(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 | 7.19 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2460600.5 |
| Semi major axis | 29.046358 ± 0.000402 au |
| Eccentricity | 0.521958418 ± 0.000003568 |
| Inclination | 35.455677728 ± 0.000003681 ° |
| Longitude of ascending node | 198.090227 ± 0.000025 ° |
| Argument of perihelia | 326.282718 ± 0.000759 ° |
| Mean anomaly | 344.655490 ± 0.000439 ° |
| Orbital period | 156.55 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv10 |
| Observation file |
omc_ast_NIMAv10.txt |
| bsp file | 447178_2005RO43_nima_v10.bsp |
| Date of first observation | 2004-10-08 |
| Date of last observation | 2024-05-14 |
| Number of observations used in the fit | 550 |
| Number of rejected observations | 3 |
| Number of DES observations | 0 |
| Number of MPC observations | 491 |
| Number of unpublished observations | 62 |
| RMS of observations | 0.246 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv10 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2024-01 | 0.032 | 0.016 |
| 2024-07 | 0.043 | 0.030 |
| 2025-01 | 0.088 | 0.024 |
| 2025-07 | 0.096 | 0.031 |
| 2026-01 | 0.171 | 0.033 |
| 2026-07 | 0.173 | 0.036 |
| 2027-01 | 0.289 | 0.038 |
| 2027-07 | 0.280 | 0.045 |
| 2028-01 | 0.445 | 0.038 |
Ephemeris comparison
Difference between NIMAv10 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.