(678191) 2017OF69
Object
| Object |
(678191) 2017OF69 |
| Diameter(1) |
655 km |
| Dynamic class(1) |
plutino |
| Absolute magnitude |
4.43 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2460600.5 |
| Semi major axis |
39.466959 ± 0.001814 au |
| Eccentricity |
0.214166662 ± 0.000015608 |
| Inclination |
13.656411474 ± 0.000009488 ° |
| Longitude of ascending node |
218.872653 ± 0.000586 ° |
| Argument of perihelia |
215.754087 ± 0.010819 ° |
| Mean anomaly |
258.851643 ± 0.013596 ° |
| Orbital period |
247.95 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv10 |
| Observation file (documentation) |
omc_ast_NIMAv10.txt |
| bsp file |
678191_2017OF69_nima_v10.bsp |
| Date of first observation |
2012-06-10 |
| Date of last observation |
2024-07-09 |
| Number of observations used in the fit |
345 |
| Number of rejected observations |
0 |
| Number of DES observations |
0 |
| Number of MPC observations |
314 |
| Number of unpublished observations |
31 |
| RMS of observations |
0.119 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 |
0.069 |
0.052 |
| 2024-07 |
0.074 |
0.053 |
| 2025-01 |
0.097 |
0.063 |
| 2025-07 |
0.104 |
0.065 |
| 2026-01 |
0.130 |
0.075 |
| 2026-07 |
0.142 |
0.078 |
| 2027-01 |
0.168 |
0.088 |
| 2027-07 |
0.185 |
0.093 |
| 2028-01 |
0.211 |
0.102 |
Ephemeris comparison
Difference between NIMAv10 and JPL35 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.