(447178) 2005RO43
Object
| Object |
(447178) 2005RO43 |
| Diameter(1) |
194 km |
| Dynamic class(1) |
Centaur |
| Absolute magnitude |
7.17 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2460800.5 |
| Semi major axis |
29.097617 ± 0.000369 au |
| Eccentricity |
0.522838414 ± 0.000003335 |
| Inclination |
35.454372276 ± 0.000003365 ° |
| Longitude of ascending node |
198.111008 ± 0.000025 ° |
| Argument of perihelia |
326.251307 ± 0.000686 ° |
| Mean anomaly |
345.961366 ± 0.000377 ° |
| Orbital period |
156.96 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv11 |
| Observation file (documentation) |
omc_ast_NIMAv11.txt |
| bsp file |
447178_2005RO43_nima_v11.bsp |
| Date of first observation |
2004-10-08 |
| Date of last observation |
2025-03-28 |
| Number of observations used in the fit |
621 |
| Number of rejected observations |
3 |
| Number of DES observations |
0 |
| Number of MPC observations |
562 |
| Number of unpublished observations |
62 |
| RMS of observations |
0.275 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) |
| 2024-01 |
0.029 |
0.015 |
| 2024-07 |
0.039 |
0.027 |
| 2025-01 |
0.078 |
0.022 |
| 2025-07 |
0.086 |
0.028 |
| 2026-01 |
0.153 |
0.030 |
| 2026-07 |
0.155 |
0.033 |
| 2027-01 |
0.259 |
0.035 |
| 2027-07 |
0.250 |
0.042 |
| 2028-01 |
0.398 |
0.036 |
Ephemeris comparison
Difference between NIMAv11 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.
Previous NIMA versions