(447178) 2005RO43
Object
| Object |
(447178) 2005RO43 |
| Diameter(1) |
194 km |
| Dynamic class(1) |
Centaur |
| Absolute magnitude |
7.19 |
| G slop |
0.15 |
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 (documentation) |
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| Number of unpublished observations |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.
Previous NIMA versions