 2024-07 | 0.204 | 0.086 |
| 2025-01 | 0.311 | 0.100 |
| 2025-07 | 0.328 | 0.094 |
| 2026-01 | 0.502 | 0.115 |
| 2026-07 | 0.503 | 0.104 |
| 2027-01 | 0.763 | 0.123 |
Ephemeris comparison
Difference between NIMAv7 and JPL19 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.